ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,738, issued on July 28, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).
"Eye tracking via dense point cloud scanning using a light beam source and a reflective and/or diffractive surface" was invented by Youmin Wang (Bellevue, Wash.), Ehsan Vadiee (Bothell, Wash.) and Mohamed Tarek Ahmed El-Haddad (Redmond, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Augmented and/or virtual reality (AR/VR), near-eye display devices that implement eye tracking via dense point cloud scanning are disclosed. In examples, an eye tracking system for an augmented reality/virtual reality (AR/VR) display device comprises a light beam emission ...