Optics: image projectors – Relief illusion
Patent
1982-02-12
1985-04-09
Haroian, Harry N.
Optics: image projectors
Relief illusion
353 38, 353 81, G03B 2106
Patent
active
045098379
ABSTRACT:
An optical display device for creating the of an object out in space in front of the viewer. The device uses an illuminated object, with a transparent medium in the form of a prism or fluid placed between a beam splitter and a matrix of retroreflectors for deflecting the light rays from the illuminated object back toward the object.
REFERENCES:
patent: 3014403 (1961-12-01), Alofs
patent: 3090280 (1963-05-01), Winter
patent: 3567319 (1971-03-01), Gaston
patent: 3692399 (1972-09-01), Stewart
patent: 3744893 (1973-07-01), Chandler
patent: 3820885 (1974-06-01), Miller
patent: 4261657 (1981-04-01), Reiback
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