US Patent Issued to Apple on Feb. 3 for "Eye tracking using self-mixing interferometry" (California Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,100, issued on Feb. 3, was assigned to Apple Inc. (Cupertino, Calif.).

"Eye tracking using self-mixing interferometry" was invented by Tong Chen (Fremont, Calif.), Mark T. Winkler (San Jose, Calif.), Edward Vail (Menlo Park, Calif.), Xibin Zhou (Palo Alto, Calif.), Ahmet Fatih Cihan (San Jose, Calif.) and Walter Nistico (Redwood City, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An eye tracking device includes a head-mountable frame, an optical sensor subsystem mounted to the head-mountable frame, and a processor. The optical sensor subsystem includes a set of one or more SMI sensors. The processor is configured to operate the optical sensor...