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. 26, 2006
Filed:
Aug. 16, 2005
Applicant:
Petr Peka, Traunreut, DE;
Inventor:
Petr Peka, Traunreut, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and circuit arrangement for dimming at least one lamp, includes a connection for a supply voltage; a dimming device connected on the input side to the supply voltage and has an input for a dimming selection and at least one switch; and a filter connected to the output of the dimming device, the filter having at least one capacitor and an output for coupling to an electronic ballast; wherein it also has an input impedance modification device connected to the filter device and is designed to modify the input impedance active at the input of the filter.