Drive control device and image forming apparatus

Details Drive control device and image forming apparatus Drive control device and image forming apparatus

2006-06-29

2008-12-02

Chen, Sophia S (Department: 2852)

Electrophotography

Image formation

Transfer

C399S167000, C399S302000

Reexamination Certificate

active

07460820

ABSTRACT:
A drive control device controls a rotation speed of a rotatable member. A rotation drive member drives the rotatable member. A plurality of objects to be detected are provided in the rotatable member. A detector detects the objects to be detected, which are rotating with rotation of the rotatable member, and outputs a detection signal. A control part detects an angular speed of the rotatable member in accordance with the detection signal, and controls a rotation speed of the rotation drive member. The control part calculates an amount of error in intervals of the objects to be detected, and controls the rotation speed of the rotation drive member in accordance with the amount of error.

REFERENCES:
patent: 7263321 (2007-08-01), Inui et al.
patent: 2002/0012549 (2002-01-01), Oku
patent: 2003/0002887 (2003-01-01), Imaizumi et al.
patent: 2004/0184828 (2004-09-01), Bannai et al.
patent: 2006/0153604 (2006-07-01), Matsuda et al.
patent: 2000-047547 (2000-02-01), None
patent: 2004-205717 (2004-07-01), None
Machine translation of JP 2000-047547 A dated Mar. 17, 2008.
Machine translation of JP 2004-205717 A dated Mar. 17, 2008.

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