Liquid ejection head and image forming apparatus comprising...

Details Liquid ejection head and image forming apparatus comprising... Liquid ejection head and image forming apparatus comprising...

2005-09-14

2009-11-17

Do, An H (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S059000

Reexamination Certificate

active

07618129

ABSTRACT:
The liquid ejection head includes: a nozzle plate which has a plurality of ejection apertures through which a liquid is ejected; a plurality of pressure chambers which are connected respectively to the ejection apertures; a plurality of liquid supply flow channels which supply the liquid respectively to the pressure chambers; a common liquid chamber which supplies the liquid to the liquid supply flow channels; a plurality of pressure generating devices which respectively deform the pressure chambers; and a plurality of electrical wires which supply drive signals to the pressure chamber generating devices, wherein the electrical wires are provided so as to pass through the common liquid chamber.

REFERENCES:
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patent: 2002/0080215 (2002-06-01), Sakaida et al.
patent: 2003/0103118 (2003-06-01), Watanabe et al.
patent: 2003/0122902 (2003-07-01), Sakaida et al.
patent: 2003/0156164 (2003-08-01), Sakaida et al.
patent: 2004/0041885 (2004-03-01), Hirota
patent: 2004/0090498 (2004-05-01), Sakaida et al.
patent: 2001-334661 (2001-12-01), None
patent: 2002-166543 (2002-06-01), None

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