Edge detector
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United States of America Patent
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May 18, 2004
Grant Date -
N/A
app pub date -
Feb 26, 2002
filing date -
Aug 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of detecting the passage of an edge of a moving sheet of material at a position comprising: monitoring a state of motion at a position; and determining a time of an edge of the sheet at a position as a time at which a change in a state of motion at the position is detected.
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