BE786502A - Circuit logique et impulsionnel a securite intrinseque - Google Patents

Circuit logique et impulsionnel a securite intrinseque

Info

Publication number
BE786502A
BE786502A BE786502A BE786502A BE786502A BE 786502 A BE786502 A BE 786502A BE 786502 A BE786502 A BE 786502A BE 786502 A BE786502 A BE 786502A BE 786502 A BE786502 A BE 786502A
Authority
BE
Belgium
Prior art keywords
intrinsically safe
pulse circuit
safe logic
logic
pulse
Prior art date
Application number
BE786502A
Other languages
English (en)
Original Assignee
Jeumont Schneider
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 filed Critical Jeumont Schneider
Publication of BE786502A publication Critical patent/BE786502A/fr

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1881—Wiring diagrams for power supply, control or testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
BE786502A 1971-07-29 1972-07-20 Circuit logique et impulsionnel a securite intrinseque BE786502A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7127776A FR2147481A5 (fr) 1971-07-29 1971-07-29

Publications (1)

Publication Number Publication Date
BE786502A true BE786502A (fr) 1972-11-16

Family

ID=9081108

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786502A BE786502A (fr) 1971-07-29 1972-07-20 Circuit logique et impulsionnel a securite intrinseque

Country Status (4)

Country Link
BE (1) BE786502A (fr)
CA (1) CA977041A (fr)
FR (1) FR2147481A5 (fr)
ZA (1) ZA724580B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554291B1 (fr) * 1983-10-26 1985-12-06 Jeumont Schneider Circuit logique " et " a securite intrinseque
EP0472747B1 (fr) * 1990-08-21 1994-02-23 Scheidt & Bachmann Gmbh Arrangement pour l'opération supervisée d'un utilisateur
CN103318195A (zh) * 2013-07-08 2013-09-25 中国北车集团大同电力机车有限责任公司 电力机车受电弓运行保持的实现电路及实现方法
CN105460025B (zh) * 2014-09-12 2018-05-18 中车大连电力牵引研发中心有限公司 电力机车换端控制方法和控制系统

Also Published As

Publication number Publication date
CA977041A (en) 1975-10-28
FR2147481A5 (fr) 1973-03-09
ZA724580B (en) 1973-03-28
AU4425772A (en) 1973-09-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: JEUMONT-SCHNEIDER

Effective date: 19900731