Web Measurement Device
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Aug 28, 2008
filing date -
Aug 31, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A sensor is provided that measures web caliper using optical and magnetic measuring devices. The optical measuring devices may employ a confocal chromatic aberration method to accurately determine the distance to the moving web and the magnetic devices may be ferrite core coil and target. Means of stabilizing a moving web are included for improving dynamic measurement accuracy.
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Cited Art Landscape
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