ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,159, issued on July 15, was assigned to BEIJING KE YI TECHNOLOGY Co. LTD. (Beijing).

"Module-unit-position servo system and a control method therefor, and a modular robot" was invented by Jianbo Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of electronic products, more particularly to a module-unit-position servo system for detecting the position change between two rotating portions in a module unit of a modular robot; the module unit includes a position sensor disposed in any of the rotating portions and a pair of circumferentially rotatable motion pairs for connecting the two rot...