Multi-pass print apparatus and method

Details Multi-pass print apparatus and method Multi-pass print apparatus and method

2007-12-04

2007-12-04

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S015000

Reexamination Certificate

active

11406265

ABSTRACT:
A multi-pass printing apparatus and a method thereof are provided. The print data is divided into multiple passes of print data. Each of the print passes is printed according to different delay position signals, such that a complete print output is achieved. Each pass of the print data to be printed corresponds to multiple pixels, and the pixels corresponding to each pass of print data to be printed are obtained by a complementary mask method, or by classifying the pixels with a same remainder got by dividing the horizontal positions of the print data with the number of the M passes into a same group.

REFERENCES:
patent: 4748453 (1988-05-01), Lin et al.
patent: 4999646 (1991-03-01), Trask
patent: 5633663 (1997-05-01), Matsubara et al.
patent: 6309041 (2001-10-01), Richtsmeier et al.
patent: 6328400 (2001-12-01), Yonekubo et al.

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