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:
Dec. 15, 1992
Filed:
Jan. 15, 1991
Applicant:
Inventors:
Dominique Baude, Saint Ouen, FR;
Jean-Claude Meslard, Saint Maurice, FR;
Gerard Obrecht, Issy Les Moulineaux, FR;
Pierre Chavel, Chilly-Mazarin, FR;
Denis Joyeux, Les Ulis, FR;
Jean Taboury, Sceaux, FR;
Assignee:
Essilor International Cie Generale d'Optique, Creteil, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C / ; G02C / ; A61F / ;
U.S. Cl.
CPC ...
351177 ; 351161 ; 351169 ; 351176 ; 623-6 ;
Abstract
The manufacture of an artificial optical lens having any given power profile starts from an artificial optical lens having a different power profile. A physical-chemical treatment method modifies the power profile to obtain a required power profile. A rotating mask is used for spatial modulation of the energy flux.