OUTPUT CONTROL DEVICE FOR DOT PRINTER HEAD

PURPOSE:To reduce printing noise when a printing mode of high dot density is selected. CONSTITUTION:A printing mode is selected by operating a control means 2 to output electrification time data corresponding to the printing mode from a printing mode setting unit 3, whereby the electrification time...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUSHITA TAKESHI, WADA YUTAKA, KIKUCHI SHIGEMI
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:	PURPOSE:To reduce printing noise when a printing mode of high dot density is selected. CONSTITUTION:A printing mode is selected by operating a control means 2 to output electrification time data corresponding to the printing mode from a printing mode setting unit 3, whereby the electrification time of head electrification signal outputted from a head driver 7 to a drive coil 8 of a dot printer head 9 is controlled by means of an electrification time controller 6 based on said data. When a printing mode of high dot density is selected, the electrification time to the coil 8 is reduced to make printing energy smaller, thereby lowering noise level.