Dimming system powered by two current sources and having an operation indicator module
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United States of America Patent
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Nov 16, 2010
Grant Date -
Jan 29, 2009
app pub date -
Oct 29, 2007
filing date -
Jul 26, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dimming system and method of operating the same are provided. The dimming system includes a first terminal configured to operatively connect to a first conductive line, a second terminal configured to operatively connect to a second conductive line, and a third terminal configured to operatively connect to a third conductive line. The first conductive line is configured to connect to a load, the second conductive line is configured to supply an alternating current, and the third conductive line is configured to connect to a current path. The dimming system further includes a controller operatively connected to at least one of the first, second and third terminals for controlling operation of the dimming system. The first and second terminals are configured for electrically connecting to a primary power supply and the first and third terminals are configured for electrically connecting to a secondary power supply. The primary power supply is powered through connection to neutral, and wherein the secondary power supply is powered through connection to an earth ground.
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