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:
Jul. 22, 2014
Filed:
Feb. 14, 2012
Applicants:
Frank Langkabel, Ruesselsheim, DE;
Joerg Kathmann, Salzkotten, DE;
Ingolf Schneider, Ruesselsheim, DE;
Inventors:
Frank Langkabel, Ruesselsheim, DE;
Joerg Kathmann, Salzkotten, DE;
Ingolf Schneider, Ruesselsheim, DE;
Assignee:
GM Global Technology Operations LLC, Detoit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lighting device for vehicle lights is provided that includes, but is not limited to LEDs arranged in a combined parallel/series circuit. A first photodiode is used to recognize the lighting of a first LED and a second photodiode is provided to recognize the lighting of a second LED of the plurality of LEDs.