Printing method, printing apparatus, and head unit

Details Printing method, printing apparatus, and head unit Printing method, printing apparatus, and head unit

2006-12-01

2008-08-19

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S043000

Reexamination Certificate

active

07413274

ABSTRACT:
A printing method includes: preparing a drive element that corresponds to a nozzle, and a controller that drives the drive element so as to eject a liquid droplet from the nozzle, the controller having a first input section and a second input section; in the case of printing with a first number of gradations, driving the drive element based on a first signal and a second signal, by inputting the first signal to the first input section and inputting the second signal to the second input section; and in the case of printing with a second number of gradations that is lower than the first number of gradations, driving the drive element based on a first signal, by inputting the first signal to the first input section and inputting a signal of a constant potential to the second input section.

REFERENCES:
patent: 5889538 (1999-03-01), Kishimoto et al.
patent: 6024438 (2000-02-01), Koike et al.
patent: 9-011457 (1997-01-01), None

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