ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,653, issued on Feb. 10, was assigned to Sony Interactive Entertainment Inc. (Tokyo).
"Device including plurality of markers" was invented by Kenzo Nishikawa (Tokyo) and Takanori Minamino (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An input device includes a case body and a plurality of markers 30d, 30e, and 30p configured to emit light to the outside of the case body. When an angle difference between the normal directions of the two markers 30d and 30e is less than a predetermined threshold value, a distance between the two markers 30d and 30e is equal to or greater than a predetermined first distance. When an angle difference be...