Patents by Inventor Gerhard Paul Heinrich Deffner

Gerhard Paul Heinrich Deffner 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).

  • Communication system and methods for enhanced information transfer
    Patent number: 6192255
    Abstract: A communication system (20) is provided with multiple purpose personal communication devices (50 and 150). Each communication device (50 and 150) includes a touch-sensitive visual display (60 and 160) to communicate text and graphic information to and from the user and for operating the communication device (50 and 150). Voice activation (78) and voice control capabilities (76) are included within communication devices (50 and 150) to perform the same functions as the touch-sensitive visual display (60 and 160). The communication device includes a built-in modem (82), audio input and output (52 and 53), telephone jacks (86), and wireless communication (90). A plurality of application modules (100) are used with personal communication devices (50 and 150) to perform a wide variety of communication functions such as information retrievable, on-line data base services, electronic and voice mail.
    Type: Grant
    Filed: December 15, 1992
    Date of Patent: February 20, 2001
    Assignee: Texas Instruments Incorporated
    Inventors: Russell F. Lewis, Mark B. Shadowens, Gerhard Paul Heinrich Deffner, Gerald G. Birdwell