Ink jet recording method and ink jet recording apparatus

Details Ink jet recording method and ink jet recording apparatus Ink jet recording method and ink jet recording apparatus

2007-02-06

2007-02-06

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C034S059000

Reexamination Certificate

active

10995105

ABSTRACT:
The ink jet recording method and apparatus apply an electrostatic force to ink including one or more charged fine particle components, eject ink droplets from ejection ports of ejection portions of an ink jet head, form at least one dot at an ejection frequency f on a recording medium and record an image thereon. The method and apparatus set an application time period of a drive voltage for ejecting the ink droplets upon ejection restart after ejection stop to a time period of 1/f or longer for at least one ejection portion, and apply the drive voltage to at least one ejection electrode of the ejection portions for the time period of 1/f or longer.

REFERENCES:
patent: 4684957 (1987-08-01), Miura et al.
patent: 5717448 (1998-02-01), Inada
patent: 6158844 (2000-12-01), Murakami et al.

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