Patents by Inventor Chuntao (Charles) Zhang

Chuntao (Charles) Zhang 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 ENABLING INDOOR LOCAL POSITIONING AND MOVEMENT TRACKING IN WIFI CAPABLE MOBILE TERMINALS
    Publication number: 20080161011
    Abstract: A method, apparatus, and electronic device for determining a location of a mobile device are disclosed. A receiver may asynchronously receive an access signal from at least three access points of a wireless local area network with the mobile device. A processor may measure an access signal strength for the access signal for each access point. A transmitter may transmit the access signal strengths to a location server to determine the location of the mobile device.
    Type: Application
    Filed: December 29, 2006
    Publication date: July 3, 2008
    Applicant: Motorola, Inc.
    Inventors: Thomas S. Babin, Mohammad S. Bani Hani, Tom Mathew, Guoshu Song, Yinyan Wang, Xiaohua Wu, Chuntao (Charles) Zhang