Image forming apparatus using speed reduction device with...

Details Image forming apparatus using speed reduction device with... Image forming apparatus using speed reduction device with...

2006-07-24

2009-12-08

Gray, David M (Department: 2852)

Electrophotography

Image formation

Photoconductive member

Reexamination Certificate

active

07630668

ABSTRACT:
In an image forming apparatus using a speed reduction device with elastic bodies, the rotational speed of a motor is reduced by the speed reduction device using the elastic bodies. The rotational speed of the speed reduction device is detected by an output rotation sensor, and the rotational variation components contained in the rotational speed are extracted by a high path filter. A voltage comparator determines whether the rotational variation components reach a predetermined voltage value or lower, and causes an image writing control unit to wait to write image data on a rotating drum until the rotational variation components reach the predetermined voltage value.

REFERENCES:
patent: 4723145 (1988-02-01), Takada et al.
patent: 2001183888 (2001-07-01), None
patent: 2002-115751 (2002-04-01), None
patent: 2002-171779 (2002-06-01), None
Translation of Imamura (JP2002-171779).

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