ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,726, issued on March 25, was assigned to NATIONAL TSING HUA UNIVERSITY (Hsinchu, Taiwan).

"Robot and robot hand-eye calibrating method" was invented by Jen-Yuan Chang (Hsinchu County, Taiwan) and Chun-Tse Lee (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot for interacting with a target object includes a robotic manipulator, a calibrating image, a camera and a processor. The robotic manipulator corresponds to a robotic manipulator coordinate. The calibrating image is disposed on the robotic manipulator. The camera corresponds to a camera coordinate and for shooting the target object and generating a picture. The processor is ...