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, 1989
Filed:
Dec. 23, 1987
Gilbert Dilouya, Paris, FR;
Cibie Projecteurs, Bobigny Cedex, FR;
Abstract
An indicator light for a motor vehicle, the light being of the type comprising a substantially point light source (10) and a flat closure glass (20), situated in front of the source, together with beam-forming means for forming a beam of light rays (x'x) propagating along a given general emission direction of the light, said beam-forming means comprising: a generally flat or concave mirror (30) disposed behind the light source and comprising a set of stepped reflecting zones (32, 32, 33) inclined to reflect light rays from the source towards the glass; and a set of deflector zones (201, 202, 203) which are generally in the form of concentric rings on the glass, each zone being formed by a set of narrow prisms all having the same profile within each zone, said profile being designed as a function of the average direction respectively of direct rays and of reflected rays received by said zone.