ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,075, issued on June 2, was assigned to BAE Systems PLC (London).

"Head tracking system" was invented by Colin Richard Mills (Rochester, Great Britain) and Simon Trythall (Rochester Kent, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head tracking system HTS, configured to determine a head position and a head orientation of a user to which display images are configured to align with the outside world scene and are configured to be presented, the HTS comprising: one or more optical sensors generating an optical measurement; and a number of inertial sensors generating an inertial measurement; a processor configured to determine the head...