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Fujitsu Ltd
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Fujitsu Ltd
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Application filed by Fujitsu LtdfiledCriticalFujitsu Ltd
Priority to JP10787477ApriorityCriticalpatent/JPS5442606A/en
Publication of JPS5442606ApublicationCriticalpatent/JPS5442606A/en
PURPOSE: To reduce the drive current and the drive voltage of a D.C. motor by arranging multiple number of armature on a common shaft and bariably controlling the torque constant with switch control of the field excitation for each armature.