ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,969, issued on Sept. 22, was assigned to Apple Inc. (Cupertino, Calif.).
"Optical systems having optical couplers for sensing light" was invented by Itai Afek (Kefar Sava, Israel), Ariel Lipson (Tel Aviv, Israel), Eran Tal (Petah Tikva, Israel), Mark R Ayres (Boulder, Colo.), Ken Anderson (Longmont, Colo.), Maria I Campana (Boulder, Colo.), Daniel Ott (Boulder, Colo.) and Sagee Rosen (Netzer Sereni, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display may include an emitter that emits infrared light and a coupler that couples the light into a waveguide and couples reflected infrared light coaxial with the light out of the waveguide. The ...