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:
Jun. 30, 2026
Filed:
Jun. 15, 2023
Essilor International, Charenton-le-Pont, FR;
Aurélie Le Cain, Creteil, FR;
Amandine Debieuvre, Paris, FR;
Bruno Amir, Saint-Maur-des-Foss, FR;
Konogan Baranton, Montry, FR;
Delphine Bernardin, Montreal, CA;
Essilor International, Charenton-le-Pont, FR;
Abstract
The invention relates to method for calibrating a head-mounted device (), the head-mounted device () comprising a frame () and at least one sensor () mounted on the frame (), for measuring position and/or motion, the method being implemented while the head-mounted device () is worn on a wearer's head, the method comprising steps of: —detection (DET) of a known repetitive movement pattern of the wearer's head by the sensor (), —acquisition (ACQ) of three-dimensional motion data by the sensor (), —selection (SEL) of data relative to the movement pattern from the motion data, —numerical treatment (NUM) of the selected data to obtain a reference base relative to the wearer's head, and —calibrating (CAL) the sensor () based on the obtained reference base.