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:
Feb. 14, 2012
Filed:
Jun. 14, 2007
Renaud Moliton, Charenton-le-Pont, FR;
Cécile Bonafos, Legal Representative, Paris, FR;
Cédric Buchon, Charenton-le-Pont, FR;
Renaud Moliton, Charenton-le-Pont, FR;
Cécile Bonafos, legal representative, Paris, FR;
Cédric Buchon, Charenton-le-Pont, FR;
Essilor International (Compagnie Generale d'Optique), Charenton-Le-Pont, FR;
Abstract
A light pipe is provided for transmitting light signals from one of its ends to its other end facing toward the eye of a user for viewing a virtual image. The light pipe includes a diffractive component formed directly in the inlet surface. The diffractive component is an element satisfying the equation of an aspherical component of revolution of the 'kinoform' type, where the diffractive component of the pipe has power situated in a range D (Thresh, X) defined by D(Thresh, X)=D(Thresh) INTERSECTION D(X).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile