MULTI-SOURCE SENSOR FOR ONLINE CHARACTERIZATION OF WEB PRODUCTS AND RELATED SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Dec 7, 2011
filing date -
Dec 7, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system includes a first sensor unit having multiple solid-state light sources each configured to generate light at one or more wavelengths, where different light sources are configured to generate light at different wavelengths. The first sensor unit also includes a mixer configured to mix the light from the light sources and to provide the mixed light to a web being sampled. The first sensor unit further includes a controller configured to control the generation of the light by the light sources. The system also includes a second sensor unit comprising a detector configured to measure mixed light that has interacted with the web. The second sensor unit could also include a second controller configured to determine one or more characteristics of the web (such as moisture content and fiber weight) using measurements from the detector.
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