Multi-electrodes double tube fluorescent lamp

Details Multi-electrodes double tube fluorescent lamp Multi-electrodes double tube fluorescent lamp

2006-10-18

2010-06-29

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

C313S595000

Reexamination Certificate

active

07745997

ABSTRACT:
A multi-electrode double tube fluorescent lamp includes first external electrodes formed at two ends of an outer glass tube or an inner glass tube, and a second external electrode formed at an inner wall surface of the inner glass tube in a longitudinal direction. A first power source is connected with the first external electrode, and a second power source is connected with the second external electrode. A third external electrode formed along an outer surface of the outer glass tube is connected with the second power source. The second external electrode and the third external electrode are arranged in a radial shape in a direction vertical with respect to the longitudinal direction.

REFERENCES:
patent: 10-2004-0022376 (2004-03-01), None
patent: WO2004023518 (2004-03-01), None

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