Sheet feeding or delivering – Feeding – By means to convey sheet
Reexamination Certificate
2006-11-10
2011-10-11
Bollinger, David H (Department: 3653)
Sheet feeding or delivering
Feeding
By means to convey sheet
C271S275000, C271S198000, C271S202000
Reexamination Certificate
active
08033546
ABSTRACT:
A belt drive controller for controlling each belt stopping position with high accuracy during intermittent movement of a belt. This belt drive controller controls driving of a belt to intermittently move a belt wrapped around a plurality of supporting rollers including a driven roller and a drive roller. This controller detects a rotation angular displacement or a rotation angular velocity of two supporting rollers having mutually different diameters, and controls driving of the drive roller based on the detected rotation data so that the position of the belt in the direction of movement becomes a predetermined target position.
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Imai Satoshi
Koide Hiroshi
Matsuda Hiromichi
Takahashi Minoru
Bollinger David H
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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