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:
Jan. 28, 1997
Filed:
May. 04, 1995
Applicant:
Inventors:
Thierry Leroux, IFS, FR;
Christian Massart, Clichy-Sous-Bois, FR;
Assignee:
Essilor International, Charenton le Pont, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
348589 ; 348 95 ; 345113 ; 451-5 ;
Abstract
A method and device for transforming a video signal representing a video image into a signal representing an image for a display matrix useful in equipment for centering spectacle lenses are disclosed, the device comprising a unit supplying a video image of the lenses, a unit furnishing data for a spectacle frame, a microprocessor which generates an image of said frame and an alignment pattern for superimposition in the image of said lenses, and a flat panel display device.