Electrodeless lamps with grounded coupling elements
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United States of America Patent
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Mar 18, 2014
Grant Date -
May 9, 2013
app pub date -
Sep 27, 2012
filing date -
Jun 25, 2008
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Abstract
An electrodeless plasma lamp includes a bulb containing a gas-fill and light emitter(s) excited to produce light using radio-frequency (RF) energy. Input and output coupling elements separated from each other by a gap couple RF energy from an RF source to the bulb. One end of the input coupling element is electrically connected to an RF source while the other end is connected to ground. One end of the output coupling element is connected to ground while the other end is connected to the bulb.
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