US Patent Issued to Meta Platforms Technologies on Aug. 4 for "Non-telecentric holographic optical element in an eye tracking system" (Washington Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,699,268, issued on Aug. 4, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Non-telecentric holographic optical element in an eye tracking system" was invented by Jianbo Zhao (Kirkland, Wash.), Yang Yang (Redmond, Wash.) and Peter Johnsen (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus, system, and method for a waveguide system may be used to support eye tracking in a head mounted display (HMD). The waveguide system may be positioned in a user's field of view and within a lens assembly of the HMD to capture light that is reflected from an eye. The waveguide system may include a holographic optical element (HOE) ...