Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2011-03-22
2011-03-22
Lee, Thomas D (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S504000, C358S406000
Reexamination Certificate
active
07911645
ABSTRACT:
In order to adjust density of a colorant of an image forming apparatus, a plurality of adjustment condition data sets is provided. An image forming engine of the image forming apparatus forms a test pattern image of a test pattern using the colorant. A detector of the image forming apparatus detects a density level of the colorant from the test pattern image to output a detected density. A controller of the image forming apparatus selects one of the plurality of adjustment condition data sets as a selected adjustment condition data set, and performs density adjustment according to the selected adjustment condition data set.
REFERENCES:
patent: 5539523 (1996-07-01), Nakai et al.
patent: 61-160771 (1986-07-01), None
patent: 2005286625 (2005-10-01), None
patent: 2006-79001 (2006-03-01), None
Brinich Stephen M
Dickstein & Shapiro LLP
Lee Thomas D
Ricoh & Company, Ltd.
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