Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazunori Masuda0
Date of Patent
August 21, 2007
0Patent Application Number
109956030
Date Filed
November 23, 2004
0Patent Primary Examiner
Patent abstract
A recording apparatus controlling amount of ink discharge due to variations of a recording head. The recording head is provided with a reference voltage source for setting an output voltage of a head drive power source so as to provide a characteristic of voltage from the reference voltage source. A head drive power source circuit provided on the recording apparatus changes voltage of a head drive by comparing the reference voltage and output voltage from the power source circuit.
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