Patents by Inventor Gordon J. Purtell

Gordon J. Purtell 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).

  • Multichannel telephonic switching network with different signaling formats and cross connect/PBX treatment selectable for each channel
    Patent number: 5268903
    Abstract: A telephonic switching network (20) having a plurality of multichannel incoming switching circuits, a central control processor (22) for controlling the incoming switching circuits (24, 36) to switch a selected plurality of incoming time division multiplex channels of PCM voice data on incoming lines (42) of a plurality of multichannel receiving circuits (36) to a plurality of selected outgoing channels on ongoing lines (58) of a plurality of multichannel outgoing switching circuits in accordance with messages representative of analysis of signaling data embedded in the PCM voice data by a plurality of relatively lower order processors (78) of said plurality of incoming multichannel switching circuits which are transmitted directly to the central control processor (22).
    Type: Grant
    Filed: October 2, 1991
    Date of Patent: December 7, 1993
    Assignee: Rockwell International Corporation
    Inventors: Barry W. Jones, Gordon J. Purtell