LED traffic signal with synchronized power pulse circuit
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United States of America Patent
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Jul 8, 2014
Grant Date -
Oct 18, 2012
app pub date -
Jun 25, 2012
filing date -
Aug 17, 2009
priority date (Note) -
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Abstract
An improved LED traffic signal is provided. The LED traffic signal suitably includes a housing with an opening, a printed circuit board coupled to the housing, and a power supply system coupled to the printed circuit board. The power supply system includes a power supply module that receives an AC input voltage from an AC input line and transforms the AC input voltage into a DC voltage with a regulated current to power the LED load, and a synchronized power pulse circuit connected to the power supply that generates a synchronized power pulse representing a power consumption substantially equivalent to that of a halogen or incandescent traffic signal.
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