1991-02-15
1992-09-08
Evans, Arthur G.
G06K 1500
Patent
active
051464152
ABSTRACT:
A self-aligned system for producing 3-D stereoscopic graphic hard copy output from computers is described. The left and right stereo images from the computer are spatially modulated, spatially multiplexed and then printed on a special paper. This special paper consists of a micro-polarizer array sheet is coated with a photosensitive emulsion and is laminated to a polarization preserving reflective sheet. The spatially multiplexed stereo pair when printed on the micropolarizer and viewed with appropriately polarized glasses, 3-D stereo images will result with full depth perception realized. The micropolarizer sheet serves as a spatial demultiplexer to separate the left and right images and codes them by means of two polarization states. The polarized spectacles serve as decoders and present to the left eye the left image and to the right eye the right image. This invention is an extension of earlier embodiments, and adds the self-aligned feature. It eliminates the previously required mechanisms to align the .mu.Pol to the printed SML. The improved printer is much simplified and less costly to produce.
REFERENCES:
patent: 2623433 (1952-12-01), Stipek
patent: 3659939 (1972-05-01), Hobrough
patent: 3829838 (1974-08-01), Lewis et al.
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