Single-stage electronic ballast for a fluorescent lamp

Details Single-stage electronic ballast for a fluorescent lamp Single-stage electronic ballast for a fluorescent lamp

2008-09-30

2011-10-04

Tran, Anh (Department: 2819)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S247000, C315S307000

Reexamination Certificate

active

08030855

ABSTRACT:
The invention provides a single-stage electronic ballast for a fluorescent lamp, comprising a boost circuit and a load unit. The boost circuit includes a first inductor, a first capacitor, a first diode and at least a switch, wherein the positive terminal of the first diode is connected to the first inductor, and the negative terminal of the first diode is connected to the at least a switch. The load unit includes at least a fluorescent lamp, two terminals of the first capacitor are respectively connected to the at least a load unit, and the at least a switch is connected to the load unit for controlling its turning-on and turning-off, wherein the boost circuit and the load unit share the at least a switch.

REFERENCES:
patent: 6107750 (2000-08-01), Moisin
patent: 2008/0007184 (2008-01-01), Van Der Voort et al.

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