ZA724580B - A pulsed logical and circuit - Google Patents

A pulsed logical and circuit

Info

Publication number
ZA724580B
ZA724580B ZA724580A ZA724580A ZA724580B ZA 724580 B ZA724580 B ZA 724580B ZA 724580 A ZA724580 A ZA 724580A ZA 724580 A ZA724580 A ZA 724580A ZA 724580 B ZA724580 B ZA 724580B
Authority
ZA
South Africa
Prior art keywords
circuit
pulsed
logical
pulsed logical
Prior art date
Application number
ZA724580A
Inventor
P Marchand
J Salmon
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 ZA724580B publication Critical patent/ZA724580B/en

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)
ZA724580A 1971-07-29 1972-07-04 A pulsed logical and circuit ZA724580B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA724580B true ZA724580B (en) 1973-03-28

Family

ID=9081108

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA724580A ZA724580B (en) 1971-07-29 1972-07-04 A pulsed logical and circuit

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554291B1 (en) * 1983-10-26 1985-12-06 Jeumont Schneider INTRINSICALLY SECURITY "AND" LOGIC CIRCUIT
ES2050320T3 (en) * 1990-08-21 1994-05-16 Scheidt & Bachmann Gmbh ARRANGEMENT FOR THE CONTROLLED OPERATION OF A CONSUMER.
CN103318195A (en) * 2013-07-08 2013-09-25 中国北车集团大同电力机车有限责任公司 Circuit and method for realizing operation maintenance of pantograph of electric locomotive
CN105460025B (en) * 2014-09-12 2018-05-18 中车大连电力牵引研发中心有限公司 Electric locomotive changes end control method and control system

Also Published As

Publication number Publication date
AU4425772A (en) 1973-09-27
FR2147481A5 (en) 1973-03-09
BE786502A (en) 1972-11-16
CA977041A (en) 1975-10-28

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