Xenon optical system for cinematograph projection

Details Xenon optical system for cinematograph projection Xenon optical system for cinematograph projection

1989-07-18

1990-04-10

Hayes, Monroe H.

Optics: motion pictures

Projection light sources

352 57, 352239, G03B 2100, G03B 2120

Patent

active

049164856

ABSTRACT:
A film projector has side-by-side lamphouses each containing a xenon light source, light beam reflectors and a condensor lens for reshaping the reflected circular light beams into horizontal ellipsoidal light beams flattened by masking for the projection of stereo images by a pair of projection lenses having their optical axes coincident with diagonally related images of a stereoscopic image pair. Non-stereo images may likewise be selectively projected.

REFERENCES:
patent: 3551036 (1970-12-01), Bielusici
patent: 4372656 (1983-02-01), Marks et al.
patent: 4560260 (1985-12-01), Trumbull

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