Apparatus for driving a light tube and method therefor

Details Apparatus for driving a light tube and method therefor Apparatus for driving a light tube and method therefor

2006-03-21

2006-03-21

Chen, Shih-Chao (Department: 2821)

Electric lamp and discharge devices: systems

Plural load device systems

C345S102000

Reexamination Certificate

active

07015659

ABSTRACT:
An apparatus for driving a light tube and the method thereof. The driving apparatus includes a delay unit, a first logic device, a second logic device, and a transformer. The delay unit receives an input signal and a voltage control signal, and outputs a delay signal. The first logic device processes a first operation on the input signal and the voltage control signal, then outputs a first signal. The second logic device processes a logic operation on the input signal and the voltage control signal, and then outputs a second signal. The two ends of the primary coil of the transformer are respectively coupled to a first switch and a second switch which are respectively controlled by the first signal and the second signal. The secondary coil of the transformer outputs a driving signal to drive the light tube.

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patent: 6534934 (2003-03-01), Lin et al.
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patent: 2003/0001524 (2003-01-01), Lin et al.
patent: 360883 (1999-06-01), None
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