Patents by Inventor Wei Ma

Wei Ma 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: 20220256629
    Abstract: Provided are a data radio bearer control method, device, and system for a multi-connection system. The data radio bearer control method for a multi-connection system comprises: establishing a split protocol data unit session comprising M quality of service flows, the M quality of service flows being respectively established on N radio access network nodes, wherein one of the N radio access network nodes is a master node, and N?1 radio access network nodes other than the master node among the N radio access network nodes are secondary nodes, M and N are positive integers, and M?2 and N?2; and establishing a default data radio bearer for the split protocol data unit session, and configuring the default data radio bearer on any one of the radio access network nodes.
    Type: Application
    Filed: May 12, 2020
    Publication date: August 11, 2022
    Inventors: Hongjun LIU, Wei MA, Boshan ZHANG, Wu WEN, Dongmei LI
  • Publication number: 20220232413
    Abstract: The invention relates to the field of communication, and provides a method and a device for configuring a redundant PDU session. The method includes: obtaining first redundancy indication information for establishing or modifying the PDU session and/or a QoS flow; and configuring the redundant PDU session and/or a redundant QoS flow on a corresponding RAN node, according to the first redundancy indication information. In the present invention, establishing and modifying of a user plane multi-connectivity can be realized by obtaining the redundancy indication information for establishing or modifying the PDU session and/or the QoS flow, and configuring the redundant PDU session and/or the QoS flow to the corresponding RAN node according to the redundancy indication information.
    Type: Application
    Filed: March 31, 2020
    Publication date: July 21, 2022
    Inventors: Wei MA, Hongjun LIU, Wu WEN
  • Publication number: 20220222868
    Abstract: A method for processing point cloud data, an electronic device and a storage medium are provided, and relate to the field of intelligent transportation and perception data processing. The method includes: acquiring a target node, located in a target layer, obtained after blocking processing is performed on coordinate points in the point cloud data, wherein the target node includes a plurality of coordinate points; acquiring related information of all the coordinate points of the target node; determining a target coordinate point based on the related information of the coordinate points of the target node and a total number of the coordinate points of the target node; and replacing all the coordinate points of the target node with the target coordinate point, to realize dilution processing on the point cloud data.
    Type: Application
    Filed: March 28, 2022
    Publication date: July 14, 2022
    Applicant: APOLLO INTELLIGENT CONNECTIVITY (BEIJING) TECHNOLOGY CO., LTD.
    Inventor: Wei MA
  • Publication number: 20220215829
    Abstract: A sound recognition system including time-dependent analog filtered feature extraction and sequencing. An analog front end (AFE) in the system receives input analog signals, such as signals representing an audio input to a microphone. Features in the input signal are extracted, by measuring such attributes as zero crossing events and total energy in filtered versions of the signal with different frequency characteristics at different times during the audio event. In one embodiment, a tunable analog filter is controlled to change its frequency characteristics at different times during the event. In another embodiment, multiple analog filters with different filter characteristics filter the input signal in parallel, and signal features are extracted from each filtered signal; a multiplexer selects the desired features at different times during the event.
    Type: Application
    Filed: March 23, 2022
    Publication date: July 7, 2022
    Inventors: Zhenyong Zhang, Wei Ma
  • Patent number: 11357282
    Abstract: A system for measuring and controlling foot temperature. The system comprises a heating or cooling device including one or more sealed fluidic pathways having a cooling or heating fluid therein and disposed in or on an article of footwear or a sock. A pumping device coupled to the heating or cooling device is configured to circulate the fluid in the one or more sealed fluidic pathways. A heat exchanger coupled to the heating or cooling device is configured to remove or add heat from or to the fluid in the one or more sealed fluidic pathways. A controller coupled to the pumping device and the heat exchanger is configured to control the pumping device and the heat exchanger to cool or heat a foot located inside the article of footwear or the sock.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: June 14, 2022
    Assignees: Vivonics, Inc., University of North Texas Health Science Center
    Inventors: Ian Cohen, Gordon B. Hirschman, Anna M Galea, Hsiang-Wei Ma, Metin Yavuz, Linda Adams, Ali Ersen
  • Patent number: 11358168
    Abstract: A coating apparatus includes a process chamber, a rotation device, and a rotation holder. The rotation device is disposed in the process chamber. The rotation holder is connected to the rotation device. The rotation holder includes two extension elements, two retaining elements, and two pins. The two extension elements are disposed around a center axis and separated from each other, wherein each of the two extension elements has a side surface. Each of the two retaining elements has a bottom surface, one of the two retaining elements is connected to one of the side surfaces, and the other of the two retaining elements is connected to the other of the side surfaces. One of the two pins is connected to one of the bottom surfaces, and the other of the two pins is connected to the other of the bottom surfaces.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: June 14, 2022
    Assignee: VISERA TECHNOLOGIES COMPANY LIMITED
    Inventors: Shao-Wei Ma, Chang-Wei Chen
  • Patent number: 11353667
    Abstract: A transmitter optical sub-assembly (TOSA) structure having an independent upward heat dissipation path for dissipating heat in an upward direction including an independent signal source, an LDU assembly including a laser diode emitting a plurality of optical signals, a cascade LDU holding the laser diode, a lens positioned in front of the laser diode on the cascade LDU and an optical bench assembly including an optical bench assembled on a photonic integrated circuit having a plurality of passive optical components assembled on the optical bench. In particular, the independent signal source, the laser diode and the cascade LDU, are independent from the plurality of passive optical components on the photonic integrated circuit.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: June 7, 2022
    Assignee: Cloud Light Technology Limited
    Inventors: Vincent Wai Hung, Wing Keung Mark Mak, Vivian Wei Ma
  • Publication number: 20220126299
    Abstract: A gene sequencing reaction device, a gene sequencing system and a gene sequencing reaction method. The gene sequencing reaction device includes: a supporting platform; a dipping container disposed on the supporting platform, wherein the dipping container has a dipping reaction area, and the dipping reaction area is configured to hold a chemical reagent for gene sequencing reaction, so as to dip a sequencing chip having a DNA sample loading structure on the surface and having a DNA sample loaded thereon in the chemical reagent to perform a gene sequencing reaction; a temperature control apparatus, configured to control the temperature of the chemical reagent in the dipping reaction area; and a transfer apparatus, configured to insert the sequencing chip into the dipping reaction area or pull out the sequencing chip from the dipping reaction area.
    Type: Application
    Filed: January 6, 2022
    Publication date: April 28, 2022
    Applicant: MGI Tech Co., LTD.
    Inventors: Wei Ma, Xun Xu, Jiabo Wu, Ming Ni, Dong Wei, Jiansheng Tang
  • Patent number: 11308305
    Abstract: This application provides a fingerprint collection apparatus. According to the fingerprint collection method and the related apparatus that are provided in this application, a sensor array is divided into a plurality of areas in terms of a column based on a quantity of input ports of an analog front end component and a quantity of columns of the sensor array, and sensor units in different areas multiplex input channels of the analog front end component by using switches. In this way, when scanning row scanning lines in the sensor array, a row scanning circuit may control the switches to output, to the analog front end component in a time division manner, original fingerprint data collected by the sensor units in the different areas, so that fewer input channels of the analog front end component can be required, and a size of a fingerprint collection apparatus can be reduced.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: April 19, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xilin Wang, Tao Wang, Ding Zhong, Xiao Xing, Wei Ma, Chun Yen Liu, Sooyoung Woo
  • Publication number: 20220113258
    Abstract: Provided is a test paper kit for rapid graded quantitative detection of aromatic primary amine content in an acidic solution and an application thereof, and belongs to the field of detection. A test paper kit for rapid graded quantitative detection of aromatic primary amine content in an acidic solution, including 9 independent test paper sheets I-IX, wherein the test paper sheets are obtained by soaking filter paper in the following solutions respectively and then drying the filter paper: the test paper sheets I-III are soaked in alcoholic solutions of p-dimethylaminobenzaldehyde with three concentrations respectively; the test paper sheets IV-VI are soaked in alcoholic solutions of p-hydroxybenzaldehyde with three concentrations respectively, and the test paper sheets VII-IX are soaked in alcoholic solutions of p-methoxybenzaldehyde with three concentrations respectively.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 14, 2022
    Inventors: Shufen ZHANG, Lei LI, Huaixi LIU, Rongwen LV, Bingtao TANG, Wei MA
  • Patent number: 11302306
    Abstract: A sound recognition system including time-dependent analog filtered feature extraction and sequencing. An analog front end (AFE) in the system receives input analog signals, such as signals representing an audio input to a microphone. Features in the input signal are extracted, by measuring such attributes as zero crossing events and total energy in filtered versions of the signal with different frequency characteristics at different times during the audio event. In one embodiment, a tunable analog filter is controlled to change its frequency characteristics at different times during the event. In another embodiment, multiple analog filters with different filter characteristics filter the input signal in parallel, and signal features are extracted from each filtered signal; a multiplexer selects the desired features at different times during the event.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: April 12, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Zhenyong Zhang, Wei Ma
  • Patent number: 11287577
    Abstract: An optical mode converter for coupling between photonic integrated circuit (PIC) and optical fiber of different mode sizes is illustrated. The optical mode converter includes a waveguide assembly including a Single waveguide structure, a Multi-layer waveguide structure, and a Transitional waveguide structure. The Single waveguide structure includes a single waveguide. The dimension and propagation constant of a first end, of the single waveguide, is similar to a waveguide of a photonic integrated circuit (PIC). Furthermore, the Multi-layer waveguide structure included a multi-layer waveguide. Further, the Transitional waveguide structure is formed at a transitional structure. The Transitional waveguide structure allows transition of an optical mode between the Single waveguide structure and Multi-layer waveguide structure.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: March 29, 2022
    Assignee: Cloud Light Technology Limited
    Inventors: Chi Yan Wong, Vivian Wei Ma, Yat Hin Chan, Yuk Nga Chen, Vincent Wai Hung
  • Publication number: 20220050210
    Abstract: The present application discloses a method, an apparatus for superimposing laser point clouds and a high-precision map and an electronic device, comprising: when superimposing the laser point clouds and the high-precision map for visualization, first performing dilution processing on non-road laser point clouds in the laser point clouds to be fused to obtain target non-road laser point clouds, which effectively reduces the amount of data of the laser point clouds to be fused; and performing segmentation processing on the map to be fused to obtain multi-level map data corresponding to the map to be fused, which effectively reduces the amount of data of the map to be fused. In this way, when superimposing the laser point clouds and the high-precision map for visualization, both non-road information may be visualized through the laser point clouds, and road information may be visualized through the high-precision map.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Inventors: Wei MA, Ji TAO, Xing HU, Liqi WANG, Kun WANG
  • Patent number: 11241692
    Abstract: A gene sequencing reaction device, a gene sequencing system and a gene sequencing reaction method. The gene sequencing reaction device includes: a supporting platform; a dipping container disposed on the supporting platform, wherein the dipping container has a dipping reaction area, and the dipping reaction area is configured to hold a chemical reagent for gene sequencing reaction, so as to dip a sequencing chip having a DNA sample loading structure on the surface and having a DNA sample loaded thereon in the chemical reagent to perform a gene sequencing reaction; a temperature control apparatus, configured to control the temperature of the chemical reagent in the dipping reaction area; and a transfer apparatus, configured to insert the sequencing chip into the dipping reaction area or pull out the sequencing chip from the dipping reaction area.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: February 8, 2022
    Assignee: MGI Tech Co., LTD.
    Inventors: Wei Ma, Xun Xu, Jiabo Wu, Ming Ni, Dong Wei, Jiansheng Tang
  • Publication number: 20220036096
    Abstract: The present disclosure discloses a method and apparatus for processing a trajectory, a roadside device, and a cloud control platform, relates to the field of intelligent transportation, and in particular to the field of computer vision. An implementation scheme is: acquiring a to-be-processed trajectory, the to-be-processed trajectory comprising at least three sequential position points; determining an auxiliary line based on the position points and a preset number of interpolation points; determining positions of the interpolation points based on the preset number of interpolation points; and determining and outputting a target trajectory based on the auxiliary line and the positions of the interpolation points.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Inventor: Wei Ma
  • Publication number: 20220032400
    Abstract: A system for controlling overlapping in single-layer laser cladding of a shaft-like workpiece includes an acceleration time calculation module, a feed shaft displacement calculation module and a module for adjusting an initial zero position of a laser head in a feed direction. Using the system, the motions of the spindle and the feed shaft are planned based on an S-curve acceleration and deceleration method. The motion planning is dynamically adjusted considering the overlapping rate and the clamping allowance of the workpiece to be cladded in a feed direction.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Inventors: Chengrui ZHANG, Yisheng YIN, Wei MA, Jie WU, Tieshuang ZHU, Tianliang HU
  • Publication number: 20210364712
    Abstract: A transmitter optical sub-assembly (TOSA) structure having an independent upward heat dissipation path for dissipating heat in an upward direction including an independent signal source, an LDU assembly including a laser diode emitting a plurality of optical signals, a cascade LDU holding the laser diode, a lens positioned in front of the laser diode on the cascade LDU and an optical bench assembly including an optical bench assembled on a photonic integrated circuit having a plurality of passive optical components assembled on the optical bench. In particular, the independent signal source, the laser diode and the cascade LDU, are independent from the plurality of passive optical components on the photonic integrated circuit.
    Type: Application
    Filed: May 21, 2020
    Publication date: November 25, 2021
    Inventors: Vincent Wai Hung, Wing Keung Mark Mak, Vivian Wei Ma
  • Patent number: 11179805
    Abstract: Provided are a method and a system for controlling the overlapping in the single-layer laser cladding of a shaft-like workpiece, and a method, a device and a system for dynamically adjusting a height of the laser head of a laser cladding machine. In the method for controlling the overlapping in the laser cladding of the shaft-like workpiece, the motions of the spindle and the feed shaft are planned based on an S-curve acceleration and deceleration method. The motion planning is dynamically adjusted by comprehensively considering the overlapping rate and the clamping allowance of the workpiece in a feed direction.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: November 23, 2021
    Assignee: Shandong University
    Inventors: Chengrui Zhang, Yisheng Yin, Wei Ma, Jie Wu, Tieshuang Zhu, Tianliang Hu
  • Patent number: 11181171
    Abstract: In an aspect, a tensioner is provided for tensioning a belt on an engine, and includes a base mountable to a stationary member, and a first tensioner arm pivotably connected to the base. The first tensioner arm is biased in a first pivot direction. The tensioner includes a first bumper on one of the base and the first tensioner arm, which is engageable with a first travel limiter on the other of the base and the first tensioner arm to limit travel of the first tensioner arm in a second pivot direction, and a first pulley rotatably mounted to the first tensioner arm and positioned to engage a first section of the belt. The first bumper and the first travel limiter together have a selected first combined spring rate during engagement. The first combined spring rate increases progressively with compression between the first bumper and the first travel limiter.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: November 23, 2021
    Assignee: LITENS AUTOMOTIVE PARTNERSHIP
    Inventor: Wei Ma
  • Patent number: 11174921
    Abstract: In an aspect, a V tensioner is provided and includes a first arm and a second arm. A damping structure and a damping system biasing member are provided. The damping system biasing member is positioned axially in between the first and second arms.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: November 16, 2021
    Assignee: LITENS AUTOMOTIVE PARTNERSHIP
    Inventors: Michael B. Fischer, Wei Ma