Electric lamp and discharge devices: systems – Pulsating or a.c. supply – With power factor control device
Reexamination Certificate
2007-11-20
2010-11-02
Owens, Douglas W (Department: 2821)
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
With power factor control device
C315S291000, C315S2090SC, C363S022000
Reexamination Certificate
active
07825606
ABSTRACT:
A kind of fluorescent lamp driver power consists of a multi-switch converting circuit, a power transformer, a resonant inductor, a resonant capacitor, a step-up transformer and a rectifier. The primary winding of the power transformer connects with an AC output of multi-switch converting circuit. The resonant inductor and the resonant capacitor are connect to the secondary winding of the power transformer through the primary winding of the step-up transformer. The secondary winding of the power transformer connects with the rectifier. The secondary winding of the step-up transformer connects with the load output. This invention combines the fluorescent lamp driver power and the power supply of the control system, so that energy transformation occurs only once for the output from the Power Factor Correction Circuit to lamp.
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Gui Chengcai
Yang Dongping
Zhang Zhi
Chan Raymond Y.
David and Raymond Patent Firm
Kim Jae K
Owens Douglas W
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