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:
May. 03, 2005
Filed:
Jun. 05, 2002
Applicants:
Xavier Levecq, Gif sur Yvette, FR;
Fabien Divo, Gonesse, FR;
Laurent Guillermin, Paris, FR;
Inventors:
Assignee:
Essilor International (Compagnie General d'Optique), Charenton Le Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B009/00 ;
U.S. Cl.
CPC ...
Abstract
A device for automatically detecting characteristics of an ophthalmic lens includes a support receiving the lens, an illumination system and an analysis system. The optics of the illumination system define two alternate optical paths, one of which passes through a mask forming a Hartmann matrix.