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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Filing date
Publication date
Application filed by Matsushita Electric Industrial Co LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Priority to JP50062405ApriorityCriticalpatent/JPS51137404A/en
Publication of JPS51137404ApublicationCriticalpatent/JPS51137404A/en
PURPOSE: To keep tape tension always at a predetermined level by detecting movement of a tension arm from a predetermined position and controlling a reel motor drive circuit through a motor torque control circuit.