The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 31, 2012
Filed:
Aug. 03, 2010
Marc Devincentis, Palo Alto, CA (US);
Paul Ralston, Palo Alto, CA (US);
Gregg Hollingsworth, Tempe, AZ (US);
Jae Won Kim, Irvine, CA (US);
Marc DeVincentis, Palo Alto, CA (US);
Paul Ralston, Palo Alto, CA (US);
Gregg Hollingsworth, Tempe, AZ (US);
Jae Won Kim, Irvine, CA (US);
Luxim Corporation, Sunnyvale, CA (US);
Abstract
An electrodeless plasma lamp having a bulb containing a fill that forms a light-emitting plasma is described. The lamp includes a power amplifier to provide radio frequency power to the fill at a frequency in the range of about 50 MHz to 10 GHz and the power amplifier is configured to operate in at least two classes of operation. Control electronics of the lamp is configured to change the class of operation of the power amplifier during operation of the plasma lamp. For example, the power amplifier may be configured to operate as a class A/B amplifier during at least a first mode of operation and a class C amplifier during at least a second mode of operation.