Patents Examined by Duglas W. Olms
  • Serial array time-slot interchangers
    Patent number: 5115428
    Abstract: A series array architecture using multiple photonic stages perform universal permutation of time-slots on a time-multiplexed photonic signal using far fewer switches than the currently known architectures. The array architectures include Serial switch arrays with feed-forward delay, Serial switch arrays with feedback delay using shift-base of 2, and Serial switch arrays with feedback delay using shift-base of 3. The array has multiple stages where each can be described as the temporal equivalent of spatial interconnection networks.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: May 19, 1992
    Assignee: The University of Colorado Foundation, Inc.
    Inventors: Srinivasan V. Ramanan, Harry F. Jordan
  • Broadband merged switch
    Patent number: 5081706
    Abstract: Monolithic broadband semiconductor single-pole, double-throw switches are merged into distributed monolithic amplifiers and decrease the total semiconductor chip area occupied by the devices.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: January 14, 1992
    Assignee: Texas Instruments Incorporated
    Inventor: Bumman Kim