ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,770, issued on Nov. 18, was assigned to INIVATION AG (Zurich, Switzerland).

"Eye tracking device, eye tracking method, and computer-readable medium" was invented by Thomas Debrunner (Zurich, Switzerland), Pierre Giraud (Opfikon, Switzerland), Chenghan Li (Zurich, Switzerland) and Kynan Eng (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An eye tracking device including an event-based optical sensor, configured to receive radiation reflected off an eye of a user and produce a signal stream of events, each event corresponding to detection of a temporal change in the received radiation at one or more pixels of said optical sensor, a...