Sheet counting method and apparatus
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United States of America Patent
Stats
-
Mar 10, 1981
Grant Date -
N/A
app pub date -
Sep 12, 1979
filing date -
Sep 15, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of countng a succession of sheets passing along a flow line (the sheets being normally spaced but including some overlapping sheets), comprises determining the position of a double thickness in relation to the total length of the sheet in the flow direction. A count of two is added to the count of sheets if the double thickness is found to be symmetrically placed in relation to the total length of the sensed 'sheet' and has a length consistent with the amount by which two single sheets would have to overlap to have a total length equal to the sensed 'sheet' length. If these requirements are not met, depending on the results of the measurements either a count of one is added or an error signal is generated.
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Cited Art Landscape
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