Overlapped conveyance detection apparatus for printing sheet

Details Overlapped conveyance detection apparatus for printing sheet Overlapped conveyance detection apparatus for printing sheet

2011-02-22

2011-02-22

Karmis, Stefanos (Department: 3653)

Sheet feeding or delivering

Feeding

By means to convey sheet

C271S265020, C271S262000, C271S259000

Reexamination Certificate

active

07891663

ABSTRACT:
In an apparatus which detects overlapped conveyance of a printing sheet using ultrasonic wave attenuation, when a printing sheet with an IC tag is conveyed, the position of the IC tag on the printing sheet is acquired. By reference to the acquired IC tag position, overlapped conveyance detection is performed at a position which is not under the influence of the IC tag.

REFERENCES:
patent: 7526969 (2009-05-01), Schoen
patent: 2001/0042956 (2001-11-01), Minoru et al.
patent: 2004/0150155 (2004-08-01), Okitsu et al.
patent: 2008/0036139 (2008-02-01), Reyner et al.
patent: 2006106877 (2006-04-01), None
patent: 2006139582 (2006-06-01), None
patent: 2006248701 (2006-09-01), None
patent: 2006330459 (2006-12-01), None
Japanese Notice of Grounds for Rejection and English translation thereof, mailed on Jan. 26, 2010 relating to Japanese Patent Application No. 2007-257120.

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