Patents by Inventor Kai Xu

Kai Xu 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).

  • Patent number: 12015784
    Abstract: A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video that is a chroma block and a coded representation of the video, a final prediction P(x, y) of a chroma sample at a position (x, y) in the current video block as a combination of prediction results of multiple cross-component linear models (MCCLMs), wherein the MCCLMs are selected based on the position (x, y) of the chroma sample; and performing the conversion based on the final prediction.
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: June 18, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 12016016
    Abstract: A method for uplink control multiplexing of a physical uplink control channel (PUCCH) repetition may include receiving, by a wireless device, a first message indicating PUCCHs for repetitions of uplink control information (UCI). The method may include receiving a second message indicating a number of repetitions of a transport block via physical uplink shared channels (PUSCHs) and indicating a beta offset for multiplexing the UCI via a PUSCH of the PUSCHs. The method may include determining a coding rate based on the beta offset and the number of repetitions. The method may include transmitting, based on the coding rate and in response to the PUCCHs overlapping with the PUSCHs in at least one symbol, the UCI and the transport block multiplexed in the PUSCHs.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: June 18, 2024
    Assignee: Ofinno, LLC
    Inventors: Yunjung Yi, Hua Zhou, Esmael Hejazi Dinan, Ali Cagatay Cirik, Jonghyun Park, Kai Xu
  • Patent number: 12015795
    Abstract: Devices, systems and methods related to digital video coding, and specifically, to signaling of slice types in video picture headers are described. One example method of video processing includes performing a conversion between a video including one or more video pictures including one or more slices and a bitstream of the video, wherein the bitstream conforms to a format rule, and wherein the format rule specifies that for a video picture of the one or more video pictures having all slices coded as I slices, P slice and B slice related syntax elements are omitted from a picture header for the video picture.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: June 18, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Zhipin Deng, Jizheng Xu, Ye-kui Wang
  • Patent number: 12015492
    Abstract: A first wireless device receives, from a base station, configuration parameters of feedback resources. The first wireless device receives, from a second wireless device, a transport block via a sidelink. The first wireless device transmits, to the second wireless device, an acknowledgment for the transport block via a feedback resource, of the feedback resources. The feedback resources is determined based on an identity of the first wireless device and a modulo operation performed on a quantity of the feedback resources.
    Type: Grant
    Filed: July 22, 2021
    Date of Patent: June 18, 2024
    Assignee: Ofinno, LLC
    Inventors: Kai Xu, Esmael Hejazi Dinan, Hua Zhou, Yunjung Yi, Bing Hui, Alireza Babaei, Hyukjin Chae
  • Patent number: 12014889
    Abstract: A magnetic induction switch has a base; a mounting cavity is arranged in the base; an induction circuit board is arranged in the mounting cavity and a Hall induction element is provided; a rotating cover is rotated on the base and is provided with at least two positioning points on the rotating path; the magnet is provided in the rotating cover, and the position of the magnet relative to the Hall induction element changes during the rotation of the rotating cover so that the induction circuit board generates control signals; the magnetic induction switch of the invention is waterproof, avoids hidden trouble existing in the ignition of the mechanical switch, and has the advantages of simple structure and convenient manufacture.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: June 18, 2024
    Assignee: Self Electronics Co., Ltd.
    Inventors: Dong Chen, Minghai Zhao, Binjie Xu, Jianguo Dong, Kai Xu
  • Patent number: 12015774
    Abstract: An example method of video processing includes partitioning, for a conversion between a current video block of a picture of a video and a bitstream of the video, the picture into one or more slices according to a requirement of bitstream conformance. The requirement of bitstream conformance specifies that a union of the one or more slices covers the whole picture, and a first syntax element is included in the bitstream to indicate whether the one or more slices have a rectangular shape. The method also includes performing the conversion at least based on the partitioning.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: June 18, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Zhipin Deng, Hongbin Liu, Li Zhang, Jizheng Xu
  • Patent number: 12015772
    Abstract: A method includes determining, for a conversion between a video block of a video and a bitstream of the video, a size of prediction block corresponding to the video block according to a rule. The method also includes performing the conversion based on the determining. The rule specifies that a first size of the prediction block is determined responsive to whether a prediction refinement using optical flow technique is used for coding the video block. The video block has a second size and is coded using an affine merge mode or an affine advanced motion vector prediction mode.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: June 18, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Ye-Kui Wang, Kai Zhang, Jizheng Xu
  • Publication number: 20240195053
    Abstract: A meander embedding sector traveling-wave antenna for series superconducting detectors is provided, including: a detector array, a meander metal layer, a pair of bend-line metal layers, and a pair of sector metal layers. The detector array is individually connected in the meander metal layer and the pair of bend-line metal layers; the pair of bend-line metal layers is correspondingly connected to the pair of sector metal layers; and the pair of sector metal layers is disposed symmetrically centered on the detector array. The antenna improves working bandwidth of THz antenna and completes low-impedance matching between a single antenna and each series Josephson junction embedded in the antenna. The embedding meander can be connected to a plurality of low-impedance detectors, and performance of the antenna is not influenced while target impedance matching is completed. And the working bandwidth of the THz antenna embedded with the series detectors is increased.
    Type: Application
    Filed: May 31, 2023
    Publication date: June 13, 2024
    Inventors: Mei Yu, Jin Shi, Yongjie Yang, Kai Xu
  • Publication number: 20240195878
    Abstract: This specification discloses an application migration method and apparatus, an electronic device, and a storage medium. A to-be-migrated application included in a to-be-maintained server and all candidate servers that receive the to-be-migrated application can be determined. For each to-be-migrated application, an application container configured to maintain the to-be-migrated application is determined. A migration constraint between all to-be-migrated applications and all the candidate servers is determined. Finally, a server that receives each to-be-migrated application is determined from all the candidate servers when the migration constraint is satisfied and a quantity of servers configured to receive the to-be-migrated application meets a preset requirement, and for each to-be-migrated application, an application container of the to-be-migrated application is migrated to a server corresponding to the to-be-migrated application.
    Type: Application
    Filed: December 6, 2023
    Publication date: June 13, 2024
    Inventors: Qi ZHANG, Wei JIANG, Kai XU, Huasheng LIAO, Jianguo LI
  • Publication number: 20240191624
    Abstract: A bolter miner includes a rack, a cutting device and a bolt support device. The cutting device is configured for a cutting operation and is arranged on the rack to swing up and down. The bolt support device includes a lifting assembly, a work platform, a first drilling frame assembly and a stabilization assembly. The lifting assembly is arranged between the rack and the work platform and is configured to lift the work platform. The first drilling frame assembly and the stabilization assembly are arranged on the work platform. The first drilling frame assembly has a bolt support position and an avoidance position. The work platform can extend and retract to switch the bolt support position and the avoidance position of the first drilling frame assembly. The stabilization assembly can be supported between the cutting device and a tunnel roof, so as to enhance the stability of the first drilling frame assembly during a bolt support operation.
    Type: Application
    Filed: May 27, 2022
    Publication date: June 13, 2024
    Inventors: Bukang Wang, Hong Wang, Xiaofeng Zhang, Kai Ma, Faquan Li, Dianwu Wang, Yongcheng Ding, Jianwei Jia, Qiang Ma, Hao Wang, Yanhua Qiao, Xiaoli Ren, Xuerui Zhang, Feng Liu, Ningning Wang, Gehui Xie, Sen Xu, Qiang Zhang, Dong Song, Xipeng Wang, Wei Wang, Weijian Qiu, Zhiwei Yan, Jingxi Duan, Peng Li
  • Patent number: 12010333
    Abstract: A method for visual media processing, including performing a conversion between a current chroma video block of visual media data and a bitstream representation of the current chroma video block. During the conversion, a chroma residual of the current chroma video block is scaled based on a scaling coefficient. The scaling coefficient is derived at least based on luma samples located in predefined positions.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: June 11, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Kai Zhang, Hongbin Liu, Jizheng Xu
  • Patent number: 12010321
    Abstract: Disclosed and systems, methods and devices for video processing. An exemplary method for video processing includes: determining for a current video block, an indication which indicates that an affine merge with motion vector difference (MMVD) mode is applied to the current video block; performing a conversion between the current video block and a bitstream representation of a current video block based on the indication, the indication being activated based on the usage of at least one merge list for the current video block.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: June 11, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 12010529
    Abstract: A wireless device may receive one or more configuration parameters. The one or more configuration parameters indicate: one or more physical uplink control channel (PUCCH) resources, and a default beam is used for physical uplink shared channel (PUSCH) transmissions. The wireless device may receive downlink control information (DCI), with DCI format 0_0, scheduling a PUSCH. The wireless device may transmit, via the PUSCH, a transport block according to a default spatial relation in response to: a DCI format of the DCI being the DCI format 0_0, the configuration parameters indicating that the default beam is used, each PUCCH resource of the one or more PUCCH resources not being configured with a spatial relation, and the wireless device being in a radio resource control (RRC) connected mode.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: June 11, 2024
    Assignee: Ofinno, LLC
    Inventors: Hua Zhou, Esmael Hejazi Dinan, Kyungmin Park, Ali Cagatay Cirik, Hyoungsuk Jeon, Yunjung Yi, Alireza Babaei, Kai Xu
  • Patent number: 12010619
    Abstract: Wireless communication techniques using a power saving mode are described. A wireless device may be configured with a plurality of power saving configurations. A base station may transmit an indication of a power saving configuration in the plurality of power saving configurations. The wireless device may monitor a power saving channel based on the indicated power saving configuration.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: June 11, 2024
    Assignee: Comcast Cable Communications, LLC
    Inventors: Hua Zhou, Esmael Dinan, Kyungmin Park, Ali Cirik, Alireza Babaei, Hyoungsuk Jeon, Kai Xu
  • Patent number: 12010317
    Abstract: A method of video processing includes performing a conversion between a video including a video region and a bitstream of the video according to a rule. The rule specifies a relationship between enablement of a palette mode and a coding type of the video region. The video region may represent a coding block of the video.
    Type: Grant
    Filed: October 10, 2022
    Date of Patent: June 11, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang
  • Patent number: 12010634
    Abstract: A wireless device may use power ramping for transmissions of message preambles and/or transport blocks. A first ramped transmission power may be used to transmit a preamble of a message, and a second ramped transmission power may be used to transmit a transport block of the message. Channel access procedures may be used to determine clear channel or busy channel for transmissions.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: June 11, 2024
    Assignee: Comcast Cable Communications, LLC
    Inventors: Hyoungsuk Jeon, Esmael Hejazi Dinan, Hua Zhou, Kai Xu, Alireza Babaei, Kyungmin Park, Ali Cagatay Cirik
  • Publication number: 20240186458
    Abstract: Micro-LED structures include an LED epilayer that may be formed before the micro-LED structure is coupled to a backplane substrate. In order to prevent light leakage and maximize light output, the sidewalls and other surfaces of the LED epilayer may be coated with a reflective coating. For example, the reflective coating may include a metal layer that is electrically insulated between dielectric layers from the micro-LED electrodes. The reflective coating may also be formed using multiple layers in a distributed Bragg reflector configuration. This reflective coating may be formed during the LED fabrication process before the micro-LED structure is coupled to the backplane. The pixel isolation structures on the backplane may also include a reflective coating that is applied above the LED epilayers.
    Type: Application
    Filed: January 15, 2024
    Publication date: June 6, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Kai Ding, Lisong Xu, Mingwei Zhu, Zhiyong Li, Hou T. Ng, Sivapackia Ganapathiappan, Nag Patibandla
  • Publication number: 20240188093
    Abstract: Control information may be used to schedule communications between a wireless device and a base station. The wireless device may monitor control channels associated with one or more cells to receive the control information.
    Type: Application
    Filed: December 11, 2023
    Publication date: June 6, 2024
    Inventors: Yunjung Yi, Esmael Hejazi Dinan, Hua Zhou, Ali Cagatay Cirik, Bing Hui, Kai Xu, Hyoungsuk Jeon
  • Publication number: 20240187888
    Abstract: A wireless device receives at least one message for a RRC connection, wherein the at least one message comprises first configuration parameters of a first cell that is configured as a serving cell and second configuration parameters of a second cell that is configured as a resource of the first cell. The wireless device receives at least one second reference signal of the second cell, determines that the RRC connection is reliable based on quality of the at least one second reference signal via the second cell, and communicates, based on the determining, with the second cell via the RRC connection.
    Type: Application
    Filed: December 27, 2023
    Publication date: June 6, 2024
    Applicant: Ofinno, LLC
    Inventors: Kyungmin Park, Taehun Kim, Esmael Hejazi Dinan, Hyoungsuk Jeon, Ali Cagatay Cirik, Kai Xu, Jonghyun Park, Hua Zhou
  • Publication number: 20240187200
    Abstract: A wireless device receives parameters indicating control resource sets (coresets) grouped into a first coreset group and a second coreset group on a bandwidth part (BWP). Physical downlink control channel (PDCCH) is monitored, on the BWP, in the first coreset group and in the second coreset group. A downlink control information (DCI) is received indicating skipping PDCCH monitoring on the BWP. Based on the DCI being received in a first coreset belonging to the first coreset group, the wireless device: skips monitoring the PDCCH in the first coreset group of the BWP; and skips monitoring the PDCCH in the second coreset group of the BWP.
    Type: Application
    Filed: December 14, 2023
    Publication date: June 6, 2024
    Applicant: Ofinno, LLC
    Inventors: Hua Zhou, Ali Cagatay Cirik, Esmael Hejazi Dinan, Yunjung Yi, Hyoungsuk Jeon, Kai Xu