Patents by Inventor Helmut Graf von Zedlitz und Trutzschler

Helmut Graf von Zedlitz und Trutzschler 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).

  • Dictating machine arranged like a telephone handset
    Patent number: 4843498
    Abstract: A dictation machine having the physical configuration of a telephone handset. A mouth piece and an ear piece are arranged at opposite ends of a elongated housing having a handgrip between the ends. A tape deck is arranged in the handgrip, preferably in a flat face facing in the same direction as the mouth piece and ear piece. A start/stop key is arranged on a side of the handgrip, and other control keys are arranged in transition areas between the deck and the mouth piece or ear piece, so that the keys can be operated by the fingers of a hand which is holding the handset.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: June 27, 1989
    Assignee: U.S. Philips Corporation
    Inventor: Helmut Graf von Zedlitz und Trutzschler