Circuit arrangement for operating light sources

Details Circuit arrangement for operating light sources Circuit arrangement for operating light sources

2006-06-13

2006-06-13

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S126000, C315S224000, C315S308000

Reexamination Certificate

active

07061781

ABSTRACT:
In a circuit arrangement for operating light sources, inexpensive technologies for power factor correction can be used in combination. A resonant capacitor in a reactance network for coupling the light source is of dual design (C51, C52). A degree of freedom is thus produced which makes it possible to optimize the costs of the circuit arrangement.

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patent: 2002/0122325 (2002-09-01), Francescutti et al.
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patent: 02/47441 (2002-06-01), None
(i) M. Dalla Costa, et al., “An Analysis About Valley Fill Filters Applied to Electronic Ballasts,” Proceedings of the 29th Annual Conference of the IEEE Industrial Electronics Society, Roanoke, VA, Nov. 2003, pp. 509-514.
(ii) copy of Search Report from European Patent Office (for related foreign application) referencing the above-listed patent documents, dated Dec. 22, 2005 (3 pages total).

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