LED LAMP WITH ADJUSTABLE COLOR
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United States of America Patent
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Issued Date -
Aug 28, 2014
app pub date -
Feb 28, 2013
filing date -
Feb 28, 2013
priority date (Note) -
Abandoned
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Abstract
A color adjustable lamp. The lamp includes a first white emitter source having a plurality of colors so as to emit a first combined spectrum of light. A first drive signal having a first plurality of pulses at a first logic level and a second plurality of pulses at a second logic level operably controls the first white emitter source. The first and second pluralities of pulses having a first duty cycle. Changing a ratio of the pulses of the first and second pluralities, the first duty cycle, or both, changes the first combined spectrum.
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