Geometrical instruments – Gauge – With calibration device or gauge for nuclear reactor element
Reexamination Certificate
2006-06-27
2006-06-27
Smith, R. Alexander (Department: 2859)
Geometrical instruments
Gauge
With calibration device or gauge for nuclear reactor element
C073S001790
Reexamination Certificate
active
07065892
ABSTRACT:
A calibration method for calibrating a parts-handling device with respect to a computer vision camera includes the steps of moving a parts-handling device into contact with a touch-off block, and storing a value indicative of the position of the parts-handling device when it is in contact with the touch-off block. In addition, there may be two orthogonal surface on the touch-off block. By touching the parts-handling device against both surfaces, the parts-handling device can be calibrated for position offset in two orthogonal directions. For parts-handling devices that are rotatable, the parts-handling device may be rotated to a succession of predetermined angular positions and brought into contact with the touch-off block in each position. By combining the measured positions of the parts-handling device in each rotational position, the system can be calibrated to compensate for the offset from the camera to the parts-handling device as a function of rotational position as well.
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Fleming Timothy J.
Hohn Jeffrey J.
Holloman Christopher R.
Miller Charles N.
Wheeler Steven E.
Merchant & Gould P.C.
Smith R. Alexander
Veeco Instruments Inc.
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