Method and apparatus for calibrating a vision system to a parts handling device

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United States of America Patent

PATENT NO 7065892
APP PUB NO 20030059100A1
SERIAL NO

10102515

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
VEECO INSTRUMENTS INC1 TERMINAL DRIVE PLAINVIEW NY 11803

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fleming, Timothy J Apple Valley, MN 7 43
Hohn, Jeffrey J Carver, MN 4 19
Holloman, Christopher R Eden Prairie, MN 4 19
Miller, Charles N Apple Valley, MN 10 57
Wheeler, Steven E Northfield, MN 9 164

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