ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,474, issued on Jan. 13, was assigned to University of Nottingham Ningbo China (Ningbo, China) and Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute (Ningbo, China).

"Method, apparatus and system for motion tracking" was invented by Boon Giin Lee (Ningbo, China), Renjie Wu (Ningbo, China), Matthew Pike (Ningbo, China) and Xiaoqing Chai (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a method, apparatus and system for motion tracking. The method includes: acquiring inertia information and pace ranging information of feet of a target object; determining step length information...