Patents by Inventor Lei Huang

Lei Huang 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: 10718096
    Abstract: The present disclosure relates to a three-dimensional drainage device suitable for a loose filling slope and methods for constructing the three-dimensional drainage device. The slope includes a stable stratum and a filling soil stratum above the stable stratum. The three-dimensional drainage device includes a surface drainage mechanism, a shallow drainage mechanism and a deep drainage mechanism. The surface drainage mechanism includes one or more catchment canals arranged on an upper surface of the filling soil stratum and a pool arranged on an edge of the filling soil stratum. The shallow drainage mechanism includes one or more first collecting pipes. The deep drainage mechanism includes one or more drainage gabions and one or more second collecting pipes.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: July 21, 2020
    Assignee: CHINA UNIVERSITY OF GEOSCIENCES (WUHAN)
    Inventors: Changdong Li, Huiming Tang, Mingjuan Wu, Junrong Zhang, Yongquan Zhang, Lei Huang
  • Patent number: 10721109
    Abstract: A transmission apparatus includes a transmission signal generator which, in operation, generates a transmission signal having an aggregate physical layer protocol data unit (PPDU) that includes a legacy preamble, a legacy header, a non-legacy preamble, a plurality of non-legacy headers and a plurality of data fields; and a transmitter which, in operation, transmits the generated transmission signal, wherein the legacy preamble, the legacy header and the plurality of non-legacy headers are transmitted using a standard bandwidth, the non-legacy preamble and the plurality of data fields are transmitted using a variable bandwidth that is larger than the standard bandwidth and wherein a plurality of sets of each of the plurality of non-legacy headers and each of the plurality of data fields are transmitted sequentially in a time domain.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: July 21, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Lei Huang, Hong Cheng Michael Sim, Takenori Sakamoto
  • Publication number: 20200220760
    Abstract: A transmission apparatus of the present disclosure comprises a packet generator which, in operation, generates a packet and a transmitter which, in operation, transmits the generated packet. The packet includes a legacy short training field, a legacy long training field, a legacy signal field (L-SIG), a repeated legacy signal field (RL-SIG), a first non-legacy signal field, a second non-legacy signal field, a non-legacy short training field, a non-legacy long training field and a data field, wherein the second non-legacy signal field is optionally present. The packet generator generates the packet by configuring the RL-SIG in different ways according to a presence or absence of the second non-legacy signal field in the packet.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Inventors: LEI HUANG, MICHAEL HONG CHENG SIM, YOSHIO URABE
  • Publication number: 20200221341
    Abstract: A wireless communication device serving as an NG60 WiGig device includes a PPDU generator that generates an MF control PHY PPDU (physical layer protocol data unit) including a legacy preamble, a legacy header, an NG60 header (a non-legacy header), a data field, and identification information indicating that the non-legacy header is included in the PPDU and a transmitter that transmits the generated MF control PHY PPDU.
    Type: Application
    Filed: March 13, 2020
    Publication date: July 9, 2020
    Inventors: Lei Huang, Michael Hong Cheng Sim, Takenori Sakamoto, Naganori Shirakata
  • Patent number: 10701706
    Abstract: Embodiments provide a resource allocation method. The method includes: obtaining, by a first base station, an access transmission rate of at least one second base station, where the access transmission rate is a ratio of a total throughput to a total bandwidth occupied by all the user equipments. The throughput being of all user equipments for which the at least one second base station performs scheduling, The method further includes determining, by the first base station, resource allocation information of an access link and a backhaul link of the at least one second base station according to the access transmission rate and a backhaul transmission rate of the at least one second base station, and sending the resource allocation information. The backhaul transmission rate is a ratio of a total throughput of the backhaul link of the at least one second base station to a total bandwidth of the backhaul link.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: June 30, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhenyu Shi, Yi Wang, Lei Huang
  • Publication number: 20200196164
    Abstract: An MIMO training method including performing transmission sector sweeping using an initiator including a plurality of transmitting antennas, selecting a set of at least one transmission sector for each of the transmitting antennas using a responder including a plurality of receiving antennas; performing reception sector sweeping using the initiator, selecting a set of at least one reception sector for each of the plurality of receiving antennas using the responder, performing beam combination training using the initiator; and selecting a determined number of sector pairs consisting of a transmission sector and a reception sector from among the selected set of transmission sectors and the selected set of reception sectors using the responder, wherein the transmitting antennas in the selected sector pairs differ from one another, and the receiving antennas in the selected sector pairs differ from one another.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Inventor: Lei Huang
  • Publication number: 20200187944
    Abstract: An anastomosis set for anastomosing a first end to be anastomosed with a second end to be anastomosed, such anastomosis set comprising: a first manipulator, with a first telescoping part at a distal end thereof, the first telescoping part is used for telescoping toward the first end to be anastomosed; a second manipulator, with a second telescoping part at a distal end thereof, the second telescoping part is used for telescoping toward the second end to be anastomosed; and an anastomosis mechanism for anastomosing the first end to be anastomosed with the second end to be anastomosed; the first manipulator including a first exit part through which the first manipulator will be removed from the first end to be anastomosed after anastomosing; the second manipulator has a second exit part, through which the second manipulator will be removed from the second end to be anastomosed after anastomosing.
    Type: Application
    Filed: November 11, 2019
    Publication date: June 18, 2020
    Applicant: VasoCollar, Inc.
    Inventors: Hsin-Lei Huang, Wei-Chen Hong, Cheng Tung Huang, Hang-Yi Lin, HSIN-HUI HUANG
  • Publication number: 20200187255
    Abstract: A channel listening method applied to an unlicensed frequency band, and an apparatus are provided, where the method includes: performing, by a communications device, clear channel assessment on a first beam, and in a process of the clear channel assessment, performing, by the communications device, a backoff based on a backoff control parameter for the first beam, where the communications device has a plurality of optional beams, the first beam is one of the plurality of optional beams, and the backoff control parameter is set based on a historical value of a backoff control parameter for at least one of the plurality of optional beams; and after the backoff succeeds, performing, by the communications device, transmission by using the first beam.
    Type: Application
    Filed: February 17, 2020
    Publication date: June 11, 2020
    Inventors: Yang LIU, Yingpei LIN, Lei HUANG
  • Patent number: 10681657
    Abstract: The present disclosure relates to the communications field, and provides a frame synchronization method, user equipment, and a base station, to implement frame time synchronization in a high-low frequency hybrid communications system. In one example method, a user equipment completes synchronization of a first frequency frame, determines a first moment of the synchronization of the first frequency frame, obtains a receive time difference, and completes synchronization of a second frequency frame according to the receive time difference and the first moment. The receive time difference is a time difference between a moment at which the user equipment receives the second frequency frame and a moment at which the user equipment receives the first frequency frame.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: June 9, 2020
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Huang Huang, Yi Wang, Lei Huang
  • Publication number: 20200170756
    Abstract: In one aspect, the present application provides a method of fabricating a shell-shaped repositioner for repositioning teeth from a first tooth arrangement to a second tooth arrangement, comprising: obtaining a first 3D digital model representing the first tooth arrangement, a second 3D digital model representing the second tooth arrangement and information of restrictions on anchorage force bearing of a first tooth among the teeth; modifying the second 3D digital model based on the first 3D digital model, the second 3D digital model and the information of restrictions on anchorage force bearing of the first tooth, to obtain a third 3D digital model; and controlling an apparatus using the third 3D digital model to fabricate the shell-shaped repositioner.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 4, 2020
    Inventors: Ketuo ZHOU, Lei HUANG
  • Publication number: 20200178178
    Abstract: A communication apparatus comprises primary connectivity radio (PCR) circuitry which, in operation, exchanges a wake up radio (WUR) mode setup frame with a communication partner apparatus in awake state; and wake up radio (WUR) circuitry which, in operation, receives a wake-up frame from the communication partner apparatus, wherein upon successful completion of the WUR mode setup frame exchange in mode other than WUR mode, the communication apparatus enters the WUR mode in which the WUR circuitry is in state to receive a WUR frame, and wherein upon receiving the wake-up frame by the WUR circuitry in the WUR mode, the PCR circuitry changes current state to the awake state.
    Type: Application
    Filed: August 7, 2018
    Publication date: June 4, 2020
    Inventors: LEI HUANG, YOSHIO URABE, ROJAN CHITRAKAR
  • Publication number: 20200163127
    Abstract: The present disclosure relates to the prioritization of devices taking part in a multi-user random access wireless communication. Based on some known conditions, devices that comply with the conditions are given preferential treatment during the random access period. The preferential treatment may refer to the eligible devices being allowed to access more resource units during the random access, or it may also mean faster access to the medium during the random access. By taking advantage of the methods described in the present disclosure, it is possible to assign higher priority to selected frame types and/or device categories in a multi-user random access wireless communication system.
    Type: Application
    Filed: January 23, 2020
    Publication date: May 21, 2020
    Inventors: ROJAN CHITRAKAR, YOSHIO URABE, LEI HUANG, MICHAEL HONG CHENG SIM
  • Patent number: 10659120
    Abstract: A communication apparatus includes a PHY frame generating circuit that generates a PHY frame including either of a short Sector Sweep frame and a Sector Sweep frame; and an array antenna that selects, based on the PHY frame, any sector from among a plurality of sectors and transmits the PHY frame. In a case where, in the PHY frame including the short Sector Sweep frame, a Direction field of the short Sector Sweep frame indicates Initiator Sector Sweep, the PHY frame generating circuit replaces a Short Sector Sweep Feedback field indicating a number of a selected best short Sector Sweep with a Short Scrambled Basic Service Set ID field indicating an abbreviated address generated from an address of a destination communication apparatus.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: May 19, 2020
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Hiroyuki Motozuka, Masataka Irie, Takenori Sakamoto, Naganori Shirakata, Yao Huang Gaius Wee, Michael Hong Cheng Sim, Lei Huang
  • Patent number: 10660178
    Abstract: Disclosed is a dynamic lighting method, which includes a power supply output module of a dynamic lighting device outputs a first power supply signal according to a lighting control signal, electric parameters of the first power supply signal include one or more groups of dynamically changed electrical parameters, one or multiple lighting parts of the dynamic lighting device generate a dynamically changed light signal under driving of the first power supply signal, so that the dynamic lighting device outputs a light of dynamic illumination, a change rate of illumination of the light is not more than 0.02 during any time period of 0.1 second, and a ratio of the minimum and maximum values of the illumination of the light outputted by the dynamic lighting device is not more than 50%. The lighting method will result that the physiological structures of the eyes change with change of the light accordingly to overcome the defect that the user easily feels visual fatigue.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: May 19, 2020
    Assignee: GUANGZHOU WLIGHT EYE-TECH CO., LTD
    Inventors: Ziping Chen, Mengzhen Chen, Lei Huang
  • Publication number: 20200152799
    Abstract: The present disclosure provides a thin film transistor, a thin film transistor array, and a method for detecting an object to be detected, wherein the thin film transistor is configured to detect a parameter of an object to be detected bound with a metal ion and includes an active layer, wherein: a carrier of the active layer without a metal element contained in the metal ion bound is of a first mobility, and a carrier of the active layer with the metal element bound is of a second mobility different from the first mobility.
    Type: Application
    Filed: July 9, 2019
    Publication date: May 14, 2020
    Inventors: Guangyao LI, Lei HUANG, Haitao WANG, Jun WANG, Qinghe WANG, Wei LI, Dongfang WANG, Liangchen YAN
  • Publication number: 20200137770
    Abstract: The present disclosure provides a transmission apparatus that comprises a first payload generator configured to generate payload of a packet of a first signal type; a second payload generator configured to generate payload of a packet of a second signal type; a packet scheduler that controls the transmission timings of the first and the second packet; and a transmitter which, in operation, transmits, under the timing control of the packet scheduler, the packet of the first signal type followed by the packet of the second signal type.
    Type: Application
    Filed: May 17, 2018
    Publication date: April 30, 2020
    Inventors: ROJAN CHITRAKAR, LEI HUANG, YOSHIO URABE
  • Patent number: 10637706
    Abstract: A transmission apparatus of the present disclosure comprises a packet generator which, in operation, generates a packet and a transmitter which, in operation, transmits the generated packet. The packet includes a legacy short training field, a legacy long training field, a legacy signal field (L-SIG), a repeated legacy signal field (RL-SIG), a first non-legacy signal field, a second non-legacy signal field, a non-legacy short training field, a non-legacy long training field and a data field, wherein the second non-legacy signal field is optionally present. The packet generator generates the packet by configuring the RL-SIG in different ways according to a presence or absence of the second non-legacy signal field in the packet.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: April 28, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Lei Huang, Michael Hong Cheng Sim, Yoshio Urabe
  • Publication number: 20200127236
    Abstract: An optical waveguide and manufacturing method thereof, display substrate and display device. The optical waveguide comprises an optical fiber array arranged on a surface where each optical fiber in the optical fiber array has a cylindrical shape and the axis of each optical fiber is perpendicular to the surface. With the effect of limitation and mixing of the optical fibers, the intensity and color of the light from the optical waveguide are basically homogeneous in the whole emitting range, such that the viewing angle characteristics of the display device are effectively improved and the problem of uneven brightness and color bias in the range of viewing angle is solved.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Zhijie Ye, Rui Peng, Xinxin Wang, Lei Huang, Wenbin Jia
  • Publication number: 20200126494
    Abstract: The embodiments of the present invention relate to an information terminal, comprising a background illumination light for illuminating a background environment within the viewing angle range of the user, a camera for acquiring a photo analog signal or a photo digital signal of the background environment within the viewing angle rang of the user, a photo capturing unit for converting the photo analog signal or the photo digital signal acquired by the camera into digitized photo data, a photo gray level analysis unit for analyzing the gray level of the photo data and generating state parameters of the background environment within the viewing angle range of the user according to the configuration parameter of the camera, a background illumination light illumination parameter adjustment unit for adjusting illumination parameters of the background illumination light according to the state parameters, thus allowing illumination states of the background environment to reach a preset parameter, and a display screen
    Type: Application
    Filed: May 30, 2018
    Publication date: April 23, 2020
    Inventors: Ziping Chen, Lei Huang, Mengzhen Chen
  • Patent number: 10631203
    Abstract: A wireless communication device serving as an NG60 WiGig device includes a PPDU generator that generates an MF control PHY PPDU (physical layer protocol data unit) including a legacy preamble, a legacy header, an NG60 header (a non-legacy header), a data field, and identification information indicating that the non-legacy header is included in the PPDU and a transmitter that transmits the generated MF control PHY PPDU.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: April 21, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Lei Huang, Michael Hong Cheng Sim, Takenori Sakamoto, Naganori Shirakata