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:
Nov. 13, 2012
Filed:
Jun. 11, 2010
Applicants:
Martin Pados, Ettlingen, DE;
Jan Ellmann, Karlsruhe, DE;
Michael Gültig, Stutensee, DE;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 41/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a circuit arrangement for controlling light emitting diodes (LED's) combined in groups, with at least one driver which has current outputs, via which current can be delivered to the LED's, as well as a control input by which the current supplied to the LED's is adjustable, the current control input is connected to the voltage output of a voltage source.