Patents by Inventor Chong K. Kim

Chong K. Kim 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).

  • Multicast packet switching method
    Patent number: 5005167
    Abstract: An optical switch for use in a fiber optic telecommunications network is disclosed. An important feature of the inventive switch is its multicast capability. The inventive switch utilizes two internal networks, an optical network for transmission and an electronic network for control. Illustratively, the transmission network is an optical star network which links the input ports and output ports of the invention switch. The electronic control network is in the form of a track of ring which surrounds the optical star and sequentially connects the input and output ports.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: April 2, 1991
    Assignee: Bell Communications Research, Inc.
    Inventors: Edward Arthurs, Matthew S. Goodman, Chong K. Kim, Tony T. Lee
  • Broadband optical multicast switch
    Patent number: 4896934
    Abstract: An optical switch for use in a fiber optic telecommunications network is disclosed. An important feature of the inventive switch is its multicast capability. The inventive switch utilizes two internal networks, an optical network for transmission and an electronic network for control. Illustratively, the transmission network is an optical star network which links the input ports and output ports of the inventive switch. The electronic control network is in the form of a track or ring which surrounds the optical star and sequentially connects the input and output ports.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: January 30, 1990
    Assignee: Bell Communications Research, Inc.
    Inventors: Edward Arthurs, Matthew S. Goodman, Chong K. Kim, Tony T. Lee