Patents Assigned to National Center for Manufacturing Sciences, Inc.
  • Asynchronous bidirectional node switch
    Patent number: 5422493
    Abstract: A node switch useful for resource sharing within a network environment incorporating computer control uses opto-electronic isolators and switching devices to route bidirectional communications between a common port and at least two I/O ports on an asynchronous basis. Separate power supplies are used for the ports and the internal circuitry, thus providing signal matching between disparate pieces of equipment. Multiple node switches may be cascaded or "daisy-chained" to provide for flexible switching, depending upon the application.
    Type: Grant
    Filed: August 9, 1993
    Date of Patent: June 6, 1995
    Assignee: National Center for Manufacturing Sciences, Inc.
    Inventors: Ami Kestenbaum, Richard S. Armington