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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP7748176ApriorityCriticalpatent/JPS534177A/en
Publication of JPS534177ApublicationCriticalpatent/JPS534177A/en
PURPOSE:To alarm a servo operation which is over the operation sphere by counting the decay time of counter pulse which is created from an induction when a direction command signal generates.
JP7748176A1976-06-301976-06-30Servo system abnormal detecting circuit
PendingJPS534177A
(en)