Patents by Inventor Steinar A. Larsen

Steinar A. Larsen 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).

  • Lamp housing for motion picture film projector
    Patent number: 5054909
    Abstract: A lamp housing for a motion picture projector which provides for moving the projection lamp forward and backward, up and down, and side to side, for changing the position of the lamp with respect to the focusing reflector and the film aperture. A control for automatically setting the lamp at two preselected focusing locations. Manual adjustment for moving the lamp in all three directions and remote electrical control means for moving the lamp in all three directions.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: October 8, 1991
    Assignee: Christie Electric Corp.
    Inventor: Steinar A. Larsen