Multiple element lamp

Details Multiple element lamp Multiple element lamp

1999-10-19

2000-10-03

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

313115, 362 61, H01J 516

Patent

active

06127772&

ABSTRACT:
A multiple element lamp includes an enclosure mounted on a base with a plurality of lighting elements mounted independently within the enclosure. The lighting elements are electrically connected to a control circuit in the base which selectively supplies power to the individual lighting elements. The control circuit will disconnect a lighting element upon the detection of a decrease in lighting efficiency of the element, and turn on another of the plurality of elements.

REFERENCES:
patent: 4988925 (1991-01-01), Biblarz
patent: 5578893 (1996-11-01), Yamamoto
patent: 5789869 (1998-08-01), Lo et al.

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