Patents by Inventor Seul Gi Lim

Seul Gi Lim 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 closed user group service in mobile communication network
    Patent number: 6097949
    Abstract: A method for providing a closed user group service in mobile communication network. The mobile stations belonging to a certain CUG group must save the correspondence message identifier(ID) before start of service. For assigning or cancelling a message identifier to a mobile station, teleservice identifier(TI) message in a point-to-point short message is used. The mobile stations receive the cell broadcast message and compares the message ID of the received message with the saved message ID in their storage device. If the message ID of the received message is equal to the saved message ID, the mobile stations belonging to the certain group display the message information on their own display panel. If not, the mobile stations do not display.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: August 1, 2000
    Assignee: SK Telecom Co., Ltd.
    Inventors: Hae Kwan Jung, Seul Gi Lim, Han Sik Jang, Jae Sung Lim