Patents by Inventor Lei Chen

Lei Chen 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: 11688178
    Abstract: The embodiments of the present disclosure provide a system for calculating a regional crowd movement and a method thereof. The system is applied to a target monitoring environment, a plurality of key travel nodes are planned in the target monitoring environment, and the system includes radio frequency labels deployed on pedestrians, calculation apparatuses deployed at the key travel nodes and a plurality of directional antennas. The directional antenna is configured to, when driven by the calculation apparatus, send a read-write signal to the radio frequency label in a coverage region; the directional antenna is further configured to forward a radio frequency signal simultaneously reflected by the radio frequency label at the time of obtaining the read-write signal to the calculation apparatus; the calculation apparatus is configured to, based on a tempo-spatial distribution circumstance of the radio frequency signals in the region.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: June 27, 2023
    Assignees: China Construction First Group Corporation Limited, China Construction First group Huabei Construction Co., Ltd., Lanjian (Suzhou) Technology Co., Ltd
    Inventors: Lei Chen, Wei Xu, Zhiyu Zhao, Ruoxuan Mei, Weiyu Su, Ziqi Zhou, Zhengang Zhao, Yuze Wang, Yanting He, Xiaojiao Xiao, Guoxu Zhang, Jing Tong, Le Wang, Ling Wang, Zijin Liao
  • Patent number: 11679370
    Abstract: The invention is directed to a chemical reactor (100) having (a) two or more gas reactor elements (12) with each gas reactor element (12) having (i) a first reaction chamber (38), and (ii) a feed assembly unit (36), (b) a second reaction chamber (20) coupled with each of the two or more gas reactor elements (12) and configured to independently receive two or more product streams from the two or more gas reactor elements (12); and optionally, (c) a gas converging section (40) located downstream to the second reaction chamber (20). The invention is further directed to a method of producing chemical products using the chemical reactor (100) of the present invention.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: June 20, 2023
    Assignee: SABIC Global Technologies B.V.
    Inventors: Lei Chen, Sreekanth Pannala, David West
  • Publication number: 20230183417
    Abstract: Disclosed is an environment-friendly and flame-retardant abradable seal coating material with an ultra-low density and a use method thereof. The seal coating material includes a component A and a component B packaged separately; the component A includes 20-30 wt % of a curing agent for bisphenol A epoxy resin, 20-30 wt % of a liquid phosphorus-containing curing agent, 20-40 wt % of a hollow glass microbead, 1-5 wt % of 2,4,6-tris(dimethylaminomethyl)phenol, 5-15 wt % of dimethyl methylphosphonate and 0.5-3 wt % of a silane coupling agent; the component B includes 30-40 wt % of a bisphenol A epoxy resin, 30-40 wt % of a liquid phosphorus-containing epoxy resin, 20-30 wt % of a hollow glass microbead, 0-10 wt % of a liquid acrylonitrile-butadiene rubber and 0.5-3 wt % of a silane coupling agent. The method includes: mixing the component A and the component B to obtain a coating, and applying the obtained coating to a surface of a part for curing.
    Type: Application
    Filed: June 20, 2022
    Publication date: June 15, 2023
    Inventors: Haixia Cui, Lei Chen, Yue Zhang, Yanping Wu, Hongxuan Li, Huidi Zhou, Jianmin Chen
  • Publication number: 20230188197
    Abstract: A data transmission method and an apparatus are disclosed. A single parameter indicates transmit beam information for uplink transmission and receive beam information for downlink transmission of a terminal device together. The data transmission method includes receiving first indication information, where the first indication information indicates a terminal device to perform data transmission based on a first parameter, and the first parameter indicates transmit beam information for uplink transmission and/or receive beam information for downlink transmission, and performing data transmission based on the transmit beam information and/or the receive beam information that are/is indicated by the first parameter.
    Type: Application
    Filed: February 13, 2023
    Publication date: June 15, 2023
    Inventors: Xi Zhang, Peng Guan, Bo Fan, Lei Chen, Kuandong Gao
  • Publication number: 20230189384
    Abstract: This application provides a signaling transmission method and an apparatus, to improve signaling transmission efficiency. The method includes: A first terminal device resumes at least one dedicated signaling radio bearer based on a stored context, where the first terminal device is in an inactive state; and the first terminal device sends a first message to a first radio access network device, where the first message includes first non-access stratum NAS signaling sent by the first terminal device to a core network device, and the first NAS signaling is carried in one of the at least one dedicated signaling radio bearer.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Inventors: Lei Chen, Hong Wang, Zonghui Xie, Haifeng Yu
  • Publication number: 20230188267
    Abstract: In an indication information receiving method, a first terminal device receives first indication information from a first network device, and sends information about at least one HARQ process of the first terminal device to the first network device based on the first indication information, where the information about the at least one HARQ process includes a process number of a first HARQ process. The first terminal device receives first data from the first network device through the first HARQ process. This can improve reliability during data transmission.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 15, 2023
    Inventors: Bin XU, Chenwan LI, Lei CHEN
  • Publication number: 20230189146
    Abstract: A method to resolve a problem of resource waste caused by a communication device listening to, on all listening occasions, information scrambled by using a first radio network temporary identifier RNTI. A network device determines a mapping period of a first RNTI, where in the mapping period, a beam and a listening occasion form a mapping relationship, so that the network device sends, to a terminal device on a target listening occasion by using a target beam, information scrambled by using the first RNTI. The terminal device receives, on the target listening occasion by using the target beam, the information scrambled by using the first RNTI.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Inventors: Tingyu XIN, Bingzhao LI, Lei CHEN
  • Patent number: 11671931
    Abstract: A method includes: receiving, by a first node, transmission timing information sent by a second node, where the transmission timing information includes a first network timing advance; and determining, by the first node, frame timing of the first node based on the transmission timing information, where the frame timing includes a downlink frame sending time and/or an uplink frame receiving time of the first node; and the second node is an upper-level node of the first node.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: June 6, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Fengwei Liu, Lei Chen
  • Patent number: 11668637
    Abstract: A data processing method includes: collecting test data of a target rock sample in different gas adsorption experiments; the test data including pore sizes and pore volumes corresponding to the pore sizes and including at least two selected from the group consisting of the test data with pore sizes less than 3 nm in CO2 adsorption experiment, the test data with pore sizes in 1.5 nm to 250 nm in N2 adsorption experiment and the test data with pore sizes in 10 nm to 1000 ?m in high-pressure mercury adsorption experiment; and fitting the test data in overlapping ranges of the pore sizes using a least square method, and obtaining target pore volumes corresponding to the pore sizes respectively. The accuracy of joint characterization of shale pore structures can be improved by using mathematical methods to process the data in overlapping ranges of pore sizes among different characterization methods.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: June 6, 2023
    Assignees: SOUTHWEST PETROLEUM UNIVERSITY, CHINA UNIVERSITY OF GEOSCIENCES, WUHAN
    Inventors: Kun Zhang, Shu Jiang, Jun Peng, Xiaoming Zhao, Bin Li, Lei Chen, Pei Liu, Xuejiao Yuan, Fengli Han, Xueying Wang
  • Patent number: 11664398
    Abstract: An image sensor includes a storage device, where the storage device includes a memory element, a first dielectric layer and a light shielding element. The memory element includes a storage node and a storage transistor gate, where the storage transistor gate is located over the storage node. The first dielectric layer is located over a portion of the storage transistor gate. The light shielding element is located on the first dielectric layer and includes a semiconductor layer. The semiconductor layer is electrically isolated from the memory element, where the light shielding element is overlapped with at least a part of a perimeter of the storage transistor gate in a vertical projection on a plane along a stacking direction of the memory element and the light shielding element, and the stacking direction is normal to the plane.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: May 30, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung-Lei Chen, Clark Lee, Wen-Sheng Wang, Chien-Li Kuo
  • Patent number: 11665057
    Abstract: Embodiments of this application disclose a method for reducing power consumption and a device, and relate to the field of mobile terminals, to further reduce power consumption of a terminal device when the terminal device enters a doze mode. A specific solution is as follows: After detecting that screen-off duration of the terminal device is greater than first duration, the terminal device sends a transmission control protocol reset packet to an application server of a to-be-controlled application, so that the application server disconnects a TCP connection to the terminal device. Therefore, after the terminal device enters the doze mode, the power consumption of the terminal device is further reduced. The embodiments of this application are used to reduce power consumption of the terminal device.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: May 30, 2023
    Assignee: HONOR DEVICE CO., LTD.
    Inventors: Dawei Lin, Lei Chen
  • Patent number: 11662036
    Abstract: Provided in the embodiments of the application are a bidirectional pressure relief valve, a battery and an electric device. The bidirectional pressure relief valve includes a valve seat, a first valve element and a second valve element, where the valve seat has a first end and a second end opposite each other, a channel and a partition plate, the channel penetrating the first end and the second end, a first pressure relief hole being provided on the partition plate, and the partition plate being arranged on an inner wall of the channel, and dividing the channel into a first cavity and a second cavity in an axial direction of the channel. The bidirectional pressure relief valve of the application can be applied to the battery to maintain balance between internal pressure and external pressure of the battery.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: May 30, 2023
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Fan Zhang, Lei Chen, Heyuan Li, Langchao Hu
  • Publication number: 20230159583
    Abstract: The present invention relates to a compound for treating gout, a preparation method therefor and the use thereof. The compound is as represented by formula I. Disclosed in the present invention are a method for preparing the compound and the use of the compound in the preparation of a drug for treating or preventing gout. Further disclosed in the present invention is a composition product containing the compound. The compound provided by the present invention can be used for treating inflammation and gout, and can also be used for treating cancers.
    Type: Application
    Filed: March 18, 2021
    Publication date: May 25, 2023
    Applicant: Huazhong Pharmaceutical Co., Ltd.
    Inventors: Qingsong Li, Linshan Yao, Jinsheng Gao, Fei Yuan, Lei Chen, Hongyang Zhang
  • Patent number: 11658753
    Abstract: A signal measurement method and a communication apparatus to measure a downlink angle of departure (DAOD) more accurately. The method includes: receiving resource configuration information, where the resource configuration information includes configuration information of a first reference signal set, the first reference signal set includes M reference signals, N reference signals in the M reference signals are reference reference signals, M is greater than 1, and N is greater than or equal to 1; receiving the M reference signals; determining N first paths corresponding to the N reference reference signals, and separately determining M*N received powers of the M reference signals on the N first paths; and reporting a measurement result, where the measurement result includes K*N received powers in M*N received powers, K?M, and the first path is one of a plurality of paths corresponding to a reference reference signal.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: May 23, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Su Huang, Lei Chen
  • Publication number: 20230141206
    Abstract: The present disclosure provides an organic light-emitting diode structure and a display device. The electron blocking layer, the luminescent layer and the hole blocking layer in the organic light-emitting diode structure satisfy: HOMOhost?HOMOEBL?0.3 eV, LUMOhost>LUMOHBL, and HOMOHBL?HOMOhost?0.1 eV, wherein HOMO is the highest occupied molecular orbital, LUMO is the lowest unoccupied molecular orbital, host refers to the host material, EBL refers to the electron blocking layer, and HBL refers to the hole blocking layer.
    Type: Application
    Filed: June 8, 2021
    Publication date: May 11, 2023
    Inventors: Lei CHEN, Dan WANG
  • Publication number: 20230144005
    Abstract: The invention discloses a bed cover connection device for pickup truck, wherein includes a sidebar lock system connected to two sidebars, a large rear bar lock system connected to the rear bar and multiple intermediate node blocks, the sidebar locking system includes a sidebar lock base, the sidebar lock base has a locking cavity, and there are two large rear bar lock systems, the two large rear-bar lock systems are set corresponding to the two side-bar lock systems, the large rear-bar lock system includes a rear-bar lock block and a lock connection shaft, the rear-bar lock block is connected to the rear bar, the lock connection shaft passes through the rear-bar lock block. The device in this invention can pull the lock out of the lock cavity to open the rear bar by setting up a wire rope, and multiple intermediate node blocks, which separate the wire rope into multiple segments, are set up to facilitate the user to pull the wire rope.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 11, 2023
    Inventors: Lei QIU, Lei CHEN
  • Patent number: 11644590
    Abstract: A multi-wavefield seismic detection method and system based on construction noise of a shield machine. Multi-wavefield seismic information such as a body wave and a surface wave formed during propagation of a seismic wave generated by excitation in a stratum is obtained by using noise information caused by the construction of a shield machine as a seismic source, a stratum velocity model along a tunnel is constructed through joint inversion, and reflection wave information or the like is used for migration imaging, to eventually implement relatively accurate detection of a geological condition in front of a tunnel face of shield construction.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: May 9, 2023
    Assignee: SHANDONG UNIVERSITY
    Inventors: Shucai Li, Bin Liu, Xinji Xu, Lei Chen, Jiansen Wang, Chao Fu, Yuxiao Ren
  • Publication number: 20230139403
    Abstract: A coated steel substrate has a steel substrate having a surface. A coating layer is atop the surface. The coating layer includes: aluminum activated by indium; and a ceramic binder. The coating also may comprise of multiple layers with different properties to facilitate the galvanic protection capability.
    Type: Application
    Filed: December 27, 2022
    Publication date: May 4, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: Lei Chen, Poulomi Sannigrahi
  • Patent number: 11640007
    Abstract: The present invention discloses a system and method for phased array sound wave advanced geological exploration for a shield tunneling machine. The system includes a phased array sound wave emitting and receiving apparatus, a probe automatic telescopic apparatus, an automatic protection and cleaning apparatus, and a signal processing and imaging system. Sonic probes are installed on a side wall of a main spoke, opposite to a rotation direction, of a cutterhead of the shield tunneling machine, on the basis of automatic detection of a telescopic state and a contact state, sonic array probes are enabled to make contact with a tunnel face by a hydraulic push rod, a focus sound wave is emitted by using a phased array emitting technology, and a reflected wave signal with front geological information reflected from the front of the tunnel face is received.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: May 2, 2023
    Assignee: SHANDONG UNIVERSITY
    Inventors: Shucai Li, Bin Liu, Xinji Xu, Lei Chen, Chao Fu, Lei Hao
  • Publication number: 20230131176
    Abstract: Provided is a secondary battery, including: an electrode assembly, a packing bag, an electrode lead and an insulation part; the electrode assembly is housed in the packing bag having a sealing part on edge, and the electrode lead is connected to the electrode assembly and passes through the sealing part. The sealing part includes a main body area, a first step area and a first transition area which are located on same side of the electrode lead along width direction, and the main body area, first transition area and first step area are successively arranged along direction approaching the electrode lead; the insulation part is wrapped around the electrode lead, and has a first portion which is located on a side of the electrode lead close to the main body area along width direction and covered by the first step area on both sides in thickness direction.
    Type: Application
    Filed: April 11, 2020
    Publication date: April 27, 2023
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Mianyu XIE, Min ZHANG, Lei CHEN, Xiao CHEN