Electrodeless lamps with coaxial type resonators/waveguides and grounded coupling elements
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United States of America Patent
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Jan 12, 2016
Grant Date -
Sep 27, 2012
app pub date -
Sep 23, 2011
filing date -
Oct 7, 2010
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Abstract
The present invention is directed to devices and methods for generating light with plasma lamps. More particularly, the present invention provides plasma lamps driven by a radio-frequency source without the use of electrodes inside the bulb and related methods. In a specific embodiment, a coaxial type coupling module is used to drive an electrodeless bulb. Merely by way of example, such plasma lamps can be applied to applications such as stadiums, security, parking lots, military and defense, street lighting, large and small buildings, vehicle headlamps, aircraft landing, bridges, warehouses, UV water treatment, agriculture, architectural lighting, stage lighting, medical illumination, microscopes, projectors and displays, any combination of these, and the like.
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