FR1477705A - Circuits logiques de sécurité - Google Patents

Circuits logiques de sécurité

Info

Publication number
FR1477705A
FR1477705A FR52853A FR52853A FR1477705A FR 1477705 A FR1477705 A FR 1477705A FR 52853 A FR52853 A FR 52853A FR 52853 A FR52853 A FR 52853A FR 1477705 A FR1477705 A FR 1477705A
Authority
FR
France
Prior art keywords
logic circuits
safety logic
safety
circuits
logic
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.)
Expired
Application number
FR52853A
Other languages
English (en)
French (fr)
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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider SA
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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Priority to FR52853A priority Critical patent/FR1477705A/fr
Priority to BE695156D priority patent/BE695156A/xx
Application granted granted Critical
Publication of FR1477705A publication Critical patent/FR1477705A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR52853A 1966-03-10 1966-03-10 Circuits logiques de sécurité Expired FR1477705A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR52853A FR1477705A (fr) 1966-03-10 1966-03-10 Circuits logiques de sécurité
BE695156D BE695156A (cs) 1966-03-10 1967-03-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR52853A FR1477705A (fr) 1966-03-10 1966-03-10 Circuits logiques de sécurité

Publications (1)

Publication Number Publication Date
FR1477705A true FR1477705A (fr) 1967-04-21

Family

ID=8603406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR52853A Expired FR1477705A (fr) 1966-03-10 1966-03-10 Circuits logiques de sécurité

Country Status (2)

Country Link
BE (1) BE695156A (cs)
FR (1) FR1477705A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639777B1 (fr) * 1988-11-29 1992-04-17 Demarais Gerard Dispositif logique en securite intrinseque, pour ´ notamment ´ l'electronique ferroviaire
FR2661294B2 (fr) * 1988-11-29 1992-07-31 Demarais Gerard Dispositif logique de securite intrinseque pour l'equipement et le pilotage automatique des vehicules ferroviaires.

Also Published As

Publication number Publication date
BE695156A (cs) 1967-08-14

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