Patents by Inventor David S. Isenberg

David S. Isenberg 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).

  • System and method of capturing encoded data transmitted over a communications network in a video system
    Patent number: 5570295
    Abstract: A video system that captures telephone number data encoded into video signals transmitted over a video network to at least one display device is disclosed. Video signals are received that contain an escape sequence demarcating telephone number data. The system identifies the escape sequence, and captures the telephone number data. Upon command, dialing data corresponding to the telephone number data are transmitted over a telephone network to initiate a telephone call to the desired party.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: October 29, 1996
    Assignee: Lucent Technologies Inc.
    Inventors: David S. Isenberg, Mark L. Tuomenoksa
  • Method and apparatus for monitoring a network for customer signaling during the term of a call
    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