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:
Jun. 29, 2010
Filed:
Aug. 09, 2004
Applicant:
Naoto Iwao, Nagoya, JP;
Inventor:
Naoto Iwao, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided an inkjet head printing device, which includes an inkjet head that has an ink flow channel unit including a plurality of nozzles for ejecting ink and a plurality of pressure chambers respectively provided for the plurality of nozzles, and has a piezoelectric actuator unit including a plurality of electrodes. The inkjet head further includes a pulse controller that generates a plurality of types of ejection pulse patterns having different phases and drives the plurality of electrodes corresponding to the plurality of nozzles which are to eject the ink using the plurality of types of ejection pulse patterns.