Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1999-05-03
2000-07-25
Wu, Daniel J.
Communications: electrical
Condition responsive indicating system
Specific condition
340669, 340683, 3405731, 340362, 3406911, 3406918, 36137, 362189, 362 84, G08B 2300
Patent
active
060941413
ABSTRACT:
A decorative/warning luminous means emitting flashes only in a vibrating state and in the night and therefore consuming only very small amount of power. The decorative/warning luminous means includes an actuating unit consisting of serially connected photo-sensor circuit, resistor, and vibration switch and capable of detecting surrounding luminance and vibrating condition. The actuating unit has two ends connected to two electrodes of a DC power source and outputs a trigger signal that is a signal of voltage value detected at a position between the photo-sensor and the resistor for actuating the decorative/warning luminous means to produce flashes. The actuating unit is always in an open state and does not consume any power in the daytime, so long as the decorative/warning luminous means is not actuated.
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patent: 5746500 (1998-05-01), Chien
patent: 5758946 (1998-06-01), Chen
Liauh W. Wayne
Nguyen Tai T.
Wu Daniel J.
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