Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Electric switch controlled by the radiant energy responsive...
Patent
1997-01-23
1998-10-27
Lee, Benny
Electric lamp and discharge devices: systems
With radiant energy sensitive control means
Electric switch controlled by the radiant energy responsive...
315156, 315157, 315119, 250214AL, H05B 3702
Patent
active
058281797
ABSTRACT:
An anti-burn device which can prevent a floor lamp from burning material covering thereon is disclosed. The anti-burn device includes a photoresistor and a detecting control circuit. The photoresistor has a photo-sensitive surface receiving light reflected back to the floor lamp. When the photoresistor receives the reflected light, the detecting control circuit will cut off the power supply to the halogen bulb. Therefore, burning of the material draped on or against the floor lamp can be avoided.
REFERENCES:
patent: 3777225 (1973-12-01), Dixon
Chang Mei-jen
Lee Benny
Vu David H.
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