The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 2009
Filed:
Sep. 14, 2005
Kenichi Kodama, Kanagawa, JP;
Toshiya Kojima, Kanagawa, JP;
Kazuo Sanada, Kanagawa, JP;
Tsuyoshi Mita, Kanagawa, JP;
Seiichiro Oku, Kanagawa, JP;
Kanji Nagashima, Kanagawa, JP;
Kenichi Kodama, Kanagawa, JP;
Toshiya Kojima, Kanagawa, JP;
Kazuo Sanada, Kanagawa, JP;
Tsuyoshi Mita, Kanagawa, JP;
Seiichiro Oku, Kanagawa, JP;
Kanji Nagashima, Kanagawa, JP;
Fujifilm Corporation, Tokyo, JP;
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.