Optical device

Details Optical device Optical device

1987-11-16

1991-04-16

LaRoche, Eugene R.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

350267, 350362, 350354, 340788, G02F 101, G02B 523, G09G 334

Patent

active

050077147

ABSTRACT:
An optical device is provided which comprises a liquid layer containing a liquid-absorbable and releasable polymer that absorbs and releases a liquid under thermal action.

REFERENCES:
patent: 3701590 (1972-10-01), Zeltzer
patent: 3752567 (1973-08-01), Broadhurst
patent: 3831165 (1974-08-01), Chivian et al.
patent: 3877797 (1975-04-01), Thornton, Jr.
patent: 4169661 (1979-10-01), Yamada et al.
patent: 4307942 (1981-12-01), Chahroudi
patent: 4536061 (1985-08-01), Nishimura
patent: 4772506 (1988-09-01), Siol et al.
Chemical Abstracts, vol. 99, 213730u, 1983.

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