ELECTRODELESS PLASMA LAMP UTILIZING ACOUSTIC MODULATION
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 19, 2013
filing date -
Apr 19, 2012
priority date (Note) -
Abandoned
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Abstract
An electrodeless plasma lamp is described that employs acoustic resonance. The plasma lamp includes a metal enclosure having a conductive boundary forming a resonant structure, and a radio frequency (RF) feed to couple RF power from an RF power source into the resonant cavity. A bulb is received at least partially within an opening in the metal enclosure. The bulb contains a fill that forms a light emitting plasma when the power is coupled to the fill. The RF power source includes a controller to modulate the RF power to induce acoustic resonance in the plasma.
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