US Patent Issued to Meta Platforms Technologies on Aug. 4 for "Beam walking detection for eye tracking in a head-mounted device" (Washington Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,444, issued on Aug. 4, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Beam walking detection for eye tracking in a head-mounted device" was invented by Youmin Wang (Bellevue, Wash.), Gaetano Aiello (Redmond, Wash.), Robert Dale Cavin (Bellevue, Wash.) and Yatong An (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An eye tracking system for a head-mounted device determines depth characteristics of an eye in an eyebox region. The eye tracking system includes a detector array, a scanning mirror, and a light source. The detector array is oriented on the head-mounted device to receive reflected light from an eyebox re...