POWER SUPPLY FOR AN AIRFIELD LED SIGN
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United States of America Patent
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Issued Date -
Nov 24, 2011
app pub date -
May 24, 2011
filing date -
May 24, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In an example embodiment, there is disclosed a power supply that comprises a rectifier for receiving an alternating current, a boost circuit coupled to the rectifier and receiving the rectified alternating current, and a processor coupled to the boost circuit. The processor is operable to control the operation of the boost circuit. The processor is operable to control the boost circuit to provide a constant, regulated current to a load by controlling the voltage at the output of the boost circuit. The constant, regulated current provided to the load is independent of the magnitude of the alternating current
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