Optics: image projectors – Plural projection paths with single light source
Patent
1989-06-02
1990-12-25
Healy, Brian
Optics: image projectors
Plural projection paths with single light source
350 9611, 350 9613, 353 39, 353 82, 353122, 370 1, 370 4, 370 601, 340789, 340802, G02B 610, G02B 2136, H04J 1400, G09G 300
Patent
active
049797891
ABSTRACT:
A scene projector displays an image as M by N array of pixels. The scene projector includes a plurality of optical guided wave modulators. The modulators each have an optical input, and optical output and an electrical input. The optical output of each of the modulators forms a corresponding one of the pixels. The optical input of each of the modulators is adapted to be uniformly illuminated. The scene projector further applies a selected voltage to the electrical input of each of the modulators. This voltage is selected commensurately with a predetermined intensity of output optical energy at the corresponding pixel.
REFERENCES:
patent: 4601537 (1986-07-01), Saccocio
patent: 4798437 (1989-01-01), Rediker et al.
patent: 4840447 (1989-06-01), Kataoka
patent: 4866698 (1989-09-01), Huggins et al.
patent: 4897671 (1990-01-01), Mahapatra et al.
Aura Systems, Inc.
Healy Brian
LandOfFree
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