Emergency lighting systems and methods for solid state lighting apparatus
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
May 8, 2012
filing date -
Dec 12, 2011
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Abstract
An emergency lighting module for providing emergency power to a solid state luminaire. The emergency lighting module includes a first input configured to receive a DC input voltage from the solid state luminaire, a second input configured to receive a status signal indicative of the status of an AC line voltage, and a first output configured to supply a DC output voltage to the solid state luminaire. The emergency lighting module is configured to supply the DC output voltage to the solid state luminaire in response to a reduction of the AC line voltage.
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