Apparatus, logic and method for emulating the lighting effect of a candle
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United States of America Patent
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Dec 14, 2010
Grant Date -
Jun 8, 2006
app pub date -
Jul 11, 2005
filing date -
Dec 6, 2004
priority date (Note) -
Expired
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Abstract
According to one embodiment of the invention, a method comprises receiving a time-varying power waveform. The power waveform may be periodic and/or phase-controlled. Compressed within a power range associated with the time-varying power waveform, a pulse width modulated (PWM) signal is produced, which is supplied to a light source in order to produce a lighting effect emulating lighting from a candle flame.
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