Systems and methods for heater control by current level step detection
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 15, 2015
app pub date -
Apr 14, 2015
filing date -
Apr 14, 2014
priority date (Note) -
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Abstract
An airfield lighting system can comprise a control system, a constant current regulator, and a plurality of light fixtures. The control system can command the constant current regulator to output a current level transition sequence. One or more light fixtures of the plurality of light fixtures can detect the current level transition sequence and execute a command at the light fixture, such as actuating a heating element or adjusting the intensity of light emitted by a light source.
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