Patents by Inventor Douglas K. Franklin

Douglas K. Franklin 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).

  • Color mixing apparatus for theatrical ellipsoidal spotlights
    Patent number: 6796683
    Abstract: A color changing apparatus adapted to be installed between the reflector assembly and front barrel assembly of a theatrical ellipsoidal spotlight. The color changing apparatus includes a housing for connecting to the spotlight components. Contained within the housing are a plurality of color filters, preferably dichroic color filters, serially arranged perpendicular to the light path. The color filters may include constant or variable density patterns of any desirable color and are transported into the light path to effect a change in lighting conditions. The color changing apparatus is also preferably equipped with a control system enabling remote actuation and control of the system.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: September 28, 2004
    Assignee: High End Systems, Inc.
    Inventors: Michael W. Wood, Thomas Shaw Cavness, Glenn Lee Fields, Douglas K. Franklin, Mary Alice D. Goewey, Lynwood J. Norrgard, Jesse Dale Trevino
  • Color mixing apparatus for theatrical ellipsoidal spotlights
    Publication number: 20030206414
    Abstract: A color changing apparatus adapted to be installed between the reflector assembly and front barrel assembly of a theatrical ellipsoidal spotlight. The color changing apparatus includes a housing for connecting to the spotlight components. Contained within the housing are a plurality of color filters, preferably dichroic color filters, serially arranged perpendicular to the light path. The color filters may include constant or variable density patterns of any desirable color and are transported into the light path to effect a change in lighting conditions. The color changing apparatus is also preferably equipped with a control system enabling remote actuation and control of the system.
    Type: Application
    Filed: May 9, 2003
    Publication date: November 6, 2003
    Inventors: Michael W. Wood, Thomas Shaw Cavness, Glenn Lee Fields, Douglas K. Franklin, Mary Alice D. Goewey, Lynwood J. Norrgard, Jesse Dale Trevino