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. 25, 2012
Filed:
Nov. 09, 2006
Applicants:
Martin Honsberg-riedl, Teisendorf, DE;
Peter Niedermeier, München, DE;
Burkhard Ulrich, Rosenfeld, DE;
Inventors:
Martin Honsberg-Riedl, Teisendorf, DE;
Peter Niedermeier, München, DE;
Burkhard Ulrich, Rosenfeld, DE;
Assignee:
OSRAM GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 41/16 (2006.01); H05B 41/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit arrangement for operating a high-pressure discharge lamp with an electronic ballast, which is designed to provide an AC feed signal for the high-pressure discharge lamp, the frequency of the AC feed signal being at least 1 MHz, wherein the electronic ballast is adapted to modulate the amplitude of the AC feed signal.