Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate
2005-02-08
2005-02-08
Wong, Dong (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
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.
Alemu Ephrem
Analog Microelectronics, Inc.
Bever Hoffman & Harms LLP
Harms Jeanette S.
Wong Dong
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