ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,735, issued on Nov. 3, was assigned to Apple Inc. (Cupertino, Calif.).

"Optical systems with holographic glint sources" was invented by Daniel Ott (Boulder, Colo.), Adam C Urness (Boulder, Colo.), Maria I Campana (Boulder, Colo.) and Ariel Lipson (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device include a projector that generates image light propagated by a waveguide. An output coupler may couple the image light out of the waveguide and towards an eye box. An infrared emitter may emit infrared light that is coupled into the waveguide. A set of discrete holographic diffusers may be arranged in a ring on the waveguid...