Patents by Inventor Mark W. Spivey

Mark W. Spivey 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).

  • Universal light beam manipulator
    Patent number: 5089946
    Abstract: A device for manipulating any lighting fixture's light beam by means of a servo motor (82), linkage (80), a universal joint (90), and a reflecting means (76). The main plate (54) can be positioned along the rods (38) to intercept the focal point of the lighting fixture's light beam. The frame plate (36) can be interchanged with other size frame plates to allow different size lighting fixtures to use the same manipulation device. The invention can be controlled by any lighting console or computer with a accessable control signal. The unit can be controlled by either a wired or wireless signal.
    Type: Grant
    Filed: July 10, 1991
    Date of Patent: February 18, 1992
    Inventors: Thomas A. Mayer, Mark W. Spivey