Document handling and counting apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4761002
SERIAL NO

06820981

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatus for counting and stacking sheets in which document length and multiple fed sheets are detected by examining sheet transmissivity. The light directed through moving sheets fed one at a time through a sensor location is modulated according to sheet transmissivity. The signal for each sheet is compared against the signal for the prior sheet to determine the feeding of multiple sheets. Sheet length is determined through the use of a pair of sensors which provide for counting of sheets which may be fed in a skewed manner. A skew value is used to modify the value obtained when measuring document length to permit accurate counting of both skewed and unskewed sheets. Both hardware and software techniques are utilized to obtain the desired results.

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Patent Owner(s)

Patent OwnerAddress
DE LA RUE SYSTEMS AMERICAS CORP308 29TH STREET NE CEDAR RAPIDS IA 52406

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Loftus, Peter J Levittown, PA 34 393
Reed, John M Lebanon, NJ 17 592
Sherman, III William Medford, NJ 10 704

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