Signal light

Details Signal light Signal light

1987-06-24

1988-12-13

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

350331R, G09G 336

Patent

active

047914181

ABSTRACT:
A signal light comprising a light source and a liquid crystal means. The liquid crystal means is disposed between the light source and a viewing area of the signal light for blocking and transmitting light according to a given electrical input. The signal light further includes means for energizing the light source when the liquid crystal means transmits light and for de-energizing the light source when the liquid crystal means blocks light.

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