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. 29, 2018
Filed:
Jan. 15, 2015
Essilor International (Compagnie Generale D'optique), Charenton-le-Pont, FR;
Michel Nauche, Charenton-le-Pont, FR;
Stephane Boutinon, Charenton-le-Pont, FR;
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE), Charenton-Le-Pont, FR;
Abstract
A visual compensation system () enabling observation, with variable optical power correction, along an optical observation axis (X) includes:—a first rotatable optical element () centered on the optical axis (X) and having a first cylinder power along the optical axis (X); —a second rotatable optical element () centered on the optical axis (X) and having a second cylinder power along the optical axis (X); and—a lens () having the optical axis (X) as the axis thereof, and moreover having variable sphere power.