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. 23, 2009
Filed:
Oct. 11, 2005
Applicants:
Matthew Taylor Worsman, Balmain, AU;
Mehdi Azimi, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Inventors:
Assignee:
Silverbrook Research Pty Ltd, Balmain, New South Wales, AU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/05 (2006.01); B41J 2/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inkjet printhead comprising: an array of ink chambers, each having a nozzle and an actuator for ejecting ink through the nozzle; wherein during use, the actuator initiates a quadrupole pressure pulse that is symmetrical about two orthogonal axes parallel to the plane of the nozzle, the orthogonal axes intersecting a mutually orthogonal axis extending through the center of the nozzle.