Patents by Inventor Lei Zhang

Lei 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).

  • Patent number: 11611384
    Abstract: A beam training method and a related device are disclosed. The method includes: sending, by a first communications device, sidelink control information (SCI) to a second communications device, where the SCI is used to instruct the first communications device to send at least one channel state information-reference signal (CSI-RS) to the second communications device; and sending, by the first communications device, the at least one CSI-RS to the second communications device based on the SCI, where the at least one CSI-RS is used by the second communications device to determine that a beam corresponding to a CSI-RS with highest signal strength in the at least one CSI-RS is a beam for communication between the second communications device and the first communications device. The CSI-RS used for beam training is dynamically sent based on the instruction of the SCI.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: March 21, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhengzheng Xiang, Jun Luo, Hongjia Su, Jinfang Zhang, Lei Lu
  • Patent number: 11612072
    Abstract: A polyhedral LED display screen is provided and includes multiple cabinet main frames. Each the cabinet main frame is formed with an accommodating cavity. A side of each cabinet main frame is provided with a flexible PCB, an outer side of the flexible PCB facing away from the cabinet main frame is disposed with LED lamp beads, an inner side of the flexible PCB facing towards the cabinet main frame is magnetically connected to the cabinet main frame, and the cabinet main frames are connected to each other to form a regular dodecahedron sphere. The multiple cabinet main frames can be completely covered by the flexible PCBs, a missing display at an end point in the prior art is eliminated, design numbers and complexities of the cabinet main frames and the flexible PCBs are reduced, and an installation of the cabinet main frames becomes more convenient.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: March 21, 2023
    Assignee: SHENZHEN GALAXYPIXEL ELECTRONICS CO., LTD
    Inventors: Ligang Zhao, Guangming Song, Heng Zhan, Youhe Zhang, Lei Liang
  • Patent number: 11607663
    Abstract: A strengthening oxidation system of the external micro-interfacial unit for producing PTA with PX is provided, including: a reactor, a circulating heat exchange device and a micro-interfacial unit. The reactor includes an outer casing and an inner cylinder disposed concentrically inside the outer casing. The circulating heat exchange device is disposed at an exterior of the reactor, and is connected with the outer casing and the inner cylinder respectively, for regulating reaction temperatures of the first reaction zone, the second reaction zone and the third reaction zone inside the reactor in a reaction process of producing PTA with PX.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: March 21, 2023
    Assignee: NANJING YANCHANG REACTION TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
    Inventors: Zhibing Zhang, Zheng Zhou, Feng Zhang, Lei Li, Weimin Meng, Baorong Wang, Gaodong Yang, Huaxun Luo, Guoqiang Yang, Hongzhou Tian, Yu Cao
  • Patent number: 11611418
    Abstract: A PTRS processing method includes: receiving, by a terminal, first indication information and second indication information from a network device, where the first indication information is used to indicate a time-domain location at which a PTRS is to be sent by the terminal, and the second indication information is used to indicate an offset of an initial time-domain location to which the PTRS is mapped by the terminal; mapping, by the terminal, the PTRS to one or more DFT-s-OFDM symbols based on the first indication information and the second indication information; and sending, by the terminal, the one or more DFT-s-OFDM symbols. In this way, the PTRS mapped to the DFT-s-OFDM symbol is offset at a DFT-s-OFDM symbol level.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: March 21, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xi Zhang, Fengwei Liu, Lei Chen, Minghui Xu
  • Patent number: 11609473
    Abstract: The present invention belongs to the field of electronic display technology, and relates to a display plasma module and a manufacturing method thereof, characterized in that a display plasma module includes a pixel electrode and a transparent electrode located above the pixel electrode, characterized in that a display plasma is provided between the pixel electrode and the transparent electrode, and a spacer frame is located around the display plasma. In the present invention, the display plasma is used to replace the existing micro-cup structure or microcapsule. Compared to the traditional electrophoretic display screen with microstructure, the thickness is reduced, the contrast is increased by more than 10%, and the response time is reduced to less than 80 milliseconds, so that the manufacturing process is simpler, the yield is improved, and the manufacturing cost is reduced.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: March 21, 2023
    Assignee: WUXI VISION PEAK TECHNOLOGY CO., LTD.
    Inventors: Jin Bao, Lei Zhang, Shan Chen
  • Publication number: 20230084939
    Abstract: In a first aspect, an article includes a first polymer film layer and a second polymer film layer. The first polymer film layer includes a first polymer including a first imide group. The second polymer film layer includes a second polymer including a second imide group.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 16, 2023
    Inventors: Kostantinos Kourtakis, Benjamin Samson, Dennis Walls, Neng Xiao, Lei Zhang
  • Publication number: 20230083400
    Abstract: The present disclosure provides a display touch device and a control method. The display touch device includes a display panel, a display touch driving circuit and a touch operation processing circuit, wherein the display panel includes a plurality of gate lines; the touch operation processing circuit is configured to provide a first touch enable signal to the display touch driving circuit when it is detected that the display touch device is in a touch-only detection state, to control the display touch driving circuit to perform touch detection. The present disclosure can conveniently perform touch detection when the display touch device is in the touch-only detection state.
    Type: Application
    Filed: August 16, 2021
    Publication date: March 16, 2023
    Inventors: Cuilan HUANG, Yuan ZHANG, Jieqiong WANG, Lei LIU, Wei WANG, Jianlong GAO, Bohao CHEN
  • Publication number: 20230082066
    Abstract: A loudspeaker device may include a speaker component, a circuit housing configured to accommodate a control circuit, and a key module disposed on the core housing. The speaker component may include an earphone core and a core housing for accommodating the earphone core. The control circuit may drive the earphone core to vibrate to generate a sound, and the vibration of the earphone core may include at least two resonance peaks. The key module may include a key and an elastic bearing for supporting the key. The elastic bearing may include an integrally formed bearing body and a support column.
    Type: Application
    Filed: November 7, 2022
    Publication date: March 16, 2023
    Applicant: SHENZHEN SHOKZ CO., LTD.
    Inventors: Lei ZHANG, Yongjian LI, Wenbing ZHOU, Jinbo ZHENG, Zhuyang JIANG
  • Publication number: 20230080474
    Abstract: Embodiments of the application provide a train control method, system, computer device and storage medium. A scheme applying the train control method of the application determines a current travelling state of a vehicle under control firstly, and configures different state weights according to different travelling states to determine a corresponding target travelling parameter in a particular travelling state. The scheme can ensure to determine and obtain in real time an optimal target travelling parameter for the vehicle under control according to its current travelling state, regardless of the travelling environment of the vehicle under control, and control the vehicle under control in real time and effectively by the target travelling parameter during a travelling process. Thereby, the real-time performance and control accuracy of vehicle control can be improved, and the control effect of the train control method provided by the embodiments of the application can be further improved.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 16, 2023
    Applicant: Traffic Control Technology Co., Ltd
    Inventors: Chunhai GAO, Feng BAO, Lu YU, Lei ZHANG
  • Publication number: 20230082173
    Abstract: The technology of this application relates to a training method that includes a first terminal obtaining a to-be-trained first machine learning model from the server. The first terminal is any one of a plurality of terminals. The first terminal trains the first machine learning model by using local data stored by the first terminal, to obtain trained model parameters. The first terminal determines, based on a collaboration relationship, a first collaborative terminal corresponding to the first terminal, and sends a part or all of the trained model parameters of the first terminal to the server by using the first collaborative terminal. The collaboration relationship is delivered by the server to the first terminal. The foregoing manner can improve security of data exchange between the server and the terminal.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 16, 2023
    Inventors: Gang LI, Yunfeng SHAO, Lei ZHANG
  • Publication number: 20230083258
    Abstract: A bilateral teleoperation system includes: a primary-end operation platform and a secondary-end operation platform. The primary-end operation platform includes: a primary-end support, primary-end mechanical arms, a mechanical hand control assembly, and a first controller, a root end of the primary-end mechanical arm being arranged on the primary-end support, and a tail end of the primary-end mechanical arm being connected to the mechanical hand control assembly.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 16, 2023
    Inventors: Kun XIONG, Longfei Zhao, Dongsheng Zhang, Lei Wei, Cheng Zhou, Haitao Wang, Wangwei Lee, Ke Chen, Bidan Huang, Yi Ren
  • Publication number: 20230082842
    Abstract: The present disclosure describes a method for repairing a cathode material of a spent lithium-ion battery, which includes: mixing the cathode material of the spent lithium-ion battery, a lithium sheet, a solid oxidant and absolute ethanol under a protective atmosphere for repairing to obtain a repaired cathode material of the lithium-ion battery, where a temperature for the repairing is 20-70° C.; a ratio of the amount of substance of lithium atoms to the total amount of substance of other metal atoms in the cathode material of the spent lithium-ion battery is (0.5-1):1, excluding 1:1.
    Type: Application
    Filed: May 20, 2022
    Publication date: March 16, 2023
    Applicant: Kunming University of Science and Technology
    Inventors: Yingjie Zhang, Peng Dong, Qi Meng, Yannan Zhang, Zitong Fei, Chenchen Li, Lei Liu, Jin Yan
  • Publication number: 20230077704
    Abstract: Nitazoxanide represented by formula I and an active form thereof, tizoxanide compound, represented by formula II, a geometric isomer thereof and pharmaceutically acceptable salt thereof and/or solvate thereof and/or hydrate thereof, and a pharmaceutical composition containing this compound, used for preventing and/or treating coronavirus (such as SARS-CoV-2) infection.
    Type: Application
    Filed: July 15, 2020
    Publication date: March 16, 2023
    Inventors: Wu Zhong, Gengfu Xiao, Zhihong Hu, Manli Wang, Ruiyan Cao, Leike Zhang, Wei Li, Yuexiang Li, Lei Zhao, Song Li
  • Publication number: 20230077394
    Abstract: The present invention discloses an optimization method for a screen surface dynamic load of a vibrating screen. The method includes the following steps: step 1. selecting design variables, and establishing an experimental matrix; step 2. performing a response curved surface experiment; step 3. establishing two double-objective optimization models and solving the same to obtain two groups of Pareto solution sets, wherein the solution sets respectively represent screening efficiency optimization paths of the vibrating screen under the conditions of a high screen surface dynamic load and a low screen surface dynamic load; and step 4. calculating an optimization space for a screen surface dynamic load under a high screening efficiency. According to the method of the present invention, the screen surface dynamic load can be directly reduced, and the service life of the screen surface and the whole vibrating screen is prolonged.
    Type: Application
    Filed: July 21, 2022
    Publication date: March 16, 2023
    Applicant: Wuhan University of Science and Technology
    Inventors: Lei WANG, Yuyao GUO, Zelin ZHANG, Xuhui XIA, Jie LONG, Xiang LIU, Weimin JING, Xuguo YAN, Baotong CHEN, Tong WANG, Jianhua CAO, Huan ZHANG, Jinliang ZHOU, Wu GUO
  • Publication number: 20230082738
    Abstract: The present disclosure discloses an earphone. The earphone may include a hook-shaped component, a connecting component, and a holding component. When the earphone is in a wearing state, the hook-shaped component may be configured to hang between a rear side of an ear of a user and a head of the user. The holding component may be configured to contact a front side of the ear. The connecting component may be configured to connect the hook-shaped component and the holding component and extend from the head to an outside of the head to cooperate with the hook-shaped component to provide the holding component with a pressing force on the front side of the ear.
    Type: Application
    Filed: November 20, 2022
    Publication date: March 16, 2023
    Applicant: SHENZHEN SHOKZ CO., LTD.
    Inventors: Zeying ZHENG, Jiang XU, Yonggen WANG, Haofeng ZHANG, Gan LAI, Chong WANG, Liwei WANG, Ruixin HAN, Lei ZHANG, Junjiang FU
  • Publication number: 20230077470
    Abstract: Techniques provided herein are directed toward virtually extending an updated set of output positions of a mobile device determined by a VIO by combining a current set of VIO output positions with one or more previous sets of VIO output positions in such a way that ensure all outputs positions among the various combined sets of output positions are consistent. The combined sets can be used for accurate position determination of the mobile device. Moreover, the position determination further may be based on GNSS measurements.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 16, 2023
    Inventors: Urs NIESEN, Jubin JOSE, Lei ZHANG
  • Publication number: 20230078853
    Abstract: A touch panel, comprising: a substrate, a plurality of touch electrodes and a plurality of traces disposed on the substrate. At least one trace is connected to at least one touch electrode, and comprises a first conducting wire and a second conducting wire. A trace insulating layer is provided between the first and second conducting wires. The second conducting wire is connected to the first conducting wire by at least one via on the trace insulating layer. First conducting wires of at least two adjacent traces both have at least one break point, so that a first short circuit point between the first conducting wire is isolated from a corresponding second conducting wire; or, second conducting wires of at least two adjacent traces both have at least one break point, so that a second short circuit point between the second conducting wire is isolated from a corresponding first conducting wire.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 16, 2023
    Inventors: Lei ZHANG, Tieyi ZHANG, Tao PENG, Chuanrui GONG, Yancen LIU
  • Publication number: 20230079045
    Abstract: Provided are a compound of formula (I-a), an isomer thereof or a pharmaceutically acceptable salt thereof as a Hemagglutinin inhibitor, and a preparation method thereof. The compound is useful for preparing a medicament for treating a disease related to Hemagglutinin.
    Type: Application
    Filed: August 24, 2020
    Publication date: March 16, 2023
    Applicant: Sichuan Haisco Pharmaceutical Co., Ltd.
    Inventors: Yao Li, Lei Chen, Guobiao Zhang, Wenjing Wang, Zongjun Shi, Gang Hu, Haitao Huang, Haodong Wang, Bo Xu, Xiaobo Zhang, Guoliang LIU, Dengyu Zheng, Shilin Huang, Jianfei Zhao, Changwei Song, Chen Zhang, Fei Ye, Jia Ni, Pangke Yan
  • Publication number: 20230082265
    Abstract: In a first aspect, an article includes an inorganic substrate and a polymer film layer. The inorganic substrate includes a material including a ceramic, a glass, a glass-ceramic or a mixture thereof. The material includes a metal cation selected from the group consisting of silicon, aluminum, titanium, zirconium, tantalum, niobium and mixtures thereof and oxygen. The polymer film layer includes a polymer including an imide group. From an interface where the inorganic substrate contacts the polymer film layer, a line-profile of a CNO— signal from negative secondary ion mass spectroscopy decreases as it moves away from the interface and into the bulk of the polymer film layer.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 16, 2023
    Inventors: Kostantinos Kourtakis, Benjamin Samson, Kenneth Hernandez, Ross S Johnson, Dennis Walls, Neng Xiao, Lei Zhang, Joseph Casey Johnson
  • Patent number: 11603012
    Abstract: An electric power system for an electric vehicle, including: first charging and discharging current paths connected to a first battery unit; second charging and discharging current paths connected to a second battery unit; third charging and discharging current paths for a connection with an electric control system of the vehicle; a first power switch between the first discharging current path and the third discharging current path; a second power switch between the second discharging current path and the third discharging current path; a controlling unit to set the first and second power switches based on states of the accumulators, at least one of the first and second battery units being swappable. A controller, a method, and a vehicle comprising the system are also disclosed.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: March 14, 2023
    Assignee: GRABTAXI HOLDINGS PTE. LTD.
    Inventors: Xihu Wu, He Zhang, Lei Jiang, Yi Zheng