Sheet feeder and document scanner having ejection detecting...

Details Sheet feeder and document scanner having ejection detecting... Sheet feeder and document scanner having ejection detecting...

2011-07-12

2011-07-12

Severson, Jeremy (Department: 3653)

Sheet feeding or delivering

Feeding and delivering

Sensor located at the delivering and controls the feeding

C271S065000, C271S212000, C399S374000

Reexamination Certificate

active

07976008

ABSTRACT:
A sheet feeder includes a feed tray receiving sheets, a catch tray receiving the sheets ejected thereon, a feeding mechanism conveying the sheets from the feed tray to the catch tray, an ejection mode switching mechanism switching an ejection mode between a first mode in which the sheets are sequentially ejected on a stack of sheets already ejected and a second mode in which the sheets are sequentially ejected and inserted under a stack of sheets already ejected, an ejection detecting sensor detecting a sheet ejected on the catch tray, and a controller configured to, in response to an instruction to start feeding the sheets, forbid driving of the feeding mechanism when determining that the ejection mode is set to the second mode and determining with the ejection detecting sensor that a sheet is on the catch tray.

REFERENCES:
patent: 5634632 (1997-06-01), Furuya et al.
patent: 7637497 (2009-12-01), Kusama
patent: 7665728 (2010-02-01), Kusama
patent: 7703764 (2010-04-01), Kusama
patent: 7717424 (2010-05-01), Sakakibara et al.
patent: 7762543 (2010-07-01), Matsushima
patent: 2006/0285902 (2006-12-01), Horaguchi
patent: 2007/0210512 (2007-09-01), Sakakibara et al.
patent: 2010/0079827 (2010-04-01), Matsushima
patent: 2010/0080639 (2010-04-01), Matsushima
patent: 2001-312106 (2001-11-01), None
patent: 2005-331820 (2005-12-01), None
patent: 2006-347684 (2006-12-01), None
patent: 2007-238252 (2007-09-01), None

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