Document Document Title
US10820181B2 Emergency location analysis system
Described herein are systems, servers, devices, methods, and media for validating, improving, and predicting emergency locations. In some embodiments, disclosed herein is a method for validating a reported location associated with an emergency request comprises: detecting an emergency request from a first device; identifying a reported location associated with the emergency request; identifying one or more attributes associated with the emergency request; determining a location accuracy metric for the emergency request using the one or more attributes; comparing the location accuracy metric to a first accuracy threshold, wherein the reported location is converted to a validated location when the location accuracy metric meets the first accuracy threshold; and, in response to the location accuracy metric meeting the first accuracy threshold, providing the validated location to one or more recipients comprising a public safety answering point (PSAP).
US10820180B2 Apparatus and method of determining a status using RFID tag devices
Methods and apparatuses are provided using RFID devices to assist in determining an open status of a container. For example, a first RFID tag is fixed to a first portion of the container and a second RFID tag is fixed to a second portion of the container. Upon a user action to at least partially open the container, the first and second portions will move relative to each other, such that one or more of the RFID tags will no longer be readable by a receiver circuit proximate the container or will now be readable by the receiver circuit. The reading or cessation of reading of one or more RFID tags indicates at least one open status of the container. In some embodiments, the open status is at least one of an unsealing confirmation, an open motion initiation status, an open motion confirmation, a partial open status and a fully open status.
US10820173B2 System and method for microlocation sensor communication
A system and a method to wirelessly synchronize, monitor, or communicate, or a combination thereof, amongst sensors (e.g., sensors, hubs, sensor controllers, etc.) in a Bluetooth Low Energy-based microlocation system. The system or method, or both, may use the BLE hardware (e.g., transmitters, receivers, antennas, etc.) to interleave a communications protocol within the connection interval gaps of the BLE protocol used to communicate with devices.
US10820169B2 Methods and systems for social networking with autonomous mobile agents
Exemplary methods and systems are presented for social networking applications using autonomous mobile agents. Communication links are established based on geographic proximity and distance described as a domain in which resident agents are detected and identified. The communication links thus established allow platform independent communication along communication channels that are dynamically derived. Incorporation of computer machines and feature data sets (including attractiveness data) permit agent classification and inter-agent notification of classification results.
US10820167B2 Systems and methods for automated content sharing with a peer
Systems, methods, and non-transitory computer readable media can detect, by a first computing system, a second computing system that is capable of communicating with the first computing system based on a local area communication protocol. It can be determined, by the first computing system, that the second computing system is in an offline mode in relation to a system. It can be determined, by the first computing system, whether a content item is on the second computing system. The content item can be sent, by the first computing system, to the second computing system based on the local area communication protocol, in response to determining that the content item is not on the second computing system.
US10820157B2 System and method for collocation detection
Systems and methods are disclosed for collocation detection. In accordance with one implementation, a method is provided for collocation detection. The method includes obtaining a first object observation that includes a first object identifier, a first observation time, and a first observation location. The method also includes obtaining a second object observation that includes a second object identifier, a second observation time, and a second observation location. In addition, the method includes associating the first observation with a first area on a map, associating the second observation with a second area on the map, and determining whether a potential meeting occurred between objects associated with the first object identifier and the second object identifier based on the first and second observation times, and the first and second areas.
US10820156B2 Techniques for providing location-based health alerts based on biological indicators
Certain aspects of the present disclosure generally relate to providing location-based health alerts based on biological indicators. In some aspects, a server may receive information that identifies a location associated with a mobile device. The server may determine a venue associated with the location. The server may identify health information associated with the venue. The health information may be based on data previously received in association with the venue. The server may provide a health alert based on the health information.
US10820154B2 Location-based home screen customization
Systems, methods, and computer program products to perform an operation comprising identifying at least one rule for a home screen of a mobile device, wherein the at least one rule is determined based on a current location of a mobile device, identifying a modification for a first object displayed on the home screen of the mobile device, wherein the modification is associated with the at least one rule and the current location of the mobile device, applying the modification to the first object, and outputting the home screen on the mobile device, wherein the outputted home screen includes the modified first object.
US10820151B2 System and method for compressing high fidelity motion data for transmission over a limited bandwidth network
A system, method, and apparatus for compressing and transmitting motion data. The method comprises receiving high fidelity motion data from a motion sensing device, the high fidelity motion data including a plurality of motion data samples; transmitting the high fidelity motion data to a server; compressing the high fidelity motion data, wherein compressing the high fidelity motion data comprises identifying a subset of the motion data samples and generating a value representing the summary of activity based on the subset of the motion data samples; and transmitting the compressed high fidelity motion data to a server.
US10820147B2 Mobile wireless device providing off-line and on-line geographic navigation information
A mobile device, wireless network and their method of operation provide both on-line (connected) navigation operation, as well as off-line navigation from a local database within the mobile device. Routing according to the navigation system can be controlled by traffic congestion measurements made by the wireless network that allow the navigation system to select the optimum route based on expected trip duration.
US10820145B2 Systems and methods for deploying dynamic geo-fences based on content consumption levels in a geographic location
Systems and methods are provided for determining in real-time geographic areas having a threshold level of content consumption and deploying dynamic geo-fences to contain these geographic areas. These dynamic geo-fences provide a means for timing message notifications in order to optimize the chances of delivering targeted content to a mobile device user based on the current geographic location of the user's device relative to a threshold level of content consumption area. As mobile device users may be more likely to launch a client application in a place where other users are currently consuming content, a general message notification sent to the user's device located in a dynamic geo-fence created based on real-time content consumption, may increase the likelihood that the user will launch the client application and thereby, allow targeted content to be delivered to the user's mobile device.
US10820144B1 Message distribution service
A computer-implemented method of distributing location-based message contents over a messaging system and that are displayable on consumer devices present at associated locations. The method comprises, for each message of a set of messages, obtaining a message content, defining for the message a multiplicity of message locations, and adding the message content and the defined locations to a message distribution database or set of linked databases that is or are searchable by location. The method further comprises receiving from a consumer device a consumer update request including a location of the consumer device or a consumer defined location, searching the database using the consumer device location or consumer defined location to identify, for each of one or more of said messages, a single message location that is within a first predefined range of the consumer device location or consumer defined location and/or that is closest to the consumer location or consumer defined location, and sending the identified message location(s) to the consumer device.
US10820143B2 Rule deviation configuration for offender monitoring devices
According to aspects of this disclosure, a monitored person, via an end-user computing device, may generate a rule deviation request and send the rule deviation request to the computing system of the supervising agency. Based on the received request, the computing system may, upon receiving an indication that the request is authorized, determine a reconfigured rule and enforce the reconfigured rule. In some instances, the computing system may be configured to suppress an alert that would have been generated based on an activity prohibited by initial rule but that is permitted by the reconfigured rule. The reconfigured rule may remain in effect for a duration specified by the request. In this way, the techniques may increase the efficiency with which rule deviation requests are processed and enforced.
US10820141B2 Method and apparatus for presenting privacy-respectful and personalized location-based comments based on passenger context and vehicle proximity to the location
An approach is provided for presenting privacy-respectful and personalized location-based comments based on passenger context and vehicle proximity to the location. The approach involves identifying a user, a location, and/or a context of a vehicle. The approach also involves determining a privacy level set by the user and/or associated with the context. The approach further involves generating a personalized comment related to the location based on the privacy level, wherein the personalized comment includes privacy-sensitive data associated with the user. The approach further involves triggering a presentation of the personalized comment in a user interface of the vehicle and/or a device based on a proximity of the vehicle to the location.
US10820139B2 Registrar mapping toolkit for geofences
Systems and methods for creating a database of geofences and registering geofences, with each geofence in the database being associated with an IP address, preferably an IPv6 address. Each geofence is defined using at least one geographic designator, preferably real property boundaries. Entitlements can be associated with geofences relating to permissive and prohibitive activities within the geofences.
US10820134B2 Near-field binaural rendering
The method and apparatus described herein make use of multiple sets of head related transfer functions (HRTFs) that have been synthesized or measured at various distances from a reference head, spanning from the near-field to the boundary of the far-field. Additional synthetic or measured transfer functions maybe used to extend to the interior of the head, i.e., for distances closer than near-field. In addition, the relative distance-related gains of each set of HRTFs are normalized to the far-field HRTF gains.
US10820129B1 System and method for performing automatic sweet spot calibration for beamforming loudspeakers
A system including an audio source configured to transmit a first stimulus signal to one of a first beamforming loudspeaker assembly and a second beamforming loudspeaker assembly to play back an audio output and to receive the audio output from the one of the first beamforming loudspeaker assembly and the second beamforming loudspeaker assembly. The audio source is configured to determine a first distance between a first beamforming loudspeaker assembly and a second beamforming loudspeaker assembly and to determine a second distance between the audio source and the first beamforming loudspeaker assembly. The audio source is configured to determine a third distance between the audio source and the second beamforming loudspeaker assembly and to determine a location for transmitting the audio output from each of the first beamforming loudspeaker assembly and the second beamforming loudspeaker assembly based at least on the first distance, the second distance, and the third distance.
US10820127B2 Dome for use with a receiver assembly , assembly , rceive module, hearing device and a method of connecting a dome
The present invention relates to a dome (10) for use with a receiver assembly (20). The dome (10) comprises a core (12) and a shell (14), wherein the core (12) and the shell (14) are made of different materials, the material of the core (12) is rigid and the material of the shell (14) is soft, and wherein the dome (10) is connectable to the receiver assembly (20) by means of a threaded connection (34). Therefore, connecting and separating the dome (10) to and from the receiver assembly (20) can be simplified in a secure and easy operation performed by the user.
US10820126B2 Hearing device with a microphone structure
A hearing aid device comprising a microphone, a processing unit and a receiver for compensating for a hearing loss in the auditory system of a human is disclosed. The hearing aid device is configured with a microphone inlet assembly which is optimized with regards to maintenance of the hearing aid and improved sound performance. That is, the microphone inlet assembly comprises an inlet element attached to a PCB and further configured to connect with a sound inlet structure.
US10820123B2 Antenna for a hearing assistance device
A hearing assistance device including a housing component (12) including a transceiver (68) and processing circuitry arranged in a compact block structure (50), a small feed loop (40) mounted on the compact block structure (50) and electrically connected to the transceiver (68), and an antenna element (30, 80) contained within a housing component (12). The small feed loop (40) and the antenna element (30, 80) are provided as metallic band elements, and the band elements in an area of electromagnetic coupling are arranged in substantially parallel planes.
US10820121B2 Hearing device or system adapted for navigation
A hearing system comprises a hearing device, e.g. a hearing aid, and is adapted for being worn by a user, the hearing system comprising a) an audio input unit configured to receive a multitude of audio signals comprising sound from a number of localized sound sources in an environment around the user, and b) a sensor unit configured to receive and/or provide sensor signals from one or more sensors, said one or more sensors being located in said environment and/or form part of said hearing system, and c) a first processor configured to generate and update over time data representative of a map of said environment of the user, said data being termed map data, said environment comprising a number of, stationary or mobile, landmarks, said landmarks comprising said number of localized sound sources, and said map data being representative of the physical location of said landmarks in the environment relative to the user, wherein the hearing system is configured to, preferably continuously, generate and update over time said map data based on said audio signals and said sensor signals. The invention further comprises a method.
US10820117B2 Systems and methods for generating damped electromagnetically actuated planar motion for audio-frequency vibrations
A vibration module for applying vibrational tractions to a wearer's skin is presented. Use of the vibration module in headphones is illustrated for providing tactile sensations of low frequency for music, for massage, and for electrical recording and stimulation of the wearer. Damped, planar, electromagnetically-actuated vibration modules of the moving magnet type are presented in theory and reduced to practice, and shown to provide a substantially uniform frequency response over the range 40-200 Hz with a minimum of unwanted audio.
US10820114B2 Speaker
A speaker is provided. The speaker includes: an electrical connector and a voice coil. The electrical connector includes an elastic arm spaced apart from the voice coil and joint portions extending from two opposite sides of the elastic arm while being bent towards the voice coil. The joint portions are supported at a side of the voice coil facing away from the diaphragm. Each of the joint portions is provided with a binder portion configured to fix the voice coil to the joint portion. The voice coil includes an outer side surface close to the elastic arm and an inner side surface opposite to the outer side surface. The binder portion is provided at two sides of the voice coil and is bonded with the inner side surface and the outer side surface.
US10820111B2 Acoustic membrane for a loudspeaker and corresponding loudspeaker
A circular acoustic membrane having an upper surface and an opposite lower surface, said membrane being intended to be coupled, at the lower surface thereof, to a mobile winding via a support. The membrane has an annular fold concentrically delimiting, in the membrane, a circular central portion and an annular peripheral portion. In addition, the central portion has a concavity turned towards the upper surface and the internal edge of the fold is carried by the lower surface and comprises an attachment surface intended for the coupling of said support of the coil.
US10820110B2 Apparatus, system and method for automated speaker assembly
A speaker and like manufactured item manufacturing system, apparatus and method for aligning speaker components regardless of feature size to a common centering datum for placement. A speaker motor assembly may be aligned based on datum of a basket/washer subassembly, wherein remaining components are coupled, aligned and adhered according to the same datum, thus increasing concentricity, alignment, and orthogonality among components and installations. Speaker suspension components may likewise be coupled using the same datum. Specialized alignment mechanisms, such as a centering collet and a mechanical gripper, may be also be provided to align speaker components for placement and adhesion, and adhesives may be robotically controlled based on the aforementioned datum.
US10820108B2 Speaker
A speaker is provided. The speaker includes: an electrical connector and a voice coil. The electrical connector includes an elastic arm and a connection portion. The voice coil includes an outer side surface close to the elastic arm and an inner side surface opposite to the outer side surface, each of the joint portions includes a body portion supported at a side of the voice coil facing away from the diaphragm, a first extension portion formed by extending from the body portion and being opposite to the inner side surface, and a second extension portion formed by extending from the body portion and being opposite to the outer side surface, the first extension portion and the second extension portion are spaced apart to form a receiving groove, and the voice coil is sandwiched and fixed in the receiving groove.
US10820102B1 Vehicle and method of controlling the same
A vehicle and a method of controlling the vehicle are provided. The vehicle may include: a first subwoofer provided at a driver's seat side of the vehicle and having a first resonance frequency; a second subwoofer provided on a passenger seat side of the vehicle and having a second resonance frequency; and a controller configured to transmit an electrical signal corresponding to a play sound to the first subwoofer, to invert a phase of the electrical signal, and to transmit the inverted electrical signal to the second subwoofer.
US10820100B2 Methods and apparatus for limiting the excursion of a transducer
Embodiments described herein relate to methods and apparatus for limiting the excursion of a transducer. The method comprises receiving a transducer signal; and limiting the transducer signal or a signal derived therefrom to generate a limited transducer signal for input into the transducer such that an electrical response caused by the limited transducer signal in an electrical model of the transducer would be less than a threshold electrical response, wherein the threshold electrical response has been determined by: inputting a stimulus input signal into the electrical model of the transducer, wherein the stimulus input signal is designed to cause the transducer to reach a maximum excursion; and determining the threshold electrical response as a maximum of the electrical response caused by the stimulus input signal in the electrical model of the transducer.
US10820095B2 Audio codec circuit capable of avoiding pop-noise
An audio codec circuit includes: an audio processing circuit; an output driver circuit for generating an analog output signal based on the output of the audio processing circuit; an analog signal pin for outputting the analog output signal to an active amplifier; a multifunction signal pin for providing different signal transmission functionalities according to the configuration of the audio processing circuit; at least one de-pop switch arranged between the analog signal pin and a first fixed-voltage terminal or between the multifunction signal pin and a second fixed-voltage terminal; and a de-pop switch control circuit, coupled with the audio processing circuit and the at least one de-pop switch, arranged to operably control the at least one de-pop switch based on the instruction from the audio processing circuit.
US10820092B2 Audio output apparatus capable of outputting multi channel audio and display apparatus applying the same
According to an exemplary embodiment, a display apparatus includes: a display device configured to display a video data; and a plurality of integrated speakers configured to output a plurality of audio signals in a low-pitched tone band and a middle and high-pitched tone band. The plurality of integrated speakers may each include: a woofer speaker configured to output a first audio signal of the audio signals in the low-pitched tone band; and at least one front speaker which is adjacent to the woofer speaker and configured to output a second audio signal of the audio signals in the middle and high-pitched tone band.
US10820090B2 Speaker assembly
The present disclosure discloses a speaker assembly, including: a housing with an accommodation space formed by a top wall, a bottom wall, and a sidewall; a speaker received in the accommodation space. The speaker includes a first unit having a first diaphragm and a second unit having a second diaphragm; a first back cavity formed by the first unit and the bottom wall; a second back cavity formed by the second unit and the top wall. An auxiliary cavity is formed by the second diaphragm and the bottom wall; a partition wall connecting between the top wall and the bottom wall for separating the auxiliary cavity from the first back cavity. The partition wall has a through hole corresponding to the second diaphragm. The second unit has a side adjacent to the second diaphragm fixed to the partition wall.
US10820085B1 Skirt attachment
Auricular attachments should be comfortable for long term wear.An auricular interface based on a skirt attachment is disclosed. By separating the uplifting force of the skirt from a separate downward force a more comfortable wearing is achieved. The skirt can optionally be pleated.The objective is achieved by a skirt structure having an outer surface that contacts least a part of an inner part of an outer boundary of a concha of a pinna, without the skirt touching the floor of the concha.
US10820083B2 Acoustic assembly having an acoustically permeable membrane
An acoustic device including a motor disposed in a housing having a non-porous elastomeric membrane disposed across an acoustic path defined by a sound port of the housing is disclosed. The motor may be embodied as MEMS transducer configured to generate an electrical signal responsive to an acoustic signal, or as some other electromechanical device. The membrane has a compliance that is 1 to 100 times a compliance of the acoustic device without the membrane, wherein the membrane prevents ingress of contaminants (e.g., solids, liquids or light) via the sound port while permitting propagation of the acoustic signal along the acoustic path without significant loss.
US10820080B2 Receiver module
The present disclosure provides a receiver module. The receiver module includes a receiver and a microphone. The receiver includes a holder, a vibration unit, a magnetic circuit unit, a front cover covering the holder and a cover plate. The vibration unit includes a diaphragm spaced apart from the cover plate to form a front cavity. The holder includes a holder body portion, a holder extension portion and a first through-hole. The front cover includes a front cover body portion, a front cover extension portion and a second through-hole. The microphone is fixed on a surface of the holder extension portion facing away from the cover plate. The front cavity, the second through-hole, the first through-hole and a sound inlet hole of the microphone communicate with one another. The microphone share the front cavity with receiver to absorb noise of the receiver, providing better sound effect.
US10820067B2 Automated media publishing
The described methods, systems, and computer program products enable media composition editors to tag compositional objects with editorial rendition rules that specify how rendering decisions are to be made and how source media assets are to be selected and processed to generate an output rendering of a media composition that adheres to the editor's rendition-related choices. The editorially-specified rendition rules include spatial-type rules, temporal-type rules, and color-type rules, and generally pertain to the spatial, temporal, and color ranges and resolutions to be included within a rendition. When a rendition of a media composition is to be generated, a rendition engine interprets and applies the editorial rendition rules to generate and output the rendition in accordance with rendition parameters supplied to the rendition engine by a rendition profile, and, in some cases, by the media composition and the source media assets.
US10820066B2 Reconciling ABR segments across redundant sites
Reconciling Adaptive Bitrate (ABR) segments across redundant sites may be provided. First, a working manifest may be set to match a primary downstream manifest and the working manifest may be updated using an auxiliary downstream manifest. Next, first segments missing from the working manifest as identified during updating the working manifest using the auxiliary downstream manifest may be copied from the auxiliary downstream manifest to the primary downstream manifest. The working manifest may then be updated using a primary upstream manifest. And then second segments missing from the working manifest as identified during updating the working manifest using the primary upstream manifest may be copied from the primary upstream manifest to the primary downstream manifest.
US10820065B2 Service signaling recovery for multimedia content using embedded watermarks
Methods, devices, systems and computer program products facilitate accessing metadata associated with a primary audio visual content. Upon reception of a primary content, one or more watermark messages are extracted from the primary content obtain a server code and an interval code. A query to a metadata server is initiated based on the information obtained from the extracted watermark messages. In response to the query, service recovery information is received that includes information identifying one or more timed events, where each timed event identifies an operation to be performed at a corresponding instance in time as the primary content is being presented by the receiver device. One or more operations identified the timed events are initiated at the corresponding instance(s) in time.
US10820062B2 Providing interactive advertisements
An example method for providing an interactive advertisement in association with a media presentation comprises storing a commercial identifier in association with an interactive advertisement identifying a commercial associated with the interactive advertisement. The interactive advertisement is associated with interactive advertisement data comprising a related content identifier identifying a related content object. Before a commercial segment begins, a list of commercials to be provided during the commercial segment is received comprising the commercial identifier. After determining that the commercial associated with the interactive advertisement is to be provided during the commercial segment and responsive to determining that the commercial segment is eligible for hosting the interactive advertisement, providing at least a portion of the interactive advertisement data, the portion of the interactive advertisement data configured to provide access to the related content object. The commercial and access to the related content object are provided for simultaneous display.
US10820060B1 Asynchronous co-watching
The disclosed computer-implemented method may include determining that a subsequent user is consuming content that was consumed previously by an initial user. The computer may access various reactions by the initial user to the content that were recorded and synchronized as the initial user consumed the content. The computer may further determine that at least some of the reactions by the initial user have an engagement level above a predetermined threshold, and then provide the reactions with engagement levels above the predetermined threshold for presentation to the subsequent user synchronously with the content as the content is consumed by the subsequent user. Various other methods, systems, and computer-readable media are also disclosed.
US10820059B1 Systems and methods for spotted advertising and control of corresponding user interfaces and transactions via user receiving devices and mobile devices
A user receiving device includes at least one transceiver module that receives a video and an ad. The ad is played out as part of the video is for a product or service. An output module displays the video and the ad on a display. The display is associated with the user receiving device. A transaction module initiates a purchase transaction based on an initiation signal and, after initiating the purchase transaction, displays an additional offer based on a purchasable object corresponding to the ad or a stored customer history. The transaction module generates an offer response to the additional offer and receives a confirmation response based on the offer response.
US10820057B2 Scalable light-weight protocols for wire-speed packet ordering
A communication method between a source device and a target device utilizes speculative connection setup between the source device and the target device, target-device-side packet ordering, and fine-grained ordering to remove packet dependencies.
US10820056B2 Systems and methods for playback of content using progress point information
The systems and methods are described herein for playback of content based on progress point information. The systems and methods detect nearby media devices to transmit or request progress point information. Based on the communicated progress point information, the system may generate an option to play back content at a point within the content up to which content was last consumed. When content providers offer different versions of one content item and the user does not select to play back content from the content provider associated with the progress point information, the system determines a proper playback point in other content providers.
US10820054B2 Method and apparatus for presenting media programs
Systems and processes that incorporate teachings of the present disclosure may include, for example, identifying an action initiated by equipment of a first user of a number of users, during a presentation of a media program, and generating, responsive to the identifying of the action, an overlay comprising a symbol indicative of the action and situated in relation to the presentation of the media program. The overlay is presented, together with the media program, at a display of a second user of the plurality of users, wherein the symbol is selectable by the equipment of the second user. Other embodiments are disclosed.
US10820053B2 Extension bundle generation for recording extensions in video delivery
In one embodiment, a method receives a request from a user for one or more extensions to a first program. The first program is associated with a first bundle that indicates the first program starts at a first time and ends at a second time. A second program that starts before the first time or starts after the second time is selected. The second program is associated with a second bundle that indicates the second program ends at the first time or starts at the second time. The method generates an extension bundle that includes information for the one or more extensions and uses the extension bundle to record an extended program for the user that includes the first program and at least a portion of the one or more extensions from the second program.
US10820051B2 Inhibiting display of advertisements with age-inappropriate content
A method includes determining, at a media device, a rating associated with an advertisement. The method also includes receiving, at the media device, information from one or more sensors, where the information indicates that a viewer (e.g., a child) is located within an area associated with the media device. The method includes determining whether the advertisement includes age-inappropriate content for the viewer based on the rating and based on the information. When the advertisement includes age-inappropriate content for the viewer, the method includes inhibiting display of the advertisement.
US10820044B2 Associating playback devices with playback queues
An example first playback device includes programming to perform functions including receiving a first request to associate with a first playback queue that is stored remotely from, and persists unassociated with, any playback device of the media playback system. The functions also include associating with the first playback queue and designating the first playback queue as an active queue of the first playback device. The functions also include receiving a second request to enter into a group with a second playback device that is associated with a second playback queue, entering into the group with the second playback device, associating with the second playback queue, and designating the second playback queue as the active queue of the first playback device. The functions also include receiving a third request to leave the group, and after receiving the third request, de-designating the second playback queue as its active queue.
US10820043B2 Method for decoding a service guide
The invention is: A method for decoding a service guide associated with a video bitstream comprising: (a) receiving a content fragment within the service guide, (b) receiving a name element within the content fragment, (c) receiving a description element within the content fragment and (d) decoding the service guide.
US10820042B2 Multiplexed delivery of media associated with guide display options
Methods, systems, and computer readable media can be operable to facilitate a multiplexed delivery of media associated with guide display options. A transport stream carrying media associated with a current context of an interactive guide application may be supplemented with one or more secondary streams that are associated with other contexts of the interactive guide application that are likely to be requested from subsequent user interactions. The other contexts of the interactive guide may be determined based upon a correlation between the other contexts and the current context of the interactive guide. When a user interaction occurs at a multimedia device, the multimedia device may retrieve a media stream associated with the user interaction from a transport stream that is currently being received by the multimedia device, from a buffer at the multimedia device, or from local storage associated with the multimedia device.
US10820041B2 Reception apparatus, transmission apparatus and data processing method
An apparatus and a method are provided which make it possible to allow a reception apparatus to execute a cache process in a unit of an application or in a unit of a presentation unit thereby to make it possible to achieve an application execution process of high completeness. The reception apparatus receives, from a transmission apparatus, signaling data in which an application size that is a data size of an application, application link information, and a data size of each of presentation units (PUs) that are application components are recorded. The reception apparatus compares a cache size and the data size of each of the applications and PUs with each other, determines cacheable applications or PUs as cache target data, and executes a cache process in a unit of an application or a PU.
US10820039B2 Video playing method and terminal device
A video playing method and a terminal device, the method including starting, by a terminal device, at least two playing instances based on an operation instruction of a user, where each of the at least two playing instances corresponds to a video display window, and where the video display window comprises a first video display window and a second video display window, playing first channel content in the first video display window and playing second channel content in the second video display window according to a display mode selected by the user, detecting an operation gesture of the user on the first video display window or the second video display window, and adjusting playing modes of the first channel content and the second channel content according to the operation gesture of the user and a current display mode.
US10820033B2 System and method for switching video presentations between devices
Aspects of the subject disclosure may include, for example, a method in which a processing system receives a signal transmitted from a first media presentation device presenting media content; the signal includes a request to discontinue providing the media content to the first media presentation device and begin providing the media content to a second media presentation device. The method also includes transmitting a link to a destination associated with the second device, and transmitting a portion of the media content to the second device; this portion corresponds to a predetermined time period commencing with transmission of the signal. In response to selection of the link, the media content portion is presented at the second device, and the media content is provided to the second device corresponding to a time period commencing with expiration of the predetermined time period. Other embodiments are disclosed.
US10820031B2 Communication apparatus for switching between a low-rate stream and a high-rate stream
Provided is a communication apparatus including: an encoder with a plurality of channels configured to encode an input stream while switching a rate of output data in at least two stages; and a wireless communication apparatus that transfers output of the encoder to a terminal by way of a wireless communication network, in which, when a channel is selected at the terminal, output of the encoder is switched from a low-rate stream to a high-rate stream such that the high-rate stream is transmitted to the terminal at which the channel has been selected.
US10820030B2 Systems and methods for displaying media content and media guidance information
A system comprises television equipment and a number of portable electronic devices. The television equipment includes a large display and control circuitry. The control circuitry receives media content and media guidance data for display on the display. The control circuitry also includes communication components for communicating with the portable electronic devices. The portable electronic devices are operable for displaying video and communicating with the television equipment method comprises the steps of receiving media guidance information with a first portable electronic device; transmitting at least some of the media guidance information from the first portable electronic device to the control circuitry of the television equipment; and displaying the media guidance information from the first portable electronic device on the display of the television equipment while simultaneously displaying media content or media guidance information received from a source other than the first portable electronic device.
US10820029B2 Alerting groups of user devices to similar video content of interest based on role
A method and apparatus for alerting groups of user devices to similar video content of interest based on role. The method includes providing a first video to groups of user devices, each having an associated user role, receiving viewing metrics indicative of levels of viewing interest for the first video from a first group of user devices associated with a particular user role, and when a level of viewing interest is above a predetermined threshold, classifying one or more corresponding first video frames of the first video as frames of interest. The method further includes receiving a second video, determining, using the frames of interest, that video content of the second video is of interest to a second group of user devices having the particular user role, and providing an alert to the second group of user devices.
US10820026B2 Methods and apparatus to identify co-relationships between media using social media
Methods, apparatus, systems and articles of manufacture are disclosed to identify co-relationships between media using social media. An example apparatus includes an audience estimator to: estimate a first audience of first media based on a first set of media-exposure social media messages corresponding to client devices referencing the first media, and estimate a second audience of second media based on a second set of media-exposure social media messages corresponding to the client devices referencing the second media. The example apparatus also includes a pairing classifier to: determine a pairing-score for a media-pairing based on the first and second audiences and the first and second sets of media-exposure social media messages, determine a relationship threshold to apply to the media-pairing based on the first media and the second media, and classify the media-pairing based on the pairing-score and the relationship threshold to improve an accuracy of a system associated with generating audience analysis information.
US10820024B2 Communication apparatus, communication data generation method, and communication data processing method
A configuration in which it can be determined on a packet-by-packet basis whether encoded data stored in communication packets is data based on randomly accessible encoded data is provided. A transmission apparatus generates a packet storing a NAL unit which is a component of encoded data or a packet storing NAL unit fragments obtained by further dividing the NAL unit, sets access point information indicating whether the NAL unit serving as the source data of packet storage data includes data serving as a random access point as additional information, and transmits the packet. A reception apparatus determines whether packet storage data is data generated based on randomly accessible encoded data with reference to the additional information of the packet.
US10820018B2 Method and platform for automatic selection of video sequences to fill a break in a broadcasted program
A method for automatic selection of video sequences to fill a break in a broadcasted program, including determining an estimated duration of the break (bi) and selecting from a collection of videos, such as advertisements, a sequence of videos to be played out. The sequence has a second duration which is shorter than the estimated duration and the selection depends on broadcast priority criteria associated with at least some of said videos. The method also includes broadcasting the sequence of videos and broadcasting a fill-in video signal until the end of the break.
US10820014B2 Compound motion-compensated prediction
A prediction scheme is selected for encoding or decoding a video block. A first compound motion block can be determined by weighting distances from a first reference frame to the video frame and from a second reference frame to the video frame using one or more quantized weighting coefficients. A second compound motion block can be determined based on an average of pixel values a video block of the first reference frame and pixel values from a video block of the second reference frame. One of the first compound motion block or the second compound motion block is selected and used to generate a prediction block. Alternatively, data encoded to a bitstream including the video frame can be used to determine which compound motion block to use to generate the prediction block. The current block of the video frame is then encoded or decoded using the prediction block.
US10820009B2 Apparatus and methods for distance estimation using stereo imagery
Frame sequences from multiple image sensors may be combined in order to form, for example, an interleaved frame sequence. Individual frames of the combined sequence may be configured a by combination (e.g., concatenation) of frames from one or more source sequences. The interleaved/concatenated frame sequence may be encoded using a motion estimation encoder. Output of the video encoder may be processed (e.g., parsed) in order to extract motion information present in the encoded video. The motion information may be utilized in order to determine a depth of visual scene, such as by using binocular disparity between two or more images by an adaptive controller in order to detect one or more objects salient to a given task. In one variant, depth information is utilized during control and operation of mobile robotic devices.
US10820007B2 Method and apparatus for decoding inter-layer video, and method and apparatus for encoding inter-layer video
Provided is an inter-layer video decoding method including obtaining a disparity vector of a current block included in a first layer image; determining a block of a second layer image corresponding to the current block by using the obtained disparity vector; determining a reference block including a sample that contacts a boundary of the block; obtaining a motion vector of the reference block; and determining a motion vector of the current block included in the first layer image by using the obtained motion vector.
US10820006B2 Moving picture coding method, moving picture decoding method, moving picture coding apparatus, moving picture decoding apparatus, and moving picture coding and decoding apparatus
A moving picture coding method includes (i) transforming, for each of one or more second processing units included in the first processing unit, a moving picture signal in a spatial domain into a frequency domain coefficient and quantizing the frequency domain coefficient, and (ii) performing arithmetic coding on a luminance CBF flag indicating whether or not a quantized coefficient is included in the second processing unit in which transform and quantization are performed, wherein, in the arithmetic coding, a probability table for use in arithmetic coding is determined according to whether or not the size of the first processing unit is identical to the size of the second processing unit and whether or not the second processing unit has a predetermined maximum size.
US10820003B2 System, apparatus, and method of Wi-Fi video transmission utilizing linear mapping of transmission payload into constellation points
A system for wireless video transmission includes a video compression unit to generate a description of DCT taps, a linear mapper to generate transmission payload from the DCT taps, and a wireless transmitter to map the transmission payload into constellation points, wherein the real part and the imaginary part of each of the constellation points is a monotonic function of some of the DCT taps.
US10820002B2 Image encoding apparatus and image decoding apparatus and method of operating the same
An image encoding apparatus includes an annexed data obtainer configured to obtain annexed data that is annexed to image data and that is to be transmitted along with the image data; an annexed image data obtainer configured to convert the obtained annexed data and obtain annexed image data having a same format as that of the image data; and an encoder configured to obtain transmission image data based on the annexed image data and the image data and encode the transmission image data according to a first codec.
US10820001B2 Image coding device, image decoding device, image coding method, and image decoding method
When a coding mode selected by an encoding controlling part 1 is an intra prediction mode, an intra prediction part 4 carries out an intra-frame prediction process using pixels adjacent to a partition Pin which is generated through a division by a block dividing part 2 or pixels adjacent to a higher layer partition Pin−1 to which the partition Pin belongs to generate a prediction image (Pin).
US10820000B2 Image coding device, image decoding device, image coding method, and image decoding method
When a coding mode selected by an encoding controlling part 1 is an intra prediction mode, an intra prediction part 4 carries out an intra-frame prediction process using pixels adjacent to a partition Pin which is generated through a division by a block dividing part 2 or pixels adjacent to a higher layer partition Pin−1 to which the partition Pin belongs to generate a prediction image (Pin).
US10819998B2 Apparatus and methods thereof for video processing
A method to be performed by a receiving apparatus for decoding an encoded bitstream representing a sequence of pictures of a video stream is provided. In the method, capabilities relating to level of decoding parallelism for the decoder are identified, a parameter indicative of the decoder's capabilities relating to level of decoding parallelism is kept, and for a set of levels of decoding parallelism, information relating to HEVC profile and HEVC level that the decoder is capable of decoding is kept.A method for encoding a bitstream representing a sequence of pictures of a video stream is also provided. In the method, a parameter is received from a transmitting apparatus that should decode the encoded bitstream.
US10819997B2 Encoding video data according to target decoding device decoding complexity
A method and system is provided for encoding video data according to target decoding device complexity. One embodiment is evidenced by a method of encoding video data for decoding on a target decoding device having parallel processing, comprising: receiving uncoded video data, computing a relationship between each of a plurality of encoding parameters and target decoding device decoding costs, selecting encoding parameters to minimize encoding costs, wherein the encoding costs include the target decoding device decoding costs, and encoding the uncoded video data according to the selected encoding parameters.
US10819995B2 Method of storing decoded video data, method of computing motion vector data and computer device
The present invention provides a method of storing decoded video data, a method of computing a motion vector and computer device. The method of storing decoded video data comprises: setting a reference frame queue table in a static random access memory and storing basic information of a plurality of reference frames in the reference frame queue table, wherein each unit of the reference frame queue table stores corresponding index information of one reference frame in a decoding buffer; storing a plurality of groups of frame buffering information corresponding to the index information in the decoding buffer, wherein each group of frame buffering information includes frame display order data and motion vector storage address information; and storing motion vector data of each reference frame in a dynamic random access memory.
US10819994B2 Image encoding and decoding methods and devices thereof
Image encoding and decoding methods and devices thereof are provided. The encoding method includes: performing downsampling on a first image to obtain a second image; encoding the second image to obtain a second image bit stream, and sending the second image bit stream to a decoding end; processing the second image to obtain a third image having a resolution the same as that of the first image; calculating a difference between the third image and the first image to obtain a first difference image; regulating pixel values of the first difference image to fall within a pre-set range, to obtain a second difference image; and encoding the second difference image to obtain a second difference image bit stream, and sending the second difference image bit stream to the decoding end to enable the decoding end to reconstruct the first image.
US10819990B2 Method and apparatus for palette predictor initialization for palette coding in video and image compression
A method and apparatus of palette predictor initialization for a coding system using palette coding are disclosed. A SPS predictor flag indicating whether SPS palette predictor values are present in a current SPS and a PPS predictor flag indicating whether SPS palette predictor values are present in a current PPS are used. According to the values of the SPS predictor flag and the PPS predictor flag, the current palette predictor array having a current predictor size for blocks in a picture corresponding to the current PPS is signaled at an encoder side or derived at a decoder side based on the PPS palette predictor values, the SPS palette predictor values or both.
US10819988B2 Moving image encoding apparatus, moving image decoding apparatus, moving image encoding method, moving image decoding method, and computer readable storage medium
A moving image encoding apparatus that encodes a moving image and generates encoded data includes an extraction unit configured to extract a brightness change direction for each of blocks acquired by dividing the moving image; and a pixel value control unit configured to control pixel values of a locally decoded image based on the brightness change direction extracted by the extraction unit, for each of the blocks acquired by dividing the moving image.
US10819987B2 Method and apparatus for coefficient induced intra prediction in image coding system
An intra prediction method according to the present invention comprises the steps of: determining an intra prediction mode for a current block; determining whether to apply a coefficient induced intra prediction (CIIP) to the current block; deriving neighboring reference samples for the current block on the basis of whether the CIIP is applied; and generating prediction samples for the current block on the basis of the intra prediction mode and the neighboring samples. The present invention can generate modified or improved neighboring reference samples and thereby can improve the performance of intra prediction.
US10819986B2 Method and apparatus for intra mode coding
A method of and an apparatus for controlling intra prediction for decoding of a video sequence are provided. The method includes determining a ratio of a width to a height of a coding unit, and based on the determined ratio being different than one, adding, to a table including intra prediction modes corresponding to intra prediction angles, first wide angles toward a bottom-left edge of the coding unit, second wide angles toward a top-right edge of the coding unit, and additional intra prediction modes respectively corresponding to the first wide angles and the second wide angles. The method further includes selecting, for decoding the video sequence, one of the intra prediction modes and the additional intra prediction modes added to the table.
US10819985B2 Encoder, decoder, encoding method, and decoding method
An encoder includes memory, and circuitry accessible to the memory. The circuitry accessible to the memory: determines whether OBMC is applicable to generation of a prediction image of a current block, according to whether BIO is to be applied to the generation of the prediction image of the current block; when BIO is to be applied to the generation of the prediction image of the current block, determines that OBMC is not applicable to the generation of the prediction image of the current block, and applies BIO to the generation of the prediction image of the current block without applying OBMC.
US10819984B2 Inter-plane prediction
A better rate distortion ratio is achieved by making interrelationships between coding parameters of different planes available for exploitation for the aim of redundancy reduction despite the additional overhead resulting from the need to signal the inter-plane prediction information to the decoder. In particular, the decision to use inter plane prediction or not may be performed for a plurality of planes individually. Additionally or alternatively, the decision may be done on a block basis considering one secondary plane.
US10819983B1 Determining a blurriness score for screen capture videos
The disclosed computer-implemented method may include (1) receiving, from a video streaming service, a screen capture of a video playback session including one or more static visual elements and a video playing in the video playback session, (2) detecting a window within the screen capture containing the video playing in the video playback session, (3) selecting the window containing the video by excluding the static visual elements in the video playback session, (4) determining a blurriness score associated with a potential degradation in quality of the video playing in the selected window, and (5) providing the blurriness score for analysis. Various other methods, systems, and computer-readable media are also disclosed.
US10819981B2 Method and apparatus for entropy coding of source samples with large alphabet
A method of entropy coding for source symbols in an encoder receives a current source symbol having a current symbol value belonging to a set of symbol values. When the source symbols correspond to horizontal components or vertical components of motion vector differences (MVDs) for Inter prediction coding, the method determines a threshold for the set of symbol values. If an absolute current symbol value is greater than the threshold associated with a corresponding motion vector resolution for the current source symbol, the method derives a first binary string. If the absolute current symbol value is not greater than the threshold associated with the corresponding motion vector resolution for the current source symbol, the method derives a second binary string. Finally, the method encodes the first binary string or the second binary string depending on whether the absolute current symbol value is greater than the threshold.
US10819979B2 Coupled primary and secondary transform
A method of controlling residual coding for decoding or encoding of a video sequence, is performed by at least one processor and includes determining whether a secondary transform is used, based on a primary transform that is set. The method further includes, based on the secondary transform being determined to be used setting a flag indicating whether the secondary transform is used to indicate that the secondary transform is used, determining the secondary transform, based on the set primary transform and an intra prediction mode of a current block of the video sequence, and performing the residual coding of a luma coding block of the current block and a chroma coding block of the current block, using the set primary transform and the determined secondary transform.
US10819977B2 Methods and apparatus for multiple line intra prediction in video compression
There is includes a method and apparatus comprising computer code configured to cause a hardware processor or processors to perform intra prediction among a plurality of reference lines, to set a plurality of intra prediction modes for a zero reference line nearest to a current block of the intra prediction among non-zero reference lines, and to set one or more most probable modes for one of the non-zero reference lines.
US10819976B2 Long-term reference for error recovery without back channel
A video encoding method eliminates the need for back channel feedback by using long-term reference frames for recovering data transmission errors. A videoconferencing endpoint captures image data and designates a first frame as a long term reference (LTR) frame. Subsequent intra frames us the LTR frame for reference. When a new LTR frame is designated, subsequent frames use the newly designated LTR frame for reference only after it is determined that the newly designated LTR frame is fully operational to serve in that role.
US10819972B2 Method and apparatus for light and computer vision based dimensional metrology and 3D reconstruction
Systems and methods disclosed herein includes a measurement device to enable dimensional metrology and/or 3D reconstruction of an object. The measurement device is positioned between the object and reference luminaires (e.g., light emitting diodes or other light sources). The measurement device uses the reference luminaires to determine the position and orientation of the measurement device. The measurement device may include a camera oriented towards the reference luminaires and may acquire/use images of reference luminaires to determine the position and orientation of the measurement device. Using the reference luminaires, the system may determine positions and orientations of the measurement device when the images of the reference luminaires are taken. The system may be configured to use the positions and the orientations of the measurement device to determine dimensions and/or 3D models of the object.
US10819971B2 Mapping of spherical image data into rectangular faces for transport and decoding across networks
A system captures a first hemispherical image and a second hemispherical image, each hemispherical image including an overlap portion, the overlap portions capturing a same field of view, the two hemispherical images collectively comprising a spherical FOV and separated along a longitudinal plane. The system maps a modified first hemispherical image to a first portion of the 2D projection of a cubic image, the modified first hemispherical image including a non-overlap portion of the first hemispherical image, and maps a modified second hemispherical image to a second portion of the 2D projection of the cubic image, the modified second hemispherical image also including a non-overlap portion. The system maps the overlap portions of the first hemispherical image and the second hemispherical image to the 2D projection of the cubic image, and encodes the 2D projection of the cubic image to generate an encoded image representative of the spherical FOV.
US10819970B2 Camera array including camera modules with heat sinks
A camera system is configured to capture video content with 360 degree views of an environment. The camera array comprises a housing including a first quadrant, a second quadrant, a third quadrant, and a fourth quadrant, wherein each of the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant form a plurality of apertures, a chassis bottom that is removably coupled to the housing, and a plurality of camera modules, each camera module comprising a processor, a memory, a sensor, and a lens, wherein each of the camera modules is removably coupled to one of the plurality of apertures in the housing, wherein the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant each include a subset of the plurality of camera modules. Each of the plurality of camera modules includes a heat sink.
US10819969B2 Method and apparatus for generating media presentation content with environmentally modified audio components
An apparatus for generating a presentation from content having original audio and video components is described wherein an environment detector is configured to output an environment-type signal indicating a detected particular environment. An acoustics memory is configured to output selected acoustic characteristics indicative of the environment identified by the environment-type signal. An audio processor receives the audio components and the acoustic characteristics and operates to modify the original audio components to produce modified audio components based on the selected acoustic characteristics. The presentation including the modified audio components is output.
US10819966B2 System and method for dynamic in-vehicle virtual reality
A method for rendering views to an output device in a vehicle, including receiving vehicle data from a portable device, and determining vehicle occupant action data based on the vehicle data associated with a vehicle occupant of the vehicle. The method including generating a view based on the vehicle data and a model, the model including one or more components that define the view, wherein generating the view includes modifying one or more components of the model according to the vehicle occupant action data. The method including rendering the view to the output device by controlling the output device to update display of the view according to the modified one more components of the model.
US10819965B2 Image processing device and method for operating image processing device
An image processing device includes a multimedia intellectual property (IP) block which processes image data including a first component and a second component; a memory; and a frame buffer compressor (FBC) which compresses the image data to generate compressed data and stores the compressed data in the memory. The frame buffer compressor includes a logic circuit which controls a compression sequence of the first component and the second component of the image data.
US10819963B2 Display device, method for controlling display device, program, recording medium, and moving body equipped with display device
A display device has a movable screen that is movable in a movement direction, a drive controller, a projector, and a position detector. The drive controller moves the movable screen relative to a reference position set at a prescribed position in a movement range of the movable screen. The projector performs drawing on the movable screen by irradiating the movable screen with light used for scanning the movable screen and projects a virtual image onto a target space based on light that passes through the movable screen. The position detector executes position detection processing for detecting that the movable screen is located at a detection position set in relation to the prescribed position. The position detector moves the movable screen and executes the position detection processing in a non-display period in which the movable screen is not irradiated with light from the projector.
US10819961B2 Light source apparatus for use in projection three-dimensional display apparatus, with dynamic diffusion plate
A light source apparatus includes a plurality of laser light sources configured to emit color light rays having multiple wavelength bands. The light source apparatus further includes a plurality of dichroic mirrors configured to combine the color light rays and output combined color light rays; and a dynamic diffusion plate configured to diffuse incident light rays from the plurality of dichroic mirrors so as to remove speckles specific to laser beams. One of the plurality of dichroic mirrors is configured to reflect blue light, and each of the plurality of laser light sources includes a blue laser light source. The blue laser light source is configured to generate a P-polarized short-wavelength-band laser beam, and an S-polarized long-wavelength-band laser beam having a wavelength longer than a wavelength of the P-polarized short-wavelength-band laser beam.
US10819956B2 Display system of vehicle and method of driving the same
A display system of a vehicle includes a plurality of cameras configured to capture images of front, rear, rear left, and rear right sides of the vehicle and generate image data. The system further includes a plurality of display panels configured to receive and display the image data, and at least one sensor configured to sense a pupil of a driver and at least one of a position, a body direction, or a head height of the driver. A processor determines a position of a field of view of the driver on the basis of the pupil position data and the posture data and generates a display correction value on the basis of the position of the field of view. A display correction device adjusts a horizontal tilt and a vertical tilt of each of the plurality of display panels on the basis of the display correction value.
US10819954B2 Distributed video sensor panoramic imaging system
A panoramic imaging system includes a plurality of separated video cameras that may be distributed around an object. A series of images captured by at least one of the separated video cameras is stored in a predetermined file format. The panoramic system further includes a viewer module that may render the series of images using the first file format. Moreover, the panoramic system includes a calibration module capable of modifying information associated with at least one of the series of images, where the modification results in calibration data stored in a configuration file and/or in the predetermined file format. The viewer module may also be capable of rendering the series of images in accordance with the predetermined file format.
US10819949B1 Methods and systems for connecting caller and callee client devices
Exemplary embodiments relate to techniques for facilitating a connection between two users in a call by providing an “answering window” when a user calls. When a caller places a call to a callee, the call invitation may remain open for a window of time during which the caller remains available. The callee may opt to answer the call at any time during the window. During the window, the caller may be placed in a lobby and may share audio and/or video. Accepting the call during the answering window may place the callee in the lobby or may directly convert the interaction into an active call. The callee may request that the window can be altered, or may signal their intention to answer the call at a particular time.
US10819946B1 Ad-hoc dynamic capture of an immersive virtual reality experience
Methods, systems, and techniques for projecting streamed video are provided. An Example Surround Video Projection System (SVPS) provides support for interacting with the displayed virtual reality environment, capturing a video of a user in the VR environment, and displaying the VR environment on deformations. Also, the SVPS may change the displayed VR environment responsive to attributes and/or characteristics of the user. In one example, the SVPS comprises a real time, interactive rendering system, a display system, and one or more display units. The rendering system comprises a high resolution graphics engine capable of generating high resolution video. The projection system comprises video capture cards to capture the generated video stream and forward it to a projection mapping engine. The projection mapping engine consolidates and stitches together the received video stream as appropriate to render the video stream over display units to the target viewing environment such as a dome/sphere.
US10819945B2 Digital deposition and evidence recording system
Embodiments include a modular video recording system. The system includes a first module for supporting a primary input to be recorded. The system may include combinations of modules for supporting different combinations of recording inputs from video and audio sources for recording the received inputs in different combinations.
US10819940B2 Display apparatus and computing apparatus including the same
A display apparatus and a computing apparatus including the same are provided. A display apparatus includes: a display module including a display panel configured to display an image, a system rear cover covering a rear surface of the display module, a vibration plate between the system rear cover and the rear surface of the display module, and a vibration module configured to vibrate the vibration plate, wherein the display panel is further configured to vibrate based on a vibration of the vibration plate to output sound.
US10819935B2 Ramp signal generator and CMOS image sensor using the same
Provided are devices having a ramp signal generator for adjusting a slope of a ramp signal by adjusting a current of a unit current circuit to adjust a step size. The ramp signal generator may include a unit current circuit including one or more current paths that allow a flow of an electrical current generated based on a ramp supply voltage, and a slope adjustment circuit configured to adjust a slope of a ramp signal by changing a current path of the electrical current flowing through the one or more current paths of the unit current circuit.
US10819929B2 Image sensor for compensating for signal difference between pixels
An image sensor includes two or more phase-difference detection pixels disposed adjacent to each other, a plurality of general pixels spaced apart from the phase-difference detection pixels, first and second peripheral pixels, and first to third light shields. The first and second peripheral pixels are adjacent to the phase-difference detection pixels, and between the phase-difference detection pixels and the general pixels. The first light shield is disposed in one of the general pixels and has a first width. The second light shield extends into the first peripheral pixel from a first area between the phase-difference detection pixels and the first peripheral pixel, and has a second width different from the first width. The third light shield extends into the second peripheral pixel from a second area between the phase-difference detection pixels and the second peripheral pixel, and has a third width different from the first width.
US10819927B1 Image sensor with self-testing black level correction
An imaging system comprises an image sensor and black level correction (BLC) circuitry. The image sensor includes an image pixel array adapted to generate an image signal in response to incident light and a dark pixel array adapted to generate a black reference signal representative of a black level value of the image sensor. The BLC circuitry is adapted to adjust the image signal of the image pixel array based, at least in part, on the black reference signal of the dark pixel array. The BLC circuitry includes a plurality of measurement circuits to readout the black reference signal from the dark pixel array to determine the black level value of the image sensor. The BLC circuitry also includes a plurality of calculation circuits to calculate a BLC value based, at least in part, on the black level value determined from the plurality of measurement circuits.
US10819921B2 Camera assembly having a single-piece cover element
The various implementations described herein include methods, devices, and systems for illuminating and capturing scenes. In one aspect, a video camera assembly includes: (1) an image sensor having a field of view corresponding to a scene; (2) infrared illuminators to selectively illuminate the scene; and (3) a single-piece cover positioned in front of the image sensor and the illuminators such that light from the illuminators is directed through the cover and light from the scene passes through the cover prior to entering the image sensor, including: (a) a first portion corresponding to the image sensor and substantially transparent to visible light and IR light; (b) a second portion corresponding to the one or more IR illuminators and coated to be substantially transparent to IR light; and (c) a third portion between the first portion and the second portion and coated to be substantially opaque to IR and visible light.
US10819915B1 Apparatus and method generating high dynamic range video
The disclosure provides for a novel system for generating a high dynamic range video of a colloid under investigation. This helps record images of various sizes of nanoparticles that scatter light with very different efficiencies (effective cross-sections), typically orders of magnitude different.
US10819912B2 Apparatus and method for processing image received through a plurality of cameras
An electronic device is provided. The electronic device includes a first camera group including a first camera disposed in a first optical axis direction and a second camera disposed in a second optical axis direction, and having a first field of view (FOV), a second camera group including a third camera disposed in a third optical axis direction and a fourth camera disposed in a fourth optical axis direction, and having a second FOV covering an area at least partially different from an area covered by the first FOV, a first processor configured to process images acquired through the first camera group, a second processor configured to process images acquired through the second camera group, and a designated processor configured to control the first processor and the second processor.
US10819909B2 Driving apparatus capable of satisfactorily detecting position of movable unit and ensuring large driving thrust, image blur correction apparatus, and image pickup apparatus
A driving apparatus which is capable of detecting a position with a long stroke and ensuring large driving thrust. The driving apparatus has a fixed member, a movable member, a coil, a position detector that detects a position of the movable member, and a first magnet unit and a second magnet unit that are placed with the coil interposed therebetween. The position detector and the coil are placed on one of the fixed member and the movable member, and the first magnet unit and the second magnet unit are placed on the other one. The second magnet unit has a concave portion in a central part of a surface facing the position detector. The position detector is placed closer to the second magnet unit than to the first magnet unit.
US10819908B2 Image sensor and electronic device having the same
An image sensor that obtains an image in which shake is corrected, while at the same time suppresses an increase in the circuit size, is disclosed. The image sensor has a plurality of pixels. Each of the plurality of pixels includes a light-sensitive element that detects the incidence of single photons; and a counter that counts a pulse contained in a signal. The image sensor further comprises a control unit that, on the basis of detected shake, switches a signal of the light-sensitive element supplied to the counter in a pixel, or replaces a count value of the counter of the pixel with a count value of the counter in another pixel.
US10819906B2 Sensor control method executed by air-conditioning apparatus
A sensor control method that is executed by an air-conditioning apparatus includes: acquiring a first thermal image by scanning an air-conditioned space using the infrared sensor in accordance with a first scanning scheme, the air-conditioning apparatus being placed in the air-conditioned space; extracting a subject thermal image from the first thermal image, based on a difference between a background thermal image of the air-conditioned space when no subject is present therein and the first thermal image; determining a second scanning scheme different from the first scanning scheme, when the subject thermal image has a size smaller than a threshold size; and acquiring a second thermal image by scanning an area corresponding to the subject thermal image of the air-conditioned space using the infrared sensor in accordance with the determined second scanning scheme.
US10819901B2 Mobile terminal and method of adjusting image capturing settings while previewing images on touch screen
The present invention provides a mobile terminal and a method of capturing an image using the same. The mobile terminal controls a camera conveniently and efficiently to capture an image and performs focusing in various manners to capture an image. Accordingly, a user can obtain a desired image easily and conveniently.
US10819896B1 Computer readable recording medium can perform image sensing system control method and image sensing system
An image sensing system control method, comprises: (a) calculating a first motion delta between a first image frame and a second image frame following the first image frame by the image sensor; (b) calculating a first output motion delta according to a first time difference, a second time difference and the first motion delta by the image sensor if the image sensor receives a first polling from the control circuit, wherein the first time difference means a time difference between a time of the first polling and a time of the first image frame, and the second time difference means a time difference between a time of the first polling and a time of the second image frame; and (c) outputting the first output motion delta to the control circuit from the image sensor.
US10819893B2 Mobile terminal device
The present invention discloses a mobile terminal device. The mobile terminal includes a housing having a receiving space, a driving module, a telescopic bracket, and a camera module. The housing includes a first surface adjacent to the receiving space, a second surface away from the receiving space, and a through hole extending through the first surface to the second surface. The driving module is received in the receiving space of the housing and disposed adjacent to the first surface. The telescopic bracket includes two openings and a telescopic space extending through the two openings. The telescopic bracket is disposed on the second surface of the housing, the opening corresponds to the position of the through hole, and one end of the camera module is electrically connected to the driving module, and the other end penetrates the through hole and is received in the telescopic space of the telescopic bracket.
US10819888B2 Camera decoration, camera module and electronic apparatus
A camera decoration may include a main portion defining a first through hole configured to expose a camera; and an extending portion connected to an end of the main portion and defining a second through hole configured to expose a flash. A thickness of the extending portion may be less than a thickness of the main portion.
US10819886B2 Systems, methods and apparatuses for film virtual production
Systems, methods and apparatuses for film virtual production include a headrig having a shell, a boom, a camera assembly and a control pod, the boom configured to release from a first side of said shell and secure to the shell at an opposite, second side, wherein repositioning from the first side of the shell to the opposite, second side results in a flip of the camera assembly.
US10819883B2 Wearable scanning device for generating floorplan
According to one or more embodiments, a system of generating a two-dimensional (2D) image of an environment includes a 2D scanner system that includes a measurement device that is mounted to a first body equipment of an operator and one or more processors that are mounted to a second body equipment of the operator. The measurement device includes a light source, an image sensor, and a controller to determine a distance value to one or more object points. The processors generate a 2D submap of the environment in response to an activation signal from the operator and based at least in part on the distance value, each submap generated from a respective point in the environment. Further, the processors generate a 2D image of the environment using multiple 2D submaps.
US10819878B2 Image processing apparatus capable of suppressing errors related to document conveying speed and data transfer rate, method of controlling image processing apparatus, and storage medium
An image processing apparatus capable of suppressing occurrence of an error due to an increase in the amount of data transfer per unit time while suppressing occurrence of an error due to thickness of a conveyed document sheet. A conveying speed of a document sheet is controlled based on the thickness thereof. As a frequency of an image transfer clock for transferring image data of the document sheet from a scanner section to an image processor, a frequency is used which is the lower of a first frequency determined based on whether an image processing process is executed in parallel with any other image processing process different from the image processing process and a second frequency determined based on the thickness of the document sheet.
US10819873B2 Image processing apparatus capable of suppressing degradation of image quality, caused by electrostatic noise, method of controlling same, and storage medium
An image processing apparatus capable of suppressing degradation of the image quality of output image data, caused by electrostatic noise, without increasing a circuit scale. The image processing apparatus transmits image data obtained by reading an original, in synchronism with a synchronization signal. Noise in the synchronization signal is detected and eliminated. An image is printed using the image data. The number of times of detection of the noise is counted, and a notification indicative of the number of times of detection of the noise is made.
US10819872B2 Image processing apparatus capable of displaying user-based option settings
An image processing apparatus, including a display, a memory, and a controller, to provide a plurality of functions is provided. The controller controls the display to display one of a first screen, through which one of the plurality of functions is selectable; a second screen, through which one of a plurality of options for the selected function is selectable; and a third screen, through which selection of the one of the plurality of options is indicated. When the controller reads shortcut information that indicates a first option for a selected one of the functions, and when the first option is permitted to the user, the third screen is displayed. When the first option is not permitted to the user, and if there is a second option permitted to the user, the second screen is displayed.
US10819871B2 Operation console, electronic device and image processing apparatus provided with the operation console, and method of displaying information on the operation console
On a touch-panel display of an image forming apparatus, which is divided to five areas, that is, a system area, a function selection area, a preview area, an action panel area and a task trigger area, pieces of information are displayed. Even if an operational mode is switched, the same or similar information is always displayed in the area arranged at the same position. In the task trigger area, software buttons operated by the user for actually operating the image forming apparatus are displayed.
US10819869B1 Media curl mitigation system
A printer includes: a motor driving a transport member according to an operational parameter, to transport media along a media path from a media supply to a printhead; a first distance sensor disposed on a first side of the media path to measure a first distance between the media and the first distance sensor; and a controller configured to: receive the measured distance; detect curling of the media based on the first measured distance; and responsive to detecting curling of the media, update the operational parameter at the motor.
US10819867B2 Sound notification device and method for multifunctional peripheral device for outputting sound related to postprocessing
A sound notification device includes a plurality of speakers of each of which a sound volume is capable of being adjusted and which have directivity characteristics different from each other; and a speaker control unit which selects at least one speaker of the plurality of speakers according to a content of a predetermined event and causes the selected speaker to output a sound with a sound volume determined according to the content of the event if the event occurs in a device.
US10819864B2 Information processing apparatus, control method for information processing apparatus, and program
An information processing apparatus is provided and includes a display unit which displays an operation screen. The information processing apparatus controls whether or not to receive setting for a first application from a different apparatus and use the received setting for the first application, in accordance with a type of a screen being displayed on the display unit.
US10819860B1 Charging and collection function in microservices
Various methods for a 3GPP defined Charging and Collection Function are employed that may use a microservices approach. The microservice approach may decompose the function of the network elements into component level functions that may be deployed as separate functional elements.
US10819856B2 Systems and methods for identifying virtual communication platform users
Methods for handling traffic between a first network including a virtual communication platform and a second network, such as a circuit-switched network, include inserting customer identifiers into data packets. For traffic sent to the second network, the packets with the identifiers are transmitted to a trunking service that uses the identifier to determine one or more applicable service attributes for handling the data contained within the packets. For data traffic received from the second network, the virtual communication platform uses the identifiers to determine a destination, such as an endpoint device, for the traffic within the first network.
US10819853B2 System and method for replacing hold-time with a call back in a contact center environment
System and method for handling a transaction between a waiting party and queuing party include an independent communication system (ICS) managing calls between the waiting party and calling party and handles sensitive data as well as call-attached data. The ICS manages the transaction in different stages and with different levels of sensitivity. Either party is allowed to modify the call or call preferences during the transaction. The ICS works independently from the queuing party calling system.
US10819851B2 System and method for processing an automated call based on preferences and conditions
A system can be operable to receive an automated call from a communications device, determine whether preferences associated with a called party identity), is applicable to the automated call, and determine whether a condition that precludes acceptance of the automated call is present. The determination of whether the condition is present can be based on information received from a sensory device coupled to the user device. In response to the condition being determined to be present, the automated call can be denied.
US10819848B2 Fault routing of an emergency communication
Aspects of the disclosure relate to routing of an emergency communication under fault conditions. Routing can be implemented in a packet-switching (PS) network that provides voice service. For a network node of the PS network, availability to route the emergency communication through a specific emergency service routing number (ESRN) can be determined and, in response to the network node being unavailable, administrative data associated with the ESRN can be accessed. In addition, an identifier associated with the administrative data can be updated (e.g., created or modified) with data indicative of the device that originated the emergency communication. The administrative data and the resulting identifier can be delivered to a second network node that can route the emergency communication to an emergency service network.
US10819846B2 Method and system for providing additional information to called parties
A system for providing additional information to called parties, the system comprises a base unit device for sending additional information to called parties, the base unit comprises a microprocessor, at least one Ethernet port, at least one telephone port, a first transceiver, and a first wireless antenna; and a display unit for receiving the additional information from the base unit device and displaying the additional information to the called parties, the display unit comprises a second transceiver, a liquid crystal display, a second wireless antenna, and a set of keys.
US10819845B2 Country-specific telephone number system analysis system using machine learning technique, and telephone connection method using same
Provided is a country-specific telephone number system analysis system. The system includes a telephone number system analysis logic server; a number analysis machine learning system; a country-specific international call service provider information database; a country-specific telephone number system information database; and a telephone call connection logic database. The telephone number system analysis logic server receives a target telephone number of a telephone call from a user terminal, and checks whether the target telephone number conforms to an international telephone number system protocol. When it is determined that the target telephone number does not conform to the international telephone number system protocol, the number analysis machine learning system identifies a country corresponding to the target telephone number by accessing the country-specific telephone number system information database. When the country and an international call service provider are identified by the number analysis machine learning system, the target telephone number is dialed after adding a dial code of the international call service provider and a country code as prefixes before the target telephone number, based on the telephone call connection logic database.
US10819843B2 Scheduling with distractions disabled
A communication device comprising: one or more processors and one or more memories supporting communication, the device comprising a plurality of modes, including at least a normal mode and at least one focused mode, wherein the normal mode is distinct from the focused mode, and wherein, when the device is in the focused mode one or more features of the device are at least partially disabled, and wherein the one or more features of the device that are at least partially disabled in the focused mode include one or more features relating to communication supported by the device, wherein the device is configured to: support a user interface (UI) for setting one or more focused time periods, and wherein the device is further configured to switch to the at least one focused mode during the focused time periods.
US10819842B2 Providing on-demand access to a restricted resource of a user device
Examples described herein include systems and methods for providing on-demand access to a restricted resource of a user device. An example method can include generating a profile that specifies a restricted resource and one or more conditions for that resource to be de-restricted. The profile can be sent to, and utilized by, an agent application executing on the user device. The agent application can determine that a user is requesting de-restriction of a resource and determine whether all applicable conditions are met. If the conditions are met, the agent application can de-restrict the resource. After the resource is used, the agent application can report details of the use to an administrator or management server.
US10819840B2 Voice communication method
Audio inputs are detected at an electronic device and translated into electronic communications for playback at an external electronic device.
US10819839B2 Operation method and system of mobile terminal
An operation method and a mobile terminal connected to an electronic device are provided. A wireless communication interface of the electronic device communicates with a mobile device. Content is displayed on an application on a display of the electronic device. A user input is obtained for selecting a piece of content from the displayed content on the application. Based on selecting the piece of content, a user interface on which the selected piece of content is displayed, is displayed on the application as content of a message. A recipient phone number is obtained through the user interference displayed on the application. Based on obtaining the recipient phone number, information for requesting that the mobile device transmits the selected piece of content to the recipient phone number, is transmitted toward the mobile device.
US10819838B2 Terminal device and control method thereof
A terminal device and a method for controlling the terminal device are provided. The terminal device includes a terminal body; a pressure sensor arranged at a side of the terminal body; a control circuit, connected with an output terminal of the pressure sensor, and configured to perform a preset operation when a pressure detected by the pressure sensor is not smaller than a preset pressure threshold.
US10819833B2 Dynamic re-route in a redundant system of a packet network
A method and apparatus for enabling dynamic reroute in a redundant system is provided. A network device is operative to determine whether a state of a link that couples the first network device with a third network device is active. In response to determining that the state of the link is active causing a payload of a packet to be forwarded towards the third network device through the second network interface of the first network device based on a second IP address; and responsive to determining that the state of the link is not active causing the second payload to be forwarded towards the third network device through a third network interface of the second network device based on the second IP address.
US10819832B2 Packet processing method, apparatus, and device
A packet processing method, apparatus, and device are disclosed. The method includes: receiving, by a forwarding plane, an item from a control plane of the forwarding plane, where the item includes an identifier of a connected terminal; receiving an access protocol packet; when the access protocol packet is not an authentication start packet, determining, by the forwarding plane according to the identifier of the connected terminal, whether a terminal served by the access protocol packet is the connected terminal; and discarding, by the forwarding plane, the access protocol packet when the access protocol packet is not the authentication start packet and when the terminal served by the access protocol packet is not the connected terminal. The method improves user experience.
US10819831B2 Methods and apparatus for channel defunct within user space stack architectures
Methods and apparatus for efficient data transfer within a user space network stack. Unlike prior art monolithic networking stacks, the exemplary networking stack architecture described hereinafter includes various components that span multiple domains (both in-kernel, and non-kernel). For example, unlike traditional “socket” based communication, disclosed embodiments can transfer data directly between the kernel and user space domains. Direct transfer reduces the per-byte and per-packet costs relative to socket based communication. A user space networking stack is disclosed that enables extensible, cross-platform-capable, user space control of the networking protocol stack functionality. The user space networking stack facilitates tighter integration between the protocol layers (including TLS) and the application or daemon. Exemplary systems can support multiple networking protocol stack instances (including an in-kernel traditional network stack).
US10819830B2 Multi-path TCP communication method between two terminals
A communication method includes: a) receiving, by a client device suitable for implementing a simple transmission control protocol connection or a multipath connection, or else a relay device connected to the client device and suitable for implementing a multipath connection, in the absence of any multipath connection between the client device or the relay device as the case may be and some other client device, information about the compatibility, if any, with multipath connections of at least one intermediate node placed on a path connecting the client device, or the relay device, as the case may be, to the other client device; and b) the client device or the relay device storing the status of the path concerning its compatibility, if any, with multipath connections.
US10819829B2 Methods and systems for facilitating a client-server communication using cyclic tokens
Embodiments provides a method for facilitating a client-server communication using cyclic tokens. The method includes receiving a request for token generation from a client device, generating a token in response to the request for token generation, and sending the token and a number of sub-tokens to be formed from the token to client device. The method includes establishing a cyclic token by token server for client device, where establishing includes generating a plurality of sub-tokens from the token based on the number of sub-tokens. Method further includes sending the plurality of sub-tokens of token to client device in an order defined by a sequence, and recording the plurality of sub-tokens in an order defined by the sequence as cyclic token. The method further includes facilitating validation of cyclic token upon receipt of sub-tokens in order of sequence as part of token validation request from an application server for client device.
US10819827B1 System for server scheduling using integer programming
A system for scheduling servers is provided. The system receives a scheduling period, staffing requirements in planning intervals during the scheduling period, skill groups with one or more servers in each skill group, location, tour group, shift templates and associated scheduling rules for each server to be scheduled. The system generates a Mixed Integer Linear Programming model using this information. The system continues searching feasible solutions to the Mixed Linear Integer Programming model until one or more stopping criteria are satisfied by a terminal solution. The system generates detailed server schedules using the terminal solution to the Mixed Integer Linear Programming model.
US10819821B2 Method and system for allocating content using a content-based centrality metric
The present technology provides a new content-based centrality metric that may be used for allocating content to caches in a network. The proposed method for measuring centrality and allocating content not only considers the topology of the network, but also the distribution of cache spaces and content among the cache spaces in the network in order to improve how content may be allocated. This approach to content allocation enables improved content retrieval in the form of higher cache hit rates, lower delays and improved network performance.
US10819816B1 Investigating and securing communications with applications having unknown attributes
Disclosed embodiments relate to systems and methods for analyzing data communication attributes of the target application without requiring preexisting knowledge of the data communication attributes. Techniques include implementing a training phase with respect to the target application comprising: identifying a training data element to be transmitted from an interface application to a target application through an intermediary agent, receiving a training electronic communication from the interface application containing the training data element, and analyzing one or more structural attributes of the training electronic communication; and implementing a runtime phase with respect to the target application comprising: receiving a runtime electronic communication transmitted from the interface application, identifying, based on the one or more structural attributes analyzed during the training phase, a corresponding one or more structural attributes of the runtime electronic communication, and implementing a control operation for the runtime electronic communication.
US10819814B2 System and method for providing database content on a client device
A system and method for providing content for display form data sources on a client device are provided. The method includes receiving, by a distribution server, a report identifier associated with a report and a request for information, wherein the information is requested based on the report; determining by the distribution server at least a data source, the at least a data source storing at least a portion of the information; requesting access from the integration server to the at least a data source to retrieve the at least a portion of the information; and sending from the distribution server to the client device, the at least a portion of the information, wherein the at least a portion of information is utilized in the report. In an embodiment, the data sources are accessible by an integration server.
US10819812B2 Automatic recipient targeting for notifications
A method may include one or more computing devices receiving an indication that a triggering action has been detected from a client device, identifying one or more notifications associated with the triggering action, wherein the one or more notifications have been stored in a queue prior to receiving the indication that the triggering action has been detected, and, for each of the one or more identified notifications, calculating a click-through probability that a user associated with the client device will interact with the notification, wherein the click-through probability is calculated based at least in part on a period the notification was stored in the queue prior to receiving the indication that the of the triggering action has been detected, and determining whether the calculated click-through probability satisfies a threshold and sending, in response to determining that the calculated click-through probability satisfies the threshold, the identified notification to the client device.
US10819809B2 Method for controlling conveyance of event notifications in sub-groups defined within groups based on multiple levels of administrative privileges
An improved system and method for defining an event based upon an object location and a user-defined zone and managing the conveyance of object location event information among computing devices where object location events are defined in terms of a condition based upon a relationship between user-defined zone information and object location information. One or more location information sources are associated with an object to provide the object location information. One or more user-defined zones are defined on a map and one or more object location events are defined. The occurrence of an object location event produces object location event information that is conveyed to users based on user identification codes. Accessibility to object location information, zone information, and object location event information is based upon an object location information access code, a zone information access code, and an object location event information access code, respectively.
US10819807B2 Method and system for displaying object, and method and system for providing the object
A first device for displaying an object related to content reproduced by a second device is provided. The first device including a sensor which senses an exit of the first device from a service zone of the second device during reproduction of the content by the second device; a communication device which requests a management server for an object related to the content, the object including link information for receiving information about the content reproduced by the second device at a point of time when the sensor senses the exit, and for receiving the object related to the content from the management server; and a controller which controls a display to display the received object related to the content on a predetermined screen of the first device.
US10819802B2 Enabling transmission of streaming content using point to multipoint delivery
It is presented a method for enabling transmission of streaming content in a point to multipoint delivery. The method is performed in a radio network node of a cellular network. The method comprises the steps of: receiving a donor indication message from a wireless device in response to the wireless device receiving a donor command from an application server, the donor indication message indicating that the wireless device requests to be a donor device; setting up a point to multipoint delivery session; obtaining downlink data of streaming content destined for the donor device in a unicast delivery; transmitting the downlink data in a unicast delivery to the donor device; and transmitting a copy of the downlink data using the point to multipoint session, such that the downlink data can be received by a plurality of wireless devices being recipient devices.
US10819801B2 System and method for managing communication sessions between clients and a server
A Domain Name System (DNS) name server configured to manage access by client devices to a web server configured to provide access to a target resource, optionally a web application, to client devices over the Internet in a short term data communication session, the DNS name server comprising: a domain name resolver; and a web server session manager; the domain name resolver being configured, in response to receipt from a client device of a DNS query including a domain name generated by a client, the domain name domain name comprising a domain name associated with the address of the web server and a prefix label corresponding to a session identifier (ID) for identifying the client, to: resolve the Internet Protocol (IP) address of the domain name; and pass the session ID for the client to the web server session manager; the session manager being configured, in response to receipt of the session ID from the domain name resolver, to: monitor a status of the web server; apply session management logic to the session ID, the session management logic being configured to determine whether or not to forward the client device to the web server based on one or more of: a monitored capacity of the web server, and information about the client device obtainable from the session ID; and if the logic determines that capacity is available in the web server for the client, cause the DNS name server to send to the client device a DNS reply containing the address of the web server configured to provide the client with access to the target resource.
US10819798B2 On-site system
An on-site system includes a disclosure-condition-table storage unit and a disclosure-condition-table creation unit. The disclosure-condition-table storage unit stores a disclosure condition table for management of a relationship between a purpose of a service and a data characteristic of on-site data, as a disclosure condition for disclosing the on-site data to a service device that provides the service. The disclosure-condition-table creation unit creates the disclosure condition table in which a purpose of a service included in descriptive information of the service is associated with a data characteristic included in descriptive information of the on-site data, and stores the disclosure condition table in the disclosure-condition-table storage unit.
US10819796B2 Internet of Things connectivity platform
An apparatus in one embodiment comprises at least one processing platform comprising a plurality of processing devices. The at least one processing platform is configured to establish a connection between a given one of a plurality of Internet of Things (IoT) clients and a given one of a plurality of IoT brokers via a connectivity layer providing the plurality of IoT clients with centralized access to the plurality of IoT brokers, and to exchange data between the given one of the plurality of IoT clients and the given one of the plurality of IoT brokers via the connectivity layer.
US10819792B2 Device and method for extracting data from a communication bus of a motor vehicle
A method is provided for extracting at least one usable data item flowing on a communication bus of a machine. The at least one usable data item is representative of a parameter of the machine, The method includes the following steps: receiving a configuration file including information relating to the coding of the at least one usable data item to be extracted; analyzing the information contained in the configuration file in order to enable the identification of the at least one usable data item to be extracted from all the data flowing on the communication bus; collecting the identified at least one usable data item; transmitting the collected at least one usable data item to a server that is remote from the machine.
US10819786B2 Local thin cloud tenant
According to some embodiments, a local thin cloud tenant computer platform is coupled to a user synchronization data store and to a remote user cloud application executing at a data center via a distributed communication network. The local thin cloud tenant computer platform may receive synchronization information from the remote user cloud application and store it into the user synchronization data store. When the local thin cloud tenant computer platform determines that the remote user cloud application is unable to respond to a request from a local user device, the synchronization information in the user synchronization data store may be accessed to provide limited functionality associated with the remote user cloud application. The local thin cloud tenant computer platform may then transmit a response to the request from the local user device.
US10819785B2 Network cache of device input for redundancy during device inoperability
There are provided systems and methods for a network cache of device input for redundancy during device inoperability. A device may detect that the device is in danger of failure, for example, if a battery is low on the device, the device is damaged, or the device may lose network connectivity. On detection of such a condition, the device may request that a server that performs electronic transaction processing establish or trigger a mode that allows for caching of transaction data as input for the transaction data is entered to a device, which may be done by sending signaling to the server indicating the condition that affects the device's operability. The server may then cache input for the transaction data. If the device fails prior to approving and completing electronic transaction processing, the server may use the cached data to generate a digital ledger for another entity.
US10819782B2 Personal digital server (PDS)
Personal Digital Server (“PDS”) is a unique computer application for the storage, updating, management and sharing of all types of digital media files, including audio, video, images and documents, irrespective of their format. PDS provides users with a single location to store and access, both locally and remotely, all of their digital media. It also provides the user total control of the overall management of these assets.
US10819781B2 Display device connection method for rapidly delivering data to plurality of display devices
Disclosed is a display device connection method for rapidly delivering data to a plurality of display devices. A peer-to-peer (P2P) overlay network including the plurality of display devices as member peers is configured to distribute content. In this case, an overlay management server (OMS) connects first member peers through a network as a tree topology using a source peer providing the content as a root node, and transmits fragments of the content to a child peer based on a number of peers to which each of the member peers is capable of transmitting the fragments of the content for a preset period of time, and the source peer directly transmits the fragments of the content to a second member peer that is not included in the tree topology among the member peers based on a predetermined limit on a hop count.
US10819772B2 Transformation of a content file into a content-centric social network
A method and a file networking system (FNS) transform a content file into a content-centric social network with managed connectivity and indexable touchpoints. The FNS injects a tracking code with widgets for user activities into each portable copy of the content file when user devices request access to the content file before distributing the portable copies to the user devices through a network. The FNS establishes a bidirectional communication with the distributed portable copies (DPCs) through the network to receive tracking information including user created touchpoints identified by the tracking code based on usage of the DPCs. The FNS indexes the touchpoints and creates a satellite internet of users of the DPCs based on invite information and usage of the DPCs. The FNS establishes communication between users of the DPCs in the satellite internet using the widgets through the tracking code and the indexed touchpoints, whereby grouping is automatically achieved.
US10819769B2 Management and prioritization of media items downloading
The disclosed embodiments relate generally to the downloading of media items. The media items may include, for example, audio, video, image, or podcast data. In accordance with one embodiment, two or more media items may be concurrently downloaded. In accordance with another embodiment, a user may control the downloading of each of the media items, as desired. More particularly, the user may choose to download, pause, or resume downloading one or more media items identified in the list of media items. In other words, the user may alter the download status of any of the items in the list of media items. In addition, the user may re-prioritize the order in which the media items in the list or a subset thereof are to be downloaded.
US10819767B2 Information centric network for content data networks
System and techniques for information centric network (ICN) implemented content data networks (CDNs) are described herein. A directive to initiate a cache operation for content may be received at a gateway of an ICN. An interest packet may be constructed based on the directive. The interest packet may be transmitted on the ICN and a response to the interest packet received. Here, the response has a payload that corresponds to the content. The payload then may be cached at a local repository of the gateway.
US10819766B2 Voice encoding and sending method and apparatus
This application relates to a voice encoding and sending method performed at a computer implemented system. The method includes sending voice data from at least one mobile terminal to at least one different mobile terminal; receiving at least one path of Real-Time Transport Control Protocol (RTCP) packet based on the voice data; parsing the at least one path of the RTCP packet, to obtain network status information; obtaining comprehensive network status information by means of statistics of the network status information; and adjusting a quality of service (QoS) parameter according to the comprehensive network status information, and encoding and sending the voice data according to the adjusted QoS parameter.
US10819760B2 Method and apparatus for streaming video applications in cellular networks
Aspects of the subject disclosure may include, for example, allocating, by a processing system including a processor, a first subset of resources to a first plurality of applications and a second subset of the resources to a second plurality of applications, wherein the allocating is based on respective statuses associated with the first plurality of applications and the second plurality of applications, and assigning, by the processing system, a respective bitrate to each application of the first plurality of applications, wherein the assigning of the respective bitrate to each application of the first plurality of applications is based on: a first threshold associated with a re-buffering of content, and a second threshold associated with the statuses. Other embodiments are disclosed.
US10819759B2 Apparatus and method for managing events in a computer supported collaborative work environment
Aspects of the subject disclosure may include, for example, participating in a communication session over a network with a second communication device that is remote from the communication device where the communication session includes a computer supported collaborative work environment utilizing a non-baton passing protocol, presenting content at a display device where the content is presented by the second communication device at a second display device, receiving first user input at the user interface where second user input is received by the second communication device where a conflict resolution is applied to events associated with the first and second user input, and presenting adjusted content at the display device. Other embodiments are disclosed.
US10819758B1 Live multiparty audio-visual communication linking system and method
A system and method are presented for the creation and management of live audio-visual streams between multiple parties. An organizing computer system requests a system server to establish a stream with a limited, preset number of slots. Other computer systems request to join the stream. Once the present number of slots is filled, a queue is established for waiting computer systems. Participating computer systems can be limited in their participation to a present time period, after which they are removed from the streams. Removal of one computer system from the stream opens a slot for another, which is filed from the queue of waiting computer systems. The queue can be sorted through a variety of means, including FIFO and auction.
US10819755B1 Communications apparatus, systems, and methods for preventing and/or minimizing session data clipping
The present invention is directed to communications apparatus, systems, and methods for preventing and/or minimizing session data clipping/loss when using the ICE protocol procedures on a session border controller. An exemplary method embodiment of operating a Session Border Controller (SBC) includes, receiving, at the SBC, an initial offer message from a first user equipment device directed to a second user equipment device, said initial offer message including one or more candidate addresses for the first user equipment device; and establishing a data path between the SBC and the second user equipment device in response to receiving said initial offer message prior to establishing a data session between the first user equipment device and the session border controller.
US10819754B2 Method and system for routing IP based messaging, voice and video calling based on the network parameters the device is connected to and the location
A system and method for routing IP-based messaging, voice and video calling, comprising detecting network parameters of a network that a device is connected to, detecting a location of the device and routing the call based on the network parameters and the location.
US10819752B2 Systems and methods for quantitative assessment of a computer defense technique
A computer-implemented method for quantitatively assessing a defense technique. The method includes executing a reasoning engine that receives as an input to the reasoning engine a query that includes an indicia of a defense technique to a computer security threat. The method further includes translating the defense technique into a propositional logic constraint on a queryable representation of a Boolean formula representing a model complied from a set of computer security threats and a set of defense techniques. The method also includes performing an assessment of the defense technique based on the propositional logic constraint on the queryable representation, to quantify the defense technique relative to a member of the set of computer security threats. The method further includes displaying a result of the assessment to indicate a level of security provided by the defense technique to the member.
US10819749B2 Reducing error in security enforcement by a network security system (NSS)
The technology disclosed relates to reducing error in security enforcement by a network security system (abbreviated NSS). The NSS classifies incoming connection access requests as loss prevention inspectable or connection preserving by determining their conformance or non-conformance with semantic and content requirements of HTTP and HTTPs protocols. The NSS forwards the loss prevention inspectable connection access requests to a data inspection and loss prevention appliance (abbreviated DILPA) for deep inspection. The NSS directly sends the connection preserving connection access requests to the destination servers, preventing connection termination and error generation.
US10819745B2 URL abnormality positioning method and device, and server and storage medium
Embodiments of the specification provide a URL abnormal field location method. One exemplary method comprising: obtaining a plurality of URL samples comprising a plurality of abnormal URL samples and a plurality of normal URL samples; for each of the plurality of URL samples, obtaining a plurality of feature vectors representing the plurality of fields of the URL sample; assigning a plurality of training labels to the plurality of feature vectors of each of the plurality of URL samples; obtaining, based on a classifier, a plurality of predicted labels for the plurality of feature vectors of each of the plurality of URL samples; updating the plurality of training labels based on the plurality of predicted labels; training the classifier with the plurality of updated training labels; and deploying the trained classifier to identify an abnormal field in a URL.
US10819743B2 Anti-replay processing method and device utilizing the same
An anti-replay processing method. The method is utilized in a service function path (SFP) to monitor packet count in the SFP to identify replay attack event, and recognizes a segment of the SFP where the replay attack event occurs as an insecure path. The method further initiates a secure path bypassing the insecure path, labels normal SFC packets with an asserted secure flag, and blocks replayed packets without the asserted secure flag at the exit stage of the secure path.
US10819742B2 Integrated industrial system and control method thereof
An integrated industrial system includes a safety instrumented system which is installed in a first zone, a host system which is connected to the safety instrumented system through a network, the host system being installed in a second zone which is different from the first zone, a detector which is installed in each of the first zone and the second zone, the detector being configured to detect a cyber-attack from outside to a self-zone, and a defender configured to perform a countermeasure of restricting a communication between the first zone and the second zone or of restricting a communication in the first zone or the second zone, based on a detection result of the detector.
US10819741B2 Predictive fraud prevention for collaboration conferencing systems
Aspects of the present disclosure involve systems and methods for detecting a potentially fraudulent access of a collaboration conferencing system on a telecommunications network and executing a corrective action in response to the detected access attempt. In some instances, the corrective action includes denying access to the collaboration system when the fraudulent access attempt occurs. In other instances, the corrective action includes providing a warning to the caller, rerouting the communication to another system within the network, or reporting and storing of the fraudulent attempt. To detect the possible fraudulent access attempt, a device may detect more than one fraudulent access attempt to the collaboration conferencing system and determine a pattern. With the pattern of attempts known, the system accesses a database to determine if a valid account is likely to be accessed by the fraudulent attempts and takes actions to prevent access to the valid account.
US10819740B2 Local port managing method and device, packet-oriented data network, digital storage media, and computer program product
A method for managing local ports in a packet-oriented data network is proposed, wherein packets are assigned to a selected local port, and assignment of a local port is controlled based on observation of transmission on the network. The invention also relates to a local port managing device, a packet-oriented data network, a digital storage media, and a computer program product.
US10819738B2 Detecting and protecting against ransomware
In a system that replicates data writes by a server to form a local copy for a local production site with local storage and a remote copy for a remote recovery site having remote storage, ransomware is detected by a decrease of more than a predetermined threshold in either or both of compression ratio or deduplication ratio in a length of data selected by a sliding time window. Upon detecting ransomware, data writes to said remote storage are stopped to minimize corruption of the remote data.
US10819736B2 Encoding of input to branch prediction circuitry
A data processing apparatus comprises branch prediction circuitry adapted to store at least one branch prediction state entry in relation to a stream of instructions, input circuitry to receive at least one input to generate a new branch prediction state entry, wherein the at least one input comprises a plurality of bits; and coding circuitry adapted to perform an encoding operation to encode at least some of the plurality of bits based on a value associated with a current execution environment in which the stream of instructions is being executed. This guards against potential attacks which exploit the ability for branch prediction entries trained by one execution environment to be used by another execution environment as a basis for branch predictions.
US10819735B2 Resolving customer communication security vulnerabilities
Various embodiments for resolving customer communication security vulnerabilities are provided. Customer traffic data is stored in a database and analyzed to identify problem traffic. A report of a first user device and a usage history for the first user device is obtained. Similarities between the usage history of the first user device and the problem traffic are searched for to identify an issue. A first vulnerability is remedied on the first user device by a first remote action in response to the issue being identified. A second user device that is in a same account as the first user device and that has engaged in similar problematic communications as the first user device is identified. A second vulnerability is proactively remedied on the second user device by a second remote action.
US10819731B2 Exception remediation logic rolling platform
The invention relates generally to monitoring and managing network components, such as monitoring the network components to determine the vulnerabilities of network components, implementing remediation plans for the vulnerabilities, instituting remediation suppression for acceptable uses, instituting network component exceptions and rolling exceptions to other network components automatically, and taking consequence actions for the vulnerabilities. A network component exception may be implemented for a network component when the network component data meets custom criteria. When the custom criteria is met, the network component is automatically rolled into the network component exception process to automatically associate network component exceptions with network components that have data that meets the custom criteria. The network component exceptions prevent vulnerability actions from being taken with respect to the associated network components.
US10819728B2 Multi-tenant cloud security threat detection
Methods and systems for security threat detection are disclosed. For example, a virtual machine with a network interface of a plurality of virtual machines includes a plurality of applications including first and second applications. The plurality of applications is associated with a respective plurality of application security modules, including a first and second application security modules associated with the first and second applications. A security policy engine executes on a processor in communication with a network including a network controller. The application security module detects an abnormality with a request to the first application, identifies a source and a mode of the abnormality, and reports the source and the mode to the security policy engine. The security policy engine prevents a further abnormality with the source and/or the mode from affecting the second application and commands the network controller to prevent the source from interacting with the network.
US10819721B1 Systems and methods for monitoring traffic on industrial control and building automation system networks
Technologies relating to monitoring communications traffic to detect potential attacks on industrial control system networks and building automation system networks are described herein. In an embodiment, a monitoring device receives a plurality of communications from a control network. The monitoring device transmits the communications to a computing device. Based on the communications, the computing device generates a listing of devices that communicated by way of the control network over a period of time, and computes a volume of traffic between each pair of devices in the listing of devices. The computing device then outputs a graphical user interface (GUI) by way of display, the GUI comprising data indicative of the computed volumes of traffic, which may be indicative of a potential attack on the control network.
US10819720B2 Information processing device, information processing system, information processing method, and storage medium
An information processing device according to the present invention includes: a cluster analyzer that determines a cluster identifier indicating a cluster that is a result of classifying an alert, receives a classification result of the alert, and generates alert information that is information including the alert, the cluster identifier, and the classification result; a rule generator that calculates a number of occurrence times of a pattern that is a combination of information and includes the cluster identifier, extracts a frequent pattern, generates a classification rule used in setting of the classification result, and updates a previously generated old classification rule with a newly generated classification rule; and a rule applicator that sets the classification result included in the alert information.
US10819718B2 Methods and systems for detecting malicious webpages
Methods and systems are disclosed for training a malicious webpages detector for detecting malicious webpages, based on a training set comprising a plurality of samples representing malicious and non-malicious webpages. Text content can be extracted from the source code of each sample, and/or non-text content can be extracted from each sample, in order to train respectively at least a first deep learning neural network and a second deep learning neural network of the malicious webpages detector. A malicious webpages detector can detect whether or not a webpage is malicious, by extracting text content from the source code of the webpage, and/or non-text content from the webpage, thereafter providing prospects that the webpage is malicious based on the extracted data.
US10819715B2 Automated security policy generation for controllers
In one implementation, a method for automatically generating a security policy for a controller includes receiving, by a security policy generation system and from a controller development environment, code for a device controller; selecting middleware that enforces a security policy; analyzing the code for the device controller; based at least in part on the analyzing, automatically generating the security policy; and providing the selected middleware along with the generated security policy.
US10819712B2 Security verification of communications to tenants of a multi-tenant system
In accordance with embodiments, there are provided mechanisms and methods for security verification of communications to tenants of an on-demand database service. These mechanisms and methods for security verification of communications to tenants of an on-demand database service can enable embodiments to allow tenants to selectively implement security measures with respect to inbound communications, etc. The ability of embodiments to provide such feature may allow tenants to efficiently and effectively implement security measures for in-bound emails.
US10819705B2 Method for connecting to Wi-Fi hotspot device, Wi-Fi hotspot device, and user equipment
A method for connecting to a Wi-Fi hotspot device, the Wi-Fi hotspot device, and a user equipment (UE), where the method includes generating, by the Wi-Fi hotspot device, a two-dimensional barcode according to Wi-Fi authentication information, where the two-dimensional barcode includes the Wi-Fi authentication information, and the Wi-Fi authentication information is used for authentication prior to connection to the Wi-Fi hotspot device, and presenting, by the Wi-Fi hotspot device, the two-dimensional barcode to the UE using a display screen of the Wi-Fi hotspot device such that the UE may connect to the Wi-Fi hotspot device according to the two-dimensional barcode.
US10819703B2 Device and method for authentication
A device and method for user authentication. The device for authentication includes an extraction unit configured to extract a signal feature of a brainwave signal of a user to be authenticated and a comparison unit configured to compare the signal feature with a signal feature sample pre-stored in a feature library on an individual basis. When there a signal feature sample is matched with the signal feature, the device retrieves account information and a password of the user according to the matched signal feature sample. The device for authentication further includes a response unit configured to respond to a request of the user according to the account information and the password. The present disclosure can improve the security and convenience of user authentication.
US10819697B1 Authenticated name resolution
A method, system, and computer-readable memory containing instructions include receiving a DNS request containing authentication information, validating the authentication information, determining an appropriate action to take based on the validating status, and taking the appropriate action. Actions may include responding with an individualized network layer address or service location address, delaying sending a response message, sending a network layer address or service location address corresponding to a site containing authentication information, and sending a response with a network layer address or service location address with a web address configured to mimic the website related to the requested resource.
US10819691B2 Secure expandable advertisements using an API and cross-domain communications
A system to present secure expandable advertisements using an API and cross-domain communication. A content publishing system that hosts a website can implement an expandable advertisement using IFRAMEs that are expanded upon receiving an API call from a third party rich media vendor that hosts the expandable advertisement when the content publishing system and the third party media vendor are of differing domains.
US10819685B2 Lightweight secure autonomic control plane
A network device includes a transmitter and a receiver to establish a secure connection with one or more network nodes as part of a Autonomic Control Plane (ACP) network. The network device also includes a processor coupled to the transmitter and receiver. The processor receives a request from an application to initiate a connection with a destination network node. The processor also receives packets from the application for transmission toward the destination network node. When the packets from the application are unencrypted, the processor end-to-end encrypts the unencrypted packets without notifying the application. The transmitter then transmits the encrypted packets towards the destination network node across the ACP network.
US10819681B2 Content filtering with temporary privilege escalation responsive to a predetermined environmental condition
Program instructions are executable by a processor to direct content from a content server to local user devices, and filter the content accessible to each local user device, wherein the content accessible to an individual local user device is filtered according to a current privilege level. The processor may also store a base privilege level for each local user device, and store a predetermined environmental condition for temporary escalation of the current privilege level of the individual local user device to a second privilege level. Still further, the processor may receive environmental data from the individual local user device, wherein the environmental data is captured by an input component of the individual local user device, and temporarily escalate the current privilege level of the individual local user device to the second privilege level in response to the environmental data received from the local user device satisfying the predetermined environmental condition.
US10819677B2 Address migration service
Techniques for address migration are described. An address migration service can receive a request to migrate an address space to a provider network, the request including at least one range of addresses. The AMS service can authorize the request with an internet registry and provision the address space in at least one area of the provider network. The AMS can receive a request to advertise the address space, advertise the address space, and allocate at least one address in the address space to at least one resource in the provider network.
US10819674B2 Methods, apparatuses, and computer programs for data processing, and hierarchical domain name system zone files
Data is processed in a data communications network comprising a hierarchical domain name system. An authoritative name server for a first domain name processes a received domain name query for the first domain name by obtaining one or more resource records associated with the first domain name. The one or more resource records comprise contact information associated with an entity associated with a second domain name. The authoritative name server transmits a response to the domain name query. The response comprises the one or more resource records. The first domain name includes the second domain name and at least one label following the second domain name.
US10819672B2 Electronic messaging system for mobile devices with reduced traceability of electronic messages
An electronic messaging system and method with reduced traceability by separation of display of media component of message content and header information. An electronic message having an identifier of a recipient and a message content including an image media component is received at a server from a sending user device at which a display for associating the media component with the electronic message is provided without displaying the identifier of a recipient with the media component such that a single screen capture of the identifier of a recipient and the media component is prevented. The electronic message including an identifier of a sending user is transmitted to a recipient user device at which a display presenting the media component is provided without displaying the identifier of a sending user such that a single screen capture of both the identifier of a sending user and the media component is prevented.
US10819669B2 Unified computing device interface for assembly of a plurality of types of digital content for transmission to a plurality of target destinations
Disclosed herein is a unified graphical user interface for computing devices, enabling assembly of digital content for transmission to a plurality of network-based target destinations. The process may be initiated using content newly created or stored on the device, or using content accessible to the device by network connection. Destinations may be any communications services or upload destinations to which the device has access, and for some types of communication may be customized for singular recipients or groups of recipients. Icons representing content and one or more destinations are associated by user actions in the interface to establish the transmission to be executed. Methods are presented for handling of content that is non-compliant with destination requirement or limits in order to achieve compliance. The interface also enables launching of applications accessible from the device that are represented by the target destination icons. Embodiments described include those suited to both cursor-controlled devices and touchscreen-controlled devices.
US10819665B2 Messaging system apparatuses circuits and methods of operation thereof
A method for managing a messaging system for receiving at a messaging server a message addressed, storing the message, transmitting a notification of the presence of the message at the messaging server, receiving a request to retrieve the message, validating the first mobile messaging client device, transmitting the message and a message attribute from the messaging server to the first mobile messaging client device, and receiving at the messaging server from the first mobile messaging client device a message management notification generated by the first mobile messaging client device in connection with managing the message in accordance with the message attribute at the first mobile messaging client device.
US10819663B2 Interactive mobile service for deploying automated protocols
Disclosed are various embodiments that relates to executing a sequence of messaging nodes, where the messaging sequence is defined by user-defined local triggering conditional expressions for each messaging node, and supporting proper data organization and links that integrate individual message instances in a protocol flow.
US10819662B2 Detecting automatic reply conditions
Disclosed are various examples for facilitating the detection of conditions associated with an automatic reply associated with an email account. The automatic reply capability associated with an email account can be automatically activated in response to a condition associated with a client device, an email message, or an event stored in the user's calendar. An automatic reply message can be activated automatically or overridden by a user.
US10819660B2 Asynchronous switching system and method
An asynchronous switching system and method for processing SDI data streams, the system and method utilizing one or more buffers for cleaning up an output of a dirty IP switch.
US10819658B2 Network management with network virtualization based on modular quality of service control (MQC)
The present disclosure describes implementation of network virtualization based on modular quality of service control (MQC) in a data center network. In one example, a command originating from a tenant of a VDC is received by a network management server, the command being associated with network resource processing based on MQC. Based on a network resource configuration for the VDC, the received command is processed on a network virtualization layer of the network management server such that only processing associated with the VDC of the tenant is performed.
US10819657B2 Allocating acceleration component functionality for supporting services
Aspects extend to methods, systems, and computer program products for allocating acceleration component functionality for supporting services. A service manager uses a finite number of acceleration components to accelerate services. Acceleration components can be allocated in a manner that balances load in a hardware acceleration plane, minimizes role switching, and adapts to demand changes. When role switching is appropriate, less extensive mechanisms (e.g., based on configuration data versus image files) can be used to switch roles to the extent possible.
US10819656B2 Throttling network bandwidth using per-node network interfaces
Methods and systems for throttling per-node network bandwidths over time to maximize the aggregate bandwidth of a distributed cluster of nodes without exceeding a global bandwidth allowance for the entire cluster are described. The throttling of the individual node network bandwidths may include periodically adjusting individual node bandwidth settings for each node of a plurality of nodes within the cluster using node network interfaces. The adjusting of the individual node bandwidth settings for each node of the plurality of nodes may take into account the number and type of jobs running within the cluster at a particular point in time. The updates to the individual node bandwidth settings may be transmitted such that a first subset of the plurality of nodes with decreasing individual node bandwidth allocations are updated prior to updating a second subset of the plurality of nodes with increasing individual node bandwidth allocations.
US10819651B2 Excess bitrate distribution based on quality gain
A method provides for delivering video content from a server to a plurality of media devices is disclosed that distributes accurately excess bandwidth. The method includes: determining, by the server, the bandwidth to allocate to each of the plurality of media devices using a hypertext transfer protocol-based live streaming client model or a need parameter vector and/or measured bandwidth limitations associated with each of the plurality of media devices and providing the allocated bandwidth to each of the plurality of media devices, wherein the video content is transmitted in a plurality of segments from the server, and wherein each segment is transmitted at a bitrate that may vary from segment to segment.
US10819650B2 Dynamically adaptive cloud computing infrastructure
A method of providing an infrastructure of virtual resources in a cloud comprising automatically provisioning the virtual resources with other virtual resources with which to cooperate in supporting the infrastructure functionalities.
US10819646B2 Systems and methods for distributing unused bandwidth of metered flows in an envelope based on weights
System and methods of ingress packet metering include receiving a plurality of flows combined to form an envelope with a specific bandwidth, wherein the envelope is defined such that unused bandwidth from higher rank flows is usable by lower rank flows; admitting packets from the plurality of flows based on committed tokens and excess tokens; determining unused tokens in a time interval; and distributing the unused tokens based on configured weights of the plurality of flows within the envelope. The unused tokens can be provided from a lower rank flow to a higher rank flow. The unused tokens can be determined utilizing Two Rate Three Color Marker (trTCM) metering. The receiving can be at a User-Network Interface (UNI), a Network-Network Interface (NNI), or an External NNI (ENNI) port in a node.
US10819643B2 Load balancing systems, devices, and methods
Embodiments regard load balancing data on one or more network ports. A device may include processing circuitry, the processing circuitry to transmit a first packet of a first series of packets to a destination device via a first port, determine a time gap between a first packet and a second packet of the first series of packets, and in response to a determination that the time gap is greater than a time threshold, transmit the second packet to the destination device via a second port.
US10819639B2 Method for managing shared terminal and device therefor
Provided are a sharing terminal management method and a sharing terminal management apparatus. In response to an Internet access request packet, a sharing terminal management server collects terminal environment information and stores as many pieces of terminal environment information as the number of terminals permitted for each line in a permitted list via a process of transmitting a response packet for the Internet access request packet, and determines whether to transmit an Internet blocking notification, based on whether newly collected terminal environment information exists in the permitted list.
US10819634B2 Packet edit processing method and related device
A method, including obtaining a first protocol descriptor according to a protocol header field of an input packet, and further according to a preset protocol field mapping relationship, where the first protocol descriptor corresponds to the protocol header field of the input packet, and where the preset protocol field mapping relationship comprises a mapping relationship between the first protocol descriptor and the protocol field of the input packet, obtaining a second protocol descriptor according to the first protocol descriptor, obtaining, according to the preset protocol field mapping relationship and the second protocol descriptor, a second protocol header field, and obtaining an output packet, where the output packet comprises the second protocol header field.
US10819628B1 Virtual link trunking control of virtual router redundancy protocol master designation
A first information handling system may detect a VRRP configuration of the first information handling system and a peer information handling system, along with a VLT connection between the first information handling system and the peer information handling system. VLT control information may be used by the first information handling system to designate the first information handling system as a VRRP master node. The first information handling system may then control VRRP operation of the first information handling system and the peer information handling system based, at least in part, on the designation of the first information handling system as the VRRP master node.
US10819627B2 Network device stacking
A method and device for realizing automatic stacking of network devices are disclosed. According to an example of the method, when a network device determines its device role, the network device may send a first neighbor discovery message to a neighbor device and receive a second neighbor discovery message sent by the neighbor device. Next, if it determines that a topological structure between the network device and the neighbor device changes according to the second neighbor discovery message, the network device may determine whether a stacking condition to trigger stacking the network device and the neighbor device is satisfied or not. If the stacking condition is satisfied, the network device may further determine a stacking configuration for stacking the network device and the neighbor device. Then the network device may stack the network device with the neighbor device according to the stacking configuration.
US10819622B2 Batch checkpointing for inter-stream messaging system
Embodiments facilitate efficient recovery from an inter-stream messaging system failure by using heartbeat messages (HMs) to act as watermarks for message recovery. Embodiments insert HMs into each of the input streams at configurable regular intervals. The inter-stream router determines that a message being routed is a HM, and corresponding output HMs are generated based on the input HM. Embodiments insert a respective output HM into each of the output streams. Information indicating which output HMs have been processed from the output streams is tracked. After a failure of the inter-stream router, embodiments identify a target HM for each input stream, which is the latest HM sourced from the respective input stream that was processed from all of the output streams. After the inter-stream router restarts, the router initiates message routing, from each input stream, at the location of the respective input stream's target HM within the input stream.
US10819621B2 Unicast forwarding of adaptive-routing notifications
A method for communication includes, in a first network switch that is part of a communication network having a topology, detecting a compromised ability to forward a flow of packets originating from a source endpoint to a destination endpoint. In response to detecting the compromised ability, the first network switch identifies, based on the topology, a second network switch that lies on a current route of the flow, and also lies on one or more alternative routes from the source endpoint to the destination endpoint that do not traverse the first network switch. A notification, which is addressed individually to the second network switch and requests the second network switch to reroute the flow, is sent from the first network switch.
US10819619B2 Load balancing
A method for generating a decision table for selecting an optimal path out of a plurality of data paths between a client and a destination server connected through a network system, each of the plurality of data paths is connected to a router configured with a unique internet protocol (IP) address is provided. The method includes for each subnet IP address of the remote destination server and each of the plurality of data paths, measuring a network proximity; factoring the network proximity measured for each of the plurality of data paths; and ranking the plurality of data paths based on a decision function computed using the factored network proximity.
US10819614B2 Network monitoring apparatus and network monitoring method
There is provided a network monitoring apparatus including a memory in which information of a remote operation and a combination of one or more command codes are associated with each other, and a processor coupled to the memory and the processor configured to acquire a command code of the one or more commands codes from a header of an encrypted execution request packet for executing the one or more commands for implementing a remote operation, determine whether or not there exists the combination included in a command code list in which acquired command codes are sequentially indicated, by referring the memory, and determine that the remote operation associated with the combination is successful when it is determined that there exists the combination included in the command code list.
US10819613B2 System and method for interacting with and controlling testing of wireless device and/or wireless network performance on wireless electronic devices
There is provided a method of controlling behaviour of a system that evaluates wireless device performance, and/or wireless network performance, and/or wireless network usage trends. The method comprises providing wireless device software to each of a plurality of wireless electronic devices connected to one or more of a plurality of networks by having the wireless device software embedded in at least one application or memory of the corresponding electronic device, wherein the wireless device software is embedded in or operable with a plurality of types of applications and performs at least one test associated with characteristics and/or location of the device, and/or performance of the device and/or the network, and/or usage of the device by a user; receiving via one or more collection servers, test data obtained by the wireless device software of each of the plurality of wireless electronic devices; providing a data set to a third party, the data set comprising at least some of the test data; and enabling a configuration server in communication with the wireless device software to be controlled to modify the testing behaviour of the wireless device software based at least in part on the data set provided to the third party.
US10819611B2 Dynamic timeout-based fault detection
Techniques for implementing dynamic timeout-based fault detection in a distributed system are provided. In one set of embodiments, a node of the distributed system can set a timeout interval to a minimum value and transmit poll messages to other nodes in the distributed system. The node can further wait for acknowledgement messages from all of the other nodes, where the acknowledgement messages are responsive to the poll messages, and can check whether it has received the acknowledgement messages from all of the other nodes within the timeout interval. If the node has failed to receive an acknowledgement message from at least one of the other nodes within the timeout interval and if the timeout interval is less than a maximum value, the node can increment the timeout interval by a delta value and can repeat the setting, the transmitting, the waiting, and the checking steps.
US10819608B2 Information communication system, information communication method, and server
A plurality of in-vehicle information collecting devices mounted on a plurality of vehicles; a center server to manage each in-vehicle information collecting device as a communication target; and a communication unit to relay communication between each in-vehicle information collecting device and the center server are included. Each in-vehicle information collecting device has an in-vehicle controller to transmit/receive information including vehicle information to/from the center server, and the center server includes a server controller to transmit/receive information to/from each in-vehicle controller. The server controller, when receiving the vehicle information from each in-vehicle controller, analyzes the received vehicle information, generates speed information defining a transmission speed of the vehicle information based on an analysis result, and transmits the generated speed information to each in-vehicle controller. Each in-vehicle controller controls a communication amount of the vehicle information to the server controller, based on the speed information received from the server controller.
US10819607B2 Reducing power consumption of a compute node experiencing a bottleneck
A method includes obtaining component utilization data for multiple components of a compute node during at least one previous execution of a workload. The method further includes using the component utilization data to identify a first component having a utilization level that is less than a threshold utilization level during the at least one previous execution of the workload, wherein the first component is one of the multiple components of the compute node. The method still further includes, during a subsequent execution of the workload on the compute node, throttling the first component to prevent the first component from exceeding the threshold utilization level.
US10819605B2 Method, apparatus, and system for implementing delay measurement
A method and an apparatus for implementing delay measurement. The method includes: determining, by a measurement apparatus, a delay T0 generated when a first packet is transmitted at a first priority over a first loopback path that includes a first sub-path and a second sub-path; determining a delay T1 generated when a second packet is transmitted over a second loopback path that includes the first sub-path, the second sub-path, a third sub-path, and a fourth sub-path, where the second packet is transmitted at the first priority over the first sub-path and the second sub-path and is transmitted at a second priority over the third sub-path and the fourth sub-path; and determining a delay according to T0 and T1. Therefore a delay can be measured only by implementing a measurement function in the measurement apparatus, thereby resolving a problem of complex implementation.
US10819602B2 Inferring physical layer connection status of generic cables from planned single-end connection events
A work order is generated. The work order comprises a first work order step specifying that a port of a first network element is to be connected to a port of a second network element using a cable. The first and second network elements are configured to detect when connections are made at the specified ports of the first network element and the second network element. A management system is configured to update information it maintains to indicate that there is a connection between the specified port of the first network element and the specified port of the second network element if connections made at the specified ports of the first and second network elements are detected during a period in which the first work order step of the first work order is expected to be performed. A similar technique can be used for disconnecting a cable.
US10819600B2 Data collection apparatus and data collection method
A data collection apparatus collecting data from a terminal device connected through a communication path, comprising a schedule managing unit determining a schedule transmitting a data acquisition request to the terminal device according to managed timing data, a transmission amount adjusting unit adjusting a transmission amount of the data acquisition request, and a collected data managing unit managing the data collected from the terminal device, in which the schedule managing unit manages a start point time that is a time at which a data collection from each terminal device starts, a collection period that is an interval of the data collection from each terminal device, a retransmission interval that is a time until the data acquisition request is retransmitted when the data collection from the terminal device fails, and a retransmission number that is the number of times to retransmit the data acquisition request as the timing data.
US10819595B2 Data flow in telecommunications networks using network flow diagrams and associated data
Systems and methods for configuring telecommunications networks include obtaining network data flow information for a telecommunications network that includes attributes of multiple routes of data transmission through the telecommunications network. Utilizing at least one processing device, a filtering criteria is applied to the network data flow information to identify a subset of the routes having a shared attribute to generate filtered data. The filtered data is then used to generate a diagrammatic representation of the network flows and/or processed to automatically generate reconfiguration messages to improve network traffic distribution and flow.
US10819593B1 Reporting continuous system service status based on using real-time short-term and long-term analysis techniques
A system monitors applications, analyzes metrics, and provides a dashboard that communicates whether an application is performing as expected. The metric analysis includes performing one or more of a first short term data analysis, a second short term analysis based on machine learning-based pattern recognition machines, and a long-term analysis is performed. Transaction performance metrices are determined based on the monitored of the application. The transaction performance metrices are scored, scaled, and aggregated into a single scaled representation for the application. The scaled application value is then reported to a user through a dynamically updated dashboard. The dashboard displays graphical information representing the health of monitored transactions over time. The reported information can be expanded to additional layers of detail.
US10819591B2 Optical transport network design system
A system for network design comprising: a controller in communication with an input/output device, the controller being in communication with at least one fiber infrastructure database including at least one of a link performance data and a service volume data and a performance risk database; a modeling component configured to predict a number of potential customers impacted by a loss of a span and a number of circuits; wherein the controller is in communication with the modeling component, the controller being configured to merge data from the fiber infrastructure database and performance risk database to provide at least one of a recommended route design and an automated order to define a new route.
US10819589B2 System and a method for optimized server-less service virtualization
A system and a method for providing service virtualization in a distributed computing architecture without a central server is disclosed. The present invention provides one or more service pods implementable on one or more workstations. Each of the one or more service pods is configured to host one or more virtual services. Each of the one or more service pods interface with one or more live services to generate virtual service data to emulate said live services. The one or more service pods interface with each other via a network fabric technique and interact with one or more client applications to be tested. Each of the one or more service pods are configured to receive and process requests from one or more client applications using various modes of service pods. The present invention provides complete abstraction of the one or more workstations from the one or more service pods.
US10819587B2 Methods and systems for analysis of process performance
A system and method is disclosed for performance analysis of processes in a managed network. Processes may be represented as sets of activities, and an audit database may be configured for logging activities within the managed network. Database may include fields to identify process instances, process classes, process states, and process transitions. A server device may receive a request from a client device to view information representative of multiple process instances. The server device may select a plurality of process instances according to filter criteria applied to the data fields of the audit database records, and generate a graphical representation of interconnections between the one or more data fields of the selected plurality based on a statistical analysis of the one or more data fields of the audit database records corresponding to the selected plurality of process instances. The server may then transmit the graphical representation to the client device.
US10819585B2 Determining RACH root sequences as a function of access point configuration using graph coloring
A network device that determines RACH root sequences for AP devices within a given market. The network device can utilize a specialized graph coloring process or algorithm that has been adapted to, e.g., ensure that no two neighboring AP devices share the same RACH root sequences, provided certain additional constraints not found in graph coloring theory are met. For example, AP devices can have multiple RACH root sequence, whereas in traditional graph coloring problems, each vertex typically has only one color.
US10819582B2 Traffic optimization device and traffic optimization method
In order to dynamically vary a pacing threshold and perform pacing control such that there is no bias in the stress applied to a user, a statistical information processing means: acquires statistical information of a mid-communication disconnect in which a user terminal disconnects in the midst of communications, in respect to communications according to an application protocol; calculates a degree of user dissatisfaction for each application protocol on the basis of the statistical information; and manages, for each application protocol, a pacing threshold corresponding to the degree of user dissatisfaction. A call processing means determines a pacing threshold for each application protocol such that communication traffic to a user terminal does not exceed a prescribed band upper limit and the degree of user dissatisfaction of each application protocol is the same, and executes pacing processing such that the communication traffic of each application protocol is below the determined pacing threshold.
US10819572B2 Switch triggered traffic tracking
Systems and methods provide for performing performance analytics processing of network traffic by copying packets of network traffic to a switch CPU based on a flag. The systems and methods disclosing receiving network traffic comprising one or more packet, generating a network traffic flow record associated with the received network traffic, the network traffic flow record including a copy-to-CPU bit and one or more function flag bits, setting the copy-to-CPU bit to an on configuration, processing the one or more packets by one or more functions to generate network flow analytics, wherein the one or more function flag bits are set in response to the one or more functions generating network flow analytics, and setting the copy-to-CPU bit to an off configuration.
US10819568B2 System and method for configuring the ethernet network and RF connections for links between nodes of a distributed antenna system
In one embodiment, a system comprises a master unit having communication ports and coupled to one or more base stations, and a second unit coupled to and located remotely from the master unit. The second unit has a communication port coupled to one of the communication ports of the master unit via a communication medium and communicates Ethernet and digitized RF data using the communication port. The second unit requests an IP address from the master unit, and the request includes a MAC address of the second unit. The master unit determines which communication port of the master unit received the request and assigns an IP address to the second unit based on which of the communication ports received the request and without using a DHCP server. The master unit sends the IP address to the second unit, wherein the second unit is configured for operation using the IP address.
US10819565B2 Using network connection health data, taken from multiple sources, to determine whether to switch a network connection on redundant IP networks
Devices, methods, systems, and computer-readable media for using network connection health data, from multiple sources, to determine whether to switch a network connection on redundant IP networks using VoIP protocol are described herein. One non-transitory computer readable medium includes instructions for connecting an end device used by a first party to communicate with a second party through a VoIP network connection via a VoIP network device, connecting a first network device operating a first network to the VoIP device, connecting a second network device operating a second network to the VoIP device, if there are indications of a fault on at least two OSI layers, then switching from communicating VoIP connection related packets of data on the first network to communicating the VoIP connection related packets of data on the second network.
US10819560B2 Alert management system and method of using alert context-based alert rules
An alert management system for a configuration management database (CMDB) platform includes a client instance configured to: apply a first filter of an alert rule to CMDB alerts to select a first alert based on context of the first alert and apply a second filter of the alert rule to the CMDB alerts to select a second alert based on context of the second alert, wherein the context of the first and second alerts includes details regarding the first and second alerts and associated configuration items (CIs). The client instance is also configured to: evaluate at least one condition of the alert rule using the context of the first and/or second alert; and in response to evaluating the at least one condition of the alert rule to be true, performing at least one action of the alert rule using the context of the first and/or second alert.
US10819558B2 Method and agent for sharing information about cloudlet properties in distributed cloud environments
It is disclosed an agent of a first cloudlet and a method performed therein, the first cloudlet having one or more service properties, the first agent having associated a first group of one or more other cloudlets. Based on an exchange of information about service properties of cloudlets accessible to each agent, a comparison is made between service properties from different cloudlets, and if a certain cloudlet has at least one service property that exceeds a service property of any one of the first group of cloudlets, the certain cloudlet is added to a group of cloudlets, which efficiently represents service properties available to the first agent.
US10819555B2 Signal transmission method and apparatus
A signal transmission method includes: combining a plurality of low-order modulated signals into N modulated signals; and transmitting the N modulated signals on N subcarriers, where the N subcarriers are subcarriers on frequency domain resources of M channels, an nth modulated signal in the N modulated signals is transmitted on an nth subcarrier in the N subcarriers, N is an integer greater than or equal to 2, M is an integer greater than or equal to 2, and n=1, 2, . . . , N. The signal transmission method can improve efficiency of a diversity gain.
US10819554B2 Polar transmitter with zero crossing avoidance
A polar transmitter and method thereof generate a filtered IQ waveform in IQ space representing an input bit stream. The filtered IQ waveform is modified to avoid a zero crossing region by intermittently adding thereto a zero crossing avoidance signal with a frequency spectrum comprising at least first and second tones defining first and second peaks on opposite sides of a center-frequency valley. A polar signal comprising a polar amplitude and phase is generated based on the modified IQ waveform. An RF carrier is modulated using the polar signal.
US10819552B2 Terminal apparatus, base station apparatus, and communication method
To provide a terminal apparatus, a base station apparatus, and a communication method that enable a communication apparatus (terminal apparatus and/or base station apparatus) supporting multiple subcarrier spacings to perform efficient communication. A terminal apparatus includes: a control unit configured to identify a subcarrier spacing set applicable to a data channel, based on a first parameter included in higher layer signaling; and a reception unit configured to receive a control channel including data channel assignment information. Based on a type of the data channel assignment information, the terminal apparatus selects, from the subcarrier spacing set, a subcarrier spacing applicable to the data channel assigned based on the data channel assignment information.
US10819551B2 Transmitting device, receiving device and methods thereof
A transmitting device and a receiving device are described for a wireless communication system. The transmitting device transmits one or more synchronization signals on a carrier to at least one receiving device. A frequency of a synchronization signal among the one or more synchronization signals is located on a first frequency raster, and a carrier frequency of the carrier is deployed on a second frequency raster. The frequencies of two different synchronization signals among the one or more synchronization signals are located on different frequency positions in the first raster. The transmitting device transmits an indication of the carrier frequency to the at least one receiving device. The indication comprises at least one integer number. The receiving device derives the carrier frequency based on the at least one integer number.
US10819549B2 Receiver of filter bank multicarrier communication system based on discrete Hartley transform
A filter bank multicarrier communication system is proposed. The system adopts the real-valued discrete Hartley transform for both multicarrier modulation and demodulation, rather than the complex-valued inverse discrete Fourier transform for multicarrier modulation and the discrete Fourier transform for multicarrier demodulation in conventional filter bank multicarrier schemes, so as to reduce implementation complexity and to enhance system performance.
US10819540B2 Radio frequency impairments compensator for broadband quadrature-conversion architectures
A Radio Frequency Impairments (RFI) compensator and a process to remove RFI is disclosed. The RFI compensator including: a conjugator to conjugate a signal {tilde over (x)}[n] to provide a signal {tilde over (x)}*[n]; and a filter to apply coefficients that equalize a linear distortion of the signal {tilde over (x)}[n] and reject an interfering image of the signal {tilde over (x)}*[n]. The signal {tilde over (x)}[n] may be a single wideband carrier or may include multiple carriers at different carrier frequencies.
US10819539B2 Signal source estimation method and apparatus performing the same
Disclosed is a signal source estimation method and apparatus performing the same, the signal source estimation method including acquiring first reception signals received by first receivers, among signals radiated from signal sources, selecting second receivers receiving reception signals to be used to estimate the signal sources, from among the first receivers based on the first reception signals, and detecting the number of signal sources based on second reception signals received by the second receivers.
US10819534B2 Appliance network with messaging
An appliance, communication system, and method thereof for a communicating on a network including an appliance interactive display coupled to an appliance communication module, wherein the appliance communication module is configured to receive a message including an embedded interactive element, and sending a return message that relates to the activation of the embedded interactive element.
US10819525B2 Network traffic with credential signatures
Data is split into a set of data packets and transmitted between a client computer system and a network service via a packet-switched network. The client computer system identifies a role, permission, group, or other credential that is associated with the data packets, and attaches a credential identifier such as a digital signature to the packets before they are transmitted over the network. A network service receives the data packets, and is configured to filter or route the data packets to a recipient using the attached credential identifier. The network service can adjust the filtering or routing process to occur within a data link, network, transport, or application layer. In some examples, the filtering or routing is provided from within a hypervisor.
US10819524B2 Methods for header extension preservation, security, authentication, and protocol translation for RTP over MPRTP
Systems, methods, and devices of the various embodiments provide for header extension preservation, security, authentication, and/or protocol translation for Multipath Real-Time Transport Protocol (MPRTP). Various embodiments include methods that may be implemented in a processor of a computing device for MPRTP transmission of Real-Time Transport Protocol (RTP) packets. Various embodiments may include receiving an RTP packet in which the received RTP packet may be part of an RTP stream that may be protected using secure RTP (SRTP), and applying an authentication signature to the RTP packet to authenticate an MPRTP header extension separate from a body of the RTP packet. Various embodiments may include sending and/or receiving MPRTP subflows of an MPRTP session in which a same security context may be applied across all MPRTP subflows of the MPRTP session.
US10819523B2 Guarantee of ledger immutability
An example operation may include one or more of connecting, by an attester node, to a source blockchain network configured to store hashes of source blocks, collaboratively coupling, by the attester node, the source blockchain network with a target blockchain network configured to store hashes of target blocks, receiving, by the attester node, a request from the source blockchain network to store the hash of the source block on the target blockchain network, confirming, by the attester node, that the source network has a previously stored hash of the target block, in response to the confirmation that the source blockchain network has a previously stored hash of the target block, allowing, by the attester node, to store the hash of the source block on the target blockchain network, and continuing, by the attester node, a collaboration between the source blockchain network and the target blockchain network.
US10819522B1 Systems and methods of authentication using entropic threshold
Disclosed herein are embodiments of systems, methods, and products for authentication using entropic threshold. A server may require a user to create a series of security questions to which only the user has the answers. The answers to the security questions may satisfy an entropic threshold. Based on the answers to the security questions, the client device may generate a passphrase and encrypt the user's private key based on the passphrase. The server may also store the encrypted private key and the series of security questions into a database. When the user tries to access the private key, the server may send the user's security questions and encrypted private key. The client device may require the user to provide the answer to each security question. When the client device receives answers to all security questions, the client device may use the resulting passphrase to decrypt the user's encrypted private key.
US10819521B2 Providing low risk exceptional access
A method and system for providing unencrypted access to encrypted data that may be stored on a device, sent as a message, or sent as a real-time communications stream. The method may include using public key cryptography to securely enable accessing the encrypted data stored on a device or communicated by a device. For instance, the method may include using a device vendor's public key to securely enable that vendor to enable only authorized parties to themselves decrypt previously-encrypted device storage, messages, or real-time communications streams.
US10819518B2 Systems and methods for advanced application security
A computer device configured to install computer applications is provided. The computer device includes at least one processor in communication with at least one memory device. The at least one processor is programmed to receive a request to install a first application on a user computer device. The at least one processor is also programmed to scan at least one memory device of the user computer device for a device token associated with a second application. Upon detection of the device token, the at least one processor is programmed to retrieve the device token from the at least one memory device of the user computer device. The at least one processor is further programmed to validate the retrieved device token. Upon validation of the device token, the at least one processor is also programmed to install the first application and associate the device token with the first application.
US10819517B2 Integrated payment controller
A system and method of operating one or more selectively-operated devices is disclosed. The method includes establishing, by a controller, a communication channel with a communication device and receiving, by the controller, an authorization token from the communication device. The authorization token includes a verification value. The controller extracts the verification value from the received authorization token and compares the verification value of the authorization token to a plurality of stored verification value. When the authorization token is verified, the controller transitions to a programmable mode.
US10819515B1 Derived unique recovery keys per session
Examples described herein relate to systems, apparatuses, methods, and non-transitory computer-readable medium for recovering a session object associated with a secure session established by a security protocol server, including receiving, by a recovery server, an encrypted session object from the security protocol server, wherein the encrypted session object is unique to the secure session, generating, by the recovery server, a recovery key based on a first initial key and a recovery key sequence number, wherein the recovery key sequence number corresponds to a number of times that secure sessions have been established since the first initial key is received by the security protocol server, and decrypting, by the recovery server, the encrypted session object using the recovery key to generate the session object associated with the secure session.
US10819509B2 Asymmetric key management in consortium blockchain networks
Implementations of the present specification provide for management of service keys for consortium blockchain networks within a blockchain-as-a-service (BaaS) platform. Implementations include actions of receiving a request for a service key from a participant in a consortium blockchain network provisioned within the BaaS platform, determining that the participant is authorized for the service key based on a service authorization table that records participant privileges within the consortium blockchain network, providing a key package including an encrypted private key of the service key, and a public key of the service key, and sending the key package to the participant, the participant decrypting the private key of the service key using a public key associated with the participant.
US10819506B2 Method for storing a data file
A method for storing a data file, ‘DF’ on a storage entity, ‘SE’ includes a computing entity, ‘CE’, chunking the DF into a number of blocks using a one-way-function and a chunking key. The CE may compute a hash value for each of the blocks. One or more proxies, ‘PE’, may check whether the blocks are already stored, resulting in a first number of already stored blocks and a second number of blocks not being stored. The CE may encrypt the blocks not being stored using an encryption key, transmit the encrypted blocks to the SE for storing, and inform the PE about the hash value of each of the transmitted blocks and corresponding storage location information of the transmitted blocks.
US10819502B2 Method for symmetric block encryption or decryption
The present invention relates to a method for symmetrical encryption or decryption of a data block from a secret key (K), the method comprising steps of: permutation (100) of at least one portion of the secret key (K) by means of a first permutation table (PC1′) so as to produce initial data, execution of several iterations, an iteration comprising steps of: rotation (102) of data dependent on the initial data so as to produce shifted data, permutation (104) of the shifted data by means of a second permutation table (PC2′) so as to produce a round key, execution of a plurality of encryption rounds (200) from the data block, an encryption round (200) using one of the round keys, generation of at least one of the permutation tables (PC1′, PC2′), the generation comprising determination of at least one function (F, G) variable from one encryption or decryption to another, composition of said function (F, G) with a predetermined permutation table (PC1, PC2), application of the inverse of said function (F, G) to data dependent on the data produced by the permutation step (100, 104) using the generated permutation table (PC1′, PC2′).
US10819496B2 Method and apparatus for resource allocation for half duplex frequency division duplexing in a wireless communication system
A method and apparatus for resource allocation for half duplex frequency division duplexing in a wireless communication system is provided. Fixed or variable HARQ timing of greater than 5 subframes may be implemented. Acknowledgements for multiple downlink (uplink) transmissions can be bundled into a single acknowledgement transmitted on an uplink (downlink) control channel. Bundled acknowledgements for downlink transmissions may also be provided. Variable lead time cross subframe scheduling may be provided in which the number of subframes of delay between an uplink or downlink grant and the corresponding scheduled uplink or downlink transmission changes based on other scheduled events and/or half-duplex transceiver availability in the appropriate mode. The scheduling may select the earliest available subframe after a minimum delay. Uplink grant bundling may also be performed, in which multiple uplink grants are transmitted via a single grant indication.
US10819495B2 Time-division duplex frame structure for narrowband communications
There is a need to support TDD frame structure for narrowband communications. The present disclosure provides a solution by supporting one or more TDD frame structure(s) for narrowband communications. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may transmit information associated with a TDD frame structure for narrowband communications. The apparatus may receive a first symbol group of a first narrowband physical random access channel (NPRACH) preamble from a UE. In one aspect, a first length of the first symbol group may be associated with the TDD frame structure.
US10819494B2 Method for receiving and transmitting data in full duplex system
The present disclosure relates to a 5G or pre-5G communication system to be provided for supporting a higher data transmission rate after a 4G communication system such as LTE. A method for receiving a packet by a second receiver in a network for supporting full duplex communication between three or more different nodes on the basis of a destination, according to an embodiment of the present invention, may comprise the steps of overhearing a request-to-send (RTS) signal transmitted by a first transmitter to a first receiver; generating information on the strength of an interference signal between the first transmitter and a node using information on the reception strength of the overheard RTS signal; reporting, to a second transmitter, the generated information on the strength of the interference signal between nodes; and when packet data is received from the second transmitter, demodulating and decoding the packet data, and transmitting a response signal.
US10819493B2 Wireless communication apparatus and wireless communication method
A wireless communication apparatus is capable of improving communication efficiency by reducing the amount of control information transmitted. A channel quality information extraction section extracts CQI's from a received signal. An allocation control section allocates subcarriers for every communication terminal apparatus and selects a modulation scheme in such a manner that required transmission rate is satisfied for each communication terminal apparatus based on required transmission rate information, etc. and CQI's for communication terminal apparatus of each user. A required subcarrier number determining section decides the number of subcarriers allocated to every communication terminal apparatus so as to satisfy the required transmission rate for each communication terminal apparatus. A required subcarrier number information generating section generates information for the number of subcarriers allocated to every communication terminal apparatus. A subcarrier allocation section allocates packet data to selected subcarriers. Modulating sections adaptively modulate packet data allocated to each subcarrier.
US10819492B2 Information feedback method, transmission method, feedback device and transmission device
The present document discloses a method for feeding back information, a method for transmitting information, an apparatus for feeding back information, and an apparatus for transmitting information, herein the method for feeding back information includes a second transmission node acquiring configuration information transmitted by a first transmission node; the second transmission node acquiring channel state information in a time window according to the configuration information; and the second transmission node feeding back the channel state information in a unit of subframe set.
US10819491B2 Method and device for channel state reporting
The present invention relates to a method for channel state reporting in a wireless communication system, wherein the method is performed by a terminal and includes the steps of: receiving a setting for a limited measurement resource, a first set of CSI subframes, or a second set of CSI subframes for channel state measurement; calculating the value of a channel state of a specific type according to whether a reference resource for the channel state measurement corresponds to the first set of CSI subframes or the second set of CSI subframes; and transmitting the calculating value of the channel state to a serving base station, wherein the value of the channel state may be one of a first type of channel quality indicator (CQI) that is not affected by the interference base station in the cannel are partially removed, or a third type of CQI from which the effects of the interference signal of the main interference base station are not removed.
US10819487B2 Pilot transmission method, terminal device, and network device
This application provides a pilot transmission method, including: determining, by a first terminal device, a target first pilot and a target second pilot group corresponding to the target first pilot, where the target first pilot is used by a network device to perform terminal device detection, and the target second pilot group includes at least two second pilots; and sending, by the first terminal device, the target first pilot and the target second pilot group to the network device in a time unit, where each second pilot in the target second pilot group is repeatedly sent on at least two symbols of the time unit, and the target second pilot group is used by the network device to perform frequency offset estimation.
US10819486B2 Sounding reference signal transmission and reception methods, apparatus, system, and storage medium
Disclosed is a sounding reference signal (SRS) transmission method. The method comprises: determining a resource on an unlicensed carrier for transmitting an SRS; and transmitting the SRS according to the determined resource. The invention solves a problem in the prior art in which transmitting an SRS on an unlicensed carrier is less feasible, thereby increasing feasibility of transmitting an SRS on an unlicensed carrier. Also disclosed are an SRS reception method, an apparatus, a system, and a storage medium.
US10819478B2 Extended range mode transmission method and apparatus
Embodiments of the present invention provide an extended range SU mode PPDU transmission method and apparatus. The method comprises: generating an extended range SU mode PPDU, wherein a legacy preamble part in the extended range SU mode PPDU is transmitted by using a bandwidth of 20 MHz, a data part in the extended range SU mode PPDU is transmitted by using a narrowband, and a bandwidth in the narrowband transmission comprises at least one of the following parameters: a 26-tone RU, a 52-tone RU, a 106-tone RU, or a 242-tone RU; and sending the extended range SU mode PPDU. By applying the method and the apparatus in the embodiments of the present invention, transmission reliability of the data part is improved, performance of parts in the PPDU in an EXT SU mode is more balanced, and a coverage area of long-distance transmission is ensured.
US10819477B2 Digital wireless distributed communications system (WDCS) employing a centralized spectrum chunk construction of communications channels for distribution to remote units to reduce transmission data rates
Digital wireless distributed communications systems (WDCS) employing a centralized spectrum chunk construction of communications channels for distribution to remote units are disclosed. Individual, discrete communications channels received from one or more signal sources are centrally constructed into spectrum chunks before being distributed to remote units. When the communications channels are constructed into spectrum chunks, the individual communications channels are positioned in their respective defined center radio frequency (RF) frequencies of their respective communications band before being distributed to the remote units. Thus, the remote units do not have to include the additional cost and associated power consumption of processing circuitry to construct the communications bands for individual communications channels. The remote units can up-convert the received spectrum chunks, which have already been centrally band constructed, to their respective frequencies according to their communication band(s).
US10819472B2 Method for performing HARQ by using polar code having random length
The present specification provides a method for performing a physical layer security-based hybrid automatic repeat request (HARQ). The method comprises the steps of: generating a first code comprising information bits for forming data to be transmitted, and non-information bits which are unrelated to the data to be transmitted; generating a second code, having a length which differs from that of the first code, by puncturing the first code; determining locations of the information bits and non-information bits within the second code such that a variance of mutual information for each of the information bits and the non-information bits is maximized; and performing the HARQ by using the second code in which the locations of the information bits and the non-information bits are determined.
US10819471B2 Protocols for multiple user frame exchanges
Certain aspects of the present disclosure provide methods and apparatus for multi user bar protocols and frames. According to certain aspects, an apparatus is provided for wireless communications. The apparatus generally includes a processing system configured to determine that a plurality of devices have a first capability and generate a multi-user (MU) packet that solicits an immediate response from a plurality of the devices, wherein the immediate response comprises an acknowledgment (ACK) or block ACK (BA) and an interface configured to output the MU packet for transmission.
US10819468B2 Stochastic linear detection
Apparatuses, systems, and methods are disclosed for stochastic linear detection. A digital signal processor determines information about a plurality of transmitted signals based on a plurality of received signals. An initialization module determines an estimator matrix and a noise shaping matrix based on channel state information that relates the transmitted signals to the received signals. A sample generation module stochastically generates a plurality of signal estimates so that each signal estimate is a sum of a fixed component and a random component. The fixed component may be based on applying the estimator matrix to a vector of the received signals, and the random component may be based on applying the noise shaping matrix to generated noise. An output module sends soft information to an error-correcting code (ECC) decoder for decoding bits carried by the transmitted signals. The soft information may be based on the plurality of signal estimates.
US10819464B2 Data processing method, precoding method, and communication device
An encoder outputs a first bit sequence having N bits. A mapper generates a first complex signal s1 and a second complex signal s2 with use of bit sequence having X+Y bits included in an input second bit sequence, where X indicates the number of bits used to generate the first complex signal s1, and Y indicates the number of bits used to generate the second complex signal s2. A bit length adjuster is provided after the encoder, and performs bit length adjustment on the first bit sequence such that the second bit sequence has a bit length that is a multiple of X+Y, and outputs the first bit sequence after the bit length adjustment as the second bit sequence. As a result, a problem between a codeword length of a block code and the number of bits necessary to perform mapping by a set of modulation schemes is solved.
US10819461B2 Optical communication method and system
The invention relates to optical communication methods and systems. In particular, the invention relates to an optical communication method and system which is configured to create a multiplexed beam from an incident beam, wherein the multiplexed beam comprises a predetermined number of spatial modes simultaneously generated and multiplexed together in a fashion that is independent of wavelength. The spatial modes have two degrees of spatial freedom. The multiplexed beam is de-multiplexed downstream from multiplexing thereof in the communication system in a simultaneous fashion independent of wavelength to yield the predetermined number of spatial mode. The modes are used in optical communication as channels or as bits in a bit (de) encoding scheme.
US10819460B2 High capacity and resilience optical network design
An optical network is provided that includes at least one strand of a plurality of strands of optical fiber optically connected to a first fiber distribution hub and an access terminal. The at least one strand optically is also connected to a second fiber distribution hub and the access terminal. The at least one strand thus provides a full duplex optical path in a first direction from the first fiber distribution hub to the access terminal and in a second direction from the second fiber distribution hub to the access terminal.
US10819453B2 Method for determining geometric information of devices in millimeter-wave networks
A method for determining geometric information of mmWave network devices is provided, comprising collecting measures, by at least one of the devices, of signal strength and SNR of a transmission received from another device of the mmWave network; the step of estimating angle information of the received signal to generate a set of informed particles (Pi) comprising the initial values of the state of each informed particle input in a modified particle filter; the modified particle filter causing the evolution of the set of informed particles (Pi) and of past particles (Pp) to obtain a set of evolved particles (Pe) which at the same time evolves to obtain a set of posterior particles (PPost) delivered by the modified particle filter. Finally, the modified particle filter delivers as output the final values of the geometric information of at least one device extracted from the delivered set of posterior particles (PPost).
US10819452B2 Optimization of a multiple-input synchronous transfer network
A method for wireless communication is provided. In some implementations, the method includes receiving, by a first device, a first packet from a second device in a network. The method further includes comparing, by the first device, a first received signal strength of the first packet to a second received signal strength of a second packet associated with a third device, the third device associated with the first device in the network. The method further includes transmitting, by the first device and based on to the comparing, a third packet to the second device, the third packet indicating a disassociation of the first device with the third device and an association of the first device with the second device.
US10819447B2 Periodic calibration for communication channels by drift tracking
A method and system that provides for execution of a first calibration sequence, such as upon initialization of a system, to establish an operation value, which utilizes an algorithm intended to be exhaustive, and executing a second calibration sequence from time to time, to measure drift in the parameter, and to update the operation value in response to the measured drift. The second calibration sequence utilizes less resources of the communication channel than does the first calibration sequence. In one embodiment, the first calibration sequence for measurement and convergence on the operation value utilizes long calibration patterns, such as codes that are greater than 30 bytes, or pseudorandom bit sequences having lengths of 2N−1 bits, where N is equal to or greater than 7, while the second calibration sequence utilizes short calibration patterns, such as fixed codes less than 16 bytes, and for example as short as 2 bytes long.
US10819446B2 Radar transmitting power and channel performance monitoring apparatus
According to aspects of the present disclosure, a radar transmitting power and channel performance monitoring apparatus is disclosed. In one example, such apparatus may include a plurality of couplers, power combiners of multiple stages, and a power monitoring module, wherein the couplers are connected with transmitter/receiver modules of the radar, and each coupler may be configured to collect a transmitting power of a corresponding transmitter/receiver module. Further, the power combiners may be configured to combine the transmitting power collected by each coupler and input the resultant total power to the power monitoring module, and the power monitoring module may be configured to monitor the total power. In addition, aspects of the present disclosure may test an amplitude and phase consistency of the transmitting and receiving channels of each T/R module of radar to ensure the performance of the radar system.
US10819441B2 Adaptive digital filtering in an optical receiver
A self-coherent optical data receiver configured to use direct detection of optical signals that is compatible with full (amplitude/phase) electric-field reconstruction. To enable the latter, the direct-detected optical signal includes CW light whose carrier frequency is spectrally aligned with a roll-off edge of the data-modulated portion of the signal. In an example embodiment, the receiver may employ two digital filters placed upstream and downstream, respectively, of the field-reconstruction circuit. The upstream filter is configurable to at least partially cancel the effects of SSBI caused by the direct detection. The downstream filter can be configured to perform electronic dispersion compensation and/or electronic polarization demultiplexing. In different embodiments, a filter controller may operate to adaptively change the filter coefficients of the upstream filter based on different signals generated within the digital receive chain. For example, the filter controller can use either input or output of the downstream filter for this purpose.
US10819438B1 Optical grooming interconnection network
A system, apparatus, and method for an optical grooming network; wherein a set of switches form an optical grooming interconnection system where each switch is communicatively coupled to each other switch; a set of clients; where each switch of the set of switches is communicatively coupled to a client of the clients; wherein each client receiver is enabled to communicate through the set of switches to any client or modem; and a set of coherent optical modems; wherein each coherent optical modem is communicatively coupled to a switch of the set of switches; wherein each client of the clients is able to communicate through the set of switches to every coherent optical modem of the set of coherent optical modems, and each coherent optical modem in the set of coherent optical modems can communicate to every coherent optical modem of the set of coherent optical modems.
US10819436B2 Base station apparatus, ground station device, and ground antenna device
A base station apparatus includes a ground station device and a plurality of ground antenna devices coupled to the ground station device via an optical transmission path. The ground station device performs electrical-optical conversion on an analog electrical signal to be transmitted to a mobile station and a reference clock signal to generate optical signals, performs wavelength division multiplexing on the obtained optical signals to generate a multiplexed optical signal, and outputs the multiplexed optical signal to the optical transmission path. Each of the plurality of ground antenna devices demultiplexes the multiplexed optical signal input from the optical transmission path into demultiplexed optical signals, performs optical-electrical conversion on the demultiplexed optical signals to generate electrical signals, up-converts a frequency of the analog electrical signal obtained through the optical-electrical conversion based on the reference clock signal obtained through the optical-electrical conversion to generate an up-converted signal, and transmits the up-converted signal to the mobile station.
US10819428B2 Transmitting method, transmitting apparatus, and program
A transmitting method includes: receiving a dimming ratio which is specified for a light source as a specified dimming ratio (S551); transmitting a signal encoded in a first mode by changing luminance while causing the light source to emit light at the specified dimming ratio when the specified dimming ratio is less than or equal to a first value; and transmitting the signal encoded in a second mode by changing the luminance while causing the light source to emit light at the specified dimming ratio when the specified dimming ratio is greater than the first value (S552). Here, a peak current value of the light source when the specified dimming ratio is greater than the first value and less than or equal to a second value is less than the peak current value of the light source when the specified dimming ratio is the first value.
US10819425B2 Transimpedance amplifier for receiving burst optical signal
A transimpedance amplifier converts an input current to a differential signal and outputs the differential signal. The transimpedance amplifier includes a single-ended amplifier configured to convert a current signal to a voltage signal, a first feedback circuit configured to generate a bypass current, a differential amplifier circuit configured to generate the differential signal in accordance with the difference between the voltage signal and a reference voltage signal, and a detector circuit configured to detect a start and an end of a burst optical signal. The detector circuit detects the end of the burst optical signal based on a peak value of the positive-phase component and a peak value of the negative-phase component and switches the time constant of the first feedback circuit from a first time constant to a second time constant smaller than the first time constant in response to detecting the end of the burst optical signal.
US10819424B2 Apparatus and method for monitoring optical links
A method in a transceiver apparatus for monitoring an optical link over which one or more data signals are to be transmitted comprises time interleaving a test signal with an auxiliary management and control channel, AMCC, signal to form a time-interleaved signal. The time-interleaved signal is transmitted with one or more downstream data signals over the optical link. A backscattered test signal is received to monitor the optical link.
US10819421B2 Robust beam switch scheduling
Systems and methods are described for robust scheduling of beam switching patterns in satellite communications systems. Embodiments operate in context of a hub-spoke satellite communications architecture having a number of gateway terminals servicing large numbers of user terminals over a number of spot beams. The satellite includes switching subsystems that distribute capacity to the user beams from multiple of the gateway terminals in a shared manner according to a beam group switching pattern. The beam group switching pattern is robustly formulated to continue distributing capacity during gateway outages (e.g., when one or two gateway terminals are temporarily non-operational due to rain fade, equipment failure, etc.). For example, the beam group switching pattern can be formulated to minimize worst-case degradation of capacity across user beams, to prioritize certain beams or beam groups, etc.
US10819419B2 Timing synchronization for a beam hopping satellite
A system and method for timing synchronization of satellite switching instants with gateway switching instants is described. The method includes: generating satellite switching instants according to a Beam Hopping Time Plan (BHTP); generating gateway switching instants according to the BHTP; transmitting a channel addressed to a plurality of beams hopped according to the BHTP based on the gateway switching instants, wherein each of the plurality of beams includes a signal including timing markers and a guard period at an end of the signal for the respective beam; receiving a synchronization information, without a loopback beam, for one of the plurality of beams; determining an adjustment period and an adjusted symbol rate for the generating of the gateway switching instants, based on the synchronization information, for a transmission of the channel such that at least a portion of the guard period in a respective signal for a respective beam aligns with one of the satellite switching instants; and adjusting a timing and a symbol rate of the transmission according to the adjustment period and the adjusted symbol rate, respectively.
US10819414B2 Methods and devices for beam tracking
A wireless communication device according to some aspects includes an output determiner configured to determine first weighted signals for a plurality of antennas with first beamforming weights, a selector configured to select, from the plurality of antennas, a reference antenna based on signal powers of the first weighted signals, a weight controller configured to determine second beamforming weights for a predetermined number of antennas of the plurality of antennas based on a difference between the first weighted signal of the reference antenna and the first weighted signals of the predetermined number of antennas, the output determiner further configured to determine second weighted signals for the plurality of antennas with the second beamforming weights.
US10819413B2 Beam tracking in wireless communication
A base station is configured to provides a beam change feedback channel for a user equipment to communicate unsolicited beam change feedback to the base station. If the user equipment determines that a beam other than the beam to which the user equipment is tuned has a stronger signal, the user equipment initiates a transmission on the beam change feedback channel to the base station indicating a beam change. The base station uses the feedback from the user equipment to update the beam to the user equipment.
US10819412B2 Codebook-based signal transmission/reception method in multi-antenna wireless communication system, and device for same
A method for transmitting and receiving a signal based on a codebook in a multi-antenna wireless communication and a device therefor are disclosed. Specifically, a method for transmitting and receiving a signal by a UE on the basis of a codebook in a 2-dimensional multi-antenna wireless communication system includes: receiving a channel state information-reference signal (CSI-RS) from an eNB through multiple antenna ports; and reporting channel state information to the eNB, wherein the channel state information includes a precoding matrix indicator (PMI), the PMI includes a first PMI for selecting a precoding matrix set from the codebook and a second PMI for selecting a precoding matrix from the precoding matrix set, pairs of indexes of a first dimension and indexes of a second dimension of precoding matrices belonging to the precoding matrix set are (x,y), (x+2,y), (x,y+1) and (x+1,y+1), and x and y are integers which are not negative numbers.
US10819410B2 Selecting physical uplink control channel (PUCCH) resources for channel state information
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a set of physical uplink control channel (PUCCH) resources to be used to transmit a channel state information (CSI) payload based at least in part on a first rank that is independent of a second rank used to construct the CSI payload; and transmit the CSI payload, to a base station (BS), using one or more resources from the set of PUCCH resources. Numerous other aspects are provided.
US10819405B2 Mitigating beam squint in millimeter wave wireless communication systems
A method for managing beam squint in a phased antenna array system operating at millimeter wavelengths using carrier aggregation includes determining a minimum array gain threshold, determining an upper bound for a fractional bandwidth for a fixed number of antennas, and constructing a codebook with a predetermined coverage range based on at least one of an angle of arrival or an angle of departure and further based on the upper bound. The method further includes performing carrier aggregation for the fixed number of antennas and selecting at least two antennas based on the codebook.
US10819404B2 Wireless apparatus and wireless communication method
A wireless apparatus includes a first weight multiplication part, a channel estimation part, a channel response conversion part, and a second weight generation part. The first weight multiplication part includes first weights, each of which corresponds to an individual one of a plurality of beams, and multiplies a signal(s) corresponding to a reference signal(s) transmitted from a wireless terminal(s) by the first weights. The channel estimation part estimates first channel responses for the respective beams by using the signals obtained by the multiplication by the first weights. The channel response conversion part converts the first channel responses into second channel responses by using the first weights. The second weight generation part generates second weights used for wireless communication with the wireless terminal(s) by using the second channel responses.
US10819402B1 Grouping UEs for MU-MIMO service based on commonality of primary serving carriers
When a base station is serving a plurality of devices on a common carrier and the base station is considering which subset of the UEs to group together with each other for MU-MIMO service, the base station could base the decision on a determination of whether the base station is serving the UEs of the subset on a common primary carrier. Or faced with a choice of which subset of UEs to group together with each other for MU-MIMO service, the base station could give priority to grouping UEs that the base station is serving on a common primary carrier, as compared with UEs that the base station is serving on a common carrier but not on a common primary carrier.
US10819399B2 Method for transmitting analog beam-related information in wireless communication system, and entity using method
The present invention provides a method by which a first entity transmits analog beam-related information in a wireless communication system, the method: determining analog beam-related information to be transmitted; and transmitting the analog beam-related information to a second entity on the basis of the determination.
US10819394B1 Detection of NFC proximity IC cards (PICCs) during wireless charging
Embodiments detect the presence of proximity integrated circuit cards (PICCs) during wireless charging by analyzing the signal strength of a subcarrier within a near field communication (NFC) field. An NFC reader sends requests or other commands to stimulate a response from a PICC that may be in the operating area, and the presence of a PICC is determined based upon the signal strength for the subcarrier. For one embodiment, the subcarrier signal strength is compared to background values measured without stimulus to determine if a PICC is present in the operating area. As such, the presence of a PICC is detectable even where NFC communication with a PICC is unsuccessful because the PICC response is corrupted or not detectable due to interference. Once the presence of a PICC is determined, one or more actions can be taken to protect the PICC from damage due to wireless charging.
US10819390B2 DMRS transmission method and communications device
This application provides a Demodulation Reference Signal (DMRS) transmission method and a communications device. The method includes: determining, by a communications device, a current mode of a resource scheduling unit, where the current mode is a frequency hopping mode or an aggregation mode, and performing, by the communications device, DMRS mapping or demapping by using a DMRS pattern corresponding to the current mode, where a location of a symbol occupied by a DMRS in the DMRS pattern corresponding to the current mode is different from a location of a symbol occupied by a DMRS in a preset DMRS pattern. In embodiments of this application, a location of a symbol occupied by a DMRS can be flexibly selected depending on different modes. Therefore, requirements of the different modes can be satisfied in the embodiments of this application, thereby improving network performance.
US10819388B2 Transmission device, reception device, and communication method
In a case that a large number of terminal apparatuses accommodated in a contention based radio communication technology share a frequency resource, the number of data signals of the terminal apparatuses which are non-orthogonally multiplexed in the spatial domain increases. Therefore, in a case that the number of non-orthogonally multiplexed data signals of the terminals is considerably large, residual interference after removing interference in the reception processing degrades transmission performance. A transmission device for transmitting a data signal to a reception device includes a transmission processing unit configured to transmit the data signal without receiving SR transmission and control information for transmission authorization transmitted by the reception device, an identification signal multiplexing unit configured to multiplex an identification signal on an orthogonal resource, and a control information receiving unit configured to receive in advance a transmission parameter associated with the data signal transmission. The transmission parameter includes any of a first data transmission to transmit the data signal by using a continuous frequency resource and a second data transmission to transmit the data by using a discontinuous and equal interval frequency resource.
US10819387B2 Reliable orthogonal spreading codes in wireless communication
Techniques of transmitting wireless communications involve generating orthogonal spreading codes for any number of user devices that are linear combinations of sinusoidal harmonics that match the frequencies within the spread bandwidth. Along these lines, prior to transmitting signals, processing circuitry may generate a set of initial code vectors that form an equiangular tight frame having small cross-correlations. From each of these rows, the processing circuitry produces a new spreading code vector using a code map that is a generalization of a discrete Fourier transform. The difference between the code map and a discrete Fourier transform is that the frequencies of the sinusoidal harmonics are chosen to match the particular frequencies within the spread bandwidth and differ from a center frequency by multiples of the original unspread bandwidth. Different transmitters may then modulate respective signals generated with different spreading code vectors.
US10819385B2 Circulator distortion cancellation subsystem
A telecommunications system may include a distortion cancellation subsystem for use with a circulator device coupling an antenna to a transmit path and a receive path. The distortion cancellation subsystem may include a correction circuit and a cancellation circuit. In some aspects, the correction circuit may include a processing device or adaptive filter to correct imperfections in transmit signal samples generated by directional couplers. The correction circuit may also include a summing device to remove receive signal components from the transmit signal samples. The cancellation circuit may receive the output signal of the correction circuit via an adaptive filter. The output of the adaptive filter may be summed with a receive signal to minimize distortion of the receive signal.
US10819379B2 Intrinsically linear, digital power amplifier employing nonlinearly-sized RF-DAC, multiphase driver, and overdrive voltage control
A digitally-controlled power amplifier (DPA) includes a radio frequency digital-to-analog converter (RF-DAC) constructed from nonlinearly weighted PA segments, a multiphase RF drive signal generator that drives the PA segments, and overdrive voltage control circuitry. The nonlinear weighting of the PA segments intrinsically compensates for amplitude-code-word dependent amplitude distortion (ACW-AM distortion) involved in the operation of the RF-DAC and the multiphase RF drive signal generator facilitates ACW-dependent phase distortion (ACW-PM distortion) reduction, thus obviating the need for complicated and efficiency-degrading digital predistortion. The overdrive voltage control circuitry is used to fine tune the RF output of the DPA and compensate for other non-idealities and external influences such as process, voltage, temperature (PVT), frequency and/or load impedance variations.
US10819377B1 Radio frequency to optical transmitter
A transmitter. In some embodiments, the transmitter has an electrical input and an optical output. The transmitter may include a light source; an optical amplitude modulator having an optical input connected to the light source, a modulation input connected to the electrical input, and an output; and a first gated optical comparator, having a sampling clock input, an analog input connected to the output of the optical amplitude modulator, and an output. The first gated optical comparator may be configured to generate, for each cycle of an optical sampling clock signal received at the sampling clock input, a one-bit digital representation of an analog optical signal received at the analog input.
US10819376B2 Microwave switched multiplexer and a mobile telecommunications device including such a multiplexer
A microwave switched multiplexer having a bandpass Δf between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising an input microwave resonant waveguide; an output microwave resonant waveguide; and, n transmission channels where n>1, each transmission channel coupled to the input microwave resonant waveguide and the output microwave resonant waveguide, each transmission channel having a transmission bandpass at a center frequency within Δf, the center frequencies of the transmission channels being equally spaced apart in frequency by Δf/n; each transmission channel comprising (a) an input resonator coupled to the input microwave resonant waveguide; (b) an output resonator coupled to the output microwave resonant waveguide: (c) a center resonator coupled to the input and output resonators, the three resonators being coupled together in cascade; (d) a tuning mechanism connected to the center resonator and adapted to be switched between on and off states, in the on state the resonant frequency of the center resonator being the same as that of the input and output resonators and in the off state the resonant frequency of the center resonator being outside the bandpass Δf.
US10819375B2 Client wireless device that merges functions of upper MAC layer to support WLAN modules operating simultaneously in different wireless bands
A simultaneous client wireless device includes wireless modules configured to perform communication functions of lower MAC (media access control) and PHY (physical) layers for wireless radios operable in multiple wireless bands. The simultaneous client wireless device also includes a communication module configured as an intermediate layer between the lower MAC layer of the wireless modules and a network layer. The communication module is configured to use an application programming interface to retrieve information from the lower MAC layer and write information to the lower MAC layer of each wireless module, perform communication functions of an upper MAC layer for the wireless bands, and manage simultaneous communications over the wireless bands. The communications over the wireless bands can use a local area network protocol.
US10819374B2 Accelerated processing for maximum distance separable codes using composite field extensions
Disclosed apparatus and method improve the computational efficiency of encoding and decoding data having erasures according to a maximum distance separable (MDS) code based on a Reed-Solomon code. Thus, n encoded fragments are formed by multiplying k data fragments by an n×k generator matrix for the MDS code. The code is formed by reducing, in the generator matrix to the extent possible, the size of the finite field to which entries belong—in some cases to the base field having only two elements. In this way, unlike codes known in the art, the generator matrix has more than one column whose entries each take values in the finite field having two elements. In some cases, the generator matrix has a column whose entries each take values in one or more intermediate fields between the finite field having two elements and the encoding field.
US10819361B2 Capacitor structure with correlated error mitigation and improved systematic mismatch in technologies with multiple patterning
Capacitor arrays and methods of operating a digital to analog converter are described. In an embodiment, a capacitor array includes a unit capacitor (Cu) structure characterized by a unit capacitance value, a plurality of different super-unit capacitor structures, and a plurality of different sub-unit capacitor structures, each different sub-unit capacitor structure having a different capacitance defined by a division of the unit capacitance value.
US10819359B2 Inverter-based successive approximation capacitance-to-digital converter
An energy-efficient capacitance-to-digital converter (CDC) is provided that utilizes a capacitance-domain successive approximation (SAR) technique. Unlike SAR analog-to-digital converters (ADCs), analysis shows that for SAR CDCs, the comparator offset voltage will result in signal-dependent and parasitic-dependent conversion errors, which necessitates an op-amp-based implementation. The inverter-based SAR CDC contemplated herein provides robust, energy-efficient, and fast operation. The inverter-based SAR CDC may include a hybrid coarse-fine programmable capacitor array. The design of example embodiments is insensitive to analog references, and thus achieves very low temperature sensitivity without the need for calibration. Moreover, this design achieves improved energy efficiency.
US10819357B2 Phase detection circuit, and clock generation circuit and semiconductor apparatus including the phase detection circuit
A phase detection circuit is configured to receive an input clock signal and a reference clock signal. The phase detection circuit is configured to generate a divided clock signal from the reference clock signal. The phase detection circuit is configured to generate a phase detection signal after comparing the phase of the input clock signal with the divided clock signal.
US10819350B2 Clock signal generating circuit and method for generating clock signal
The present invention provides a clock generating circuit, wherein the clock generating circuit includes a phase detector, an integral path, a proportional path, a bias path and an oscillator. In the operations of the clock generating circuit, the phase detector generates a detection result according to a reference signal and a feedback signal, a first charge pump within the integral path generates a first control signal according to the detection result, a second charge pump within proportional path generates a second control signal according to the detection result, a low-pass filter within the bias path filters the first control signal to generate a third control signal, and the oscillator generates a clock signal according to the first control signal, the second control signal and the third control signal.
US10819349B2 Parallel fractional-N phase locked loop circuit
Novel phase locked loop architectures that can overcome the limitation of the maximum operating frequency of the fractional-N phase-locked loop (PLL) for fast-chirp frequency modulated continuous wave (FMCW) radars are suggested. Several phase frequency detector and charge pumps (PFD&CPs) are put in parallel and are operated with reference signals that are generated by using a delay-locked loop (DLL) instead of further increasing the operating frequency of the PFD&CP. The proposed DLL supported parallel PLL architectures enable further speeding up the FMCW chirp as well as improving its linearity and the performance of Range Doppler Radars based on fast-chirp FMCW radar. Methods for operating the parallel fractional N phase locked loop are proposed.
US10819348B2 System of referenceless clock and data recovery and frequency detector thereof
A system of referenceless clock and data recovery and a frequency detector thereof has been provided. The output clock of the system initially works at the lowest frequency, the frequency of the output clock is monotonically increased in accordance with the control of the frequency detector, thereby gradually approximating a target value. The edge extraction circuit receives the data signal and the clock signal, identifies the transition edges of the signals and generates a data transition signal and a clock transition signal representing the transition edges of the data signal and the transition edges of the clock signal respectively. The edge detector then determines the data period of the data signal and the clock period of the clock signal. When the data period is smaller than half of the clock period, the edge detector generates a frequency-up signal and the frequency of the output clock is increased.
US10819343B2 Flip-flop with soft error tolerance
Described is soft error tolerant flip-flop which comprises hardened sequential elements to reduce latch soft error rate. The flip-flop may include a master latch; and a slave latch coupled to the master latch, wherein only one of the master or slave latch of the flip-flop comprises hardened latch circuitry. For example, only the master latch comprises the hardened latch circuitry.
US10819342B2 Low-power low-setup integrated clock gating cell with complex enable selection
A low-power low-setup integrated clock gating (ICG) cell is disclosed. The disclosed ICG cell includes a NOR gate configured to receive an enable (E) signal and a test enable (SE) signal, and to output an EN signal. The ICG cell may include a complex gate configured to receive the EN signal and a clock (CK) signal, and to output a latched enable (ELAT) signal. The ICG cell may further include a NAND gate configured to receive the ELAT signal and the CK signal, and to output an inverted enabled clock (ECKN) signal. The ICG cell may further include an inverter configured to receive the ECKN signal from the NAND gate, and to output an enable clock (ECK) signal.
US10819340B2 Living body detection method and apparatus
A method of detecting possible living body contact at an electrical contact surface, wherein the living body has a detectable characteristic initial impedance and a corresponding characteristic time constant defined by the initial impedance upon touching the electrical contact surface when the electrical contact surface is at a touching voltage, wherein the method comprises sending a non-hazardous probing signal to the contact surface, wherein the probing signal comprises one probing pulse or a plurality of probing pulses forming a probing pulse train, and the probing pulse has a base voltage level and a probing voltage level which is above the base voltage level and equal to the touching voltage or a probing voltage level which is below the base voltage level and equal to the touching voltage; detecting an electrical response from the contact surface in response to the electrical probing signal, wherein the electrical response comprises electrical response signals; and determining from the electrical response signals whether there is possible living body contact at the electrical contact surface.
US10819339B2 Capacitive touch sensing circuit
A capacitive touch sensing circuit includes a first switch to a fourteenth switch, an operational amplifier, a comparator, a detection capacitor, a feedback capacitor, an amplifier capacitor and a mutual inductance capacitor. The tenth switch is coupled between a first node and a second node respectively coupled to a negative input terminal and an output terminal of operational amplifier. The amplifier capacitor is coupled between a third node and a fourth node. The eleventh switch is coupled between the first node and the third node. The twelfth switch is coupled between the second node and the fourth node. The thirteenth switch is coupled between the third node and the second node. The fourteenth switch is coupled between the fourth node and the first node. The capacitive touch sensing circuit sequentially operates under a first charging phase, a first transfer phase, a second charging phase and a second transfer phase.
US10819336B2 Electronic switch and dimmer
A bidirectional switch for the control of power from an AC source to a load is described. The approach uses power MOSFETs in a bidirectional switch subcircuit configuration having an optically coupled, electrically floating control circuit that self-biases the switches into the “on” state and uses an optically coupled control element to force the switches into the “off state. The time constant of the control circuit is fast enough to allow phase control as well as on-off control. A boost circuit is included to ensure that the control voltage exceeds a threshold voltage of the MOSFETs to force an off state. A plurality of subcircuits can be easily cascaded to provide improved performance.
US10819335B2 Reference voltage circuit and power-on reset circuit
A reference voltage circuit includes a first output terminal from which a first reference voltage is supplied; a first MOS transistor of a depletion type, the first MOS transistor containing a drain connected to a power supply terminal, a gate connected to a ground terminal, and a source; a first voltage drop circuit including a first end connected to the source of the first MOS transistor and a second end connected to the first output terminal; and a second MOS transistor of a depletion type, the second MOS transistor containing a drain connected to the first output terminal, a gate connected to the ground terminal, and a source connected to the ground terminal.
US10819333B2 Timing controller resetting circuit and a display device including the same
A timing controller resetting circuit including: a resistor connected to an output node from which a reset signal is output and a first voltage source which supplies a first voltage; a capacitor connected to the output node and a second voltage source which supplies a second voltage that is lower than the first voltage; a reference voltage source configured to generate a reference voltage that is lower than the first voltage and higher than the second voltage; a comparator including a first input terminal which receives the first voltage, a second input terminal which receives the reference voltage, and an output terminal which outputs a comparison result signal generated by comparing the first voltage with the reference voltage; and a transistor including a first terminal which is connected to the output node, a second terminal which receives the second voltage, and a gate terminal which receives the comparison result signal.
US10819332B2 Driving circuit of a power circuit and a package structure thereof
An integrated circuit includes a first power transistor, a second power transistor, and an isolator. The first power transistor is integrated with a first driving circuit. The second power transistor is integrated with a second driving circuit. The isolator provides a first control signal and a second control signal to the first power transistor and a second power transistor respectively, according to an input signal.
US10819328B2 PWM modulator having quantizer with controllable analog gain and calibratable for multi-non-ideal gain-affecting characteristics
A PWM modulator has a quantizer that generates a PWM output signal to speaker driver. When a first voltage swing range is supplied to the speaker driver, the quantizer analog gain is controlled to be a first gain value. When a second PWM drive voltage swing range is supplied to the speaker driver, the analog gain is controlled to be a second gain value. The first and second gain values of the analog gain of the quantizer cause the combined gain of the quantizer and driver to be approximately equal in the two modes. The quantizer has at least two gain-affecting measurable non-ideal characteristics. The quantizer is adjustable using measured first and second values to correct for first and second of the at least two non-ideal characteristics. The gain of the quantizer is calibratable while the quantizer is adjusted using the measured first and second measured values.
US10819327B2 Duty timing detector detecting duty timing of toggle signal, device including duty timing detector, and operating method of device receiving toggle signal
A duty timing detector includes a saw-tooth voltage generator that outputs a saw-tooth voltage in synchronization with a toggle signal repeatedly transitioning between a high level and a low level. A sample block obtains a level of the saw-tooth voltage in synchronization with the toggle signal and outputs the obtained level as a first sample voltage. A hold block stores the first sample voltage in synchronization with the toggle signal and outputs the stored first sample voltage as a second sample voltage. A voltage divider divides the second sample voltage to output a division voltage. A comparator compares the saw-tooth voltage and the division voltage to detect a target timing in each duty of the toggle signal.
US10819325B2 Selectable delay buffers and logic cells for dynamic voltage scaling in ultra low voltage designs
Provided is a selectable delay buffer for tuning a delay path in a circuit. The selectable delay buffer comprises a first delay segment configured to pass an input signal to an output terminal within a first range of time delays, a second delay segment configured to pass the input signal to the output terminal within a second range of time delays that is different from the first range, and a segment selection switch configured to selectively couple the delay segments to the output terminal based on received selection information that indicates which delay segment to couple to the output terminal.
US10819323B1 Method for debouncing an electrical input signal, and debouncing module
A method for debouncing an electrical input signal (xin) includes following steps: (1) an input signal (xin) is received and a present value of the input signal (xin) is ascertained; (2) ascertaining whether the present value of the input signal (xin) is above or below at least one predefined limit value (xG); (3) producing a debounce status variable (xE) having a defined initial value; (4) altering the value of the debounce status variable (xE) on the basis of at least whether the value of the input signal (xin) is above or below the at least one limit value (xG), (5) generating an output signal (xout) on the basis of whether the value of the debounce status variable (xE) corresponds to the minimum value (Wmin), to the maximum value (Wmax) or to a value between the minimum value (Wmin) and the maximum value (Wmax).
US10819321B1 Switchable active balanced-to-unbalanced phase shifter
Disclosed is a phase shifter capable of achieving 360° phase shifts. The phase shifter includes an active balanced-to-unbalanced (balun) circuit for splitting an input signal into two signals offset in phase. The phase shifter further includes an active all-pass network electrically coupled to an output of the active balun circuit. The active all-pass network can include an active tunable inductor. A variable-gain amplifier (VGA) is electrically coupled to an output of the active all-pass network.
US10819317B1 Feedback stabilized ring oscillator
A stabilized oscillator which comprises a ring oscillator with an odd number of inverters. The output of an inverter is driving a capacitor and the input of the a next inverter. A feedback element is configured for generating a first and a second current with a fixed current ratio between both, and for applying the same voltage over the ring oscillator as over a resistor which is connected in parallel with a current compensator. The first current goes through the parallel connection, the second current goes through the ring oscillator. The current compensator is configured such that the ratio of the current through the current compensator and a parasitic current component of the second current is substantially equal to the ratio of the first and second current.
US10819316B2 Circuits and methods for reducing kickback noise in a comparator
Circuits and methods for reducing and cancelling out kickback noise are disclosed. In one example, a circuit for a comparator is disclosed. The circuit includes: a first transistor group, a second transistor group, and a first switch. The first transistor group comprises a first transistor having a drain coupled to a first node, and a second transistor having a source coupled to the first node. Gates of the first transistor and the second transistor are coupled together to a first input of the comparator. The second transistor group comprises a third transistor having a drain coupled to a second node, and a fourth transistor having a source coupled to the second node. Gates of the third transistor and the fourth transistor are coupled together to a second input of the comparator. The first switch is connected to and between the first node and the second node.
US10819315B1 Voltage mode signal transmitter
A voltage mode signal transmitter includes a front-end signal processor and a signal transformer. The front-end signal processor receives a first and second data signal, and delays and inverts the data signals to generate a third and fourth data signal. The front-end signal processor selects two of the first data signal to the fourth data signal to generate a plurality of signal pairs according to a first control signal. The signal transformer selects one data signal of each of the signal pairs to generate input voltages according to a second control signal, and generates an output voltage according to the input voltages. A working frequency of the first control signal is lower than a working frequency of the second control signal.
US10819313B2 Apparatus and method for tuning a resonance frequency
There are disclosed various apparatuses and methods for tuning a resonance frequency. In some embodiments there is provided an apparatus (200) comprising at least one input electrode (202, 204) for receiving radio frequency signals; a graphene foil (210) for converting at least part of the radio frequency signals into mechanical energy; at least one dielectric support element (212) to support the graphene foil (210) and to space apart the at least one input electrode (202, 204) and the graphene foil (210). The graphene foil (210) has piezoelectric properties. In some embodiments there is provided a method comprising receiving radio frequency signals by at least one input electrode (202, 204) of an apparatus (200); providing a bias voltage to the apparatus (200) for tuning the resonance frequency of the apparatus (200); and converting at least part of the radio frequency signals into mechanical energy by a graphene foil (210) having piezoelectric properties.
US10819312B2 Multiplexer, radio-frequency front end circuit, and communication apparatus
A multiplexer includes a common terminal, a first terminal, a second terminal, and a third terminal, a first filter, a second filter, and a third filter. With a frequency f3 being defined as M×f1±N×f2 or M×f2±N×f1, M and N being natural numbers, f1 being a frequency included in a first passband of the first filter and f2 being a frequency included in a second passband of the second filter, at least a part of a range of frequency f3 overlaps a third passband of the third filter. No acoustic wave resonator is connected between the common terminal and a first parallel arm resonance circuit. A fractional bandwidth of the first parallel arm resonance circuit is smaller than a maximum value of a fractional bandwidth of each of at least one serial arm resonance circuit.
US10819311B2 Elastic wave device
An elastic wave device includes a first piezoelectric substrate made of LiNbO3, a first band-pass filter provided on the first piezoelectric substrate and including first IDT electrodes, a dielectric layer provided on the first piezoelectric substrate and covering the plurality of first IDT electrodes, a second piezoelectric substrate, a second band-pass filter provided on the second piezoelectric substrate, including second IDT electrodes, and differing from the first band-pass filter in pass band, and a band elimination filter connected to the first band-pass filter. The band elimination filter is provided on a piezoelectric substrate other than the first piezoelectric substrate.
US10819310B2 Radio-frequency filter circuit, multiplexer, radio-frequency front-end circuit, and communication apparatus
A filter (11) includes a series-arm circuit (10) connected between an input/output terminal (11m) and an input/output terminal (11n); and a parallel-arm circuit (20) connected between a ground and a path that connects the input/output terminal (11m) and the input/output terminal (11n). One circuit among the series-arm circuit (10) and the parallel-arm circuit (20) is constituted by a parallel-arm resonator (p1) and a parallel-arm resonator (p2) that are connected in parallel to each other and that are connected to a node (x1) on the path. The parallel-arm resonators (p1) and (p2) form a pass band, together with another circuit among the series-arm circuit (10) and the parallel-arm circuit (20). The parallel-arm resonator (p2) has a resonant frequency lower than a resonant frequency of the parallel-arm resonator (p1) and has an impedance higher than an impedance of the parallel-arm resonator (p1).
US10819308B2 Elastic wave device, high-frequency front-end circuit, and communication apparatus
An elastic wave device includes a piezoelectric substrate made of lithium niobate, an interdigital transducer electrode on the piezoelectric substrate, and a silicon oxide layer that covers the interdigital transducer electrode. The interdigital transducer electrode includes an AlCu layer and a metal layer disposed closer to the piezoelectric substrate than the AlCu layer, the metal layer having a higher density than the silicon oxide layer. The AlCu layer has a Cu concentration of about 13% or more by weight.
US10819304B2 Apparatus for discarding power noise, and apparatus for converting audio signal
Embodiments provide a device for removing noise of a power source and an apparatus for converting an audio signal, which remove a noise component which comes from a power source terminal of an audio signal converting apparatus stepwise and transfer power to a converting unit and an amplification unit included in the audio signal converting apparatus from a power source terminal to remove power noise.
US10819300B2 Analog microphone and control method thereof technical field of the disclosure
An analog microphone and a control method thereof are disclosed. The analog microphone includes a sensor configured to sense an audio signal and convert the audio signal into an electrical signal; a charge pump configured to provide a bias voltage for the sensor to drive the sensor; a source follower configured to receive the electrical signal and convert the electrical signal into a source follower signal; a gain adjustable amplifier configured to receive the source follower signal, multiply the source follower signal by an amplifying factor, and output an amplified signal; and a detecting module configured to adaptively control the bias voltage of the charge pump and the amplified signal of the gain adjustable amplifier in response to the source follower signal of the source follower.
US10819296B2 Apparatus for receiving or transmitting voltage signals
Apparatus useful for receiving or transmitting voltage signals might include a current generator having first and second inputs and configured to generate a current flow between first and second outputs responsive to a voltage difference between its first and second inputs. The apparatus might further include a feedback amplifier having a first input connected to the first output of the current generator, a second input connected to the second output of the current generator, a first voltage signal node connected to its first input through a first resistance, and a second voltage signal node connected to its second input through a second resistance, wherein a first inverter is connected in parallel with the first resistance, a second inverter is connected in parallel with the second resistance, and a pair of cross-coupled inverters are connected between the first voltage signal node and the second voltage signal node.
US10819290B2 Power amplifier self-heating compensation circuit
Temperature compensation circuits and methods for adjusting one or more circuit parameters of a power amplifier (PA) to maintain approximately constant Gain versus time during pulsed operation sufficient to substantially offset self-heating of the PA. Some embodiments compensate for PA Gain “droop” due to self-heating using a Sample and Hold (S&H) circuit. The S&H circuit samples and holds an initial temperature of the PA at commencement of a pulse. Thereafter, the S&H circuit generates a continuous measurement that corresponds to the temperature of the PA during the remainder of the pulse. A Gain Control signal is generated that is a function of the difference between the initial temperature and the operating temperature of the PA as the PA self-heats for the duration of the pulse. The Gain Control signal is applied to one or more adjustable or tunable circuits within a PA to offset the Gain droop of the PA.
US10819288B2 Standby voltage condition for fast RF amplifier bias recovery
Various methods and circuital arrangements for biasing one or more gates of stacked transistors of an amplifier are possible where the amplifier is configured to operate in at least an active mode and a standby mode. Circuital arrangements can reduce bias circuit standby current during operation in the standby mode while allowing a quick recovery to normal operating conditions of the amplifier. Biasing an input transistor of the stacked transistors can be obtained by using a replica stack circuit.
US10819286B2 Power amplification circuit
Provided is a power amplification circuit that includes: an amplifier that amplifies an input signal and outputs an amplified signal; a first bias circuit that supplies a first bias current or voltage to the amplifier; a second bias circuit that supplies a second bias current or voltage to the amplifier; a first control circuit that controls the first bias current or voltage; and a second control circuit that controls the second bias current or voltage. The current supplying capacity of the first bias circuit is different from the current supplying capacity of the second bias circuit.
US10819285B1 Envelope tracking power amplifier circuit and related apparatus
An envelope tracking (ET) power amplifier circuit and related apparatus are provided. The ET power amplifier circuit includes at least two power amplifiers configured to amplify at least two radio frequency (RF) signals having different amplitudes. The ET power amplifiers may be configured to amplify a summed RF signal corresponding to a summation of the RF signals and a differential RF signal corresponding to a differential of the RF signals. Given that the summed RF signal and the differential RF signal can have identical amplitude, it is possible for the ET power amplifiers to concurrently amplify the summed RF signal and the differential RF signal based on a common ET voltage. As such, an ET amplifier apparatus employing the ET power amplifier circuit can be configured to generate a lesser number of ET voltages, thus helping to reduce complexity, cost, and footprint of the ET amplifier apparatus.
US10819283B1 Current-mode analog multipliers using substrate bipolar transistors in CMOS for artificial intelligence
Analog multipliers can perform signal processing with approximate precision asynchronously (clock free) and with low power consumptions, which can be advantageous including in emerging mobile and portable artificial intelligence (AI) and machine learning (ML) applications near or at the edge and or near sensors. Based on low cost, mainstream, and purely digital Complementary-Metal-Oxide-Semiconductor (CMOS) manufacturing process, the present invention discloses embodiments of current-mode analog multipliers that can be utilized in multiply-accumulate (MAC) signal processing in end-application that require low cost, low power consumption, (clock free) and asynchronous operations.
US10819280B2 Crystal oscillator and reference clock generator including same
A crystal oscillator including a feedback circuit, and a reference clock generating circuit including the crystal oscillator. The crystal oscillator is configured to generate an oscillating signal based on a natural frequency of a crystal. The crystal oscillator may include: a current generating circuit connected to a first node having a first voltage and a second node having a second voltage, and configured to output a first current to the second node; a feedback circuit connected to the generating circuit via the first and second nodes and configured to adjust a level of the second voltage by controlling a level of the first voltage; and a crystal circuit connected to the second node and configured to generate the oscillating signal based on the second voltage.
US10819275B2 Method and apparatus for switching current
A device, system, and method is disclosed for improving safety of a power system. For example, a differential current may be detected using at least one sensor by temporarily enabling sampling of current flowing through one or more conductors. Additionally, current flow may be temporarily altered in order to sample current in a system. The measurements may be handled locally and/or remotely and appropriate actions may be taken to enhance the overall safety of the system.
US10819271B2 Height adjustable solar panel mounting assembly with an asymmetric lower bracket
A height adjustable solar panel mounting assembly with an asymmetric lower bracket is disclosed. The asymmetric lower bracket includes a flat support ledge on a first side of the asymmetric lower bracket and a tilted spring support ledge on a second side of the asymmetric lower bracket, where the first side is opposite from the second side. A central box frame is defined by the asymmetric lower bracket where a helical drive element is receivable in the central box frame.
US10819270B2 High temperature selective emitters via critical coupling of weak absorbers
Tailoring the emission spectra of a solar thermophotovoltaic emitter away from that of a blackbody, thereby minimizing transmission and thermalization loss in the energy receiver, is a viable approach to circumventing the Shockley-Queisser limit to single junction solar energy conversion. Embodiments allow for radically tuned selective thermal emission that leverages the interplay between two resonant phenomena in a simple planar structure—absorption in weakly-absorbing thin films and reflection in multi-layer dielectric stacks. A virtual screening approach is employed based on Pareto optimality to identify a small number of promising structures for a selective thermal emitter from a search space of millions, several of which approach the ideal values of a step-function selective thermal emitter.
US10819269B2 DC integration of photovoltaic and DFIG wind turbine generation with electric storage
A power generation and storage system is provided that supplies power to a power grid. The system includes a wind turbine, a doubly-fed induction generator coupled to the wind turbine, and one or more DC energy sources. A controller determines power requirements for the power grid and controls the operation of the wind turbine and the DC energy sources to meet the power requirements of the power grid.
US10819268B2 Driving device comprising a transformer function, driving system and method for operating a driving device
A drive device (102) with a converter function for a vehicle (100) has at least one first motor connection and one second motor connection for connecting the drive device (102) to a converter (108), a least one first motor coil and one second motor coil, wherein a first connection of the first motor coil is connected to the first motor connection and a first connection of the second motor coil is connected to the second motor connection, at least one first intermediate tap and one second intermediate tap, wherein the first intermediate tap is connected to a first tap point of the first motor coil and the second intermediate tap is connected to a first tap point of the second motor coil, and at least one first supply line connection and one second supply line connection for connecting the drive device (102) to an AC voltage supply line, wherein the first supply line connection is connected to the first intermediate tap and the second supply line connection is connected to the second intermediate tap.
US10819264B1 Robust starting system and method for interior permanent magnet synchronous motor control
A robust starting system and method for an interior permanent magnet synchronous motor, suitable for commercial fan and blower drive applications. A comprehensive starting control process is provided that utilizes control flags to implement closed-loop control accounting for any pre-existing rotor movement, controlling the motor speed from an initial speed to a destination speed. A universal dqController provides selective configurability for collecting information regarding the initial state of the motor, as well as starting and operational motor control. Dynamic high frequency injection enables the use of HFI outside the normal standstill motor speeds by intelligently decoupling the high frequency and rotor movement portions of the stator current response.
US10819263B2 Method for determining the angular position of the rotor of an inverter-fed synchronous motor, and an apparatus for carrying out the method
In a method for determining the angular position of the rotor of a synchronous motor fed by an inverter, the inverter is actuated by a signal electronics including a control unit, in particular having a processing unit and a memory, the stator current in particular is acquired with the aid of at least one current-acquisition device, the synchronous motor having a stator winding, which is fed by a three-phase voltage, i.e. stator voltage, which is set by the inverter such that the acquired stator current is controlled to a predefined setpoint stator current by the control unit, a setpoint stator current with a first actuation angle relative to the stator winding is predefined, in particular in the d-direction, the stator flux is determined from the time characteristic of the stator voltage and the acquired values of the stator current, and an angle value, in particular the angular position, is determined from the determined stator flux and a flux-value dependence as a function of a stator current.
US10819256B2 Motor driving method, mobile terminal, and computer-readable storage medium
The present disclosure relates to the field of intelligent devices, and discloses a motor driving method, a mobile terminal, and a computer-readable storage medium. In the present disclosure, the method is applied to a mobile terminal, where a first motor and a second motor are built in the mobile terminal, and the first motor and the second motor are located on opposite parts of the mobile terminal. A first drive signal for driving the first motor to vibrate and a second drive signal for driving the second motor to vibrate are obtained, a rotation angle of the mobile terminal, when the first motor and the second motor are both in a vibration state, are monitored in real time, and the first drive signal and the second drive signal are interchanged when it is detected that the mobile terminal rotates half a turn.
US10819255B2 Starting an induction machine
A method for starting an induction machine without residual flux includes: scanning a state of the induction machine with different stator frequencies by controlling a supply voltage applied to the induction machine; determining whether a slip value, being a difference between a rotor frequency and a stator frequency, is within a slip interval; and, when it has been determined that the slip value is in the slip interval, regulating the slip value towards zero and magnetising the machine to the required level.
US10819248B2 Technologies for provisioning power controllers for grid services
Technologies for provisioning power controllers for grid services are disclosed. In at least one illustrative embodiment, a method for estimating real-time available peak power (APP) of a power plant may comprise determining whether an inverter of the power plant electrically coupled to at least one solar panel array of the power plant is operating in a maximum power point tracking (MPPT) mode, obtaining a measured output of the at least one solar panel array in response to determining that the inverter is operating in the MPPT mode, estimating an expected output of the inverter as a function of the measured output of the solar panel array using an inverter production model, and estimating the APP of the power plant as a function of the expected output of the inverter using a site compensation model.
US10819244B1 Single-stage isolated DC-DC converters with interleaved arms
According to one aspect of the present disclosure, a single-stage converter includes a rectifying circuit and a buck-boost circuit. The buck-boost circuit includes an inductor with a center tap configured to supply an output of the buck-boost circuit to the rectifying circuit. The buck-boost circuit also includes first and second interleaved arms arranged in parallel with a voltage input of the single-stage converter. The first and second interleaved arms are each coupled to the inductor and include a plurality of switches operable to control the output of the buck-boost circuit.
US10819243B2 Isolated DC/DC converter, control unit for isolated DC/DC converter, and DC/AC converter
An isolated DC/DC converter includes: DC/AC converter; an isolation transformer; a rectifier circuit; and a control unit. The control unit includes a DC input power calculation unit that calculates a DC input power of the DC/AC converter; a first adjustment unit that calculates a DC input power command value such that a DC output voltage detection value follows a DC output voltage command value; an input power limit unit that limits an upper limit value of the DC input power command value to a predetermined value and output the DC input power command value; a second adjustment unit that calculates a DC output power command value such that a DC input power calculation value follows the DC input power command value; and a drive pulse generation unit that generates drive pulses for semiconductor switching device based on the DC output power command value.
US10819238B1 Power system having multiple power conversion units with handoff of power regulation control
A power supply system and method include multiple power conversion units (PCUs) with independent power generation control and a PCU-to-PCU regulation of power, handoff control system to transfer control of power regulation to a load among the PCUs. The multiple PCUs maintain independent power generation control to collectively provide power to the load and handoff regulation of the power to the load from one PCU to another PCU. The term “handoff” refers to communication between PCUs that affects a transfer and acceptance of regulation of power control. The independent PCU power generation control with singularly located but transferable control of the regulation of power provides a flexible dynamic power supply.
US10819237B1 Gate voltage plateau completion circuit for DC/DC switching converters
A DC/DC switching converter includes high-side and low-side power NFETs coupled in series between a first pin for coupling to a first supply voltage and a second pin for coupling to a second supply voltage. A switch-node is coupled to a third pin. A first gate driver is coupled to drive a gate voltage on the high-side power NFET at a first rate and a second gate driver is coupled to drive the gate voltage of the high-side power NFET at a second rate that is higher than the first rate. A comparator is coupled to the first pin and to the gate of the high-side power NFET and further coupled to turn on the second gate driver when a gate voltage of the high-side power NFET is equal to the first supply voltage coupled to the first pin plus a threshold voltage of the high-side power NFET.
US10819236B2 Control of a power stage of a switched-mode power supply
A driver circuit generates a drive signal having a first and second voltage state for controlling a power transistor switch coupled to a power supply node. A control circuit operates to sense a supply voltage at the power supply node and compare the sensed supply voltage to one or more voltage thresholds. In response to the comparison, the control circuit adjusts a switching slope of the drive signal from the first voltage state to the second voltage state.
US10819230B2 DC voltage conversion circuit, DC voltage conversion method and liquid crystal display device
Disclosed are a DC voltage conversion circuit, a DC voltage conversion method and a liquid crystal display device. The circuit comprises: a boost circuit 1, a charge pump circuit 2, and a control circuit 3; the control circuit is additionally provided with a first current detection module 201, a second current detection module 202, and an AND gate Y1; a first current I1 in the boost circuit 1 is detected by means of the first current detection module 201, and a high level or a low level is supplied to a first input end of the AND gate Y1 according to the magnitude of the first current I1; a second current I2 in the charge pump circuit 2 is detected by means of the second current detection module 202, and a high level or a low level is supplied to a second input end of the AND gate Y1 according to the magnitude of the second current I2; when the first current I1 is relatively small and the second current I2 is relatively large, namely the boost circuit 1 is at a light load and the charge pump circuit 2 is at a heavy load, a level at the output end of the AND gate Y1 is used to control a switch module 301 to increase the switch frequency of the switch module 301, so that the normal work of the charge pump circuit 2 is ensured, and the stability of the VGH voltage is improved.
US10819223B2 Method for controlling a three-phase Vienna rectifier
A method for controlling a three-phase Vienna rectifier, including a plurality of controlled power switches, each associated with an electrical phase; the method including: transforming three provided reference line voltages into three phase voltages; calculating a homopolar component to be injected according to the sign of the phase voltage values and to the average value of the phase currents of the three-phase Vienna rectifier; calculating “modulating” values for each phase of the three-phase Vienna rectifier according to the calculated homopolar component to be injected and the three phase voltages; and generating six signals for switching the controlled power switches, according to the sign of the phase currents of the three-phase Vienna rectifier and the “modulating” values that were calculated.
US10819215B2 Bypass switch for high voltage DC systems
Many DC applications switching converter modules are multilevel, series connected converters. If an individual converter cell fails, it is desirable to be able to bypass the failed cell, in order to continue operating the rest of the converter. A bypass switch is provided as a hybrid switch, including a parallel combination of a slow mechanical switch with high current conduction capability and a low power semiconductor switch with faster acting switching capabilities. When the bypass switch is activated (closed), the low power semiconductor switch is turned on first and quickly establishes the bypass within 10 μs or less, to temporarily conduct required current until the slower mechanical switch turns on. The mechanical switch is subsequently turned on with zero voltage, given the parallel-connected semiconductor switch being on. If desired, the semiconductor switch can then be turned off with zero voltage, given the presence of the mechanical switch. When the bypass switch is deactivated (opened), the semiconductor switch can first be turned on to divert part of the current from the mechanical switch. The mechanical switch can then be turned off at low voltage, since the mechanical switch is shorted by the semiconductor switch. Once the mechanical switch is off, the semiconductor switch can be quickly turned off.
US10819207B2 Voice coil motor and lens moving device
A yoke of a voice coil motor includes an outer yoke as a magnet holding portion and an inner yoke as a coil insertion portion. A magnet is fixed to the surface of the outer yoke facing the inner yoke. The inner yoke is inserted into a coil. Openings are provided toward both end positions of the outer yoke from a middle position of movement positions of the coil. The openings are formed to pass through the outer yoke. The outer yoke can be made lighter while a necessary thrust is ensured.
US10819200B2 Motor topology with exchangeable components to form different classes of motors
Exchangeable stator components are selected and exchangeable rotor components are selected to transform a motor from one motor class to another motor class. A motor comprises three stator rings, three rotor rings, a first input, and a second input. The first input comprises two exchangeable stator components selected from a stator component group consisting of a stator spacer ring and an axially magnetized stator magnet ring. The second input comprises two exchangeable rotor components selected from a rotor component group consisting of a rotor spacer ring and an axially magnetized rotor magnet ring. The first input and the second input determine a motor class for the motor, the exchangeable stator components being exchangeable for different exchangeable stator components from the stator component group to manufacture another motor having a different motor class, the exchangeable rotor components being exchangeable for different exchangeable rotor components from the rotor component group to manufacture another motor having another different motor class.
US10819199B2 Winding apparatus
A winding apparatus 23 forms a rectangle-tubular edgewise coil 1 by alternately repeating bending of a rectangular conductor 2 in a clockwise direction in a plan view in an edgewise manner and feeding of the rectangular conductor 2. The winding apparatus 23 includes a bending jig 31 configured to bend the rectangular conductor 2, five sway-prevention guides 50 arranged at regular intervals on the same circumference to prevent the edgewise coil 1 from losing its shape, the five sway-prevention guides 50 being configured so that when the rectangular conductor 2 is bent in the edgewise manner, the edgewise coil 1 is sandwiched between two adjacent ones of the five sway-prevention guides 50 in the clockwise direction, and a guide holding member 51 configured to be rotationally driven in synchronization with the bending of the rectangular conductor 2 in the edgewise manner and the feeding of the rectangular conductor 2.
US10819196B2 Electric generators, rotor slot wedges for retaining field coils in slots in rotors of electric generators, and methods of repairing and/or maintaining electric generators and components thereof
A rotor assembly for an electric generator, comprising a rotor element, conductive rotor windings and a plurality of rotor slot wedges. The rotor element comprises rotor teeth and rotor slots. At least a first rotor slot wedge is in a first rotor slot and has a shape that encompasses a rectangular prismatic shape and first and second protrusions. At least a first edge on an end surface of at least a first rotor slot wedge has a degree of smoothness as specified herein, and/or is radiused (as defined herein). Also, methods of refurbishing an electric generator, comprising radiusing at least a portion of at least one edge of a wedge. Also, removing a wedge from rotor element, radiusing at least one edge of the wedge, and inserting the wedge into a rotor element.
US10819194B2 Internal combustion engine with integrated connectivity device
A power tool is provided. The power tool includes an internal combustion engine and an integrated device coupled to the internal combustion engine. The internal combustion engine includes a flywheel or another rotating component. The integrated device is enclosed in a housing and is coupled adjacent to either the flywheel or a rotating component. The integrated device includes a printed circuit board with a wireless communications module and a power generation portion which receives power wirelessly from the internal combustion engine.
US10819193B2 Drive unit for ice making device and ice making device
A drive unit for an ice making device includes a drive mechanism, a circuit board structured to perform at least one of power feeding to and control for the drive mechanism, and a case in which the drive mechanism and the circuit board are disposed on an inner side. The case comprises a first end plate part, a second end plate part which faces the first end plate part, and a partition member which sections a space between the first end plate part and the second end plate part. The circuit board is disposed in a circuit board arrangement chamber provided between the first end plate part and the partition member. The drive mechanism is disposed in a drive chamber provided between the second end plate part and the partition member, and a plurality of support posts is provided between the first end plate part and the partition member.
US10819192B2 Handheld work apparatus having an electric motor
A handheld work apparatus has an electric motor for driving a tool. A function module is to be connected to a battery pack via electrical contacts, there being provided an electrical operating switch, for putting the electric motor into operation, which is coupled to an actuating element of the handheld work apparatus. The electric motor is put into operation upon a command of the operating switch, via a control unit. To constitute the function module, provision is made to dispose the electrical contacts, the control unit and the operating switch on a common carrier. The carrier has a first side that faces toward the battery pack, and at least one second side that faces away from the battery pack. The electrical contacts are provided on the first side of the carrier, while the operating switch is held on the second side of the carrier.
US10819190B2 Motor
A motor includes a rotor, a stator having a cylindrical shape, disposed on a radial-direction outer side of the rotor, and surrounding the rotor, and a housing having a cylindrical shape, disposed on the radial-direction outer side of the stator, and housing the rotor and the stator. The stator includes teeth disposed along a circumferential direction and extending in a radial direction, and coils wound around the teeth. A hermetically sealed chamber filled with a cooling medium is provided between the housing and the rotor. A space housing the rotor core is provided on a radial-direction inner side of the sealed chamber that includes an inner chamber housing the coils, outer chambers disposed on the radial-direction outer side of the inner chamber and extend in the circumferential direction, and upper and lower connection portions located vertically above or below a shaft and connect the inner chamber to the outer chambers.
US10819188B2 Power train including cylinder block water jacket having motor cooling port
A power train may include an engine including a crankshaft and an engine block, a rotor portion connected to the crankshaft and of which a magnet is connected to a first side thereof, a stator portion disposed between the rotor portion and the engine block and a cylinder block water jacket formed on the engine and to which a motor cooling port for cooling a motor is formed.
US10819184B2 Electric actuator
An electric actuator attached to a vehicle is provided and includes: a motor unit, a speed reducer, a circuit board, an output section, and a housing that accommodates the motor unit, the speed reducer, the circuit board and the output section. The housing has a motor case that opens at one side in an axial direction, and a circuit board case attached to one side of the motor case in the axial direction to close an opening of the motor case and accommodates the circuit board. The motor case has a motor case main body that accommodates the motor unit, and multiple attaching leg sections protruding from the motor case main body and fixed to the vehicle. The attaching leg sections protrude outward from the circuit board case when seen in the axial direction.
US10819183B1 Spherical voice coil based resolver system
A spherical resolver system includes a spherical body, an outer body, a first sensor coil, a second sensor coil, a third sensor coil, a first primary coil, and a circuit. The spherical body has a first axis of symmetry, a second axis of symmetry, and a third axis of symmetry, and the first, second, and third axes of symmetry are disposed perpendicular to each other. The circuit is coupled to the first primary coil and is operable to supply a first alternating current (AC) reference signal (Vr1) to the first primary coil, whereby a first sensor signal (Vx) is selectively induced in the first sensor coil, second sensor signal (Vy) is selectively induced in the second sensor coil, and a third sensor signal (Vz) is selectively induced in the third sensor coil, and supplies one or more signals representative of the sensor position.
US10819181B2 Terminal lead support for use in integrated drive generator
A terminal lead support for use in an integrated drive generator has a body defining an outer end extending to two outer angled surfaces. The outer angled surfaces each extend to curved end portions. The curved end portions connect the outer angled surfaces into inner angled surfaces. The inner angled surfaces each extend into cupped portions formed about a radius. There are six apertures formed within the body, with laterally outer apertures spaced from the outer surface by a greater amount than laterally intermediate apertures. The laterally intermediate apertures are spaced from the outer surface by a greater amount than laterally inner apertures. An integrated drive generator and a method of replacing a terminal lead support are also disclosed.
US10819175B2 Rotating electric machine and rotating electric machine manufacturing method
A unit coil includes: first, second, third, and fourth turn portions extending in a bent manner from first, second, third, and fourth slot accommodation portions and each connecting the slot accommodation portions to each other; and first, second, third, and fourth leg portions. Recesses are formed in surfaces opposed to each other at bent parts of the turn portions or bent parts of the turn portion and the leg portion, that extend in a bent manner toward the same side in the circumferential direction from the slot accommodation portions adjacent to each other in the radial direction.
US10819171B2 Busbar including blade
The present invention provides a busbar comprising terminals, a body connected to the terminals and includes a plurality of blades, wherein the body includes an inner body, an outer body, and connecting parts, the outer body is disposed outside the inner body, the connecting parts are arranged in a periphery of the inner body at regular intervals and connect the inner body to the outer body, the terminals are disposed in the inner body so that connection ends of the terminals are disposed between the adjacent connecting parts, the plurality of blades protrude from an upper surface of the outer body and are arranged in a circumferential direction with respect to a center of the busbar, the outer body includes a cooling hole formed to pass through from a lower surface thereof to the upper surface, and the cooling hole is disposed between adjacent blades, thereby providing an advantageous effect of reducing the number of parts to be manufactured such that manufacturing costs and manufacturing processes can be reduced.
US10819169B2 Axial gap rotating electrical machine and manufacturing method for the same
An axial gap rotating electrical machine, including: a rotor; a stator which includes a stator iron core, the stator iron core including: a core back having a hollow-disc shape; and a plurality of teeth, which axially extend from one axial surface of the core back, and are arrayed circumferentially, the plurality of teeth having distal ends axially facing the rotor; a housing having a bottom on which another axial surface of the core back, which is a surface axially opposite to the one axial surface of the core back, is superposed; and a fixing member, which is fixed to the bottom at a position radially shifted from the core back, and is configured to press the one axial surface of the core back toward the bottom.
US10819168B2 Electric motor
The invention relates to an electric motor having a rotatably mounted rotor magnet and a stator enclosing the rotor magnet, said stator comprising at least three coil windings and a winding carrier, wherein coil axes of the at least three coil windings are disposed radially to an axis of rotation of the rotor magnet in various radial directions. The coil windings of the electric motor are designed so that a gap that is parallel to the axis of rotation of the rotor magnet extends between at least two adjacent coil windings, in which at least one media line extending in the longitudinal direction is provided.
US10819167B2 Wireless power reception device and wireless power transmission system
A wireless power reception device detects a power receiving coil position relative to a power transmitting coil while curbing an increase in power loss. The wireless power reception device includes: a power receiving coil magnetically coupled to the power transmitting coil; a first rectification and smoothing circuit rectifying an AC voltage supplied from the power receiving coil and outputs the rectified AC voltage to a load; first and second capacitors respectively connected to first and second transmission lines; a first resistor having one terminal connected to the first capacitor and the other terminal is supplied with a predetermined reference potential; a second resistor having one terminal connected to the second capacitor and the other terminal is supplied with the reference potential; and a position detecting circuit detecting the power receiving coil position relative to the power transmitting coil on the basis of first and second junction point potentials.
US10819163B2 Apparatus and method for transmitting power wirelessly
The present invention provides wireless power transmitting method and apparatus. The wireless power transmitting method according to an embodiment of the present invention may measure a resonance frequency while changing an operating frequency of a resonance circuit, compare the measured resonance frequency with a reference frequency, and wirelessly transmit power when the measured resonance frequency is lower than the reference frequency. The reference frequency may be determined based on two or more among a self resonance frequency of the resonance circuit, a first resonance frequency measured for a receiving device, a second resonance frequency measured for a reference object and a third resonance frequency measured for the receiving device and the reference object.
US10819162B2 Method for detecting foreign object, wireless power transfer control apparatus, and wireless power transfer apparatus using the same
A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise steps of performing a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting a characteristic parameter with respect to at least one of an input current and a switching frequency of the power transfer converter; and determining whether or not a foreign object exists between the transmission pad and the reception pad according to whether the characteristic parameter with respect to at least one of the input current and the switching frequency deviates from an allowable range.
US10819159B2 Methods of wireless power transfer by energy signal transfer apparatus operating in the same frequency band as wireless local area network in wireless power transfer energy harvesting system and energy signal transfer apparatuses for performing the same
Disclosed is a method of wireless power transfer to at least one wireless station connected to a network from an energy signal transfer apparatus operating in the same frequency band as a wireless local area network (WLAN). The method includes: receiving an energy transfer request from a first wireless station connected to the network; calculating the direction of energy signal transfer in response to the energy transfer request; and sending an energy signal to the first wireless station in the calculated direction of energy signal transfer for the duration of energy transfer. The energy signal transfer apparatus allows for power transfer without causing interference with data transmission on a channel where data transmission occurs, by transferring energy only in the direction of stations requesting energy transfer by beamforming technology.
US10819154B2 Inductive power transmitter
An inductive power transmitter for an inductive power transfer system including a power regulation circuit utilising only primary side parameters to control power flow. The duty cycle of the waveform applied to the transmitter coil is adjusted based on the ratio of the output current of the power supply and the current supplied to the resonant circuit (the current ratio). This may be further compensated based on the amount of power supplied to the transmitter.
US10819151B2 Wireless power transmission
One embodiment provides an apparatus for wireless power transmission, comprising: a resonator comprising: a three dimensional structure; and an energy storage mechanism operatively coupled to the three dimensional structure; wherein the three dimensional structure and energy storage mechanism produce standing electromagnetic waves upon driving the resonator. Other systems, methods, apparatuses, and products are described and claimed.
US10819145B2 Apparatus, method and article for authentication, security and control of power storage devices, such as batteries, based on user profiles
A network of collection, charging and distribution machines collect, charge and distribute portable electrical energy storage devices (e.g., batteries, supercapacitors or ultracapacitors). To charge, the machines employ electrical current from an external source, such as the electrical grid or an electrical service of an installation location. The charging and distribution machines may distribute portable electrical energy storage devices of particular performance characteristics and other attributes based on customer preferences and/or customer profiles. The charging and distribution machines may provide instructions to or otherwise program portable electrical energy storage devices stored within the charging and distribution machines to perform at various levels according to user preferences and user profiles.
US10819143B1 Redundant power supply device and redundant power supply device protection control method
The redundant power supply device includes a power output port, a converter, a comparator unit and an output protection switch. The output protection switch is electrically connected between an output terminal of the converter and the power output port, and the comparator unit compares the voltage across the output protection switch and controls the output protection switch accordingly. The redundant power supply device has a control module that performs a protection control method. When the voltage of the power output port is higher than a preset voltage value and the output current is lower than a preset current value, the control module outputs a short turn-off signal to the enable terminal of the comparator unit, preventing the comparator unit from failing to perform the output protection as designed due to external abnormal slow rising voltage, and ensuring the redundant power supply unit operates normally.
US10819140B1 Systems and methods for remote monitoring and control of emergency electrical generating systems
A Remote Monitoring and Control System (RMCS) for an electrical power system includes a control/communication module and a test apparatus. The test apparatus includes electrical power system test components electrically coupled in or to an automatic transfer switch of the electrical power system and the control/communication module. The test components are operable by the control/communication module for controlling, monitoring, assessing, and testing one or more functions of the electrical power system. A method of assessing a backup power system includes: coupling electrical power system test components to an automatic transfer switch of the backup power system; communicatively coupling the electrical power system test components to a control/communication module; and operating the electrical power system test components to measure or test conditions in the backup power system. The RMCS can provide seamless 24/7 monitoring coverage and control capabilities to enhance system performance and reliability.
US10819139B2 Power supply including logic circuit
A power supply includes a power converter and a battery. A logic circuit controls division of output of power, between the power converter and the battery, to an output of the power supply.
US10819130B2 Mobile charge/discharge device
A mobile charge/discharge device for being electrically connected to a power source and a first power receiving device is disclosed. The mobile charge/discharge device includes a detection circuit detecting a first working power of the power source and a second working power of the first power receiving device; an input port having a first power supply pin for being electrically connected to the power source; a first output port having a second power supply pin for being electrically connected to the first power receiving device; and a controlling circuit controlling the power source to supply the first power receiving device with a power according to one of the first working power and the second working power and supply the mobile charge/discharge device with a power according to the difference of the first working power and the second working power at the same time.
US10819125B2 Wireless charger
A wireless charger having a base, an adjustable bracket and a housing slidably connected to the bracket, with the base being releasably connected to the bracket. In some embodiments, the wireless charger includes a button member that can be displaced to move a connector plate and in turn, compress a spring member, in order to disengage a locking member from the bracket so that the bracket can be slidably adjusted relative to the housing.
US10819124B2 Fast charging method and related device for series battery pack
A fast charging method, a fast charging system, and a fast charging apparatus for a series battery pack, where the fast charging method including obtaining charge parameters of battery units in a series battery pack, determining, based on the charge parameters, whether there is a differentiated battery unit in the series battery pack, where the differentiated battery unit is a battery unit whose charge parameter is different from a charge parameter of the rest battery units in the series battery pack, and changing the battery units in the series battery pack to a parallel connection when there is a differentiated battery unit in the series battery pack, and performing parallel charging on the battery units. Hence, the fast charging method for a series battery pack can effectively shorten a charging time.
US10819122B2 Systems and methods to use cell balancing resistor(s) of battery pack to reduce charge level of battery cells
In one aspect, a device includes system components and a battery pack. The battery pack includes one or more cell balancing resistors, plural battery cells in a circuit with the one or more cell balancing resistors, at least one processor, and storage accessible to the processor. The storage includes instructions executable by the processor to determine whether a threshold amount of time has accrued during which the device has not been operated on battery power and, responsive to a determination that the threshold amount of time has accrued, employ the one or more cell balancing resistors of the battery pack to reduce the charge level of the plural battery cells.
US10819118B2 Method for operating inverter and inverter arrangement
A method for operating an inverter and an inverter arrangement including an inverter, and a controller configured to control the inverter to convert DC power into AC power with a DC input voltage control by applying a maximum power point tracking, MPPT, during the converting, in response to the DC power supplied to the inverter exceeding a predetermined power threshold value, control a DC input voltage of the inverter to a lowered value lower than a voltage value corresponding to the maximum power point, and after controlling the DC input voltage of the inverter to the lowered value, control the inverter to convert DC power into AC power with the DC input voltage control by applying the lowered DC input voltage value.
US10819115B2 Modular power supply system
The claimed system relates to electrical equipment and comprises a module that includes a module docking unit (16), a remote control device (1), electrical connectors (2, 3) for connection to sources of alternating current (AC) and direct current (DC), and electrical connectors (4, 5) for connection to an AC load and to a DC load. The electrical connector (2) for connection to an AC source is connected, via a unit (6) for switching a supply of electrical energy from an AC source, to the electrical connectors (4) for connection to an AC load and to an AC/DC converter (7), and the electrical connector (3) for connection to a DC source is connected, via a unit (8) for selecting a maximum output from solar panels and a unit (9) for determining a drop in voltage from the DC source, which are connected in series, and by a storage battery charging unit (10), to a first DC converter (11) which steps up and stabilizes the voltage. The storage battery charging unit (10) is connected, via a battery management system unit (12), to a storage battery unit (13) connected to the first DC converter (11), the latter being connected to the electrical connectors (4) for connection to an AC load via an inverter (14) having the function of switching off the supply of DC electrical energy thereto, and to the electrical connectors (5) for connection to a DC load via a second DC converter (15) which steps down the voltage. The invention allows more stable and reliable functioning of the power supply system and could be used as independent power supply system with combination of photovoltaic panels.
US10819113B2 Smart light switch with temperature sensing
A smart light switch includes a control block and heat generating components such as a light actuator, a processor and memory, a data communications module, and an environmental sensor. The processor is operable to receive as an input a measured temperature value from the environmental sensor and a power consumption value from the of heat generating components. The processor is operable to select a temperature offset value from a dataset of temperature offset values that is stored in memory. Each temperature offset value stored in the dataset of temperature offset values is associated with a potential combination of power consumption inputs. The processor is further operable to determine a calibrated temperature value from the measured temperature value adjusted by the temperature offset values selected from the dataset of temperature offset values.
US10819112B1 Feeder line fault response using direct current interconnection system
Systems, methods, techniques and apparatuses of feeder line fault response are disclosed. One exemplary embodiment is a method for operating an alternating current (AC) distribution network including a first feeder line, a second feeder line, and a third feeder line. The method includes isolating a faulted portion of the first feeder line from a healthy portion of the first feeder line; closing a tie switch coupled between the healthy portion and the second feeder line in response to isolating the faulted portion from the healthy portion; determining the second feeder line is experiencing an overload condition after closing the tie switch; and transferring AC power including transferring AC power using a direct current (DC) interconnection system coupled to the third feeder line effective to remove the overload condition from the second feeder line.
US10819109B2 Chip protection circuit
A chip protection circuit applied to a chip. The chip protection circuit comprises a transformer circuit, a first protection circuit and a second protection circuit. The transformer circuit has a first side and a second side. Each of the first side and the second side is disposed with first terminals, second terminals and center tap terminals. Three center tap terminal is coupled to a ground. The first protection circuit comprises a diode having a terminal coupled to the center tap terminal at the first side and another terminal coupled to the ground. The second protection circuit comprises input terminals and output terminals. The input terminals of the second protection circuit are coupled to the first terminal and the second terminals at the second side. The output terminals of the second protection circuit are coupled to the chip.
US10819106B2 Arc quenching device with racking drive
An arc quenching device includes a frame, at least one controlled-arcing device supported by the frame, and at least one contact assembly supported by the frame and electrically connected to the at least one controlled-arcing device. The device further includes a racking mechanism supported by the frame and including a motor and at least one actuator member driven by the motor and configured to engage a feature in an electrical equipment unit compartment to move the arc quenching device within the compartment and engage the at least one contact assembly with a bus of the electrical equipment unit. The arc quenching device may be configured to be installed in a cassette in the electrical equipment unit and the actuator member may be configured to engage a feature of the cassette.
US10819101B2 Over-current protection apparatus and method
An over-current protection apparatus constituted of: a transistor disposed on a substrate; a first thermal sense device arranged to sense a temperature reflective of a junction temperature of the transistor; a second thermal sense device arranged to sense a temperature reflective of a temperature of a casing surrounding the substrate; and a control circuitry, arranged to alternately: responsive to the sensed temperature by the first thermal sense device and the sensed temperature of the second thermal sense device being indicative that the temperature difference between the transistor junction and the substrate casing is greater than a predetermined value, switch off the transistor; and responsive to the sensed temperature by the first thermal sense device and the sensed temperature by the second thermal sense device being indicative that the temperature difference between the transistor junction and the substrate casing is not greater than the predetermined value, switch on the transistor.
US10819099B2 Relay device
Provided is a relay device that can switch conduction of a current flow path between power storage units on and off, and can suppress a decrease in the output of the power storage units if an abnormality occurs. A relay device includes: a conductive path; a switch unit switched between an ON state, and an OFF state; a coil connected in series to the switch unit; a first voltage detection unit configured to detect a voltage of the conductive path at a position on a first power storage unit side; a second voltage detection unit configured to detect a voltage of the conductive path at a position on a second power storage unit side; and a control unit configured to switch the switch unit to the OFF state if a value detected by the first voltage detection unit and/or the second voltage detection unit indicates a predetermined abnormal value.
US10819098B2 Flux based utility disturbance detector
A method for detecting a voltage disturbance on an electrical line coupled to a utility that provides three-phase electrical AC power signals to a critical load that includes a transformer. The method includes reading instantaneous voltage measurements at a high sample rate of each of the three-phase power signals, and calculating a flux in the transformer at the sample rate for each of three-phase power signals by adding the instantaneous voltage measurements at the current sample point and at a previous sample point. The method includes calculating a flux error for each of the three-phase signals at the sample rate as a difference between the newly calculated flux and the oldest calculated flux. The method determines whether the flux error for any of the three-phase power signals is greater than a first predetermined percentage or less than a second predetermined percentage, and if so, identifies a voltage disturbance.
US10819093B2 Stripping head and method for the operation thereof
An apparatus for removing at least one layer of the cladding of electrical conductors or light guides is provided with at least two clamping jaws which can be moved towards the conductor for fixing the conductor in the longitudinal direction. Furthermore, a rotary stripping head is provided which comprises at least one stripping blade which can rotate about the axis of rotation of the stripping head and which can be moved radially in relation to the axis of rotation for cutting through at least one layer of the cladding of the conductor and at least two centring jaws which can be moved radially in relation to the axis of rotation of the stripping head and which are arranged directly at the blade or blades for centring the conductor in the axis of rotation of the stripping head. At least one first drive system is provided for the centring jaws and at least one separate second drive system which can be actuated independently of the first drive system is provided for the stripping blade or blades.
US10819091B2 Snap adapter for tool component
A snap adapter for a wire stripping tool has a hollow body with a tool end, a component end, and a button. The tool end is sized for insertion into the tool body and the component end is sized for receiving a component meant to strip a cable of a specified diameter. The button comprises a pin feature for attaching the received component. Inserting the component into the snap adapter forces the pin away from the snap adapter hollow body to allow for full insertion of the component into the tool body. A spring disposed between the hollow body and button pushes the pin feature upwards through the hollow body to hold the component inside the snap adapter once the component is fully inserted. Removing the component requires pushing down the button to extract the pin feature, which allows the component to be slideably removed from the tool body.
US10819090B2 Draw wire apparatus
A draw wire apparatus, including: a rod and a motor for rotating the rod; a thread extending from the rod, for being attached to a draw wire, and shaped for advancing thereof upon the rotation of the rod; and an oil pump characterized in being operated by the rotation of the rod, and disposed adjacent to the draw wire, thereby drawing oil onto, thereby the motor lubricates the draw wire and as well advances thereof.
US10819085B2 Method for manufacturing optical semiconductor device
A ridge structure (9) having a ridge lower part (6), a ridge upper part (8) above the ridge lower part (6) and having a larger width than the ridge lower part (6), is formed on a semiconductor substrate (1). A recess (11) of the ridge structure (9), where the ridge lower part (6) is laterally set back from the ridge upper part (8) due to a difference in width between the ridge upper part (8) and the ridge lower part t (6), is completely filled with an insulating film (10) by an atomic layer deposition method to form a protrusion (19) from the semiconductor substrate (1), the ridge structure (9), and the insulating film (10) without any step in a side face of the protrusion (19).
US10819081B2 Discriminative remote sensing and surface profiling based on superradiant photonic backscattering
Disclosed is a system and method for remote sensing, surface profiling, object identification, and aiming based on two-photon population inversion and subsequent photon backscattering enhanced by superradiance using two co-propagating pump waves. The present disclosure enables efficient and highly-directional photon backscattering by generating the pump waves in properly pulsed time-frequency modes, proper spatial modes, with proper group-velocity difference in air. The pump waves are relatively delayed in a tunable pulse delay device and launched to free space along a desirable direction using a laser-pointing device. When the pump waves overlap in air, signal photons will be created through two-photon driven superradiant backscattering if target gas molecules are present. The backscattered signal photons propagate back, picked using optical filters, and detected. By scanning the relative delay and the launching direction while the signal photons are detected, three-dimensional information of target objects is acquired remotely.
US10819078B2 Method for manufacturing optical element and optical element
A method for manufacturing an optical element includes a bonding step of bonding a first and a second element portion to each other without interposing an adhesive therebetween. The bonding step includes: a first step of fixing the first and the second element portion with an intermediate layer disposed between these portion, the intermediate layer containing an element substitutable for a constituent element of a bonded portion in the first and the second element portion, the intermediate layer being colored; and a second step of integrating a part of the intermediate layer with the first and the second element portion, and making a part of the intermediate layer transparent to laser light by irradiating the intermediate layer with giant pulse laser light and causing it to be absorbed into the intermediate layer after the first step.
US10819077B2 Compression tool with biasing member
An assembly comprises a compression member configured to receive a force input from a compression tool and a frame including a cradle at one end, an end fitting at the other, and at least one structural member linking the cradle to the end fitting. The cradle is configured to engage one end of the connector and receives the prepared end of the coaxial cable. The end fitting is configured to detachably connect the frame to the compression tool and includes an aperture for receiving the force input from the compression tool. The structural member defines at least one surface configured to guide the compression member along the axis in response to the force input. The compression member imposes an axial force on the other end of the connector and is guided along the axis by the guide surface of the frame.
US10819076B2 Rotatable device powered by continued electricity supply and a windmill using said rotatable device
A rotatable device powered by continued electricity supply, having a supporting shaft, a bearing, a rotary body, a mounting seat, an electrical conductive member, and a brush. The bearing includes an outer ring and an inner ring. The rotary body is connected to the outer ring. One of the electrical conductive member and the brush is connected to the rotary body, and another one of the electrical conductive member and the brush is connected to the mounting seat. A windmill that uses the rotatable device is also provided.
US10819075B1 Magnetic connector for transmitting power, sound, video and other signals
A magnetic connector that transmits a plurality of signals from an input supply to a device is provided. The magnetic connector includes a first connector body coupled to the input supply and a second connector body coupled to the device, a first set of magnets disposed in the first connector body, and a second set of magnets disposed in the second connector body. The first and second connector bodies connect together with the exposed positive or negative magnetic pole of each magnet in the first set of magnets engaged with the exposed pole of one of the magnets in the second set of magnets having an opposite magnetic pole. Each engaged pair of one magnet in the first set of magnets and one magnet in the second set of magnets transmits one of the plurality of signals from the input supply to the device.
US10819070B2 Anti-theft bracket
An anti-theft bracket according to the present invention is an anti-theft bracket provided near a parking driver. The parking driver is connected to a parking actuator via a harness with a connector of the harness inserted in the parking driver. The anti-theft bracket includes a connector detachment restricting part covering the connector.
US10819067B2 Connector having an engaged part contacting an engagement projection after a tip end projection of the engaged part faces the engagement projection
In the connector, a female beak of a female housing includes a climbing surface formed on an end part at a removing direction side, and a tip end projection that protrudes in a removing direction from an end part at an upper direction side of the climbing surface. A male beak of a male housing includes a climbed surface formed on an end part at an inserting direction side, and that comes into contact with the climbing surface in a fitting direction. After connection of a male terminal housed in the male housing with a female terminal housed in the female housing is started, a tip end projection faces the male beak in a vertical direction. After the tip end projection faces the male beak, the climbing surface comes into contact with the climbed surface.
US10819066B2 Inlet apparatus of an electric vehicle and a control method thereof
An inlet apparatus includes: a locking pin; a holder configured to accommodate the locking pin; and a first electromagnet provided at a lower portion of the holder. The first electromagnet includes a lower coil for generating a repulsive force or an attractive force in a vertical direction with respect to the locking pin. The inlet apparatus also includes a second electromagnet provided at a side of the holder, the second electromagnet including a side coil for fixing the locking pin. The inlet apparatus also includes a controller configured to control a current of the lower coil of the first electromagnet and a current of the side coil of the second electromagnet.
US10819063B1 Sealed electric terminal with adhesive flow-out retarder
An electrical terminal having a terminal attachment portion, a wire attachment portion and a transition portion. The wire attachment portion is configured to receive wires of a cable therein. The transition portion extends between the terminal attachment portion and the wire attachment portion. A flow barrier is provided on the transition portion proximate an end of the transition portion. The flow barrier constrains an adhesive/sealant applied to the wires positioned in the wire attachment portion from flowing from the wire attachment portion to the terminal attachment portion.
US10819062B2 Waterproof connector
The invention discloses a waterproof connector. The waterproof connector includes a shell assembly, the shell assembly includes a metallic shell and a first sealing member, the metallic shell includes a top surface, a bottom surface and two lateral surfaces, a cavity is defined by the top surface, the bottom surface and the lateral surfaces, the first sealing member is sleeved on the peripheral of the metallic shell; a conductive assembly, the conductive assembly is received in the cavity, the conductive assembly includes an insulative housing, a plurality of contact terminals and a second sealing member, the insulative housing includes a base portion and a tongue extending forwardly from the base portion, the contact terminals are insert molded with the insulative housing, the second sealing member is assembled onto the insulative housing.
US10819060B2 Stacked connector
A stacked connector includes a first housing (10A) and a second housing (10B) to be stacked one on the other. The first and second housings (10A, 10B) respectively include first detecting portions (17A) and second detecting portions (17B) configured to interfere with incompletely inserted second terminal fittings (60B) and first terminal fittings (60A) on a first facing surface (11A) and a second facing surface (11B). The first housing (10A) is recessed with groove portions (35) formed in an outer side surface opposite to the first facing surface (11A) by cutting a region along a width direction, extending in a depth direction, and open on both ends in the depth direction.
US10819057B1 Electrical terminal with resilient contact arm with low insertion force and high normal force
An electrical terminal with a contact portion and a spring arm and a method of insertion. The contact portion has a mating terminal receiving cavity. The spring arm extends from a bottom wall into the mating terminal receiving cavity. The spring arm has a fixed end, a free end and a transition section extending between the fixed end and the free end. The bottom wall has an opening with a front wall and a rear wall. The spring arm extends from the front wall toward the rear wall. A coined area is provided proximate the rear wall of the opening on the bottom wall. The spring arm acts initially as a single supported cantilever beam and then, upon deflection, acts as a double supported beam.
US10819056B2 Female terminal
A female terminal (10) includes a female body (11) having a ceiling wall (12) and a bottom wall (15) facing each other. First contact pressure applying portions (20) apply a contact pressure by contacting a male terminal from the side of the ceiling wall (12), and second contact pressure applying portions (30) apply a contact pressure by contacting the male terminal from the side of the bottom wall (15). First contact portions (21) of the first contact pressure applying portions (20) and second contact portions of the second contact pressure applying portions (30) are shifted from each other in the front-rear direction. The contact pressure applied by the first contact pressure applying portions (20) is lower than the contact pressure applied by the second contact pressure applying portions (30).
US10819054B2 Electrical terminal of a thermocouple
An electrical terminal is disclosed. The electrical terminal has a contact made of a first kind of metal and a coupling member made of a second kind of metal fixed to the contact. The coupling member has a crimping portion crimped to press the first contact against an electrical wire made of the first kind of metal.
US10819053B1 Stacked multiport 10GBase-T midspan PSE for IEEE standard 802.3bt standard
A stacked RJ45 modular jack assembly includes a lower RJ45 jack portion having a bottom surface adapted to be mounted on a printed circuit board, the lower RJ45 jack having a plurality of lower connection fingers 1 through 8, an upper RJ45 jack portion disposed above the lower RJ45 jack portion the upper RJ45 jack having a plurality of upper connection fingers 1 through 8, and a data/RF components block including RF components, the data/RF components block mounted directly behind a rear surface of the stacked RJ45 modular jack assembly.
US10819052B2 Connector, header and connection device
A connector includes a housing and a contact held by a peripheral wall of the housing. The housing has a recess that another connector is put into and the peripheral wall surrounding the recess. The contact has a pair of holders and a pair of connecting parts included in the respective holders. The pair of the holders face each other through a first space that is disposed in the recess. The pair of the connecting parts each face the first space. The other connector is designed to be electrically connected to the pair of the connecting parts.
US10819049B2 Welded structure
Provided is a welded structure in which a voltage detection terminal (21) plated with tin and a busbar (25) plated with nickel are welded, the busbar (25) having a thickness greater than that of the voltage detection terminal (21) and being formed with a protrusion (25c) which protrudes toward the voltage detection terminal (21) on a part of a surface facing the voltage detection terminal (21) at the time of being welded with the voltage detection terminal (21).
US10819043B2 Wireless communication device, wireless communication method and program
To realize a wireless communication device enabling efficient mounting of a proximity sensor, the present invention is provided with: a first antenna; a second antenna which serves also as an electrode for detecting approach of an object; a wireless communicator for performing wireless communication with a connection destination, which uses the second antenna as an auxiliary in the communication, while being capable of performing the communication using the first antenna only; a detector for detecting approach of an object to the second antenna; a switch which couples the second antenna with either of the wireless communicator and the detector; and a controller for setting maximum transmission output of the wireless communicator at a predetermined value, on the basis of approach information on the object which is obtained by coupling of the second antenna with the detector performed by the switch, at a predetermined time interval.
US10819037B2 Radio system for long-range high-speed wireless communication
Devices and systems, and methods of using them, for point-to-point transmission/communication of high bandwidth signals. Radio devices and systems may include a pair of reflectors (e.g., parabolic reflectors) that are adjacent to each other and configured so that one of the reflectors is dedicated for sending/transmitting information, and the adjacent reflector is dedicated for receiving information. Both reflectors may be in a fixed configuration relative to each other so that they are aligned to send/receive in parallel. In many variations the two reflectors are formed of a single housing, so that the parallel alignment is fixed, and reflectors cannot lose alignment. The device/systems may be configured to allow switching between duplexing modes. These devices/systems may be configured as wide bandwidth zero intermediate frequency radios including alignment modules for automatic alignment of in-phase and quadrature components of transmitted signals.
US10819035B2 Launcher with helical antenna and methods for use therewith
Aspects of the subject disclosure may include, for example, a launching device including a transmitter configured to generate a radio frequency signal in a microwave frequency band. A helical antenna is configured to launch the radio frequency signal as a guided electromagnetic wave that is bound to an outer surface of a transmission medium, wherein the guided electromagnetic wave propagates along the outer surface of the transmission medium without an electrical return path. Other embodiments are disclosed.
US10819033B2 Transmitting and receiving radio signals with tunable antennas tuned based on throughput performance
An apparatus of a user equipment (UE) to perform tuning of a tunable antenna may comprise baseband circuitry and radio frequency (RF) circuitry. The baseband circuitry may determine an indication of throughput performance of a tunable antenna for the UE while the tunable antenna is in a first state. The RF circuitry may select a second state for the tunable antenna based on the indication of throughput performance for the tunable antenna. The second state may be selected to improve throughput performance of a data stream for the UE. The RF circuitry may also generate a control signal to transition the tunable antenna to the second state.
US10819031B2 Printed circuit board antenna and terminal
An antenna and a terminal are disclosed. In an embodiment an antenna includes a feedpoint disposed on a printed circuit board of a mobile terminal and a metal frame being an outer frame of a mobile terminal, wherein the metal frame has a split, a first ground point and a second ground point, wherein the first ground point and the second ground point are located at two sides of the split, the first ground point and the second ground point being grounded, wherein the metal frame between the feedpoint and the first ground point forms a first resonance loop, and wherein the metal frame between the feedpoint and the second ground point forms a second resonance loop.
US10819026B2 Cover member having curved surfaces, and radar apparatus incorporating the cover member
A radar apparatus is provided with transmitting means, receiving means, target detection means, azimuth detection means and a cover member. The cover member has a first face and a second face. The first face and second face are not parallel to one another. At least one of the first face and second face is a curved surface which is curved along azimuth detection directions of the azimuth detection means, such as to provide a large phase difference between incoming waves that are received by a plurality of antenna elements and are from within a range of large angular values in the azimuth detection directions of the azimuth detection means.
US10819021B2 Antenna module and mobile terminal
An antenna module and a mobile device are provided. The antenna module includes a radiator formed on a surface of the plastic rear housing facing the back cover, and a feed point, a first ground point, and a second ground point that are disposed on the motherboard. The antenna module further includes a matching network, a first tuning switch, and a second tuning switch. The feed point is connected to the radiator through the matching network. The first ground point is connected to the radiator through the first tuning switch. The second ground point is connected to the radiator through the second tuning switch. The surface of the plastic rear housing facing the back cover includes a first shaping zone for shaping the radiator and a second zone other than the first shaping zone, and the radiator completely covers the first shaping zone.
US10819015B2 Antenna system and mobile terminal
The present invention provides an antenna system applied to a mobile terminal. The mobile terminal includes a metal bezel, a plastic back shell and a main board. The antenna system includes a metal trace. The metal trace includes a feed section, a radiating section, a first loop unit and a second loop unit. The main board is provided with one feed point connected to both the feed section and the metal bezel, two ground points respectively connected to an end, away from the feed section, of the first loop unit and an end, away from the feed section, of the second loop unit, and a tuning switch connected to the metal bezel.
US10819014B2 Antenna system and mobile terminal
The present invention provides an antenna system and a mobile terminal. The antenna system comprises a metal frame, a main board received in the metal frame, and a first feeding point, a second feeding point, a first grounding point, a second grounding point, a third feeding point, a fourth feeding point, a third grounding point, a fourth grounding point, a first tuning switch, a second tuning switch, a first matching network, a variable capacitor, a third tuning switch, a fourth tuning switch, and a second matching network disposed at the main board. The metal frame is divided into a first radiating portion and a second radiating portion at the bottom and a third radiating portion and a fourth radiating portion at the top.
US10819013B2 Antenna structure and wireless communication device using the same
An antenna structure includes a housing, a first feed source, and a second feed source. The housing includes a side frame. The side frame defines a first gap, a second gap, and a groove. The first gap, the second gap, and the groove divide the side frame into a first radiating portion, an isolation portion, and a second radiating portion. The first feed source is electrically connected to the first radiating portion for supplying current to the first radiating portion. The second feed source is electrically connected to or being coupled to the second radiating portion for supplying current to the second radiating portion. The isolation portion is positioned between the first radiating portion and the second radiating portion. The isolation portion is grounded. The current from the first radiating portion and the current from the second radiating portion are respectively coupled to the isolation portion.
US10819008B2 Lighting device, streetlighting device, traffic light, and fabrication method
A lighting device includes a base, a transparent cover, an electronic circuit mounted to the base, and an antenna. The electronic circuit is connectable with a light emitting element adapted to emit a light through the transparent cover and/or a light receiving element adapted to receive a light through the transparent cover. The antenna has a radiating patch following a contour of an inner surface of the transparent cover and connected to the electronic circuit.
US10819007B2 Display device
Provided is a display device that ensures both of the conductivity for realizing the antenna function and the light transmissivity for transmitting light that forms a video image displayed on the display device, and at the same, allows short-range wireless communication to be performed in a wide range in a display section of the display device. A display device 100 includes a display panel 3, an antenna pattern 4 for driving, and antenna patterns 5A, 5B for propagation. The antenna driving unit drives the antenna pattern 4 for driving, at predetermined carrier wave frequency, whereby the antenna pattern 4 for driving and the antenna pattern 5A or 5B for propagation are electromagnetically coupled. As a result, proximity wireless communication can be performed in a wide range of a display area AR1 of the display device 100.
US10819006B2 TFT substrate, scanned antenna having TFT substrate, and method for manufacturing TFT substrate
A TFT substrate has a semiconductor layer, a gate metal layer including a gate electrode, a gate insulating layer, a source metal layer including a source electrode and a drain electrode, and a contact layer including a source contact portion and a drain contact portion. The source metal layer has a laminated structure including a lower source metal layer and an upper source metal layer, and an edge of the lower source metal layer is positioned inside an edge of the upper source metal layer. At least a portion, which does not overlap the source contact portion or the drain contact portion in the edge of the lower source metal layer and the edge of the upper source metal layer in the plurality of antenna unit regions when viewed in a direction normal to the dielectric substrate, is covered with at least two inorganic layers.
US10819005B2 Convertible mobile device
A convertible mobile device includes an upper cover, a base, a hinge element, a supporting element, an antenna structure, and a cover element. The hinge element is connected between the upper cover and the base, so that the convertible mobile device can flip over and operate in a notebook mode or a tablet mode. The antenna structure is disposed on the supporting element. The antenna structure includes a first radiation element and a second radiation element. One of the first radiation element and the second radiation element has a positive feeding point, and the other of the first radiation element and the second radiation element has a negative feeding point. A coupling gap is formed between the first radiation element and the second radiation element. The cover element covers the supporting element, the antenna structure, and at least a portion of the hinge element.
US10819002B2 AOG antenna system and mobile terminal
An AOG antenna system and a mobile terminal are provided. The AOG antenna system includes an Antenna in Package (AiP) disposed between the main board and the 3D glass back cover and electrically connected to the main board, and a metal antenna formed on a surface of the 3D glass back cover. The metal antenna includes a first antenna attached to an inner surface of the 3D glass back cover and a second antenna attached to an outer surface of the 3D glass back cover. A position of the first antenna corresponds to a position of the AiP and is fed with power by coupling to the AiP, and a position of the second antenna corresponds to the position of the first antenna and is fed with power by coupling to the first antenna.
US10818997B2 Waveguide interface and printed circuit board launch transducer assembly and methods of use thereof
A printed circuit board assembly comprising a plurality of layers. At least one of the plurality of layers is formed of a dielectric material and has an extended portion extending beyond the other layers in the plurality of layers. A first metallic layer is located on at least a portion of the extended portion of the dielectric layer. The first metallic layer and the dielectric layer are configured to form a launch transducer comprising one or more transmission lines and a transducer element coupled to the one or more transmission lines. The transducer element is configured to propagate millimeter wave frequency signals.
US10818993B2 Branch circuit
There is provided a branch circuit that comprises a first conductor and a second conductor as at least two branches from a predetermined branch point, a first stub connected to the first conductor at a first point, and a second stub connected to the second conductor at a second point, wherein the first point is a point where a length of a portion between the predetermined branch point and the first point of the first conductor is set to a first length determined in accordance with a characteristic of the first stub, and the second point is a point where a length of a portion between the predetermined branch point and the second point of the second conductor is set to a second length determined in accordance with a characteristic of the second stub and is different from the first length.
US10818986B2 Battery-cooling device for vehicle and manufacturing method of same
A battery-cooling device for a vehicle is provided. The device includes a plurality of frames provided with battery cells mounted thereto and having apertures provided in opposite side surfaces of lower ends of the frames. A pipe is inserted through the apertures. A coolant inlet is mounted on a first side surface of a lower end of each of the plurality of frames and communicates with a first end of the pipe. A coolant is introduced into the coolant inlet. Additionally, a coolant outlet is mounted on a second side surface of the lower end of each of the plurality of frames and communicates with a second end of the pipe. The coolant is then discharged from the coolant outlet.
US10818985B2 Heat exchanger for cooling electrical element
The present invention relates to a heat exchanger for cooling an electrical element and a heat exchanger assembly for cooling an electrical element, and more particularly, to a heat exchanger for cooling an electrical element and a heat exchanger assembly for cooling an electrical element into which the electrical element may be easily inserted and in which both surfaces of the electrical element and a tube through which a coolant flows are formed to contact each other to improve cooling performance.
US10818982B2 Quick charge battery
The disclosure is related to a quick charge battery which includes a battery cell, a cap assembly, a quick charge assembly and an insulating film. The cap assembly protrudes from the battery cell. The cap assembly includes a main body and an electrically conductive member. The electrically conductive member is located on a side of the main body away from the battery cell. The quick charge assembly is located in the main body and is located between the battery cell and the electrically conductive member. The quick charge assembly includes a circuit board and a quick charge connector. The quick charge connector is electrically connected to the battery cell. The electrically conductive member is electrically connected to the battery cell. The insulating film is sleeved on the battery cell and the cap assembly. The quick charge connector is exposed from the main body and the insulating film.
US10818979B2 Single sided reusable battery indicator
A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connection mechanism having a first connector and a retainer. The first connector and the retainer are electrically connected to the voltage sensor, and the first connector is adapted to be removably connected to a first battery terminal, thereby providing an electrical connection between the voltage sensor and the first battery terminal. The retainer is adapted to removably secure the voltage sensor to a can of a battery, thereby providing an electrical connection between the voltage sensor and the can of the battery. An electrical circuit is completed between the voltage sensor and the first battery terminal and between the voltage sensor and the can.
US10818974B2 Electrode assembly manufacturing method including separator cutting process
Provided is an electrode assembly manufacturing method including a process of cutting a separator included in an electrode assembly to have a margin protruding from an electrode plate. The method includes a first process of manufacturing one type of basic unit sheets having a structure in which electrode materials and separator materials, which are the same in number, are alternately stacked, or two or more types of basic unit sheets having a structure in which electrode materials and separator materials, which are the same in number, are alternately stacked, and a second-A process of cutting a portion of a margin area of the separator materials, which are not covered with the electrode materials, such that the separator materials of the basic unit sheets protrude over a specific distance from edges of the electrode materials.
US10818970B2 All-solid battery
Disclosed is an all-solid battery, including a cathode, an anode, and a solid electrolyte layer. The solid electrolyte layer may include a first solid electrolyte having an ionic conductivity ranging from greater than about 5×10−3 S/cm to about 1×10−1 S/cm and a second solid electrolyte having an ionic conductivity ranging from greater than about 5×10−4 S/cm to about 1×10−2 S/cm.
US10818968B2 Method of preparing a gallium-doped LLZO solid electrolyte for an all-solid-state lithium secondary battery
A method of preparing a gallium-doped LLZO solid electrolyte includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution comprising a metal aqueous solution including lanthanum (La), zirconium (Zr) and gallium (Ga), a complexing agent and a pH controller to coprecipitation; (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry; (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source; (d) preparing a gallium-doped LLZO solid electrolyte represented by Chemical Formula 1 below by calcining the mixture at 600 to 1,000° C.; and (e) thereafter sintering the solid electrolyte represented by Chemical Formula 1 at 1,000 to 1,300° C. By adjusting amounts of starting materials and controlling flow rates of supplied materials, a high-precision cubic structure with improved sintering properties is obtained and ionic conductivity of the solid electrolyte is increased. LixGayLazZrwO12, (5≤x≤9, 0
US10818966B2 Sulfide solid electrolyte with argyrodite type crystal structure
Aimed at providing a sulfide solid electrolyte comprising an argyrodite type crystal structure, having a high ionic conductivity due to presence of a large amount of a halogen element and is capable of suppressing agglomeration at the time of production. Provided is a sulfide solid electrolyte comprising lithium, phosphorus, sulfur and one or more elements X selected from halogen elements, wherein the sulfide solid electrolyte comprises an argyrodite type crystal structure, and wherein a molar ratio of the lithium to the phosphorus “a (Li/P)”, a molar ratio of the sulfur to the phosphorus “b (S/P)” and a molar ratio of the element X to the phosphorus “c (X/P)” satisfy the following formulas (1) to (3): 5.0≤a<7.3  (1) 0.70≤a−b<1.0  (2) 7.00 and c>0.
US10818963B2 Solid electrolyte composition, electrode sheet for all-solid-state secondary battery, all-solid-state secondary battery, and methods for manufacturing electrode sheet for all-solid-state secondary battery and all-solid-state secondary battery
Provided are a solid electrolyte composition containing an inorganic solid electrolyte having ion conductivity of ions of metals belonging to Group I or II of the periodic table, linear structures having an average diameter of 0.001 to 1 μm, an average length of 0.1 to 150 μm, a ratio of the average length to the average diameter of 10 to 100,000, and an electric conductivity of 1×10−6 S/m or less, and organic solvents, an electrode sheet for an electric state secondary battery and an all-solid state secondary battery for which the solid electrolyte composition is used, and methods for manufacturing an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery.
US10818962B2 Negative electrode, lithium ion secondary battery, method of manufacturing negative electrode, and method of manufacturing lithium ion secondary battery
A negative electrode contains at least composite particles. The composite particles each contain a negative electrode active material particle and a coating. The coating is formed on a surface of the negative electrode active material particle. The coating contains at least a metal organic framework. The metal organic framework is formed by alternately stacking a first layer and a second layer. The first layer is formed by stacking an aromatic compound in a direction intersecting with a direction of stack of the first layer and the second layer. The aromatic compound contains two carboxylate anions. The two carboxylate anions satisfy para-positional relation. The second layer is formed of lithium ions coordinated to the carboxylate anion.
US10818949B2 Proton conducting membrane and fuel cell comprising the same
A proton conducting membrane (16) for a fuel cell comprises light-transmissive proton conducting material (102, 104) and light scattering material (106) for scattering light within the membrane, the membrane further comprising a light guide (108) through which light can enter the membrane. Also disclosed is a fuel cell comprising the membrane.
US10818948B2 Explosion-protected fuel cell system and method for deactivating a fuel cell system
The invention relates to a fuel cell system having lines for feeding hydrogen from a high-pressure hydrogen reservoir into a fuel cell assembly. The lines have a high-pressure region, a medium-pressure region, and a fuel cell operating-pressure region. The lines of the medium-pressure region are pressure-relieved upon deactivation of the fuel cell system in order to avoid hydrogen diffusing out during standstill periods of the fuel cell system, and to thus avoid the formation of explosive hydrogen/air mixtures. The invention also relates to a tank module, which is configured for pressure relieving, to a method of deactivating and re-activating the fuel cell system, to the use of a 3/2-way valve for pressure-relieving the medium-pressure region of the hydrogen lines of a fuel cell system, and to a motor vehicle having a fuel cell system or tank module.
US10818946B2 Fuel cell system and method for controlling the same
A fuel cell system that has a fuel cell stack is provided. The system includes an electrolyte membrane, and a cathode and an anode that are a pair of electrodes disposed on opposite sides of the electrolyte membrane. A controller applies voltages to the cathode and the anode of the fuel cell stack before hydrogen that operates the fuel cell stack is supplied to the anode. When the voltages are applied to the cathode and the anode, hydrogen that resides in the cathode flows to the anode through the electrolyte membrane to decrease the concentration of the hydrogen in the cathode. The fuel cell system reduces the concentration of hydrogen discharged to the outside of the vehicle by reducing the concentration of hydrogen in the cathode before driving of the fuel cell is initiated.
US10818942B2 Method and system for estimating hydrogen concentration of fuel cell
A method for estimating a hydrogen concentration of a fuel cell includes estimating an initial amount of gas included at an anode side of a fuel cell, calculating a crossed over amount of gas between the anode side and a cathode side of the fuel cell and an amount of gas purged from the anode side to the outside from time when an initial amount of gas is predicted to a present time, and estimating a current hydrogen concentration at the anode side based on the predicted initial amount of gas, the calculated amount of crossed over gas, and the amount of purged gas.
US10818937B2 Separation plate, manufacturing method therefor, and fuel cell stack comprising same
The present invention relates to a separation plate, a manufacturing method therefor, and a fuel cell stack comprising the same, and according to one aspect of the present invention, provided is a separation plate having: a first surface and a second surface in a direction opposite to that of the first surface; a plurality of channel elements protruding from the second surface toward the first surface, wherein each of the channel elements is arranged to have an inlet port and an outlet port along the flowing direction of a fluid flowing on the first surface; and a rib having a height varying along the circumferential direction of a virtual axis connecting the inlet port and the outlet port, wherein at least a partial region of an outer surface of the rib is formed into a cycloid curved surface along the circumferential direction of the virtual axis.
US10818935B2 Fuel cell module, manufacturing method thereof, and connector
A connector is moved obliquely to a first separator. An optical distance measuring device is used to optically measure an attachment position of the connector while using the first separator as a reference. A reference plane of the first separator is used as a reference. An inspection plane of the connector is also used as a reference. The inspection plane is formed to be parallel to the reference plane in the state that the connector is accurately attached to an attachment portion.
US10818933B2 Methods, catalysts, and supports for electrochemical devices
Embodiments described herein relate to methods for preparing catalysts and catalyst supports. In one embodiment, transition metal carbide materials, having a nanotube like morphology, are utilized as a support for a precious metal catalyst, such as platinum. Embodiments described herein also relate to proton exchange membrane fuel cells that incorporate the catalysts described herein.
US10818931B2 Air electrode material, air electrode, metal-air battery, and fuel cell
An air electrode material according to the present disclosure contains a plurality of composite particles, wherein each of the composite particles contains a core particle and a plurality of covering particles covering the core particle, the core particle is formed of a material with catalytic activity for an oxygen reduction reaction, the covering particles are formed of an electrically conductive material and are mechanically bonded to the core particles or other covering particles, and the median size of the core particles ranges from 100 to 1000 times the average primary particle size of the covering particles.
US10818924B2 Positive electrode plate, preparation method thereof and sodium-ion battery
The present disclosure provides a positive electrode plate, a preparation method thereof and a sodium-ion battery. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material film. The positive electrode active material film provided on the positive electrode current collector and comprises a positive electrode active material. The positive electrode active material comprises a prussian blue analogue material, a molecular formula of the prussian blue analogue material is AxM[M′(CN)6]y, a water content of the positive electrode active material film is 100 μg/g˜5000 μg/g. The water content of the positive electrode active material film is controlled within a certain range, which can not only ensure the sodium-ion battery do not seriously swell during charge-discharge process, but also can ensure sodium-ion battery have excellent charge-discharge performance and cycle performance.
US10818920B2 Negative electrode active material for electrical device
A negative electrode active material having high cycle durability contains an alloy represented by the following chemical formula (1): SixSnyMzAa  (1) wherein M is Zn, A is unavoidable impurities, x, y, z, and a represent % by mass values, and in that case, 0
US10818919B2 Polymer coatings and anode material pre-lithiation
Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.
US10818918B2 Method for making cathode active material coating liquid and method for coating cathode active material
The present disclosure provides a method for making a cathode active material coating liquid. A phosphate ester solution is formed by adding a phosphate ester in an alcoholic solvent. An aluminum nitrate is introduced in the phosphate ester solution. The aluminum nitrate is soluble to the alcoholic solvent, and reacts with the phosphate ester to form a homogeneous clear solution. A pH value of the homogeneous clear solution is regulated to a range from about 6 to about 7 by adding an acidity regulator. The acidity regulator contains ammonium cation. The ammonium nitrate is removed from the clear solution after regulating the pH value. A method for coating the cathode active material is also provided.
US10818916B2 Positive electrode active material for secondary battery and secondary battery including the same
Provided are a positive electrode active material for a secondary battery which may exhibit excellent capacity and life characteristics when used in the battery by including a core, and a surface treatment layer disposed on a surface of the core, wherein the core is a secondary particle including a plurality of primary particles, the primary particles include a polycrystalline lithium composite metal oxide of Formula 1 having an average grain diameter of 50 nm to 200 nm, and the surface treatment layer includes a lithium oxide including lithium and at least one metal selected from the group consisting of boron (B), tungsten (W), hafnium (Hf), niobium (Nb), tantalum (Ta), molybdenum (Mo), silicon (Si), tin (Sn), and zirconium (Zr), and a secondary battery including the same, LiaNi1-x-yCoxM1yM3zM2wO2  [Formula 1] (in Formula 1, M1, M2, M3, a, x, y, z, and w are the same as those defined in the specification).
US10818909B2 Energy storage device with a first metal layer formed from a precursor layer upon charge and diffused into a cathode during discharge
Embodiments of the present invention are in the field of materials, apparatus, process, methods, and designs for manufacture of a thin film energy storage devices with a capacity greater then 1 mA-hr-cm−2 including thin film Lithium metal and Li+ ion batteries and capacitors having high energy density and high cycle life due to the incorporation of at least one vacuum thin film with respect to protection and electrical conductivity of the electrodes, and at least one vacuum thin film electrolyte for electrical insulation of the electrodes and ion conduction after assembly for low self discharge and high cycle life battery cells.
US10818904B2 Connection member
A through hole is provided in an insulating member. A bus bar is provided in the insulating member and constructed to electrically connect adjacent modules to each other when the insulating member is attached to a fixing member. A fastening bolt fastens the insulating member to the fixing member by being coupled to a nut through the through hole. A nut is provided in the through hole, and the through hole is provided to extend toward the fixing member when the insulating member is attached to the fixing member.
US10818903B1 Polypropylene carbonate and catalysts
The disclosure is directed to an apparatus comprising a substrate and a composition disposed on the substrate. The catalyst comprises a polypropylene carbonate (PPC) and a catalyst selected from the group consisting of an acid with a pKa less than or equal to 1 in water, a phase transfer catalyst, and a metal salt. The substrate and composition can be used in insulators between batteries, for example in a battery pack.
US10818902B2 Electrode assembly and radical unit for the same
According to the present disclosure, there is provided an electrode assembly comprising (a) a structure in which one kind of radical unit is repeatedly disposed, the one kind of radical unit having a same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, the at least two kinds of radical units each having a same number of electrodes and separators which are alternately disposed and integrally combined.
US10818901B2 Laminated cell and method for manufacturing same
A laminated cell (100) of the present invention includes a laminated body (120) formed by sequential stacking a negative electrode (130), a separator (170, 180), a positive electrode (150), and a separator (170, 180). At least one of surfaces of the positive electrode (150) or the negative electrode (130) in a stacking direction (S) has a portion to which a resin member (190) is bonded. The separators each have a portion bonded to the resin member (190) on a side facing the at least one of surfaces. In the present invention, since the separators and at least one of the positive electrode and the negative electrode are integrated together, misalignment in a stacking work can be easily suppressed and the laminated cell has excellent productivity.
US10818899B2 Co-extruded, multi-layered battery separator
A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of <0.80 microns (μm); or an interply adhesion as defined by a peel strength >60 grams.
US10818898B2 Separator for electrochemical elements and electrochemical element including separator for electrochemical elements
A separator for electrochemical elements includes beaten solvent-spun cellulose fibers and rayon fibers having a fiber diameter of 9.5 μm or less. More preferably, the separator for electrochemical elements has a content of the rayon fibers relative to all fibers of 10 to 25% by mass, and can be applied to electrochemical elements such as electric double layer capacitors, hybrid capacitors, redox capacitors, and lithium secondary batteries. The separator can provide low internal short circuit failure rates and high surface strength.
US10818897B2 Connection element for a battery box, and battery box and method for the production thereof
The invention relates to a connecting element (1) to connect a battery cell (15) of an electric vehicle (16) to a battery box (10), wherein the connecting element (1) has at least one connecting section (5) for connection to the battery cell and is joined to the battery box (10). The problem addressed by the invention is that of being able at least largely to dispense with the need to use filler material when joining the connecting element to the baseplate of the battery box so as to improve its quality and make it more cost-effective. The problem is solved by a connecting element (1) that has at least one joining section (2) for securely connecting the connecting element to the battery box (10).
US10818895B2 Bus bar module and power supply unit
A bus bar module includes a plurality of bus bars in which a plurality of battery cells of a battery assembly electrically connect to each other, a plurality of electric wires electrically connected to the plurality of bus bars, and an electric wire routing structure that accommodates the plurality of electric wires. The electric wire routing structure includes a plurality of electric wire routing grooves formed in an upwardly opening gutter shape and disposed along an overlapping direction of the plurality of battery cells, and a plurality of lids connected to first side walls of the plurality of electric wire routing grooves via hinges so as to be rotatable and covering the plurality of electric wire routing grooves so as to block groove openings of the plurality of electric wire routing grooves, respectively.
US10818893B2 Air-zinc battery assembly
An air-zinc battery assembly includes a first air-zinc battery module that has a first coupling portion which is embossed or engraved, one or more second air-zinc battery modules that has a second coupling portion which is embossed or engraved so as to be fastened in engagement with the first coupling portion, and a third coupling portion which is embossed or engraved, and a power draw module that has a fourth coupling portion which is embossed or engraved so as to be fastened in engagement with the third coupling portion.
US10818884B2 Pouch-type secondary battery including pouch case with concave groove having bottom surface with area larger than opening area of concave groove and pouch film forming apparatus
Disclosed is a pouch-type secondary battery, which includes an electrode assembly having a positive electrode plate and a negative electrode plate disposed to face each other and a pouch case having a concave groove formed to accommodate the electrode assembly, wherein the pouch case includes a first pouch film and a second pouch film thermally fused to the first pouch film, and wherein a concave groove is formed in at least one of the first pouch film and the second pouch film, and the concave groove has a bottom surface on which the electrode assembly is placed so that the bottom surface has an area equal to or greater than an area of a reference surface that covers an opening of the concave groove.
US10818880B2 Display device
An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.
US10818877B2 Mask assembly, apparatus and method of manufacturing display device using the same, and display device
Provided are a display device, a mask assembly, and an apparatus and a method for manufacturing the display device. The mask assembly includes: a mask frame; at least two mask sheets installed on the mask frame, each of the mask sheets including a plurality of openings; and at least two thin shielding plates installed on the mask frame such that the thin shielding plates are spaced apart from each other and shield a portion of the plurality of openings of each mask sheet, wherein one of the mask sheets and the thin shielding plates includes a shielding portion between the thin shielding plates spaced apart from each other, the shielding portion selectively blocking at least portions of the openings so as to form a deposition region having a shape other than a rectangle or a square.
US10818876B2 Organic light-emitting diode (OLED) display panel and manufacturing method thereof
The present disclosure relates to an organic light-emitting diode (OLED) display panel, including: a substrate, an OLED array layer configured on the substrate, a thin film packaging layer configured on the substrate and the OLED array layer, and a light extraction layer configured within the thin film packaging layer. The OLED array layer includes a plurality of OLED components arranged in matrix. The thin film packaging layer includes at least two inorganic barrier layers and at least one organic buffer layer. One side of the inorganic barrier layer facing away the substrate includes a plurality of pixel grooves corresponding to tops of each of the OLED components. The light extraction layer is configured within the pixel grooves, and the light extraction layer is covered by a flattening film configured to seal the light extraction layer within the pixel grooves, so as to flatten a surface of the inorganic barrier layer.
US10818874B2 Electroluminescent device having light transmitting region of non-through-hole structure
An electroluminescent device, including: a lower structure; and an encapsulation structure disposed on the lower structure, wherein the lower structure includes: a display region; a light transmitting region having a non-through-hole structure including at least a portion surrounded by the display region; and a buffer region having at least a portion extending along an outline of the light transmitting region between the display region and the light transmitting region to separate the display region and the light transmitting region from each other, and wherein the lower structure further includes a light blocking structure extending along the outline of the light transmitting region in the at least the portion of the buffer region.
US10818873B2 Display device and manufacturing method thereof
A display device includes a bending area at which the display device is bendable; an organic light emitting element disposed on the substrate; an encapsulation layer covering an upper surface and a side surface of the organic light emitting element; and a bending area protection layer covering the bending area of the substrate. The upper surface of the encapsulation layer includes a nano structure defined by nano sized protrusions and depressions of the upper surface, and along the substrate, and the bending area is disposed separated from the encapsulation layer.
US10818866B2 Organic electroluminescent device, production method thereof, and display apparatus
An organic electroluminescent device, a production method thereof, and a display apparatus are disclosed. Specifically, the organic electroluminescent device includes: a substrate; a pixel defining layer on the substrate; and a hole injection layer on the substrate, wherein the hole injection layer is located in a pixel defining opening of the pixel defining layer, wherein the hole injection layer includes a first hole injection sub-layer and a second hole injection sub-layer covering the first hole injection sub-layer, an orthographic projection area of the second hole injection sub-layer on the substrate is greater than the orthographic projection area of the first hole injection sub-layer on the substrate, and a hole mobility of the second hole injection sub-layer is greater than the hole mobility of the first hole injection sub-layer.
US10818862B2 Organic light emitting display device
An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
US10818858B2 Electroluminescent device and display device comprising the same
An electroluminescent device and a display device including the same are disclosed. The electroluminescent device includes a first electrode, an electron transport layer disposed on the first electrode and including inorganic oxide particles, a self-assembled monolayer disposed on the electron transport layer, an emission layer disposed on the self-assembled monolayer and including light emitting particles, a hole transport layer disposed on the emission layer, and a second electrode disposed on the hole transport layer.
US10818857B2 Organic photosensitive device with an electron-blocking and hole-transport layer
The present disclosure provides a photosensitive device. The photosensitive device includes a donor-intermix-acceptor (PIN) structure. The PIN structure includes an organic hole transport layer; an organic electron transport layer; and an intermix layer sandwiched between the hole transport organic material layer and the electron transport organic material layer. The intermix layer includes a mixture of an n-type organic material and a p-type organic material.
US10818856B2 Method for fabricating thin film transistor, method for fabricating array substrate, and a display apparatus
The present application provides a method for fabricating a thin film transistor, a method for fabricating an array substrate, and a display apparatus. A method for fabricating a thin film transistor including: providing a substrate; covering an isolating layer on the substrate; coating an active layer precursor solution on the isolation layer; forming an active layer thin film by the active layer precursor solution; dividing the active layer thin film into a small module active layer, the mobility of the active layer of the thin film transistor is increased, and to drive the quantum dot light emitting device of the array substrate through the thin film transistor with high mobility to improve the display luminescence performance of the display apparatus.
US10818853B2 Organic electroluminescent materials and devices
Organic light emitting devices incorporating a film of metal complex emitters that are oriented with their transition dipole moment vectors oriented parallel to the device substrate enhances the outcoupling and eliminate the need for micro-lens arrays, gratings, or other physical extraneous outcoupling methods.
US10818845B2 Organic electronic device
The present invention relates to an organic electronic device, comprising a first electrode, a second electrode, and a substantially organic layer comprising a compound according to formula (I) between the first and the second electrode: wherein A1 is a C6-C20 arylene and each of A2-A3 is independently selected from a C6-C20 aryl, wherein the aryl or arylene may be unsubstituted or substituted with groups comprising C and H or with a further LiO group, provided that the given C count in an aryl or arylene group includes also all substituents present on the said group.
US10818843B2 Polymer compound and light emitting device using the same
A polymer compound comprising a constitutional unit represented by the following formula (1) and a constitutional unit represented by the following formula (X) and/or a constitutional unit represented by the following formula (Y), wherein the content of the hydroxyl groups contained in the polymer compound is less than 0.02 mol %: Ar1  (1) [wherein, Ar1 represents an arylene group and this group optionally has a substituent.] [wherein, aX1 and aX2 each independently represent an integer of 0 or more. ArX1 and ArX3 each independently represent an arylene group or a divalent heterocyclic group and these groups each optionally have a substituent. ArX2 and ArX4 each independently represent an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent. When there are a plurality of ArX2 and a plurality of ArX4, each of them may be the same or different. RX1, RX2 and RX3 each independently represent an alkyl group, an aryl group or a monovalent heterocyclic group and these groups each optionally have a substituent. When there are a plurality of RX2 and a plurality of RX3, each of them may be the same or different.] ArY1  (Y) [wherein, ArY1 represents an arylene group, a divalent heterocyclic group or a divalent group in which at least one arylene group and at least one divalent heterocyclic group are bonded directly to each other, and these groups each optionally have a substituent.].
US10818838B1 Phase change memory
An embodiment of the invention may include a method of forming, and the resulting semiconductor structure. The method may include removing a portion of an Mx+1 layer insulator above an Mx conductive layer located in an Mx layer insulator. The method may include depositing an Mx+1 conductive layer in the removed portion of the Mx+1 layer insulator. The method may include removing a portion of Mx+1 conductive layer to form a first portion of Mx+1 conductive layer. The method may include forming spacers above the first portion of Mx+1 conductive layer and in the removed portion of the Mx+1 layer insulator. The method may include forming a second Mx+1 conductive layer. The method may include forming a phase change material on the second Mx+1 conductive layer.
US10818837B1 Seed layers for a non-volatile memory element
Structures for a non-volatile memory element and methods of fabricating a structure for a non-volatile memory element. The structure includes a bottom electrode, a seed layer on the bottom electrode, and a magnetic-tunneling-junction layer stack on the seed layer. The seed layer is composed of a nickel-chromium-ruthenium alloy including ruthenium in an amount ranging from seven atomic percent by weight to eighty-four atomic percent by weight.
US10818835B2 Inertial piezoelectric device
An inertial piezoelectric device has: A) piezoelectric capacitor having a substrate; 2) a dry piezoelectric layer comprising a piezoelectric material; 3) a first electrode arranged contiguously with one opposing surface of the dry PL; and 4) a second electrode arranged contiguously with a second opposing surface of the first dry PL. The first dry electrically-conductive layer consists essentially of: (a) an electrically-conductive material; and (b) particles having a Young's modulus that is different from the Young's modulus of the (a) electrically-conductive material by at least 10%. The device also has B) signal processing electronics in electrical communication with the piezoelectric capacitor; C) a means for converting all or a portion of an applied force to an inertial force that is transmitted to the first dry PL; and optionally D) a proof mass that is contiguous with at least one external surface of the piezoelectric capacitor.
US10818831B2 Method for producing a thermoelectric object for a thermoelectric conversion device
A method for producing a thermoelectric object for a thermoelectric conversion device is provided. A starting material which has elements in the ratio of a half-Heusler alloy is melted and then cooled to form at least one ingot. The ingot is homogenized at a temperature of 1000° C. to 1400° C. for a period of time t, wherein 0.5 h≤t<12 h or 24 h
US10818830B2 LED chip with improved bonding strength and LED module using the LED chip
An LED module is disclosed. The LED module includes: a mount substrate including electrodes; an LED chip including a semiconductor stacked structure, a passivation layer covering the outer surface of the semiconductor stacked structure, and electrode pads connected to the outer surface of the semiconductor stacked structure through openings formed in the passivation layer; and solder bumps connecting the electrode pads to the corresponding electrodes and formed using a solder material represented by Sn-M (where M is a metal).
US10818829B2 Flip-chip light-emitting module
A flip-chip light-emitting module includes a main circuit board, a heat dissipation substrate, a package assembly, and a light-emitting chip. The package assembly includes a frame surrounding the heat dissipation substrate and a lens unit disposed in the frame. The frame includes a first conductive path and at least two second conductive paths separated from each other, and the first conductive path and the second conductive paths are electrically connected to the main circuit board. The light-emitting chip is disposed on a heat dissipation substrate including a top conductive contact and a light-emitting surface on the same side of the light-emitting chip. The top conductive contact is electrically connected to the first conductive path through a conductor. The lens unit is provided with at least one light-transmitting conductive layer electrically connected to the at least two second conductive paths.
US10818828B2 Method and apparatus for a low profile light fixture
A method and apparatus for a horticultural light for use in a horticultural facility is provided to minimize a dimension (e.g., height dimension) of the horticultural light. A sheet lens is adhered directly onto the printed circuit board and optionally the underlying metallic backing plate so as to environmentally seal the horticultural light. The sheet lens is comprised of polycarbonate and is pneumatically and/or thermally manipulated to include dome portions that are disposed in proximity to the respective one or more LEDs. Light generated by the LED is incident onto the inner surface of the respective dome portion at right angles through the entire beam angle. Accordingly, substantially none of the light is reflected back into the dome, but is rather propagated to an exterior of the light.
US10818827B2 Light-emitting device
A light-emitting device is provided. The light-emitting device includes a light-emitting element having a peak light-emitting wavelength in the range of 440 nm to 470 nm, and a fluorescent member. The fluorescent member includes a first fluorescent material having a peak light-emitting wavelength in the range of 480 nm to less than 520 nm, a second fluorescent material having a peak light-emitting wavelength in the range of 520 nm to less than 600 nm, and a third fluorescent material having a peak light-emitting wavelength in the range of 600 nm to 670 nm. The light-emitting device has a ratio of an effective radiant intensity for melatonin secretion suppression to an effective radiant intensity for blue-light retinal damage of 1.53 to 1.70 when the light-emitting device emits light with a correlated color temperature of 2700 K to less than 3500 K; 1.40 to 1.70 when the light-emitting device emits light with a correlated color temperature of 3500 K to less than 4500 K; 1.40 to 1.70 when the light-emitting device emits light with a correlated color temperature of 4500 K to less than 5700 K; and 1.35 to 1.65 when the light-emitting device emits light with a correlated color temperature of 5700 K to 7200 K.
US10818823B2 Group III nitride semiconductor light-emitting element and wafer including such element configuration
A group III nitride semiconductor light-emitting element is provided which includes an active layer between an n-type layer and a p-type layer, an n-electrode on the n-type layer, and a p-electrode on the p-type layer, and having a mesa structure including the p-type layer, and is characterized in that: the p-electrode has, in a top view of the group III nitride semiconductor light-emitting element, a protruding portion in a mesa end direction and an n-electrode non-formation region in the vicinity of the mesa end of a projecting end portion of the protruding portion.
US10818822B2 Light emitting device and light-emitting module having same
A light emitting device disclosed in the embodiment includes: a body including a recess having an open upper portion; a plurality of electrodes disposed at a bottom of the recess; and a light emitting diode disposed on at least one of the plurality of electrodes, wherein a side surface of the recess is inclined at a first angle with respect to an optical axis of the light emitting diode, and a value obtained by multiplying a value of a minimum distance between the light emitting diode and the side surface of the recess by a tangent value for the first angle ranges from 0.21 to 0.42.
US10818819B2 Micro light emitting device and display apparatus
A micro light emitting device including a component layer, a first electrode and a second electrode is provided. The component layer includes a main body and a protruding structure disposed on the main body. The first electrode is electrically connected to the component layer. The second electrode is electrically connected to the component layer. The first electrode, the second electrode and the protruding structure are disposed on the same side of the main body. The protruding structure is located between the first electrode and the second electrode. A connection between the first electrode and the second electrode traverses the protruding structure. The main body has a surface. The protruding structure has a first height with respect to the surface. Any one of the first electrode and the second electrode has a second height with respect to the surface. The relation 0.8≤H1/H2≤1.2 is satisfied, wherein H1 is the first height and H2 is the second height. A display apparatus having a plurality of micro light emitting devices is provided as well.
US10818818B2 Semiconductor device
A semiconductor device includes: a first semiconductor region; and a first electrode on the first semiconductor region; wherein first semiconductor region includes a first layer and a second layer, the second layer includes a first portion and a second portion adjacent to the first portion, the first portion has a first thickness, the second portion has a second thickness less than the first thickness, the first layer includes a first material and a first dopant, the first material includes multiple elements, the first dopant has a first concentration, the second layer includes a second material and a second dopant, the second material includes multiple elements, the second dopant has a second concentration, one of the elements of the first material of the first layer is different from the elements of the second material of the second layer.
US10818817B2 Cascade-type hybrid energy cell
There is described a cascade-type compact hybrid energy cell (CHEC) that is capable of individually and concurrently harvesting solar, strain and thermal energies. The cell comprises an n-p homojunction nanowire (NW)-based piezoelectric nanogenerator and a nanocrystalline/amorphous-Si:H single junction cell. Under optical illumination of ˜10 mW/cm2 and mechanical vibration of 3 m/s2 at 3 Hz frequency, the output current and voltage from a single 1.0 cm2-sized CHEC was found to be 280 μA and 3.0 V, respectively—this is are sufficient to drive low-power commercial electronics. Six such CHECs connected in series were found to generate enough electrical power to light emitting diodes or drive a wireless strain gauge sensor node.
US10818813B2 Semiconductor device and manufacturing method thereof
In order to improve the performance of a semiconductor device, a semiconductor layer EP is formed over a p-type semiconductor PR. An n-type semiconductor layer NR1 is formed over the semiconductor layer EP. The semiconductor layer PR, the semiconductor layer EP, and the semiconductor layer NR1 respectively configure part of a photoreceiver. A cap layer of a material different from that of the semiconductor layer EP is formed over the semiconductor layer EP, and a silicide layer, which is a reaction product of a metal and the material included in the cap layer, is formed within the cap layer. A plug having a barrier metal film BM1 is formed over the cap layer through the silicide layer. Here, a reaction product of the metal and the material included in the semiconductor layer NR1 is not formed within the semiconductor layer NR1.
US10818808B2 Method of producing nanograin material, nanograin material, and photoelectric conversion device
A method of producing a nanograin material wherein a hole-transporting surfactant is injected into an InP/ZnS dispersion solution, and the surface of an InP/ZnS quantum dot is covered with the hole-transporting surfactant to prepare an InP/ZnS dispersion solution with a hole-transporting surfactant. The InP/ZnS dispersion solution with a hole-transporting surfactant is then applied to a substrate using a spin coating process of the like to form a quantum dot layer with a hole-transporting surfactant having one or more layers. Then, a dispersion solution (replacement solution) containing an electron-transporting surfactant is prepared. The substrate having the quantum dot layer with a hole-transporting surfactant is immersed in the replacement solution for a predetermined time, and part of the hole-transporting surfactant is replaced with the electron-transporting surfactant to form a quantum dot layer having one or more layer.
US10818801B2 Thin-film transistor and manufacturing method thereof
A manufacturing method of a thin-film transistor is provided. The method include: forming a gate pattern layer on a substrate; forming a gate insulating layer covering the gate pattern layer; depositing semi-conductive oxide material on the gate insulating layer to form an active pattern layer on the gate insulating layer; depositing reducing material on the active pattern layer to form a reducing pattern layer; and forming a source pattern layer and a drain pattern layer on the reducing pattern layer. A thin-film transistor is further provided.
US10818800B2 Semiconductor structure and method for preparing the same
The present disclosure provides a semiconductor structure including a substrate, a bottom gate portion disposed in the substrate, a top gate portion stacked over the bottom gate portion, a first channel layer sandwiched between the top gate portion and the bottom gate portion, and a source/drain region disposed in the substrate at two opposite sides of the top gate portion.
US10818798B2 Display panel, array substrate, thin film transistor and method for manufacturing the same
A method for manufacturing a thin film transistor includes forming a light shielding layer and a buffer layer covering the light shielding layer on a substrate. The method includes forming an active layer including a peripheral region and a channel region. The method includes forming a gate insulating layer covering the channel region and forming a contact hole exposing the light shielding layer. The method includes forming a source region and a drain region disposed on both sides of the channel region. The method includes forming an electrode layer including a gate electrode, a source electrode and a drain electrode spaced apart one another. The method includes forming a dielectric layer covering the gate electrode, the source electrode, the drain electrode and the buffer layer.
US10818797B2 Thin film transistor and method of fabricating the same, array substrate and display device
The present application provides a thin film transistor and a method of fabricating the same, an array substrate and a display device. The thin film transistor includes: a gate electrode; an active layer including a first portion made of polysilicon and a second portion made of amorphous silicon; a source electrode and a drain electrode; and an ohmic contact layer. The second portion of the active layer is in contact with the source electrode and the drain electrode through the ohmic contact layer.
US10818794B2 Semiconductor structure and fabricating method thereof
A semiconductor structure and a method of fabricating the semiconductor structure are provided. The semiconductor structure includes a substrate; a metal gate structure on the substrate; and a spacer next to the metal gate structure having a skirting part extending into the metal gate structure and contacting the substrate. The metal gate structure includes a high-k dielectric layer and a metal gate electrode on the high-k dielectric layer.
US10818792B2 Nanosheet field-effect transistors formed with sacrificial spacers
Structures for a field-effect transistor and methods of forming structures for a field-effect transistor. A layer stack includes nanosheet channel layers arranged to alternate with sacrificial layers. First and second gate structures are formed that extend across the layer stack and that are separated by a first gap. First and second sidewall spacers are formed over the layer stack and within the first gap respectively adjacent to the first and second gate structures, and the layer stack is subsequently etched to form first and second body features that are separated by a second gap. The sacrificial layers are recessed relative to the nanosheet channel layers to define indents in the first and second body features, and the first and second sidewall spacers are subsequently removed. After removing the first and second sidewall spacers, a conformal layer is deposited in the second gap that fills the indents to define inner spacers.
US10818786B1 III-V semiconductor device with integrated protection functions
We disclose a III-nitride semiconductor based heterojunction power device, comprising: a first heterojunction transistor formed on a substrate, the first heterojunction transistor comprising: a first III-nitride semiconductor region formed over the substrate, wherein the first III-nitride semiconductor region comprises a first heterojunction comprising at least one two dimensional carrier gas of second conductivity type; a first terminal operatively connected to the first III-nitride semiconductor region; a second terminal laterally spaced from the first terminal and operatively connected to the first III-nitride semiconductor region; a first gate terminal formed over the first III-nitride semiconductor region between the first terminal and the second terminal. The device also includes a second heterojunction transistor formed on a substrate, the second heterojunction transistor comprising: a second III-nitride semiconductor region formed over the substrate, wherein the second III-nitride semiconductor region comprises a second heterojunction comprising at least one two dimensional carrier gas of second conductivity type; a third terminal operatively connected to the second III-nitride semiconductor region; a fourth terminal laterally spaced from the third terminal in a first dimension and operatively connected to the second III-nitride semiconductor region, wherein the fourth terminal is operatively connected to the first gate terminal; and a second gate terminal formed over the second III-nitride semiconductor region between the third terminal and the fourth terminal and wherein the second heterojunction transistor is used in sensing and protection functions of the first power heterojunction transistor.
US10818782B2 Insulated-gate bipolar transistor (IGBT) including a branched gate trench
At a portion at which a gate trench is branched, the trench is formed at a deeper position than at portions of the gate trench having a linear shape. A semiconductor device is provided, including: a first conductivity-type semiconductor substrate; a second conductivity-type base region provided at a front surface side of the semiconductor substrate; a first trench portion provided extending from a front surface of the semiconductor substrate and penetrating the base region; and a second conductivity-type contact region which is provided in a part of the base region at a front surface side of the semiconductor substrate and has a higher impurity concentration than the base region, wherein the first trench portion has a branch portion on the front surface of the semiconductor substrate, and the branch portion is provided being surrounded by the contact region on the front surface of the semiconductor substrate.
US10818780B2 Devices having a semiconductor material that is semimetal in bulk and methods of forming the same
Devices, and methods of forming such devices, having a material that is semimetal when in bulk but is a semiconductor in the devices are described. An example structure includes a substrate, a first source/drain contact region, a channel structure, a gate dielectric, a gate electrode, and a second source/drain contact region. The substrate has an upper surface. The channel structure is connected to and over the first source/drain contact region, and the channel structure is over the upper surface of the substrate. The channel structure has a sidewall that extends above the first source/drain contact region. The channel structure comprises a bismuth-containing semiconductor material. The gate dielectric is along the sidewall of the channel structure. The gate electrode is along the gate dielectric. The second source/drain contact region is connected to and over the channel structure.
US10818777B2 Method of manufacturing a semiconductor device and a semiconductor device
In a method of manufacturing a semiconductor device, a fin structure, in which first semiconductor layers and second semiconductor layers are alternately stacked, is formed. A sacrificial gate structure is formed over the fin structure. A source/drain region of the fin structure, which is not covered by the sacrificial gate structure, is etched, thereby forming a source/drain space. The first semiconductor layers are laterally etched through the source/drain space. An inner spacer made of a dielectric material is formed on an end of each of the etched first semiconductor layers. A source/drain epitaxial layer is formed in the source/drain space to cover the inner spacer. A lateral end of each of the first semiconductor layers has a V-shape cross section after the first semiconductor layers are laterally etched.
US10818775B2 Method for fabricating a field-effect transistor
The method for fabricating a field-effect transistor comprises a step of producing a sacrificial gate and first and second spacers covering first, second and third parts of successive first to fifth semiconductor nanowires of a stack. The fabricating method comprises a step of forming a channel area of the transistor, which channel area is compressively stressed and distinct from the second part of the third nanowire. The channel area is connected to a source electrode of the transistor by the first part of the second nanowire, and to a drain electrode of the transistor by the third part of the second nanowire.
US10818769B2 Semiconductor device having a ferroelectric memory and manufacturing method thereof
In a ferroelectric memory having a ferroelectric film between a gate electrode and a semiconductor substrate, dielectric breakdown of a gate insulating film is prevented and the polarization performance of the ferroelectric film is enhanced to improve the performance of a semiconductor device. In a memory cell including a field effect transistor including a control gate electrode formed over the semiconductor substrate, between the control gate electrode and a main surface of the semiconductor substrate, a paraelectric film and the ferroelectric film are formed by being stacked in this order over the main surface of the semiconductor substrate.
US10818761B2 Memory first process flow and device
A semiconductor device and method of making the same are disclosed. The semiconductor device includes a memory gate on a charge storage structure formed on a substrate, a select gate on a gate dielectric on the substrate proximal to the memory gate, and a dielectric structure between the memory gate and the select gate, and adjacent to sidewalls of the memory gate and the select gate, wherein the memory gate and the select gate are separated by a thickness of the dielectric structure. Generally, the dielectric structure comprises multiple dielectric layers including a first dielectric layer adjacent the sidewall of the memory gate, and a nitride dielectric layer adjacent to the first dielectric layer and between the memory gate and the select gate. Other embodiments are also disclosed.
US10818759B2 Self aligned replacement metal source/drain finFET
A fin-shaped field effect transistor (finFET) device comprising includes a substrate. an insulating layer displaced over the substrate, and a fin. The device also includes a gate formed over the fin, the gate including: a gate stack; and a high-k dielectric on opposing side of the gate stack. The device further includes metallic source and drain regions formed over the fin and on opposing sides of the gate.
US10818758B2 Methods for forming a metal silicate film on a substrate in a reaction chamber and related semiconductor device structures
Methods for forming a metal silicate film on a substrate in a reaction chamber by a cyclical deposition process are provided. The methods may include: regulating the temperature of a hydrogen peroxide precursor below a temperature of 70° C. prior to introduction into the reaction chamber, and depositing the metal silicate film on the substrate by performing at least one unit deposition cycle of a cyclical deposition process. Semiconductor device structures including a metal silicate film formed by the methods of the disclosure are also provided.
US10818753B2 VTFET having a V-shaped groove at the top junction region
A vertical transport field effect transistor (VTFET) is provided that includes a vertical semiconductor channel material structure (i.e., fin or pillar) having a V-shaped groove located in the topmost surface thereof. A top source/drain structure is formed in contact with the V-shaped groove present in the topmost surface of the vertical semiconductor channel material structure. No drive-in anneal is needed to form the top source/drain structure. The presence of the V-shaped groove at the top junction region provides a VTFET that has improved device performance.
US10818751B2 Nanosheet transistor barrier for electrically isolating the substrate from the source or drain regions
Embodiments of the invention are directed to a nanosheet field effect transistor (FET) device. A non-limiting example of the nanosheet FET device includes a stack of channel nanosheets over a substrate, along with a source or drain (S/D) trench in a predetermined region of the substrate. The predetermined region of the substrate includes a region over which a S/D region of the nanosheet FET is formed. The S/D region of the nanosheet FET is formed at ends of a bottommost one of the stack of channel nanosheets. An isolation barrier is formed in the S/D trench. The isolation barrier is configured to substantially prevent the S/D region from being electrically coupled to the substrate.
US10818750B2 Semiconductor device and method for controlling same
A semiconductor device includes a semiconductor part including first to fifth layers; an electrode on a front surface of the semiconductor part; first and second control electrodes between the semiconductor part and the electrode. The first layer includes first and second portions alternately arranged along the front surface of the semiconductor part. The second layer is positioned between the first and second portions of the first layer. The first and second control electrodes are placed at boundaries of the first and second portions and the second layer, respectively. The third layer is provided between the second electrode and the first and second portions of the first layer. The fourth and fifth layers are selectively provided between the third layer and the second electrode. The first control electrode is opposed to the first, third and fourth layers. The second control electrode is opposed to the first, third and fifth layers.
US10818742B2 Display apparatus and electronic apparatus including the same
A display apparatus includes an insulating layer on a substrate, the substrate including a main through hole, a first groove around and outside the main through hole, and a first test concave portion outside the main through hole, and the insulating layer including a main insulating through hole connected to the main through hole, a first insulating through ring around and outside the main insulating through hole and connected to the first groove, and a first insulating through hole outside the main insulating through hole and connected to the first test concave portion. Along a same width direction: at a same position along the substrate, a width of the first insulating through ring of the insulating layer is less than a width of the first groove of the substrate, and a width of the first insulating through hole is less than a width of the first test concave portion.