ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,376, issued on Aug. 26, was assigned to Apple Inc. (Cupertino, Calif.).
"Waveguide angle sensing" was invented by Vikrant Bhakta (Santa Clara, Calif.), Hyungryul Choi (San Jose, Calif.), Scott M DeLapp (San Diego) and Dominic P Cincione (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head-mounted device may have a projector that emits light. The light may include visible images produced using image data and optionally infrared light. A waveguide may propagate the light and may have a first output coupler that couples the visible images out of the waveguide and towards an eye box. One or more optical sensors may generate optical senso...