Patents by Inventor Kai Zhang

Kai Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250062532
    Abstract: An antenna structure is disposed on a metal unit and includes a first slot, a second slot, a grounding portion and a short-circuiting portion. The first slot is formed on the metal unit along an axis direction and configured to receive a signal feed. The second slot is formed on the metal unit along the axis direction and separated from the first slot by a distance along the axis direction. The grounding portion is coupled to the metal unit. The short-circuiting portion crosses the second slot and is coupled to the grounding portion.
    Type: Application
    Filed: August 12, 2024
    Publication date: February 20, 2025
    Inventors: Chun-Kai CHEN, Cheng-Rui ZHANG, Jian-Zhong CHEN, Hong-Jun JIAN
  • Publication number: 20250063206
    Abstract: A mechanism for processing video data is disclosed. A filter is applied to a video unit. The filter employs an extended tap for a first sample in the video unit and a spatial tap for a second sample in the video unit. A conversion is performed between a visual media data and a bitstream based on the video unit.
    Type: Application
    Filed: November 5, 2024
    Publication date: February 20, 2025
    Inventors: Wenbin Yin, Kai Zhang, Li Zhang
  • Publication number: 20250062583
    Abstract: This application provides a multi-mode laser apparatus which includes a multi-mode laser, a mode scrambler, a mode demultiplexer, and Y Bragg gratings. The multi-mode laser is configured to generate laser light including a plurality of modes. The mode scrambler is configured to: equalize power of laser light in different modes in the laser light having the plurality of modes, and output equalized laser light. The mode demultiplexer is configured to decompose the equalized laser light into M channels of laser light in different modes. X ports of the mode demultiplexer are configured to output X channels of laser light. Y ports of the mode demultiplexer are configured to output Y channels of laser light. The Y Bragg gratings are configured to reflect the Y channels of laser light. The mode scrambler is further configured to obtain excitation laser light based on the reflected Y channels of laser light.
    Type: Application
    Filed: November 6, 2024
    Publication date: February 20, 2025
    Inventors: Pei LIU, Kai ZHANG, Bo WU
  • Publication number: 20250063192
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, that a first prediction mode is applied to the current block, reordering, in the first prediction mode, at least a first set of block vector difference (BVD) candidates of multiple BVD candidates corresponding to a first base candidate according to at least one criterion; deriving, based on the reordered BVD candidates, a block vector for the current video block; and performing the conversion based on the motion information.
    Type: Application
    Filed: October 11, 2024
    Publication date: February 20, 2025
    Inventors: Na ZHANG, Jizheng XU, Kai ZHANG, Mehdi SALEHIFAR, Li ZHANG
  • Publication number: 20250063166
    Abstract: A mechanism for processing video data is disclosed. One or more extended taps are determined for use in an adaptive loop filter (ALF). A conversion is performed between a visual media data and a bitstream based on the extended tap in the ALF. The extended tap may receive input data from different pictures than the current picture and/or from outside the spatial domain.
    Type: Application
    Filed: November 5, 2024
    Publication date: February 20, 2025
    Inventors: Wenbin Yin, Kai Zhang, Li Zhang
  • Publication number: 20250059169
    Abstract: Provided are a pyrazole-1(2H)-phthalazinone compound and an application thereof as a PRMT5?MTA complex inhibitor in the preparation of a drug for treating related diseases.
    Type: Application
    Filed: December 27, 2022
    Publication date: February 20, 2025
    Inventors: Zhifei FU, Miaorong LUO, Chenxi YU, Kai ZHOU, Na GAO, Yang ZHANG, Jian LI, Shuhui CHEN
  • Publication number: 20250059382
    Abstract: The present application is directed to chromium-free anticorrosive coating composition and article made therefrom. The chromium-free anticorrosive coating composition comprises Component A, comprising a film-forming composition, a corrosion inhibiting composition, optional carriers and additional additives, wherein the corrosion inhibiting composition comprises anti-rust particles containing at least one phosphate compound of lithium and having a lithium content of at least 1.0% by weight; and optionally Component B, comprising a curing agent. The chromium-free anticorrosive coating composition according to the present application may be used as a primer or a direct-to-metal coating. The present application further discloses an article, comprising a metal substrate; and a coating formed of the above chromium-free anticorrosive coating composition which is directly applied to the metal substrate.
    Type: Application
    Filed: December 23, 2022
    Publication date: February 20, 2025
    Inventors: Kai HE, Rong XIONG, Xi ZHAO, Yu ZHANG, Wenbin ZHENG
  • Publication number: 20250062555
    Abstract: An electrical connection terminal includes a crimping part having a base with a front end and a rear end and a pair of opposite sides, a plurality of conductive teeth connected to the opposite sides of the base, and a plurality of fixing teeth connected to the opposite sides at the front end of the base. The electrical connection terminal has a main body connected to the rear end of the base. The conductive teeth pierce an insulator of a flexible electrical connection piece and are crimpable onto a conductor of the flexible electrical connection piece to be electrically connected to the flexible electrical connection piece. The fixing teeth pierce the insulator of the flexible electrical connection piece and are crimpable onto the insulator of the flexible electrical connection piece to fix the front end of the base to the flexible electrical connection piece.
    Type: Application
    Filed: August 13, 2024
    Publication date: February 20, 2025
    Applicants: Tyco Electronics (Suzhou) Ltd., Tyco Electronics Technology (SIP) Co., Ltd., Tyco Electronics (Shanghai) Co., Ltd.
    Inventors: Kai Wang, Weidong Zhang, Jingjing (Justin) Gu
  • Publication number: 20250062619
    Abstract: The embodiments include a power converter including a DC/AC conversion unit. A direct current bus is connected to the DC/AC conversion unit and a direct current source. The DC/AC conversion unit is further connected to a power grid. When a direct current bus voltage is less than or equal to a first voltage threshold, the power converter may switch to a current source mode to output first output power to the power grid, where the first output power is equal to an output power limit of the direct current source. Then, if a fluctuation amplitude of the direct current bus voltage is less than or equal to a first fluctuation threshold, the power converter may resume outputting second output power to the power grid in a voltage source mode, so that the second output power is less than or equal to the output power limit of the direct current source.
    Type: Application
    Filed: August 7, 2024
    Publication date: February 20, 2025
    Applicant: Huawei Digital Power Technologies Co., Ltd.
    Inventors: Meiqing ZHANG, Mingxuan DONG, Ce FANG, Kai XIN
  • Patent number: 12226186
    Abstract: A system for acquiring data regarding a wound in tissue comprises at least one excitation light source configured to directly illuminate a wound with excitation light; a spectral filtering mechanism configured to permit passage of optical signals responsive to illumination of the wound and having at least one wavelength corresponding to bacterial, fungal, and/or other microorganism autofluorescence and/or bacterial, fungal, viral, and/or microbial fluorescence, the spectral filtering mechanism including a plurality of selectable filters respectively corresponding to different discrete spectral bandwidths; an optical sensor configured to detect the spectrally filtered signals; and a processor configured to receive the detected, filtered signals and to identify a fluorescent signature of bacteria in the wound based at least in part on the detected, filtered signals and to output data regarding the bacterial, fungal, viral, and/or microbial fluorescent signature.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: February 18, 2025
    Assignee: UNIVERSITY HEALTH NETWORK
    Inventors: Ralph Sebastian Dacosta, Brian C. Wilson, Kai Zhang
  • Patent number: 12231625
    Abstract: A method of video processing is described. The method includes performing a conversion between a current video block of a video picture of a video and a coded representation of the video according to a buffer allocation rule, wherein the conversion uses an intra block copy (IBC) mode in which a prediction of the current video block is derived based on sample values from a same video slice with the current video block, and wherein the sample values are determined by block vectors, wherein the buffer allocation rule specifies that a virtual buffer allocated for the conversion using the IBC mode is greater than a minimum size of memory for storing a portion of the video picture searched for determining the block vectors.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: February 18, 2025
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLGOY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Li Zhang, Kai Zhang, Hongbin Liu
  • Patent number: 12228765
    Abstract: A curved optical plate includes a curved light exit surface including at least one curved edge and at least one uncurved edge, and at least one first side surface connected to the at least one uncurved edge of the light exit surface; a first side surface includes a first surface, and the first surface extends toward an interior of the curved optical plate.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: February 18, 2025
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuhang Lin, Zhiying Chen, Chengkun Liu, Han Zhang, Hongyu Zhao, Ming Chen, Zhijie Guo, Lian Fang, Long Hu, Ting Cui, Liangliang Ren, Kai Diao
  • Patent number: 12229506
    Abstract: A method and a system for filtering ill corpus are provided. The method includes following steps: acquiring a text corpus to be recognized, and preprocessing the text corpus to be recognized to obtain a basic text corpus; extracting entities in the basic text corpus, and performing matching search on the entities of the basic text corpus according to an ill-text knowledge graph to obtain a first recognition result; detecting and recognizing the basic text corpus according to a corpus recognition model to obtain a second recognition result; and filtering the text corpus to be recognized according to the first or/and the second recognition result, and updating the ill-text knowledge graph according to the second recognition result. With semantic network essence and strong correlation ability of knowledge graph technology, candidate ill entities can be obtained, thus facilitating filtering of obscure ill information in forms of pinyin, homophonic words and split words.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: February 18, 2025
    Assignee: Zhejiang Gongshang University
    Inventors: Xiaoning Jiang, Kai Liu, Yuhan Zhou, Hongmin Xie, Yukuan He, Weijie Liu, Jie Zhang, Zhen Liu
  • Patent number: 12228817
    Abstract: A display device and a control method therefor are disclosed. The display device includes: a first backlight module; a second backlight module located at a light emergent side of the first backlight module; and a display panel located at a side of the second backlight module facing away from the first backlight module; where the first backlight module includes a first light board, and the first light board emits light to a side of the second backlight module; the second backlight module includes at least one second light board, second light boards of the at least one second light board are stacked, and the second light boards transmit the light emitted by the first backlight module and emit light to the display panel; the first light board includes a plurality of first light sources, each second light board of the second light boards includes a plurality of second light sources.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 18, 2025
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ming Chen, Nani Liu, Kai Diao, Han Zhang, Long Hu, Hongyu Zhao, Siyu Wu, Jingran Niu, Jiwei Sun, Yuhang Lin, Dingjie Zheng
  • Patent number: 12229838
    Abstract: A method is provided for determining a social rank of a node in a social network, the social network including a plurality of nodes connected by relationship chains. The method includes determining a user corresponding to at least one of the plurality of nodes in the social network, determining a connection structure of the relationship chains between the plurality of nodes, and determining, according to the connection structure of the relationship chains between the plurality of nodes, a social rank of the user corresponding to the at least one of the plurality of nodes.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: February 18, 2025
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xu Zhang, Leyu Lin, Jing Zhang, Kaikai Ge, Kai Zhuang, Xin Chen, Wei Wang, Su Yan, Yudan Liu, Linyao Tang
  • Patent number: 12228809
    Abstract: A display module includes a back plate, a light guide plate, a rubber frame and a display panel, the light guide plate is fixed on a bearing surface, a connecting line between two end portions of the bearing surface forms a first curve. The first curve includes a circular arc segment and a transition curve segment, and bends in a direction away from the display panel; the circular arc segment is located at the middle, at least one end of the circular arc segment is provided with the transition curve segment; the transition curve segment is located at a first position, the first position being a position of the bearing surface opposite to a second position, the second position being a position where light leaks from the display panel, the radius of curvature of the transition curve increases along a direction close to an end portion of the first curve.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: February 18, 2025
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Zhang, Shuwen Lai, Kai Diao, Long Hu, Liangliang Ren, Yuhang Lin, Lian Fang, Chengkun Liu, Dingjie Zheng, Zhijie Guo, Zhiying Chen, Ting Cui
  • Patent number: 12230182
    Abstract: A pixel circuit and a driving method therefor, a display substrate, and a display apparatus. The pixel circuit includes a driving sub circuit, a data writing sub circuit, a first light-emitting control sub circuit, a first reset sub circuit, and a bias sub circuit; the first reset sub circuit is connected to a first node and configured to write a first reset voltage to the first node in response to a first reset control signal; and the bias sub circuit is connected to a second node and configured to write a reference voltage to the second node in response to a bias control signal, thereby turning on the driving sub circuit.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: February 18, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinyu Wei, Kai Zhang, Qiang Fu, Gang Wang, Erlong Song, Hongmei Fan, Kunyan Shi
  • Patent number: 12229990
    Abstract: A positioning method includes obtaining an estimated extrinsic parameter of a camera and an intrinsic parameter of the camera, where the estimated extrinsic parameter of the camera is obtained based on world coordinates of a plurality of estimation points in a shooting region of the camera, image coordinates of the plurality of estimation points, and the intrinsic parameter of the camera; obtaining image coordinates of a target in an image shot by the camera; and obtaining world coordinates of the target based on the estimated extrinsic parameter of the camera, the intrinsic parameter of the camera, and the image coordinates of the target.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 18, 2025
    Assignee: HUAWEI CLOUD COMPUTING TECHNOLOGIES CO., LTD.
    Inventors: Yidan Teng, Kai Zhou, Jing Zhang, Qingzhi Li, Weikang Ning
  • Patent number: 12231149
    Abstract: A method for decoding an error correction code is provided. The method includes: acquiring a Galois field equation corresponding to the error correction code; determining a target relational expression corresponding to error locations after decoding the error correction code; determining multiple conjugate location pairs based on the target relational expression; determining a first polynomial corresponding to an exponential coefficient of a first location in a conjugate location pair and a second polynomial corresponding to an exponential coefficient of a second location in the conjugate location pair based on a correspondence table between exponents and polynomials; performing an exclusive OR operation on coefficients of the first polynomial and the second polynomial to obtain an exclusive OR result; and determining the first location and the second location as error locations, in a case that the exclusive OR result matches a target coefficient of the Galois field equation.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: February 18, 2025
    Assignee: TONGXIN MICROELECTRONICS CO., LTD.
    Inventors: Sen Chai, Kai Zhang
  • Patent number: 12232170
    Abstract: An LAA-based wireless transmission access method is disclosed including: acquiring, by a BBU, a signal format corresponding to an LBT startup indication, and delivering a corresponding LBT startup indication message; distributing, by a bridge unit, the startup indication message to an RRU; performing, by the RRU, spectrum scanning according to the signal format to obtain idle/busy state information of an unlicensed spectrum in the signal format, and reporting the same to the BBU via the bridge unit; determining, by the BBU, a preemptable unlicensed spectrum in the signal format according to the idle/busy state information, and delivering an occupancy message; delivering, by the bridge unit, the occupancy message to the RRU; determining, by the RRU, a signal source of the signal format in the occupancy message; if the signal source is a different manufacturer, switching to an intermediate radio frequency processing channel of a different manufacturer for transmission.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: February 18, 2025
    Assignee: ZTE CORPORATION
    Inventors: Zhuyuan Liu, Diqiang Zhang, Kai Liu, Yangfeng Wang, Yong Pang