Method and apparatus for locating center of reference pulse in a measurement system
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United States of America Patent
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Dec 9, 1986
Issued Date -
N/A
app pub date -
Oct 17, 1984
filing date -
Sep 29, 1982
priority date (Note) -
Expired
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Abstract
A method and apparatus are disclosed for determining the spatial coordinates of a workpiece including: a planar light source for illuminating the workpiece; an electronic imaging device adapted to view the intersection of the planar light and the workpiece; pulse signals including pulses representative of said intersections; and a device for determining the centroid of the pulse by integrating the pulse signal over a selected interval including the pulse, integrating the result of the first integration in like manner and dividing the result of the second integration by the result of the first integration.
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