Electrophotography – Control of electrophotography process – Of plural processes
Reexamination Certificate
2011-07-12
2011-07-12
Brase, Sandra L (Department: 2884)
Electrophotography
Control of electrophotography process
Of plural processes
C399S044000
Reexamination Certificate
active
07978993
ABSTRACT:
A first calculating unit calculates an allocation time required for forming a patch pattern. A second calculating unit calculates a maximum patch-pattern length of the patch pattern that can be formed within the allocation time based on the number of patch patterns that can be formed within the allocation time. A setting unit calculates a difference between an environmental temperature around the image forming apparatus and an environmental temperature at which the image forming condition stored in the storing unit is set, and newly sets an image forming condition for the patch patterns based on a result of comparing the difference with a predetermined threshold.
REFERENCES:
patent: 6115561 (2000-09-01), Fukushima
patent: 6181888 (2001-01-01), Scheuer et al.
patent: 7113712 (2006-09-01), Gomi
patent: 7538918 (2009-05-01), Oki
patent: 7587149 (2009-09-01), Suzuki et al.
patent: 2008/0279599 (2008-11-01), Nagatsuka
patent: 2002-116586 (2002-04-01), None
patent: 3385495 (2003-01-01), None
patent: 3924375 (2007-03-01), None
Abstract of JP 11-258893 published on Sep. 24, 1999.
Abstract of JP 08-095460 published on Apr. 12, 1996.
Brase Sandra L
Harness & Dickey & Pierce P.L.C.
Ricoh Company Limited
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