LIQUID DISCHARGE DEVICE

To provide a liquid discharge device which can detect abnormality including waveform deformation such as rounding, waveform distortion of drive voltage waveform and so on.SOLUTION: A liquid discharge device has: a recording head comprising a piezoelectric element for discharging a liquid, as droplet...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	INOUE KOSUKE, TSUKAGOSHI TOSHIHIRO, HIDA KATSUHIRO, MIZUTANI TOMOHIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	To provide a liquid discharge device which can detect abnormality including waveform deformation such as rounding, waveform distortion of drive voltage waveform and so on.SOLUTION: A liquid discharge device has: a recording head comprising a piezoelectric element for discharging a liquid, as droplet, from a nozzle port according to application of drive voltage waveform; plural drive voltage waveform generating parts which generate drive voltage waveform applied to the piezo electric element; a drive voltage waveform comparison part which compares respective drive voltage waveforms generated by different drive voltage waveform generating parts; and a control part which determines existence or absence of drive voltage waveform abnormality on the basis of the comparison result in the drive voltage waveform comparison part.SELECTED DRAWING: Figure 6 【課題】駆動電圧波形のなまりや波形歪などの波形の変形を含む異常を検出できる液体吐出装置を提供する。【解決手段】駆動電圧波形の印加に応じてノズル口から液体を液滴として吐出させる圧電素子を備える記録ヘッドと、圧電素子に印加する駆動電圧波形を生成する複数の駆動電圧波形生成部と、異なる駆動電圧波形生成部が生成した各駆動電圧波形同士を比較する駆動電圧波形比較部と、駆動電圧波形比較部における比較結果に基づいて駆動電圧波形の異常の有無を判断する制御部と、を有する液体吐出装置による。【選択図】図６