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:
Dec. 04, 2007
Filed:
Nov. 24, 2004
Robert Martin, Drummondville, CA;
Aline Tétreault, Kingsey Falls, CA;
Arunava Dutta, Winchester, MA (US);
Daniel Marian, Roscoe, NY (US);
Robert Martin, Drummondville, CA;
Aline Tétreault, Kingsey Falls, CA;
Arunava Dutta, Winchester, MA (US);
Daniel Marian, Roscoe, NY (US);
Osram Sylvania Inc., Danvers, MA (US);
Abstract
An electrodeless lamp (), wherein the lamp comprises a closed-loop, tubular lamp envelope () with parallel cylindrical glass tubes () containing an arc generating and sustaining medium, means () in the form of magnetic toroids for energizing the medium; and a reflector coating () associated with the envelope () and affixed thereto. In a preferred embodiment of the invention the reflector coating () is on the internal surface () of the envelope and comprises a layer of a reflective m, such as alumina. Alternatively, the reflective coating () can be applied to the external surface of the envelope.