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. 14, 2019
Filed:
Nov. 14, 2014
Essilor International (Compagnie Generale D'optique), Charenton-le-pont, FR;
Romain Fayolle, Charenton-le-Pont, FR;
Sylvain Chene, Charenton-le-Pont, FR;
Abstract
The invention relates to a device for determining the position of a characterizing point of an eye of a wearer provided with a spectacle frame (), including: at least one image sensor apparatus (); and positioning element for positioning the image sensor device relative to the spectacle frame (), such that, when the spectacle frame is arranged in a useful position on the head of the wearer, the image sensor apparatus is capable of capturing an image of the eye of the wearer; and element for determining the position of a characterizing point of the eye from the at least one image of the eye of the wearer captured by the image sensor apparatus. The invention also relates to a method for determining the position of a characterizing point of an eye of a wearer, a device and a method for determining the direction of the gaze and a method for determining associated areas of wear of an ophthalmic lens.