LED luminaire with improved life and operation management
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United States of America Patent
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Feb 7, 2012
Grant Date -
N/A
app pub date -
Jan 10, 2008
filing date -
Jan 11, 2007
priority date (Note) -
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Abstract
A method and apparatus for adjusting the drive signal of an LED luminaire is provided and includes an LED light source assembly, an ambient sensor circuit, a comparator circuit, and a driver circuit. The ambient sensor circuit provides an ambient signal to the LED light source assembly, which is a function of the ambient (such as temperature, humidity or air visibility) proximate to the LED light source assembly. The comparator circuit provides a bidirectional ambient adjustment signal to the driver circuit, which is a function of the ambient signal and a reference signal. And the driver circuit provides an adjustable drive signal to the LED light source assembly, which is a function of the bidirectional ambient adjustment signal.
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