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:
Oct. 07, 2025
Filed:
Oct. 15, 2021
Applicant:
Valeo Vision, Bobigny, FR;
Inventors:
Assignee:
Valeo Vision, Bobigny, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/56 (2020.01); B60Q 11/00 (2006.01); G01J 3/50 (2006.01);
U.S. Cl.
CPC ...
B60Q 11/005 (2013.01); G01J 3/50 (2013.01); H05B 45/56 (2020.01);
Abstract
This invention provides a method for detecting a failure in a solid-state light source of an automotive lighting device. This method provides an estimated temperature profile for the lighting device, measures an actual temperature profile of the lighting device and compares the estimated temperature profile with the actual temperature profile in order to detect a difference between them.