ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,443, issued on June 24, was assigned to Tobii AB (Danderyd, Sweden).

"Assembly for an eye tracking system and a corresponding head-mounted device utilizing the same" was invented by Kayla Kearns (Danderyd, Sweden), Louise Wandesjo (Danderyd, Sweden), Fredrik Noren (Danderyd, Sweden), Ola Glimaker (Danderyd, Sweden) and Marten Selin (Danderyd, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is related to an assembly for an eye-tracking system, the assembly comprising a substantially ring-shaped carrier, a seat in the carrier, a plurality of light emitting devices disposed on a substrate, wherein the substrate is positioned against...