Double-document detection arrangement
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United States of America Patent
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Sep 30, 1997
Grant Date -
N/A
app pub date -
Apr 17, 1996
filing date -
Dec 30, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for differentiating and separating multiple overlapped like documents from single like items, transported along a track comprising a suction device applying opposed vacuum forces to separate the documents at a separation station. Measuring and analyzing the resulting pressure differentials within the suction system by a pressure sensor to indicate whether single or multiple documents are passing.
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