Electro-optic light shutter

Details Electro-optic light shutter Electro-optic light shutter

1984-01-04

1986-11-11

Punter, William H.

350393, G02F 103

Patent

active

046219030

ABSTRACT:
An electro-optic light shutter is disclosed which includes a ceramic body having electro-optic effect and a pair of electrodes applying A.C. voltage to the ceramic body to cause electro-optic effect, wherein the ceramic body is formed of PLZT ceramics having memory effect at a room temperature and loses the memory effect at an elevated operating temperature caused by application of A.C. voltage to the ceramic body.

REFERENCES:
patent: 3623795 (1971-11-01), Taylor et al.
patent: 3666666 (1972-05-01), Haertling
patent: 4057324 (1977-11-01), Kawashima et al.
Ames, "Light Switch", IBM Tech. Disclosure Bulletin, Aug. 1960, vol. 3, No. 3, p. 62.

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