JPS52118214A - Safety device of motor driving circuit - Google Patents

Safety device of motor driving circuit

Info

Publication number
JPS52118214A
JPS52118214A JP3446976A JP3446976A JPS52118214A JP S52118214 A JPS52118214 A JP S52118214A JP 3446976 A JP3446976 A JP 3446976A JP 3446976 A JP3446976 A JP 3446976A JP S52118214 A JPS52118214 A JP S52118214A
Authority
JP
Japan
Prior art keywords
safety
driving circuit
motor driving
speed detector
motor
Prior art date
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.)
Pending
Application number
JP3446976A
Other languages
Japanese (ja)
Inventor
Shigeru Kuriyama
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 Ltd filed Critical Hitachi Ltd
Priority to JP3446976A priority Critical patent/JPS52118214A/en
Publication of JPS52118214A publication Critical patent/JPS52118214A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To raise a safety function of a control circuit in a case of a speed detector being damaged at a one performing a constant speed controlling of a motor using a speed detector.
COPYRIGHT: (C)1977,JPO&Japio
JP3446976A 1976-03-31 1976-03-31 Safety device of motor driving circuit Pending JPS52118214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3446976A JPS52118214A (en) 1976-03-31 1976-03-31 Safety device of motor driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3446976A JPS52118214A (en) 1976-03-31 1976-03-31 Safety device of motor driving circuit

Publications (1)

Publication Number Publication Date
JPS52118214A true JPS52118214A (en) 1977-10-04

Family

ID=12415099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3446976A Pending JPS52118214A (en) 1976-03-31 1976-03-31 Safety device of motor driving circuit

Country Status (1)

Country Link
JP (1) JPS52118214A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968209A (en) * 1972-11-08 1974-07-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968209A (en) * 1972-11-08 1974-07-02

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