ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,423,865, issued on Sept. 23, was assigned to APLLE INC. (Cupertino, Calif.).

"Method and an apparatus for determining a gaze point on a three-dimensional object" was invented by Jan Hoffmann (Berlin), Tom Sengelaub (Berlin) and Denis Williams (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for determining the gaze endpoint of a subject, the system comprising: a eye tracking unit adapted to determine the gaze direction of one or more eyes of the subject; a head tracking unit adapted to determine the position comprising location and orientation of the eye tracker with respect to a reference coordinate system; a 3D Structure representation...