Apparatus for superimposing a plurality of images

Details Apparatus for superimposing a plurality of images Apparatus for superimposing a plurality of images

1974-02-26

1976-03-16

Aegerter, Richard E.

Optics: image projectors

Composite projected image

Multicolor picture

353 37, 353 94, G03B 2110

Patent

active

039443515

ABSTRACT:
An apparatus for producing a multiplicity of projection light images in which the ideal planes of said images are adapted to be parallel to the screen by permitting a projection lens, a photographic transparency and a light source filament constituting part of one of a plurality of projection systems to be oriented with respect to a reference axis perpendicularly intersecting the screen in such a manner that the optical axis of the projection lens is parallel thereto, and the transparency and filament are perpendicular thereto. In this manner uniform distribution of illuminance of projection light on the screen is effected throughout the entire screen area.

REFERENCES:
patent: 2598573 (1952-05-01), Lutes
patent: 3036496 (1962-05-01), Frederick et al.
patent: 3280698 (1966-10-01), Councilman et al.

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