System and method for powering cold cathode fluorescent...

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Reexamination Certificate

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C315S224000, C315S307000, C315S2090PZ

Reexamination Certificate

active

06853153

ABSTRACT:
A frequency provided to power a cold cathode fluorescent light (CCFL) circuit is based on a duty cycle of a driving waveform to the CCFL circuit, wherein the duty cycle of the driving waveform is approximately 50%.

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Publication entitled: “One-Cycle Control Of Switching Converters”; Smedley et al.; Power Electronics Group; California Institute of Technology; pp. 1-9.

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