Image recording apparatus

Sheet feeding or delivering – Feeding and delivering

Reexamination Certificate

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Details

C271S003150, C271S003170, C271S003180, C271S003200

Reexamination Certificate

active

07621518

ABSTRACT:
An image recording apparatus includes a record unit; a first roller provided upstream of the record unit; a second roller provided downstream of the record unit; a motor which drives the first and second rollers; a first drive signal generation unit which generates a first drive signal based on a first rotation amount of the first roller and a first target rotation amount; a correction value generation unit which generates a correction value based on the first rotation amount and a second rotation amount of the second roller; a target value generation unit which generates a second target rotation amount based on the first target rotation amount and the correction value; a second drive signal generation unit which generates a second drive signal based on the second target rotation amount and the second rotation amount; and a controller which controls the motor by the first drive signal until a conveyed sheet reaches a position and controls the motor by the second drive signal thereafter.

REFERENCES:
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patent: 6598869 (2003-07-01), Johnson et al.
patent: 6783290 (2004-08-01), Sussmeier
patent: 2006/0250468 (2006-11-01), Nakamura
patent: 2006/0279597 (2006-12-01), Ishimoto et al.
patent: 2007/0018386 (2007-01-01), Maruyama et al.
patent: 2007/0031175 (2007-02-01), Takeda et al.
patent: 2007/0229565 (2007-10-01), Imai
patent: 2004-123313 (2004-04-01), None
patent: 2006-82425 (2006-03-01), None
patent: 2006-224380 (2006-08-01), None
patent: 2006-346938 (2006-12-01), None
patent: 2007-63016 (2007-03-01), None

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