Patents by Inventor John V. Gac

John V. Gac 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).

  • Programmable servo motor speed control apparatus
    Patent number: 4570110
    Abstract: Servo control circuit for a DC motor having programmable timers to control the motor energizing period independently for each unit of shaft displacement. The circuit includes timer-gated latches to signal below-speed and above speed conditions and override the timer control period to reestablish the desired velocity.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: February 11, 1986
    Assignee: International Business Machines Corporation
    Inventors: Robert D. Bloom, John V. Gac, Eugene T. Kozol, deceased