Patents by Inventor Jack Gunzy

Jack Gunzy 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).

  • Electroluminescent lamp driver
    Patent number: 4449075
    Abstract: An electroluminescent lamp driver circuit is disclosed, which includes a timer circuit acting as a retriggerable astable multivibrator interfacing with transistor-transistor logic (TTL) circuitry. The timer circuit sets the operating frequency of the entire lamp driver circuit while the TTL circuitry includes a transistor for controlling the operating voltage of the TTL circuit and two additional transistors for providing the switching for periodically exciting the phosphor in the lamp to luminesce.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: May 15, 1984
    Assignee: Timex Corporation
    Inventors: Anthony D'Onofrio, Jack Gunzy