Patents by Inventor Charles B. Dillon

Charles B. Dillon 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 for communicating with digital and analog devices via a single digital interface
    Patent number: 5483530
    Abstract: The invention is an ISDN terminal equipment which will maintain connectivity with existing analog modems by setting up a voice-grade connection to existing analog modems and using the power of a digital signal processor DSP to generate the digital equivalent of the analog modem signals for transmission on an ISDN "B" channel.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: January 9, 1996
    Assignee: International Business Machines Corporation
    Inventors: Gordon T. Davis, Charles B. Dillon, Laurence V. Marks