Patents by Inventor Duck-Young Seo

Duck-Young Seo 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).

  • Apparatus for and method of processing low-speed circuit data and high-speed packet data
    Patent number: 6885668
    Abstract: Disclosed is an apparatus and a method capable of processing low-speed circuit data lower than 64 kbps and high-speed packet data higher than 64 kbps in which a high-speed data network is constructed by converting an LCIN (local CDMA (code division multiple access) interconnection network) for supplying a communication path of packet data among sub-systems in a BSC (base station controller) of CDMA system to an ATM (asynchronous transfer mode) for processing high-speed data, installing a TSB (transcoder selector bank) or an SDU (selector distribution unit) for processing high-speed packet data higher than 64 kbps in the BSC, and linking an ATM switch to an MSC (mobile switching center) to provide a high-speed data service with respect to other network.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: April 26, 2005
    Assignee: UTStarcom, Inc.
    Inventors: Ho-Jin Lee, Chae-Moon Lee, Duck-Young Seo, Jin-Hyung Yang