MX149275A - Mejoras en monitor de circuito logico - Google Patents

Mejoras en monitor de circuito logico

Info

Publication number
MX149275A
MX149275A MX186121A MX18612181A MX149275A MX 149275 A MX149275 A MX 149275A MX 186121 A MX186121 A MX 186121A MX 18612181 A MX18612181 A MX 18612181A MX 149275 A MX149275 A MX 149275A
Authority
MX
Mexico
Prior art keywords
redundancy
loss
logic circuit
service
resistor
Prior art date
Application number
MX186121A
Other languages
English (en)
Inventor
Robert John Wood
John Francis Mitchell
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of MX149275A publication Critical patent/MX149275A/es

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00Safety arrangements
    • G05B9/02Safety arrangements electric
    • G05B9/03Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring
    • G06F11/32Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/324Display of status information
    • G06F11/327Alarm or error message display
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/16Security signalling or alarm systems, e.g. redundant systems
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/003Modifications for increasing the reliability for protection
    • H03K19/00392Modifications for increasing the reliability for protection by circuit redundancy
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K19/00Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • H03K19/23Majority or minority circuits, i.e. giving output having the state of the majority or the minority of the inputs

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Quality & Reliability (AREA)
  • Automation & Control Theory (AREA)
  • Logic Circuits (AREA)
  • Safety Devices In Control Systems (AREA)
  • Control Of Turbines (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Relay Circuits (AREA)
  • Protection Of Generators And Motors (AREA)
MX186121A 1980-02-25 1981-02-25 Mejoras en monitor de circuito logico MX149275A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/124,325 US4318093A (en) 1980-02-25 1980-02-25 Logic circuit monitor

Publications (1)

Publication Number Publication Date
MX149275A true MX149275A (es) 1983-10-05

Family

ID=22414204

Family Applications (1)

Application Number Title Priority Date Filing Date
MX186121A MX149275A (es) 1980-02-25 1981-02-25 Mejoras en monitor de circuito logico

Country Status (7)

Country Link
US (1) US4318093A (es)
JP (1) JPS56123003A (es)
KR (1) KR830002592B1 (es)
ES (1) ES8206741A1 (es)
MX (1) MX149275A (es)
RO (1) RO80442A (es)
YU (1) YU47281A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58169079A (ja) * 1982-03-31 1983-10-05 Power Reactor & Nuclear Fuel Dev Corp 放射線異常検出装置
DE3334548A1 (de) * 1983-09-23 1985-04-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren und vorrichtung zur spurfuehrung eines gleislosen fahrzeuges
EP0615180B1 (de) * 1993-03-08 1997-06-11 Landis & Gyr Technology Innovation AG Elektrische Überwachungsanordnung
CN110080837B (zh) * 2019-06-06 2023-12-08 东方电气自动控制工程有限公司 采用三取二逻辑表决的控制模块

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373367A (en) * 1965-03-01 1968-03-12 Northern Electric Co Amplifier failure indicator
US3748540A (en) * 1971-09-02 1973-07-24 Gen Electric Testing and monitoring system for redundant trip devices
BE790020A (fr) * 1971-10-14 1973-04-12 Westinghouse Electric Corp Systeme et methode pour faire fonctionner une turbine a vapeur avec protection independante de survitesse

Also Published As

Publication number Publication date
YU47281A (en) 1983-06-30
JPS56123003A (en) 1981-09-26
US4318093A (en) 1982-03-02
KR830004613A (ko) 1983-07-16
RO80442A (ro) 1982-12-06
ES499560A0 (es) 1982-08-16
JPS6321921B2 (es) 1988-05-10
KR830002592B1 (ko) 1983-11-16
ES8206741A1 (es) 1982-08-16

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