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.:

US 8441189 B1

PDF
Full Text
Expired
Date of Patent:
May. 14, 2013

Filed:

Jun. 21, 2010
Applicants:

Helmut Halfmann, Rheinberg, DE;

Axel Hombach, Kuerten, DE;

Inventors:

Helmut Halfmann, Rheinberg, DE;

Axel Hombach, Kuerten, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 17/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

Two or more separate discharge spaces () are provided in the discharge vessel () of a dielectric barrier discharge lamp (), said discharge spaces () each being filled with a discharge medium. This provides the possibility of producing radiation with two or more wavelengths which are characteristic of the respectively used discharge media using a single lamp ().


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