Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-03-23
2008-10-21
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S009000
Reexamination Certificate
active
07438373
ABSTRACT:
The liquid droplet ejection apparatus comprises: a plurality of ejection ports which eject droplets to form dots on a recording medium to form an image on the recording medium; and a droplet ejection control device which, if a time interval during which one of the ejection ports does not eject any droplet exceeds a prescribed time period, and if an effect on the image, when a dot that is to be formed by a droplet ejected from the one of the ejection ports after the prescribed time period has elapsed is a defective dot, exceeds a tolerance limit, then causes the one of the ejection ports to perform an additional ejection of a droplet to form a corrected dot, in such a manner that the droplet is correctly ejected to form the dot of which the effect on the image would exceed the tolerance limit.
REFERENCES:
patent: 6010205 (2000-01-01), Billet
patent: 6089693 (2000-07-01), Drake et al.
patent: 6565174 (2003-05-01), Kamoshida et al.
patent: 2002-240257 (2002-08-01), None
Birch & Stewart Kolasch & Birch, LLP
Fujifilm Corporation
Goldberg Brian J
Luu Matthew
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