Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP13287275ApriorityCriticalpatent/JPS5257917A/en
Publication of JPS5257917ApublicationCriticalpatent/JPS5257917A/en
PURPOSE:A motor with few revolution drift, being fitted a reference voltage generator for comparing the speed electromotive force generated in a driving coil outside of an IC at a place where temperature is almost equal to that of a permanent magnet rotor.
JP13287275A1975-11-071975-11-07Small brushless motor
PendingJPS5257917A
(en)