Lamp housing for motion picture film projector

Details Lamp housing for motion picture film projector Lamp housing for motion picture film projector

1990-11-26

1991-10-08

Hayes, Monroe H.

Optics: motion pictures

Projection light sources

362372, 362419, G03B 2100

Patent

active

050549090

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.

REFERENCES:
patent: 1000964 (1911-08-01), Crosier
patent: 1270269 (1918-06-01), Davis

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