ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,799, issued on June 23, was assigned to ABB SCHWEIZ AG (Baden, Switzerland).

"Method and apparatus for robot system management" was invented by Ye Tian (Shanghai), Xinyu Fang (Shanghai) and Jiafan Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatuses, systems, and computer readable media for determining a position of a tracking device. The tracking device includes a vision sensor and an inertial sensor. A first position of the tracking device in relative to a reference marker is obtained based on an image of the reference marker that is collected by the vison sensor. A second position of the tracking device in relative ...