ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,356, issued on Nov. 25, was assigned to Apple Inc. (Cupertino, Calif.).
"Eye tracking using eye odometers" was invented by Tom Sengelaub (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Low-power eye tracking for detecting position and movements of a user's eyes in a head-mounted device (HMD). An eye tracking system for an HMD may include eye tracking cameras and eye odometers that may reduce power consumption of the system. The eye odometers may be used as a low-power component to track relative movement of the user's eyes with respect to the HMD between frames captured by the eye tracking cameras, which may allow the frame rate of the...