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:
Mar. 20, 2018

Filed:

Jul. 14, 2015
Applicant:

Tridonic Gmbh & CO KG, Dornbirn, AT;

Inventors:

Patrick Marte, Gotzis, AT;

Johannes Bachmann, Gotzis, AT;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); G01R 19/00 (2006.01); H02M 3/335 (2006.01); H02M 1/08 (2006.01); H02M 3/337 (2006.01); G01R 31/26 (2014.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); G01R 19/0092 (2013.01); G01R 31/2635 (2013.01); H02M 1/08 (2013.01); H02M 3/337 (2013.01); H02M 3/33592 (2013.01); H02M 2001/0009 (2013.01);
Abstract

The invention relates to a drive circuit for operating an illuminant, preferably at least one LED, comprising an isolated converter which is clocked on the primary side by a control unit by means of at least one controlled switch unit, said converter supplying a rectifier starting from which the illuminant can be fed, a measurement circuit for indirectly measuring the current on the secondary side of the converter having a transformer with at least one winding on the primary side.


Find Patent Forward Citations

Loading…