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:
Mar. 27, 2012
Filed:
Feb. 06, 2009
Applicant:
Thomas Reinle, Unterhaching, DE;
Inventor:
Thomas Reinle, Unterhaching, DE;
Assignee:
Johnson Controls Technology Company, Holland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 41/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit is provided for actuating a lighting device in a motor vehicle. The circuit includes first and second light sources, that may include one or more light-emitting diodes. The light sources are connected in parallel, and each have a respective heat sink. Measuring means is configured to determine the functionality of the first and second light sources.