tifying the position in three dimensions of a movable object such as a sensor or a tool carried by a robotUS5801834May 17, 1996Sep 1, 1998Danielson; Glen C.Vehicle straightener measuring unit, measuring apparatus reliant on reflected beam(s), and source, targets and method* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS6662083 *Oct 29, 2001Dec 9, 2003Progres