Coordinate measuring apparatus having a stylus friction compensating means
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United States of America Patent
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Feb 11, 1992
Grant Date -
N/A
app pub date -
Feb 22, 1990
filing date -
Feb 22, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A digitize control apparatus having a measuring function of the present invention determines a correct contact point between a stylus and a model on the basis of the displacement vector of a stylus obtained by a scanning head and a position vector indicating a machine coordinate value obtained by a position detecting apparatus, and therefore the influence of friction generated between a stylus and a model can be removed, thereby reducing error in the measurements.
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