Motion picture film for three dimensional projection

Details Motion picture film for three dimensional projection Motion picture film for three dimensional projection

1974-11-18

1977-04-12

Hayes, Monroe H.

Optics: motion pictures

Stereoscopic cameras and/or projectors

350132, G03B 3500

Patent

active

040171663

ABSTRACT:
Stereo pairs which have printed on a single film strip are directed and focused upon a screen by an attachment for a standard motion picture projector. The images are overlapped and polarized at right angles to the other upon the screen by an optical device having abutting elements. The stereo pairs on the film are separated by an opaque band to define the edges of the projected image and mask element abutment. Indicia marks are provided on the film to enable the positioning of the right and left images on the film in the gate to avoid pseudo stereo projection. A film format for stereo pairs uses a dark bar centered at the aperture on the film or gate.

REFERENCES:
patent: 2329294 (1943-09-01), Ramsdell
patent: 2843006 (1958-07-01), Tyler
patent: 3143032 (1964-08-01), Cednas
patent: 3189915 (1965-06-01), Tondreau
patent: 3339998 (1967-09-01), Hoch
patent: 3363966 (1968-01-01), Hoch
patent: 3432228 (1969-03-01), Hellmund
patent: 3533688 (1970-10-01), Painton

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