ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,703, issued on June 30, was assigned to Essilor International (Charenton-le-Pont, France).
"Method for calibrating a head-mounted device" was invented by Aurelie Le Cain (Creteil, France), Amandine Debieuvre (Paris), Bruno Amir (Saint-Maur-des-Foss, France), Konogan Baranton (Montry, France) and Delphine Bernardin (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to method for calibrating a head-mounted device (1), the head-mounted device (1) comprising a frame (2) and at least one sensor (4) mounted on the frame (2), for measuring position and/or motion, the method being implemented while the head-mounted device (1) is ...