Electrodeless lighting apparatus using microwave and method...

Details Electrodeless lighting apparatus using microwave and method... Electrodeless lighting apparatus using microwave and method...

2006-05-23

2006-05-23

Vo, Tuyet Thi (Department: 2821)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

C315S267000, C315S246000, C315S344000, C219S660000, C219S661000, C219S663000

Reexamination Certificate

active

07049764

ABSTRACT:
An electrodeless lighting apparatus using microwave and a method for controlling its power can lengthen lifetimes of the magnetron by constantly maintaining power applied to a magnetron of the electrodeless lighting apparatus using microwave. Therefore, when inputted AC voltage is changed, and thus oscillation current applied to a filament of the magnetron is changed, a rate of variability of voltage of the inputted AC power is compensated so that voltage and current applied to the magnetron is constantly maintained.

REFERENCES:
patent: 5115168 (1992-05-01), Shoda et al.
patent: 6265830 (2001-07-01), Bretmersky et al.
patent: 6577074 (2003-06-01), Ervin et al.

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