Patents by Inventor Bernard W. Fecht

Bernard W. Fecht 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).

  • Patent number: 5327489
    Abstract: A network monitor and associated control system is provided to monitor a toll network for customer signaling. A multi-tone signal processor and associated control is provided such that when signaling is detected, such signaling is validated against a provisioned list. A valid signal is reported to a central control of the network switch, which takes action in response to the signal.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: July 5, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Thomas W. Anderson, Elliott Baral, Ronald S. Byrd, Bernard W. Fecht, David S. Isenberg, Larry W. Kirsch, Frederick W. Korty, Ronald B. Martin, Dario L. Parola