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. 27, 2011
Filed:
Feb. 05, 2007
Applicant:
Arwed Storm, Dachau, DE;
Inventor:
Arwed Storm, Dachau, DE;
Assignee:
Osram AG, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a circuit arrangement for providing an operating DC voltage from a mains voltage, more particularly to operating circuits comprising a clocked electronic converter. Such operating circuits are preferably used for lamps or other light sources. The present invention protects such circuit arrangements from transient mains overvoltages. As soon as a mains overvoltage occurs a diverter switch Th connects the voltage-sensitive switch Sof the electronic converter to a storage capacitor C