Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2005-02-09
2008-09-02
Nguyen, Lam Son (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S014000, C347S015000
Reexamination Certificate
active
07419238
ABSTRACT:
The number of correction values used when carrying out a darkness correction line by line is decreased, thereby making it possible to reduce the storage capacity of a storage section storing those correction values. At least one set of correction values determined based on darkness measurement values of lines of a correction pattern printed using a given processing mode is stored, wherein an integer multiple of the number of lines formed in one period is taken as one set, and a darkness correction is carried out through repetitive, sequential correlation with each correction value of said at least one set when printing an image using that processing mode.
REFERENCES:
patent: 6076915 (2000-06-01), Gast et al.
patent: 6565180 (2003-05-01), Yu et al.
patent: 6-166247 (1994-06-01), None
Nguyen Lam Son
Seiko Epson Corporation
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