Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Martin McNestry0
Steven John Buckby0
Steven Robert Brown0
Date of Patent
October 13, 2009
Patent Application Number
11390645
Date Filed
March 28, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus for maintaining an inkjet printer printhead in a working state, the printer defining an array of orifices from which in use jets of ink are projected. The apparatus may have a means for applying a pressure pulse to ink with the printhead sufficient to discharge ink from each orifice when not in use to project ink. The pressure pulse may have a relatively rapidly rising leading edge and a relatively slow falling trailing edge.
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