Projector

Details Projector Projector

1994-02-15

1995-01-03

Cuchlinski, Jr., William A.

Optics: image projectors

Miscellaneous

353 97, G03B 2114

Patent

active

053790839

ABSTRACT:
A projector having a light valve which operates by alternatively transmitting incident light or scattering such light has adjustable illumination and projection apertures to maximize contrast ratio and brightness according to ambient light conditions.

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Dewey, "Projection Systems for Light Valves," IEEE Transactions on Electron Devices, vol. ED-24, No. 7, pp. 918-930 (Jul. 1977) Derwent Abstract No. 93-071705/09.

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