Dedicated LED airfield system architectures
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United States of America Patent
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Feb 2, 2010
Grant Date -
Nov 16, 2006
app pub date -
May 8, 2006
filing date -
May 10, 2005
priority date (Note) -
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Abstract
A system and method that contemplates operating an LED at its characterized current (e.g. 400 mA) for any luminous intensity. A Pulse Width Modulation (PWM) is employed, wherein the pulse width of the pulse width modulated signal is used to control the luminous intensity of the LED. Optionally, the LED can be biased to reduce the intensity of the pulses used to operate the LED.
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