LIQUID EJECTION APPARATUS AND PRINT HEAD

A liquid ejection apparatus includes a control circuit, a drive signal output circuit that outputs a drive signal, and a print head that ejects a liquid, in which the print head includes a piezoelectric element that is driven by receiving the drive signal, a pressure chamber substrate that is provid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ITO, Sukehiro, KAWAKAMI, Masayuki
Format:	Patent
Sprache:	eng
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:	A liquid ejection apparatus includes a control circuit, a drive signal output circuit that outputs a drive signal, and a print head that ejects a liquid, in which the print head includes a piezoelectric element that is driven by receiving the drive signal, a pressure chamber substrate that is provided with a plurality of pressure chambers of which volumes change due to deformation, a switch circuit that switches whether or not to supply the drive signal to the piezoelectric element, a wiring substrate that is provided with the switch circuit, and a temperature detection portion that detects temperature information of the pressure chamber, and the temperature information detected by the temperature detection portion in a period in which the switch circuit does not supply the drive signal to the piezoelectric element is input to the control circuit.