Compact folded mirror camera and projector

Details Compact folded mirror camera and projector Compact folded mirror camera and projector

1975-10-20

1976-11-30

Hartary, Joseph W.

Optics: image projectors

Plural projection paths with single light source

353 27R, 353 30, 353 38, 354120, G03B 1754

Patent

active

039952886

ABSTRACT:
An apparatus for use as both a camera and a viewer. As a camera, light from an object is broken up by a planar array of N lenses into N identical images which fall onto an opaque scene mask. A small aperture lies within each image, but at a different relative zone so that the apertures are non-homologous with respect to the image. The scene mask carries a lens projection adjacent each aperture. A field stop plate is provided with openings which are aligned with those of the scene mask. When used as a camera, light passes through the objective lenses and the two sets of aligned apertures and strikes virgin photographic emulsion. The emulsion is indexed and the process repeated for the next object. After emulsion development, the lensfiche is sequentially illuminated from the rear and each object (macroscene) sequentially reconstructed by projection on a viewing screen. For projection, the developed emulsion is illuminated after turning it about a vertical axis 180.degree., and the scene mask moved laterally in its own plane so that the lenses carried by the scene mask are now in the several optical paths and the scene mask openings play no role.

REFERENCES:
patent: 3387547 (1968-06-01), Houghton
patent: 3864034 (1975-02-01), Yevick
patent: 3865485 (1975-02-01), Yevick
patent: 3950769 (1976-04-01), Yevick

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