Method of generating halftone print data for overlapping end...

Details Method of generating halftone print data for overlapping end... Method of generating halftone print data for overlapping end...

2006-05-16

2006-05-16

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S013000, C358S001900, C358S534000

Reexamination Certificate

active

07044585

ABSTRACT:
A method of generating halftone print data for overlapping end portions of a pair of consecutive printhead chips includes the step of generating continuous tone print data for an array of the printhead chips. An initial dither matrix to be applied to the continuous tone print data is generated. Overlap data representing an extent of overlap of the end portions is generated. The overlap data is applied to the initial dither matrix with a summation means to generate an output value. The output value is applied to the continuous tone print data.

REFERENCES:
patent: 4272771 (1981-06-01), Furukawa
patent: 5717448 (1998-02-01), Inada
patent: 6464332 (2002-10-01), Silverbrook
patent: 6834932 (2004-12-01), Silverbrook et al.

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