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:
Aug. 31, 2010
Filed:
Jan. 11, 2008
Jean-luc Meyrenaud, Livry Gargan, FR;
Jean-Luc Meyrenaud, Livry Gargan, FR;
Valeo Vision, Bobigny, FR;
Abstract
A dual function headlamp for motor vehicle fulfilling a first function as a beam with cut-off, in particular a dipped beam, and a second function as a second-type beam, in particular a full beam, comprising: an elliptical reflector with an interior focal point and an focal point on an optical axis; a light source placed in the vicinity of the interior focal point; an optics placed forward of the reflector and with a focal point merged with, or next to, the exterior focal point of the reflector; and a retractable shade that can occupy an active position for the beam with cut-off and a withdrawn position for the second-type beam, the shade in active position presenting a cut-off edge situated in the vicinity of the focal point of the optics. The retractable shade presents a reflective surface which, in withdrawn position, is placed in the lower part of the reflector, is turned forward and contributes to the second-type beam.