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Ricoh Co Ltd
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Ricoh Co Ltd
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Application filed by Ricoh Co LtdfiledCriticalRicoh Co Ltd
Priority to JP10404677ApriorityCriticalpatent/JPS5437706A/en
Publication of JPS5437706ApublicationCriticalpatent/JPS5437706A/en
PURPOSE: To prevent the occurrence of beats, improve recording quality, and obtain stable recording bias current by making combined use of a pulse generator used in a pulse drive control type servo motor and a recording bias generator.