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:
Nov. 11, 2014

Filed:

Mar. 28, 2013
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Osamu Shinkawa, Chino, JP;

Masahiko Yoshida, Shiojiri, JP;

Toshiyuki Suzuki, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01); B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
B41J 29/393 (2013.01); B41J 2/16579 (2013.01);
Abstract

A liquid emission apparatus having a head provided with a plurality of nozzles which each emits liquid, the liquid emission apparatus being configured to emit liquid from the nozzles by applying a driving signal to the driver elements, the liquid emission apparatus being configured to apply the driving signal to the driver elements so as to obtain a plurality of detected signals, to decide whether one of the nozzles corresponding to one of the driver elements is causing a malfunction in liquid emission on the basis of one of detected signals, to drive the driver element corresponding to the nozzle again upon the nozzle having caused a malfunction in liquid emission, and to omit to drive the driver element corresponding to the nozzle upon the nozzle having caused no malfunction in liquid emission.


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