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:
Mar. 17, 1987
Filed:
Jun. 27, 1986
Applicant:
Inventor:
Christian Joncour, Villeneuve St. Georges, FR;
Assignee:
Essilor International (Compagnie Generale d'Optique), Creteil, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; A61B / ;
U.S. Cl.
CPC ...
351204 ; 351212 ; 351221 ;
Abstract
Luminous source of device for measuring, by means of corneal reflections, the ocular parameters of a subject. The source comprises a first extended emitting zone globally annular adapted to produce on the cornea of each eye of the subject a reflection observable by the operator of the device and a second punctual emitting zone disposed at the centre of the first emitting zone and constituting the fixation point of the subject's stare.