ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,689, issued on Sept. 23, was assigned to The Nielsen Co. (US) LLC (New York).

"Mobile device attention detection" was invented by John Stavropoulos (Edison, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems and articles of manufacture are disclosed for mobile device attention detection. An example apparatus includes a mobile meter to receive, from an external device, a signal to gather user attention data, and transmit the user attention data. The example apparatus further includes an interval timer to activate a time period for determining attention of a user. The example apparatus further includes an attention determ...