Circuit structure for driving a plurality of cold cathode...

Details Circuit structure for driving a plurality of cold cathode... Circuit structure for driving a plurality of cold cathode...

2007-03-13

2008-03-18

Philogene, Haissa (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Impedance or current regulator in the supply circuit

C315S276000, C315S282000, C315S312000, C315S325000, C363S021070, C363S021090, C363S034000

Reexamination Certificate

active

07345431

ABSTRACT:
A DC/AC converter circuit structure for driving a plurality of cold cathode fluorescent lamps is described. A common-mode choke is used between the cold cathode fluorescent lamps. The common-mode choke balances the currents respectively flowing through the cold cathode fluorescent lamps.

REFERENCES:
patent: 5051667 (1991-09-01), Dunham
patent: 5930121 (1999-07-01), Henry
patent: 6130509 (2000-10-01), Kates et al.
patent: 6310444 (2001-10-01), Chang
patent: 6420839 (2002-07-01), Chiang et al.
patent: 6534934 (2003-03-01), Lin et al.
patent: 6781325 (2004-08-01), Lee
patent: 7190123 (2007-03-01), Lee
patent: 2007/0200507 (2007-08-01), Meng et al.

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