Current balancing circuit for a multi-lamp system

Details Current balancing circuit for a multi-lamp system Current balancing circuit for a multi-lamp system

2007-09-18

2007-09-18

Dinh, Trinh Vo (Department: 2821)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

C315S312000, C315S291000, C315S276000, C315S277000

Reexamination Certificate

active

11146567

ABSTRACT:
The present invention uses one or more transformers disposed between an inverter driver to drive a plurality of lamps. Each transformer has a first coil and a second coil magnetically coupled to each other. Each of the first and second coils has an input end and an output end. The input end of the first coil is operatively connected to the input end of the second coil for receiving an input current. Each of the first and second coils has a capacitor connected between the input and output ends. The output ends of the first and second coils are used to provide output current in two separate current paths. As such, the output end of a transformer can be separately connected to the input end of two lamps or two such transformers.

REFERENCES:
patent: 6420839 (2002-07-01), Chiang
patent: 6534934 (2003-03-01), Lin et al.
patent: 6717372 (2004-04-01), Lin et al.
patent: 6781325 (2004-08-01), Lee
patent: 2002/0130628 (2002-09-01), Shin
patent: 2003/0141829 (2003-07-01), Yu et al.

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