Projection apparatus for stereoscopic pictures

Details Projection apparatus for stereoscopic pictures Projection apparatus for stereoscopic pictures

1976-06-21

1978-07-18

Aegerter, Richard E.

Optics: image projectors

Stereoscopic

350132, 354115, 355 22, G03B 2100

Patent

active

041012100

ABSTRACT:
In the illustrative embodiments of the invention disclosed, autostereoscopic pictures are produced by projecting a series of two-dimensional views of an object field onto a lenticular screen. Substantially uninterrupted and non-overlapping condensed, or lineiform, images of the two-dimensional views are formed beneath each lenticule of the lenticular screen by setting the number M of these images in the image band beneath each lenticule, and hence the total number of two-dimensional views projected, equal to w/m, where w is the lenticule width and m is the width of each condensed image. In order to project the required number M of two-dimensional views while avoiding gaps between adjacent condensed images, the projection lenses and the associated film frames are positioned along a plurality of adjacent, parallel, straight lines in a manner such that the apertures of the lenses are effectively in edge-to-edge contiguous relation.

REFERENCES:
patent: 2063985 (1936-12-01), Coffey
patent: 2434385 (1948-01-01), Bonnet
patent: 3014403 (1961-12-01), Alofs
patent: 3674339 (1972-07-01), Sayanagi
patent: 3688045 (1972-08-01), Ohkoshi
patent: 3712724 (1973-01-01), Courtney-Pratt
patent: 3895867 (1975-07-01), Lo et al.
patent: 3953869 (1976-04-01), Lo et al.
patent: 3978500 (1976-08-01), Brachet

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