Lighting status signaling system and method
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United States of America Patent
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Jul 17, 2018
Grant Date -
Aug 24, 2017
app pub date -
Feb 19, 2016
filing date -
Feb 19, 2016
priority date (Note) -
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Abstract
A lighting status signaling system including a lighting fixture having a light, a light driver connected to the light, and a monitor circuit connected to the light and to the light driver. The monitor circuit is configured to monitor a voltage level at an output of the light driver. A sensing circuit is coupled to the monitor circuit via a sensing wire independent of a power wire to the lighting fixture. A lighting controller is connected to the sensing circuit via the sensing wire and configured to determine a lighting status of the lighting fixture.
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