Optics: measuring and testing – Contour plotting
Patent
1990-12-28
1992-04-14
Rosenberger, Richard A.
Optics: measuring and testing
Contour plotting
356376, G01B 1124, G01B 1130, G23K 912
Patent
active
051042169
ABSTRACT:
In the determination of the position and geometry of workpiece surfaces, especially weld grooves in automatic arc welding, the workpiece surface or a section thereof, is imaged from two different observation points onto two image pickups. This is so that mutually shifted images of the workpiece surface are reproduced on the two image pickups. This is as well as from the position and the spacing of the defined points of the workpiece surface on the two image pickups. The position of these defined points within the spatial coordinate system of the measuring device is calculated in order to then determine from the position of all calculated points the geometry of the workpiece surface as well as the position of the latter with respect to the observation system.
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"Autofokus aktuell: Schritte zur Scharfe", Fotoheft, vol. 8, Aug. 1985, by H. Gottfried, pp. 52-56.
IGM Industriegerate- und Maschinenfabriksgesellschaft mbH
Rosenberger Richard A.
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