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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP12434175ApriorityCriticalpatent/JPS5249552A/ja
Publication of JPS5249552ApublicationCriticalpatent/JPS5249552A/ja
Maintenance And Inspection Apparatuses For Elevators
(AREA)
JP12434175A1975-10-171975-10-17Trouble detecting system for excess-speed detecting apparatus which is used in elevator equipment
PendingJPS5249552A
(en)