Head drive controller and liquid discharge apparatus

A head drive controller to drive a head to discharge a liquid, the head drive controller includes a drive waveform generator configured to generate a drive voltage waveform to drive the head, a switch coupled to the head and the drive waveform generator, the switch configured to select passing or no...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Kida, Hitoshi
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 head drive controller to drive a head to discharge a liquid, the head drive controller includes a drive waveform generator configured to generate a drive voltage waveform to drive the head, a switch coupled to the head and the drive waveform generator, the switch configured to select passing or non-passing of the drive voltage waveform generated by the drive waveform generator to the head. The drive voltage waveform includes a first expansion waveform element to expand a pressure chamber in the head, and a second expansion waveform element to expand the pressure chamber, the second expansion waveform element having a slew rate smaller than a slew rate of the first expansion waveform element.