Method and device for controlling objects in synchonicity with a moving material web
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United States of America Patent
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Issued Date -
Sep 15, 2005
app pub date -
Jan 7, 2005
filing date -
Jan 8, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for controlling objects in synchronicity with a moving material web comprising the following method steps: Printing a mark pattern onto the material web, the mark pattern consisting of elements having different brightness values and/or color contrasts and being arranged one behind the other in the web travel direction; detecting the differences in brightness and/or color contrast existing as a result of the printed mark pattern in the web travel direction for the purpose of identification; comparing the mark pattern that is printed on the material web and is detected to a predetermined mark pattern; and emitting a control signal according to the result of the comparison carried out.
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