Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-06-22
2008-11-18
Nguyen, Lamson D (Department: 2861)
Incremental printing of symbolic information
Ink jet
Controller
C347S041000, C358S003030
Reexamination Certificate
active
07452047
ABSTRACT:
A method of printing dots in an area on a page using a plurality of printing passes of a printhead over the area, includes processing continuous tone data through a halftoning mechanism to generate halftone image data; and processing the halftone image data through a plurality of error diffused shingling masks, each error diffused shingling mask of the plurality of error diffused masks being used once on a particular pass of the plurality of printing passes in printing the area.
REFERENCES:
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patent: 5995715 (1999-11-01), Berche et al.
patent: 6082849 (2000-07-01), Chang et al.
patent: 6124946 (2000-09-01), Norton
patent: 6508535 (2003-01-01), Klassen
patent: 6764162 (2004-07-01), Biddle et al.
patent: 6799823 (2004-10-01), Miquel et al.
Lexmark International Inc.
Nguyen Lamson D
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