Patents by Inventor Kaitian TAN

Kaitian TAN 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).

  • Method, apparatus and system for updating geomagnetic information
    Patent number: 11194781
    Abstract: Embodiments of present disclosure disclose a method for updating geomagnetic information performed at a computing device, which belong to the field of electronic technologies. The method includes: receiving target geomagnetic information and target location assistance information that are transmitted by a terminal during positioning; determining a target geographical location corresponding to the target location assistance information in a case that geomagnetic information corresponding to a current geographical location of the terminal is invalid; and updating geomagnetic information corresponding to the target geographical location according to the target geomagnetic information in a prestored correspondence between a geographical location and geomagnetic information. According to the embodiments of the present disclosure, efficiency of updating geomagnetic information can be improved.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: December 7, 2021
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Kaitian Tan, Yi Zhu, Chang Liu
  • METHOD, APPARATUS AND SYSTEM FOR UPDATING GEOMAGNETIC INFORMATION
    Publication number: 20200293508
    Abstract: Embodiments of present disclosure disclose a method for updating geomagnetic information performed at a computing device, which belong to the field of electronic technologies. The method includes: receiving target geomagnetic information and target location assistance information that are transmitted by a terminal during positioning; determining a target geographical location corresponding to the target location assistance information in a case that geomagnetic information corresponding to a current geographical location of the terminal is invalid; and updating geomagnetic information corresponding to the target geographical location according to the target geomagnetic information in a prestored correspondence between a geographical location and geomagnetic information. According to the embodiments of the present disclosure, efficiency of updating geomagnetic information can be improved.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 17, 2020
    Inventors: Kaitian TAN, Yi ZHU, Chang LIU