ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,557, issued on Aug. 26, was assigned to Essilor International (Charenton le Pont, France).
"Eyewear for determining an eye direction" was invented by Jessica Combier (Charenton le Pont, France), Aude Bouchier (Charenton le Pont, France) and Jean-Paul Cano (Charenton le Pont, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An eyewear is adapted for fitting a user's face and for determining an eye direction of a user's eye. The eyewear is provided with at least three light sensors each configured for outputting a measured light intensity value that corresponds to ambient light originating from surroundings of the user outside the eyewear and ref...