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:
Jan. 24, 2017

Filed:

Dec. 12, 2013
Applicant:

Automotive Lighting Italia S.p.a.a Socio Unico, Venaria Reale, Turin, IT;

Inventors:

Stefano Marchesin, Turin, IT;

Andrea Englaro, Turin, IT;

Matteo Iellina, Turin, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q 1/14 (2006.01); H05B 33/08 (2006.01); B60Q 1/00 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); B60Q 1/00 (2013.01); H05B 33/0827 (2013.01); H05B 33/0845 (2013.01);
Abstract

A lighting circuit, in particular for a motor vehicle light, comprises at least one light source, particularly of the LED type, defined by a first voltage selection, a first selection circuit to identify said first voltage selection, at least one light source, particularly of the LED type, defined by a second voltage selection, and a second selection circuit to identify said second voltage selection. An electronic control unit configured to detect said first and second voltage selection of the light source, and to regulate the driving current absorbed by the light source defined by the lower voltage selection, so that said driving current follows with a constant ratio the trend of the driving current absorbed by the light source defined by the higher voltage selection, the latter being taken as reference.


Find Patent Forward Citations

Loading…