1977-04-27
1979-10-02
Sikes, William L.
350354, G01D 1534
Patent
active
041696611
ABSTRACT:
A thermal-optical converter which comprises an aqueous solution containing a non-ionic compound with a functional group, a closed vessel for containing the solution and a transparent window fitted to at least one part of the closed vessel which allows the solution to be visible. Because the aqueous solution is transparent at low temperatures and opaque at elevated temperatures, the thermal-optical converter can effect reversible optical changes in accordance with changes in the temperature of the solution.
REFERENCES:
patent: 3266370 (1966-08-01), Marks et al.
Maeno Jun
Yamada Tsutomu
Ishii Hideki
Sikes William L.
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