Printing method and printing apparatus

Details Printing method and printing apparatus Printing method and printing apparatus

2006-12-18

2008-10-28

Nguyen, Lamson D. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C358S001900

Reexamination Certificate

active

07441856

ABSTRACT:
A printing method includes: at a certain timing, controlling a first drive element so that a dot can be formed for each pixel with a first number of gradations, and controlling a second drive element so that a dot can be formed for each pixel with a second number of gradations that is lower than the first number of gradations, the first drive element being driven to form a dot by ejecting an ink of a first color from a nozzle, and the second drive element being driven to form a dot by ejecting an ink of a second color that is different from the first color from a different nozzle; and at a different timing, controlling the first drive element so that a dot can be formed for each pixel with the second number of gradations.

REFERENCES:
patent: 7131713 (2006-11-01), Otsuka et al.
patent: 7152948 (2006-12-01), Kawatoko et al.
patent: 09-011457 (1997-01-01), None

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