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.

Date of Patent:
Dec. 05, 2006

Filed:

Apr. 08, 2005
Applicants:

Alois Braun, Neuburg, DE;

Young G. Kang, Vernon Hills, IL (US);

Walter Limmer, Munich, DE;

Joachim Muhlschlegel, Grobenzell, DE;

Inventors:

Alois Braun, Neuburg, DE;

Young G. Kang, Vernon Hills, IL (US);

Walter Limmer, Munich, DE;

Joachim Muhlschlegel, Grobenzell, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 41/36 (2006.01); H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to an electronic ballast, to an illumination device including the electronic ballast and an associated high-pressure discharge lamp, and to a corresponding operating method for a high-pressure discharge lamp, in which resonance excitation is used to generate a voltage-increased power for a transfer phase of the lamp Lp after starting.


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