US Patent Issued to Apple on Aug. 11 for "Eye tracking based on optical flow" (California Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,705,778, issued on Aug. 11, was assigned to Apple Inc. (Cupertino, Calif.).

"Eye tracking based on optical flow" was invented by Tong Chen (Fremont, Calif.), Nicholas C. Soldner (Los Altos, Calif.) and William Whitney (Capitola, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Eye motion is determined based on optical flow in images of an eye where the images are of reflections of light (coherent or incoherent) off of an eye. The reflections may be produced by selectively using one or more light sources and/or the images may be captured by selectively using one or more image sensors. For example, a subset of less than all of multiple available ligh...