ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,856, issued on June 23, was assigned to Sony Interactive Entertainment Inc. (Tokyo).

"Systems and methods for determining movement of a controller with respect to an HMD" was invented by Jeffrey Roger Stafford (Redwood City, Calif.) and Todd Tokubo (Newark, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for determining movement of a hand-held controller (HHC) with respect to a head-mounted display (HMD) are described. A camera is located at a lower region of the HMD for capturing images of the HHC. The images of the HHC are used to determine a position and an orientation of the HHC with reference to the HMD. Also, the came...