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. 30, 2017
Filed:
Mar. 08, 2013
Essilor International (Compagnie Generale D'optique), Charenton le Pont, FR;
Ahmed Haddadi, Charenton-le-Pont, FR;
Jean Delzers, Charenton-le-Pont, FR;
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE), Charenton-le-Pont, FR;
Abstract
A method for determining at least one characteristic relating to the posture of the head () of a person () wearing spectacles () including a frame () and two lenses (G,D), using a determining device including an image sensor, at least one light source and a computation unit, the method includes steps of: a) acquiring an image () of at least part of the wearer's head, in which the spectacles are illuminated by the light source; b) in the image, locating reflections (D,G,D,G) from the light source, reflected by the two lenses of the spectacles; and c) deducing the wearer's head posture characteristic in relation to the image sensor, as a function of the position of the reflections in the image.