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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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP5634377ApriorityCriticalpatent/JPS53142748A/en
Publication of JPS53142748ApublicationCriticalpatent/JPS53142748A/en
PURPOSE: To prevent the troubles of control apparatus and the dangers of passengers, by monitoring the voltage of a generator to detect the abnormality of an elevator and to perform emergency stop.
COPYRIGHT: (C)1978,JPO&Japio
JP5634377A1977-05-181977-05-18Device of detecting trouble of elevator
PendingJPS53142748A
(en)