Patents by Inventor Xiang Xu

Xiang 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).

  • Publication number: 20210157061
    Abstract: A fiber optic adapter includes a surrounding wall defining a communication space, two first protruding walls located in the communication space and connected to the surrounding wall, two second protruding walls located in the communication space and connected to the surrounding wall, and an error-proofing protrusion disposed on the surrounding wall, and located in a first key groove between the first protruding walls.
    Type: Application
    Filed: September 16, 2020
    Publication date: May 27, 2021
    Inventors: Jim LIN, Ke-Xue NING, Xiang-Xu ZENG
  • Patent number: 10990500
    Abstract: A method for user mining is provided. The method may include obtaining a plurality of first feature vectors of a plurality of positive samples and a plurality of second feature vectors of a plurality of negative samples, and generating a plurality of expanded first feature vectors based on the plurality of first feature vectors and second feature vectors and expanded second feature vectors. Each first feature vector may include first feature information that describes a plurality of features of a corresponding positive sample. Each second feature vector may include second feature information that describes a plurality of features of a corresponding negative sample. The method may further include determining one or more core features related to the plurality of positive samples among the plurality of features corresponding to the plurality of first feature vectors based on a trained binary model.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: April 27, 2021
    Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Yuexiang Liu, Zang Li, Lifeng Cao, Zhihua Chang, Hongbo Ling, Xiang Xu
  • Patent number: 10946316
    Abstract: A filter cartridge having a double water-stop function, that comprises: a filter cartridge main body, a rotation body, and a water channel main body. The filter cartridge main body includes: an outer shell body, a filter cartridge, a filter cartridge cover, a first water outlet, a second water outlet, a first compression spring, a second compression spring, a first tight seal ring, a second tight seal ring, a first water input port, a second water input port, a first water outlet channel, and a second water outlet channel. The rotation body includes: a first water channel, a second water channel, a third water channel. The water channel main body includes: a first water input hole, a first water output hole, and a second water output hole.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: March 16, 2021
    Assignee: XIAMEN FILTERTECH INDUSTRIAL CORPORATION
    Inventors: Wei-Qiang Xu, Can-Xiang Xu
  • Patent number: 10944583
    Abstract: Various communication systems may benefit from proper priority control. For example, communication devices in a proximity services user equipment to network relay scenario may benefit from proximity services priority control for multicast traffic. A method can include receiving, at a relay user equipment, an indication of proximity services priority from a remote user equipment. The method can also include applying, by the relay user equipment, a priority based on the indication received from the remote user equipment.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: March 9, 2021
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Gyorgy Tamas Wolfner, Xiang Xu
  • Publication number: 20210043208
    Abstract: The present disclosure provides method and apparatus for generating a response in a human-machine conversation. A first sound input may be received in the conversation. A first audio attribute may be extracted from the first sound input, wherein the first audio attribute indicates a first condition of a user. A second sound input may be received in the conversation. A second audio attribute may be extracted from the second sound input, wherein the second audio attribute indicates a second condition of a user. A difference between the second audio attribute and the first audio attribute is determined, wherein the difference indicates a condition change of the user from the first condition to the second condition. A response to the second sound input is generated based at least on the condition change.
    Type: Application
    Filed: April 19, 2018
    Publication date: February 11, 2021
    Inventors: Jian Luan, Zhe Xiao, Xingyu Na, Chi Xiu, Jianzhong JU, Xiang Xu
  • Publication number: 20210034493
    Abstract: A method for user mining is provided. The method may include obtaining a plurality of first feature vectors of a plurality of positive samples and a plurality of second feature vectors of a plurality of negative samples, and generating a plurality of expanded first feature vectors based on the plurality of first feature vectors and second feature vectors and expanded second feature vectors. Each first feature vector may include first feature information that describes a plurality of features of a corresponding positive sample. Each second feature vector may include second feature information that describes a plurality of features of a corresponding negative sample. The method may further include determining one or more core features related to the plurality of positive samples among the plurality of features corresponding to the plurality of first feature vectors based on a trained binary model.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 4, 2021
    Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Yuexiang LIU, Zang LI, Lifeng CAO, Zhihua CHANG, Hongbo LING, Xiang XU
  • Publication number: 20200410222
    Abstract: A method, an apparatus, a device and a computer-readable storage medium for recognizing aerial handwriting are provided. The method may include detecting a palm region of a user in a two-dimensional grayscale image; detecting a fingertip in the two-dimensional gray-scale image based on the palm area; determining a spatial trajectory of the fingertip based on a set of two-dimensional gray-scale images, the set of two-dimensional gray-scale images including the two-dimensional gray-scale image; and recognizing handwritten content of the user based on the spatial trajectory. A two-dimensional gray-scale image is used to recognize and track the spatial trajectory of the fingertip, which may speed up aerial handwriting recognition, and has low processing performance requirements for the device, while also ensuring high accuracy.
    Type: Application
    Filed: September 15, 2020
    Publication date: December 31, 2020
    Inventors: Minqiang CHANG, Huan YE, Xiang XU, Zhe PENG, Guanbo BAO
  • Patent number: 10880705
    Abstract: Methods and apparatus, including computer program products, are provided for charging in multi-connectivity systems. In some example embodiments, there may be provided a method that includes marking, by a first base station serving a user equipment, at least one packet to include a first indication indicating that the at least one packet was received directly at the first base station serving the user equipment; and marking, by the first base station, at least one other packet to include a second indication to indicate that the at least one other packet was received via a second base station also serving the user equipment. Related systems, methods, and articles of manufacture are also described.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: December 29, 2020
    Assignee: Nokia Technologies Oy
    Inventors: Xiang Xu, Srinivasan Selvaganapathy, Tsunehiko Chiba
  • Patent number: 10835923
    Abstract: A vibration device, including a housing having accommodating space, a vibrator, a stator and an elastic member accommodated in the housing. One of the vibrator and the stator includes a magnetic circuit unit while the other includes a coil, the vibrator includes a supporting frame fixed to the elastic member and suspended in the accommodating space by the elastic member, the supporting frame includes an accommodating cavity and, a coil or a magnetic circuit unit fixed and accommodated in the accommodating cavity. One end of the elastic member is fixedly connected with the supporting frame while anther end is fixedly connected with the housing. The supporting frame includes opposite first side walls and a second side wall forming an accommodating cavity, the first side wall is fixedly connected with the elastic member. A protrusion extends from the first side wall to the elastic member fixedly connected with the protrusion.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: November 17, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Xiang Xu, Fanghua Ling, Mengxun Shi, Zhilin Chai
  • Publication number: 20200304958
    Abstract: Systems, methods, apparatuses, and computer program products for supporting local MBMS distribution are provided. One method includes receiving, by a broadcast multicast service center (BM-SC), an activate multimedia broadcast multicast service (MBMS) bearer request message to initiate an activate multimedia broadcast multicast service (MBMS) bearer request procedure. The activate MBMS bearer request message comprises at least one of information on local MBMS distribution received from a local MBMS entity (LME), or a destination area, or a destination area and an indication that preferred delivery is via local distribution. The method may further include determining whether local distribution path will be used based on at least one of information received in the activate MBMS bearer request message, or stored information about local MBMS entities.
    Type: Application
    Filed: March 31, 2016
    Publication date: September 24, 2020
    Inventors: Xiang XU, David NAVRATIL, Curt WONG
  • Patent number: 10743291
    Abstract: It is provided a method, including monitoring if a capability information on a capability of a first network for semi-persistent scheduling of a resource for a terminal is received; determining, if the capability information is received, a second allocation scheme of the resource for the terminal such that an allocation of the resource according to the second allocation scheme is not in conflict with an allocation of the resource according to a first allocation scheme derived from the received capability information; controlling an allocation device of a second network to allocate the resource to the terminal according to the second allocation scheme.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: August 11, 2020
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Vinh Van Phan, Ling Yu, Peter Rost, Xiang Xu
  • Patent number: 10700884
    Abstract: Methods, apparatuses and computer program products are disclosed for data distribution. A method comprises: sending a message, containing an indication of a target area related to first data to be distributed, from a first distribution unit to a distribution management device; receiving first information comprising at least one target address from the distribution management device in response to sending of the message, wherein the at least one target address is related to one or more second distribution units covering the target area; and sending the first data to the at least one target address when the message does not contain the first data.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: June 30, 2020
    Assignee: Nokia Technologies Oy
    Inventors: Xiang Xu, David Navratil
  • Patent number: 10689469
    Abstract: A method of reactive extrusion copolymerization of vinyl monomer consisting of (1) feeding vinyl monomer or at least one vinyl monomer together with an initiator into the first screw of twin-screw extruder, and modified resin into the subsequent screw section; (2) feeding the above monomer into the screw segment after auto-acceleration zone and feeding the initiator corresponding to the temperature of barrel and micro/nano inorganic modified fillers after the half-life period of the initiator; (3) feeding the antioxidant and anti-UV agent at the end of the polymerization, and then removing unpolymerized monomer and by-products by devolatilization of screw segment; (4) obtaining vinyl copolymer resin with a anticipated molecular weight of 5×102 to 6×105 from the reactive extrusion polymerization by controlling the temperature of different screw segments.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: June 23, 2020
    Assignees: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, SHANGHAI FUYUAN RUBBER AND PLASTIC TECHNOLOGY LTD.
    Inventors: Anna Zheng, Yong Guan, Dafu Wei, Xiang Xu, Pengfei Zhan, Weixing Liu, Han Shi
  • Publication number: 20200195784
    Abstract: This invention relates to a method for Core Network (CN) controlled traffic transmission in a dual/multiple-connectivity system. The method comprises the following steps: receiving a request containing information about a status of dual/multiple connectivity from the radio access network node; determining and providing a policy on a usage of dual/multiple connectivity to the radio access network node. This invention also relates to a system of Core Network (CN) controlled traffic transmission for a dual/multiple-connectivity, an apparatus for Core Network (CN) controlled traffic transmission in a dual/multiple-connectivity system and a non-transitory computer-readable medium with executable instructions for executing the method.
    Type: Application
    Filed: May 8, 2017
    Publication date: June 18, 2020
    Inventors: Yang SHEN, Weixing WANG, Jing HE, Xiang XU
  • Publication number: 20200121094
    Abstract: A pump and valve combination for bladder adjustment is revealed and including a fluid supply member, a valve member and a bypass line. The fluid supply member includes a head end and a tail end. A bottom cover is disposed on the tail end and the fluid supply member provides fluid to the bottom cover through the tail end. The valve member is arranged at the head end and communicating with bladders. The valve member includes a valve cap fixed on the head end, a solenoid operated directional control valve, and an air supply tube. Two ends of the bypass line are connected to the bottom cover and an air input end of the air supply tube, respectively. An input portion and an output portion of the solenoid operated directional control valve are connected to an air output end of the air supply tube and the bladder respectively.
    Type: Application
    Filed: September 17, 2019
    Publication date: April 23, 2020
    Inventors: Chih CHANG, Qing-Xiang XU
  • Patent number: 10629050
    Abstract: An accidental tumbling monitoring method, system and a terminal are disclosed. When a human wearing intelligent shoes is in an accidental tumbling state, whether or not a first inclination angle of soles of the intelligent shoes is restored to a preset inclination range within a first preset time range is determined. If the human tumbles seriously, positioning information of the human wearing the intelligent shoes is sent to a guardian, whether or not a monitoring platform receives feedback information from the guardian within a second preset time range is determined, if not, the monitoring platform sends first aid information of the human wearing the intelligent shoes to an emergency center, and therefore, the situation that the human wearing the intelligent shoes has an accident due to belated treatment is avoided.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: April 21, 2020
    Assignee: FUJIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Zhengxiang Pan, Fumin Zou, Xinhua Jiang, Junmin Wang, Xiaosheng Huang, Lvchao Liao, Zhenhua Gan, Hongtu Lai, Quan Zhu, Weidong Fang, Xiang Xu, Rong Hu, Shuling Zhang, Zibiao Chen
  • Publication number: 20200100599
    Abstract: A pump and valve combination used for bladder adjustment and composed of a valve member communicating with bladders and a fluid supply member is revealed. The valve member consists of a valve cap, at least one solenoid operated directional control valve in the valve cap, and at least one air supply tube in the valve cap. The fluid supply member with at least one air supply port is arranged under the valve member while the valve cap is fixed on one end of the fluid supply member. An air input end and an air output end of the air supply tube are connected to the air supply port and an input portion of the solenoid operated directional control valve respectively while an output portion of the solenoid operated directional control valve is connected to the bladder. No check valve is disposed in the valve member.
    Type: Application
    Filed: September 4, 2019
    Publication date: April 2, 2020
    Inventors: Chih CHANG, Qing-Xiang XU
  • Patent number: 10596593
    Abstract: A vibration device, including a shell, a vibrator and a stator accommodated in the shell, and an elastic member. One of the vibrator and the stator includes a magnetic circuit unit while the other one includes a coil. The elastic member includes a first fixing portion fixedly connected with the shell, a first elastic arm and a second elastic arm bending and extending from two opposite ends of the first fixing portion, a second fixing portion extending from an end of the first elastic arm in a direction away from a geometric center of the first fixing portion, and a third fixing portion extending from an end of the second elastic arm in a direction away from the geometric center of the first fixing portion; both the second fixing portion and the third fixing portion are fixedly connected with the vibrator.
    Type: Grant
    Filed: July 16, 2017
    Date of Patent: March 24, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Jinquan Huang, Xiang Xu, Fanghua Fanghua Ling, Wenli Wang
  • Patent number: 10596596
    Abstract: A vibration device, including a housing having accommodating space, a vibrator, a stator and an elastic member, the elastic member is configured to suspend the vibrator in the accommodating space; the vibrator, the stator and the elastic member are accommodated in the housing, the elastic member includes two elastic plate components disposed at two opposite sides of the vibrator, each elastic plate component includes at least two V-shaped elastic plates parallelly arranged perpendicular to vibrating direction, each elastic plate component includes a first fixing portion fixedly connected with the housing, a second fixing portion fixedly connected with the vibrator, and a V-shaped elastic arm connecting the first fixing portion with the second fixing portion, the first and second fixing portions are opposite to and spaced from each other to form an opening end, and the opening ends of two V-shaped elastic plates faces away from each other.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: March 24, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Fanghua Ling, Wenli Wang, Xiang Xu, Shuming Wang
  • Patent number: D881473
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 14, 2020
    Inventor: Xiang Xu