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:
Oct. 06, 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 a thermal actuator for generating vapor bubbles to eject ink through the nozzle; wherein, the thermal actuator has a pair of contacts and at least two parallel current paths between the contacts, each of the current paths having a plurality of heater elements for nucleating a vapor bubble.