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:
Apr. 18, 2006
Filed:
Dec. 19, 2003
Patrice Bos, Bobigny Cedex, FR;
Etienne Pauty, Bobigny Cedex, FR;
Patrice Bos, Bobigny Cedex, FR;
Etienne Pauty, Bobigny Cedex, FR;
Valeo Vision, Bobigny Cedex, FR;
Abstract
A motor vehicle headlight comprises a reflector arranged to be oriented along the horizontal axis of the vehicle, together with a light source situated in the vicinity of the focus of the reflector. It also includes a filter which is able to occupy a withdrawn first position in which it does not interfere with the light beam, and a working second position in which it interferes with at least part of the beam. Means are provided for moving the filter between its working and withdrawn positions. The filter is a diffusing and absorbing filter which does not substantially modify the wavelengths of the emergent light as compared with the incident light, and which is arranged so that, with the filter in the working position, a second type of light beam is produced having a reduced intensity, and, optionally, a modified photometric distribution.