JPS52131438A - Multiplication driving system - Google Patents

Multiplication driving system

Info

Publication number
JPS52131438A
JPS52131438A JP4901276A JP4901276A JPS52131438A JP S52131438 A JPS52131438 A JP S52131438A JP 4901276 A JP4901276 A JP 4901276A JP 4901276 A JP4901276 A JP 4901276A JP S52131438 A JPS52131438 A JP S52131438A
Authority
JP
Japan
Prior art keywords
driving system
cpu
multiplication driving
fault
multiplication
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
JP4901276A
Other languages
Japanese (ja)
Inventor
Nagayasu Harada
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4901276A priority Critical patent/JPS52131438A/en
Publication of JPS52131438A publication Critical patent/JPS52131438A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To realize CPU back-up system through which CPU is tripled and CPU's fault can be detected at an early stage through decision by majority and with no help of software to continue driving by cutting off the fault instantaneously, and thus to secure an effective use for the electronic exchange, etc.
COPYRIGHT: (C)1977,JPO&Japio
JP4901276A 1976-04-27 1976-04-27 Multiplication driving system Pending JPS52131438A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4901276A JPS52131438A (en) 1976-04-27 1976-04-27 Multiplication driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4901276A JPS52131438A (en) 1976-04-27 1976-04-27 Multiplication driving system

Publications (1)

Publication Number Publication Date
JPS52131438A true JPS52131438A (en) 1977-11-04

Family

ID=12819220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4901276A Pending JPS52131438A (en) 1976-04-27 1976-04-27 Multiplication driving system

Country Status (1)

Country Link
JP (1) JPS52131438A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5682953A (en) * 1979-12-10 1981-07-07 Nec Corp Fault detecting circuit
JPS588351A (en) * 1981-07-06 1983-01-18 Nec Corp Operation test circuit
JPS6257051A (en) * 1985-09-05 1987-03-12 Nippon Signal Co Ltd:The Mutual synchronizing system for multiplex system
JPH01500307A (en) * 1986-04-03 1989-02-02 トリプレツクス Multiple redundant false positive system and its usage
JPH0481936A (en) * 1990-07-25 1992-03-16 Pfu Ltd Synchronization control system between plural cpus
JPH0869387A (en) * 1994-08-31 1996-03-12 Nec Corp Bidirectional buffer device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5682953A (en) * 1979-12-10 1981-07-07 Nec Corp Fault detecting circuit
JPS588351A (en) * 1981-07-06 1983-01-18 Nec Corp Operation test circuit
JPS6257051A (en) * 1985-09-05 1987-03-12 Nippon Signal Co Ltd:The Mutual synchronizing system for multiplex system
JPH01500307A (en) * 1986-04-03 1989-02-02 トリプレツクス Multiple redundant false positive system and its usage
JPH0481936A (en) * 1990-07-25 1992-03-16 Pfu Ltd Synchronization control system between plural cpus
JPH0869387A (en) * 1994-08-31 1996-03-12 Nec Corp Bidirectional buffer device

Similar Documents

Publication Publication Date Title
JPS52131438A (en) Multiplication driving system
JPS535940A (en) Multiplication system
JPS5359330A (en) Mis-output preventing system
JPS53115151A (en) Arithmetic control circuit
JPS5390840A (en) Arithmetic processor of microprogram control
JPS5392641A (en) Trouble recorvery processing system of computing control unit
JPS53142143A (en) Fault notifying system for input/output device
JPS531779A (en) Portable input unit for numerical control system
JPS535743A (en) Observati on device of bus protecting relay
JPS52142169A (en) Liquid pressure circuit pressure circuit
JPS5398745A (en) Interrupt system for input and output device
JPS5415629A (en) Monitoring method for computer
JPS52153350A (en) Fail-safe unit for controlling calculator
JPS53135531A (en) Data processor
JPS5336433A (en) Display system
JPS52107739A (en) Diagnosis method for input/output control unit
JPS547832A (en) Central control unit
JPS5344136A (en) Multiprocessor system
JPS53124041A (en) Arithmetic system
JPS5346243A (en) Processor control system
JPS52139338A (en) Percent calculation system for cash register
JPS5320832A (en) Integrated circuit
JPS5379222A (en) Control device of alternate-current motor
JPS52155415A (en) Oil supplying system
JPS5368169A (en) Photoetching method