Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 16, 2009
Patent Application Number
11832660
Date Filed
August 2, 2007
Patent Primary Examiner
Patent abstract
An ink jet printer includes a printhead drive unit and a cartridge. The cartridge includes the printhead controller. The printhead controller includes a plurality of inverters connected in series to constitute a operation circuit for receiving one or more control signals to control the enable status of the nozzle in order to determine whether to jet out the ink.
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