Patents by Inventor Sul Gi Yim

Sul Gi Yim 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 for providing cell location service
    Patent number: 6259923
    Abstract: The present invention provides a method for providing cell location service in digital mobile communication network, without additional device for cell location service. The cell location center requests that a mobile station provide current location of the mobile station. Then, the mobile station transfers the base station identification currently communicating with the mobile station. The cell location center finds the location of the mobile station using the base station identification which is uniquely defined in the mobile communication network.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: July 10, 2001
    Assignee: SK Telecom Co., Ltd.
    Inventors: Jae Sung Lim, Han Sik Jang, Sul Gi Yim, Hae Kwan Jung