Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 4, 2015
0Patent Application Number
142244960
Date Filed
March 25, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An inkjet printing apparatus includes a current source configured to be able to supply, to a resistance sensor, a constant current of the first constant current value and a constant current of the second constant current value larger than the first constant current value. A change of the resistance value of the resistance sensor is detected by switching the value of the constant current to be supplied to the resistance sensor between the first constant current value and the second constant current value a predetermined time after driving a heater to discharge an ink droplet.
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