Apparatus for three-dimensional viewing

Details Apparatus for three-dimensional viewing Apparatus for three-dimensional viewing

1987-05-26

1989-02-28

Corbin, John K.

350132, G02B 2722

Patent

active

048079650

ABSTRACT:
A system for presenting stereoscopic images to a viewer includes a screen for presenting first and second images and a plurality of louvers for isolating the images for viewers located back from the screen along predetermined sight lines. In a first embodiment, a pair of stereoscopic images are presented simultaneously on co-planar screens, and fixed isolation louvers isolate the images for a viewer positioned along a center line from the viewing enclosure. In a second embodiment, the stereoscopic images are presented sequentially on a common screen, and movable louvers are provided for isolating the images first from the right eye and then from the left eye. In both cases, viewers may experience three-dimensional images without having to wear glasses or goggles and without having to come up immediately to the viewing device.

REFERENCES:
patent: 2639653 (1953-05-01), Fischer
patent: 2974562 (1961-03-01), Rosenbloom
patent: 3101644 (1963-08-01), Lopez-Henriquez
patent: 3334179 (1967-08-01), Winnek
patent: 3439972 (1969-04-01), Ratliff, Jr.
patent: 3495891 (1970-02-01), Lee
patent: 3731606 (1973-05-01), Geoffray
patent: 4281341 (1981-07-01), Byatt
patent: 4469414 (1984-09-01), Radl

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