Patent
1983-09-22
1986-08-05
Corbin, John K.
350355, 350279, 350338, G02F 113, G02B 508
Patent
active
046039465
ABSTRACT:
A reflection controllable view mirror device having an electro-optical assembly which changes its optical transmittance to vary quantity of light passing therethrough in accordance with the magnitude of the applied voltage, a control circuit to control the transmittance at a value so as to ensure predetermined uniform reflection under circumstances permitting transmittance to deviate from inherent one because of deterioration or the like. Another control circuit is provided to control to ensure the inherent transmittance for predetermined reflection under the same circumstances.
REFERENCES:
patent: 3862798 (1975-01-01), Hopkins
Kato Shigeru
Nakaho Jun-ichi
Shibahara Makoto
Corbin John K.
Kabushiki Kaisha Tokai Rika Denki Seisakusho
Shapiro B. S.
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