ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,995, issued on June 17.

"Method for preventing fall of operator, controller, safety belt and storage medium" was invented by Ke Wang (Kunming, China), Enxin Xiang (Kunming, China), Jing Peng (Kunming, China), Hao Yang (Kunming, China), Xianping Zhao (Kunming, China), Xiangyu Tan (Kunming, China) and Mingxian Liu (Kunming, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a method for preventing a fall of an operator, a controller, a safety belt and a computer-readable storage medium. The method for preventing a fall of an operator includes obtaining magnetic field information of the safety belt body worn by the o...