ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,491, issued on March 31, was assigned to ZHEJIANG HUARAY TECHNOLOGY Co. LTD. (Hangzhou, China).

"Methods, systems, and devices for motion control of at least one working head" was invented by Shang Zhou (Hangzhou, China), Kai Wang (Hangzhou, China), Yu Liu (Hangzhou, China), Lu Zhou (Hangzhou, China) and Ming Li (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a method for motion control of at least one working head. The method may include obtaining a target region of a subject based on a scan of a high-precision measuring device. The method may also include determining depth information corresponding ...