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:
Sep. 28, 2010
Filed:
May. 07, 2009
Simon Robert Walmsley, Balmain, AU;
Mark Jackson Pulver, Balmain, AU;
John Robert Sheahan, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Michael John Webb, Balmain, AU;
Simon Robert Walmsley, Balmain, AU;
Mark Jackson Pulver, Balmain, AU;
John Robert Sheahan, Balmain, AU;
Kia Silverbrook, Balmain, AU;
Michael John Webb, Balmain, AU;
Kia Silverbrook, Balmain, New South Wales, AU;
Abstract
A printhead is provided having an integrated circuit having at least one row including a plurality of sets of n adjacent nozzles, each of the nozzles being configured to expel ink in response to fire signals, and a controller for supplying the fire signals to the integrated circuit such that (a) a fire signal is provided to nozzles at a first and nth position in each set of nozzles, then (b) a fire signal is provided to the next inward pair of nozzles in each set, then in the event n is an even number, (b) is repeated until all of the nozzles in each set has been fired, or in the event n is an odd number, (b) is repeated until all of the nozzles but a central nozzle in each set have been fired, and then the central nozzle is fired.