Projecting optical device

Details Projecting optical device Projecting optical device

1996-05-23

1997-11-04

Dowling, William

Optics: image projectors

Plural

353 82, G03B 2114

Patent

active

056831617

ABSTRACT:
A projecting optical device which simultaneously projects one object onto two or more different screens has a first screen, a second screen, a first projecting optical system which projects the object onto the first screen, and a second projecting optical system which projects the object onto the second screen and does not share an optical element with the first projecting optical system. A first base line connecting the center of the object to the center of the image projected on the first screen by the first optical system and a second base line connecting the center of the object to the center of the image projected on the second screen by the second optical system are not parallel to each other.

REFERENCES:
patent: 3215032 (1965-11-01), DeLang et al.
patent: 5192961 (1993-03-01), Yoshida et al.
patent: 5293188 (1994-03-01), Yoshida et al.
patent: 5477280 (1995-12-01), Ko
patent: 5517264 (1996-05-01), Sutton

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