Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshio Miyazawa0
Ryutaro Kusunoki0
Tomoka Takanose0
Date of Patent
March 23, 2010
0Patent Application Number
117589040
Date Filed
June 6, 2007
0Patent Primary Examiner
Patent abstract
An inkjet recording apparatus comprises an inkjet recording head, an ink-testing unit having an ink-test chamber, a pressure-vibration generating unit that generates a pressure vibration in the ink-test chamber, a pressure-vibration detecting unit that detects the pressure vibration, an ink inlet that introduces ink into the ink-test chamber and an ink outlet through which ink is discharged from the ink-tester chamber. Failures of ink ejection can be prevented by detecting cavitation cores by the ink-test chamber and removing ink containing the cavitation cores from ink supplied to the inkjet recording head.
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