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.

Date of Patent:
Mar. 06, 2012

Filed:

Oct. 16, 2008
Applicants:

Masahito Katada, Kanagawa-ken, JP;

Atsushi Murakami, Ebina, JP;

Inventors:

Masahito Katada, Kanagawa-ken, JP;

Atsushi Murakami, Ebina, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

An inkjet recording apparatus has: a pressure control device which controls a liquid movement device in accordance with determination results of a first pressure determination device and a second pressure determination device in such a manner that interiors of a first liquid chamber and a second liquid chamber respectively assume prescribed pressures, wherein the pressure control device controls the liquid movement device so as to adjust the internal pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed pressure differential between the internal pressures of the first liquid chamber and the second liquid chamber is produced and a prescribed back pressure is applied to the liquid inside a plurality of nozzles of a recording head.


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