ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,463, issued on Dec. 2, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Determining visual attention" was invented by Marja Pauliina Salmimaa (Tampere, Finland), Akos Vetek (Espoo, Finland), Aleksi Ikkala (Espoo, Finland) and Tero Simo Ilari Jokela (Tampere, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and method is disclosed relating to determining visual attention of a user. The method may, for example, comprise tracking eye positions of a user during simultaneous display of first and second content to the user, wherein the first content comprises content displayed by a head-worn display device so that it is perceived...