Method and device for measuring width direction end position of stripe body, and method and device for measuring width direction center position of stripe body
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United States of America Patent
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Feb 9, 2010
Grant Date -
Apr 24, 2008
app pub date -
Sep 12, 2005
filing date -
Nov 8, 2004
priority date (Note) -
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Abstract
L. If the time from the sending of the microwaves until the receiving of the reflected waves is designated as t, and the velocity of the microwaves is designated as c, then the distance to the object reflecting the microwaves is determined from t·c/2. It is possible to provide a method for measuring the width-direction end position of a material strip with which noise and atmosphere have little effect, installation is easy, and there is little mechanical interference with the material strip.
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