Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-06-06
2006-06-06
Feggins, K. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
07055928
ABSTRACT:
An image forming apparatus includes an alignment pattern and an alignment pattern detector that detects the alignment pattern. The alignment pattern is formed in such a manner that a line image of a reference color and a line image of a color other than the reference color are superposed on each other with a predetermined shift amount. An acceptance width of the alignment pattern detector is determined so that the acceptance width satisfies a relation with a writing density of the image forming apparatus and a line width of the alignment pattern, as follows:in-line-formulae description="In-line Formulae" end="lead"?[acceptance width]>[line width]/(5.0627×[writing density (dpi)]−0.5331).in-line-formulae description="In-line Formulae" end="tail"?
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Patent Abstracts of Japan, JP 06-001002, Jan. 11, 1994.
Ishibashi Hitoshi
Sawayama Noboru
Feggins K.
Garcia, Jr. Rene
Ricoh & Company, Ltd.
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