Stereoscopic optical instruments utilizing liquid crystal

Details Stereoscopic optical instruments utilizing liquid crystal Stereoscopic optical instruments utilizing liquid crystal

1986-11-17

1988-11-01

Heyman, John S.

350331R, 350347E, 350347R, G02F 113

Patent

active

047814403

ABSTRACT:
A stereoscopic optical instrument employing liquid crystal lenses such as a pair of spectacles and stereoscopic optical devices has a construction in which left and right liquid crystal lenses are incorporated thereinto such that liquid crystal molecular directors within the lenses are in mirror symmetry with respect to a plane of symmetry which passes through the middle point of the center line connecting the centers of both the lenses and whose normal is the center line.

REFERENCES:
patent: 2789462 (1953-07-01), Forgrave
patent: 4037929 (1977-07-01), Bricot et al.
patent: 4152846 (1979-05-01), Witt
patent: 4190330 (1980-02-01), Berreman
patent: 4300818 (1981-11-01), Schachar
patent: 4462661 (1984-07-01), Witt
patent: 4572616 (1986-02-01), Kowel et al.
Kowel et al. "A Liquid Crystal Adaptive Lens", The U.S. Army Night Vision and Electro Optics Laboratory, Virginia, 1981.

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