Liquid ejecting method and apparatus therefor

Details Liquid ejecting method and apparatus therefor Liquid ejecting method and apparatus therefor

2004-12-09

2008-09-02

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S006000

Reexamination Certificate

active

07419235

ABSTRACT:
A liquid ejecting method can eject liquid from a liquid ejecting head, the liquid ejecting head including a liquid chamber for storing liquid to be ejected, an ejection outlet in fluid communication with the liquid chamber, a liquid chamber volume controller for changing a volume of the liquid chamber, and an outer surface through which the ejection outlet is open. The method includes, in each ejection period in which the liquid is ejected through the ejection outlet, a first expansion step of expanding a volume of the liquid chamber; a first contraction step of reducing the volume of the liquid chamber after the first expansion step; a second expansion step of expanding, after start of the contraction step, the volume of the liquid chamber before a leading end of a column of the liquid projects outside beyond the outer surface.

REFERENCES:
patent: 5371520 (1994-12-01), Kubota
patent: 5521619 (1996-05-01), Suzuki et al.
patent: 6312077 (2001-11-01), Araki
patent: 2003/0122889 (2003-07-01), Okuda
patent: 1 004 441 (2000-05-01), None
patent: 1 177 896 (2002-02-01), None
patent: 2000-158651 (2000-06-01), None
Korean Office Action, issued Feb. 8, 2007, in Korean Patent Application No. 10-2004-0105216.
European Office Action, issued Jan. 25, 2007, in European Patent Application No. 04 257 761.9.

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