ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,317, issued on June 17, was assigned to SEIKO EPSON Corp. (Japan).
"Calibration method and robot system" was invented by Kentaro Tsukamoto (Azumino, Japan) and Kenji Matsuura (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method form performing calibration between a robot and a camera includes achieving a first state in which a criterion point of an image is captured with the camera, achieving a second state in which the camera is rotated by a first angle of rotation around a first imaginary axis passing through a control point at the arm, achieving a third state in which the criterion point is located at the center of the image ...