In the context of a machine-vision system for inspecting a part, a method and apparatus to provide high-speed 3D (three-dimensional) inspection of manufactured parts. Parts are inspected to obtain dimensional and geometric information regarding such characteristics as sag or bow of subportions of the...http://www.google.de/patents/US6501554?utm_source=gb-gplus-sharePatent US6501554 - 3D scanner and method for measuring heights and angles of manufactured parts