Patents by Inventor Robert Gatward

Robert Gatward 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).

  • Time division multiplexed transport emulation using symbol encoded physical layer
    Publication number: 20060067366
    Abstract: Embodiments of methods, apparatuses, and systems to transport Time Division Multiplexed (TDM) utilizing symbol encoded physical layer are disclosed. The embodiments of the invention provide a low cost solution to exchange data between TDM data elements while retaining guaranteed performance. A media access control layer generates framed data and the system guarantees delivery of the framed data to the designated destination within a fixed interval period of time.
    Type: Application
    Filed: September 29, 2004
    Publication date: March 30, 2006
    Inventors: Benjamin Kerr, Peter Rowe, Robert Gatward
  • Telephone exchange
    Patent number: 4809260
    Abstract: An automatic telephone exchange, such as a PABX, includes a number of group control units (GCU1 to GCU4) each of which is a simplified version of the system of U.S. Pat. No. 4581733. These are connected via respective PCM highways to a central switch, which is an electronic time space switch, and a central controller. The central controller does the major part of the call setting and control, all calls being set up via the central switch.
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: February 28, 1989
    Assignee: STC PLC
    Inventors: David M. Davidson, John R. Bungard, Robert Gatward