Light bulb life extender

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Load device and impedance

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Details

315200R, 363146, H01J 744, H05B 3700, H02M 100

Patent

active

049806076

ABSTRACT:
Disclosed herein is an improved light bulb life extender device made in a small disc-like form and designed to be removably insertable into an Edison-type light bulb socket. The inventive device is operative to place in series with a source of electrical power a silicon bilateral voltage triggered switch specifically designed to allow a voltage output of a predetermined percentage of the voltage inputted thereto. Through this reduction in voltage, the associated light bulb will burn slightly less brightly but with significantly extended life span.

REFERENCES:
patent: 3446991 (1966-03-01), Howell
patent: 4229680 (1980-10-01), Berlin, Jr. et al.
patent: 4547704 (1985-10-01), Brinn et al.
patent: 4888678 (1989-12-01), Sundhar

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