Optics: image projectors – Plural projection paths with single light source
Patent
1975-11-10
1978-03-14
Moses, Richard L.
Optics: image projectors
Plural projection paths with single light source
350127, 350130, 353 7, 353 10, G03B 2160
Patent
active
040788547
ABSTRACT:
A stereo image projection system in which one or a plurality of original pictures are projected onto a plate-shaped optical element. The element changes an incident beam to a beam of prescribed shape with a diffusion angle of more than 10.degree. in one direction and with a diffusion angle of less than 20.degree. in another direction perpendicular to the one direction.
REFERENCES:
patent: 3688045 (1972-08-01), Ohkoshi
Canon Kabushiki Kaisha
Moses Richard L.
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