ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,323, issued on Oct. 14, was assigned to Industrial Technology Research Institute (Hsinchu, Taiwan).

"Motion force feedback device and motion force feedback method" was invented by Shih-Fang Yang Mao (Hsinchu County, Taiwan) and Cheng-Yen Tsai (Keelung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motion force feedback device and a motion force feedback method are provided. The method includes following steps of: measuring a position and a direction of an object in a space by an inertial measurement unit; measuring a velocity change of the object relative to an ambient fluid and a relative moving velocity of the ambient fluid in at least o...