Automatic document feeder

A sensor (SEN6a) is provided for detecting a presence of a document sheet at a specified position during a transit path of document sheets supplied. According to detection output from this sensor (SEN6a), a continuous presence time of a document sheet is obtained, and if the continuous presence time...

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Bibliographic Details
Main Authors MOROOKA, TORU, OKAMOTO, YUJI
Format Patent
LanguageEnglish
French
German
Published 11.01.1995
Edition5
Subjects
CINEMATOGRAPHY
CONVEYING
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
HOLOGRAPHY
MAGNETOGRAPHY
PACKING
PERFORMING OPERATIONS
PHOTOGRAPHY
PHYSICS
STORING
TRANSPORTING
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Summary:A sensor (SEN6a) is provided for detecting a presence of a document sheet at a specified position during a transit path of document sheets supplied. According to detection output from this sensor (SEN6a), a continuous presence time of a document sheet is obtained, and if the continuous presence time obtained is longer than the continuous document presence time obtained last time, this is regarded as an indication of a multiple feed of document sheets, and the feeding of document sheets is stopped.
Bibliography:Application Number: EP19910116463