Image forming apparatus and density detection pattern...

Electrophotography – Control of electrophotography process – Of plural processes

Reexamination Certificate

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C399S072000

Reexamination Certificate

active

07027748

ABSTRACT:
In an image forming apparatus which forms an image on an image carrier, a predetermined density pattern is segmented into a plurality of blocks to generate the plurality of blocks. The density patterns of the plurality of generated blocks are controlled to be formed on the image carrier so as not to superpose the density patterns in two successive turns of the image carrier.

REFERENCES:
patent: 6298586 (2001-10-01), Todome
patent: 6408156 (2002-06-01), Miyazaki et al.
patent: 6512898 (2003-01-01), Funatani
patent: 6911993 (2005-06-01), Nishikawa et al.
patent: 2001/0010533 (2001-08-01), Kanno
patent: 2002/0186980 (2002-12-01), Tsuruya et al.
patent: 2003/0044190 (2003-03-01), Nakayama
patent: 2005/0185856 (2005-08-01), Nakajima

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