US Patent Issued to Meta Platforms Technologies on Nov. 18 for "Waveguide disparity sensing" (Washington, California Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,577, issued on Nov. 18, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Waveguide disparity sensing" was invented by Karol Constantine Hatzilias (Sammamish, Wash.), Tamer Elazhary (Redmond, Wash.), Yu Shi (Redmond, Wash.), Guohua Wei (Redmond, Wash.), Michiel Koen Callens (Mountain View, Calif.) and Nicholas Mcgee (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display waveguide is configured to direct a first portion of display light to an eye along a first optical path. A disparity waveguide is configured to direct a second portion of the display light to a disparity sense circuit along a second optical path separa...