Printing with limited types of dots

Details Printing with limited types of dots Printing with limited types of dots

2008-01-29

2008-01-29

Nguyen, Lamson (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C358S001900

Reexamination Certificate

active

10934321

ABSTRACT:
The present invention provides a printing control method of generating print data to be supplied to a print unit to print. The print unit comprises a print head having a plurality of nozzles and a plurality of ejection drive elements for ejecting an ink from the plurality of nozzles, and is capable of selectively forming one of N types of dots having different sizes at one pixel area with each nozzle. The print control method comprises a dot data generation step of generating dot data representing a state of dot formation at each pixel according to given image data. The dot data generation step includes a step of generating the dot data with a specific dot data generation step for at least a part of the ink types when a printing environment is a specific environment. Te specific dot data generation step includes a step of generating the dot data using only a part of dot types among the N types of dots.

REFERENCES:
patent: 4635078 (1987-01-01), Sakurada et al.
patent: 2000-001001 (2000-01-01), None
patent: 2001-158085 (2001-06-01), None
Abstract of Japanese Patent Publication No. 2000-001001, Pub. Date: Jan. 7, 2000, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2001-158085, Pub. Date: Jun. 12, 2001, Patent Abstracts of Japan.

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