Liquid crystal modulator for the transmission of information, in

Details Liquid crystal modulator for the transmission of information, in Liquid crystal modulator for the transmission of information, in

1985-12-20

1987-10-13

Miller, Stanley D.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350335, 350346, 455618, 455619, 370 3, G02F 113, G02F 100, H04B 900

Patent

active

046994688

ABSTRACT:
A liquid crystal light modulator is constructed for the transmission of sch signals modulated onto a light carrier passing through gaseous, liquid, and solid media such as air, water, or glass. A large surface area modulation of the light is accomplished in the visible and infrared range over narrow, however adjustable, wave length ranges or widths. Several circuit arrangements for such modulators are disclosed and their function described.

REFERENCES:
patent: 4131791 (1978-12-01), Lego, Jr.
patent: 4278328 (1981-07-01), Mukoh et al.
patent: 4385806 (1983-05-01), Fergason
patent: 4436376 (1984-03-01), Fergason
patent: 4540243 (1985-09-01), Fergason

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