Patents by Inventor Archie T. Sherbert, Jr.

Archie T. Sherbert, Jr. 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).

  • Light dimming system for grounded-side control of discrete indicator lamps
    Patent number: 4358714
    Abstract: A light dimming system for simultaneously controlling the brightness of a plurality of two-terminal indicating lights, each having one terminal connected to receive a constant voltage relative to ground. The system includes a single dimmer control for producing an arbitrarily variable control voltage, and a like plurality of interface circuits, connected between the dimmer control and the other terminals of the indicating lights, respectively, for varying the voltage at the other terminals of the indicating lights proportional to the control voltage supplied to the interface circuits from the dimmer control.
    Type: Grant
    Filed: December 5, 1980
    Date of Patent: November 9, 1982
    Assignee: Boeing Vertol Company
    Inventors: Clark W. Sechler, Archie T. Sherbert, Jr.