Discharge lamp operating system

Details Discharge lamp operating system Discharge lamp operating system

2007-07-25

2011-12-06

Cho, James H (Department: 2819)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

C315S274000, C315S325000

Reexamination Certificate

active

08072156

ABSTRACT:
A discharge lamp operating system has first and second discharge lamp operating circuits. The first discharge lamp operating circuit includes first and second primary windings, a first secondary winding, a first discharge lamp connected to the first primary winding, and a second discharge lamp connected to the second primary winding. The second discharge lamp operating circuit includes third and fourth primary windings, a second secondary winding, a third discharge lamp connected to the third primary winding, and a fourth discharge lamp connected to the fourth primary winding. The first secondary winding and the second secondary winding are connected in series.

REFERENCES:
patent: 7242147 (2007-07-01), Jin
patent: 7443108 (2008-10-01), Meng et al.
patent: 7589478 (2009-09-01), Ushijima et al.
patent: 2004/0155596 (2004-08-01), Ushijima et al.
patent: 2005/0093471 (2005-05-01), Jin
patent: 9-190889 (1997-07-01), None
patent: 2004-335443 (2004-11-01), None
patent: 2005-039050 (2005-02-01), None
patent: 2006-012659 (2006-01-01), None
patent: 2006-049469 (2006-02-01), None
patent: 2006-164785 (2006-06-01), None
patent: 2005/038828 (2005-04-01), None
International Search Report issued Oct. 30, 2007 in the International (PCT) Application of which the present application is the U.S. National Stage.
English translation of JP 2006-164785, Jun. 2006.

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