Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit
Reexamination Certificate
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.
Lee Yueh-Pao
Sun Chia-Hung
Wey Chin-Der
Yeh Yi-Chun
AU Optronics Corporation
Dinh Trinh Vo
Ware Fressola Van Der Sluys & Adolphson LLP
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