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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP8840777ApriorityCriticalpatent/JPS5424071A/en
Publication of JPS5424071ApublicationCriticalpatent/JPS5424071A/en
PURPOSE: To realize display having small errors even with small output by applying rectified output voltage into Hall element and multiplying it by AC magnetic field of output current.