PT79314B - Circuitlogique "et" a securite intrinseque - Google Patents

Circuitlogique "et" a securite intrinseque

Info

Publication number
PT79314B
PT79314B PT79314A PT7931484A PT79314B PT 79314 B PT79314 B PT 79314B PT 79314 A PT79314 A PT 79314A PT 7931484 A PT7931484 A PT 7931484A PT 79314 B PT79314 B PT 79314B
Authority
PT
Portugal
Prior art keywords
circuitlogique
intrinsic safety
intrinsic
safety
Prior art date
Application number
PT79314A
Other languages
English (en)
French (fr)
Other versions
PT79314A (fr
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 PT79314A publication Critical patent/PT79314A/pt
Publication of PT79314B publication Critical patent/PT79314B/pt

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Electronic Switches (AREA)
  • Dc-Dc Converters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Emergency Protection Circuit Devices (AREA)
PT79314A 1983-10-26 1984-10-03 Circuitlogique "et" a securite intrinseque PT79314B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8317041A FR2554291B1 (fr) 1983-10-26 1983-10-26 Circuit logique " et " a securite intrinseque

Publications (2)

Publication Number Publication Date
PT79314A PT79314A (fr) 1984-11-01
PT79314B true PT79314B (fr) 1986-08-19

Family

ID=9293532

Family Applications (1)

Application Number Title Priority Date Filing Date
PT79314A PT79314B (fr) 1983-10-26 1984-10-03 Circuitlogique "et" a securite intrinseque

Country Status (9)

Country Link
US (1) US4636660A (pt)
EP (1) EP0141716A1 (pt)
AU (1) AU3414684A (pt)
BR (1) BR8405348A (pt)
CA (1) CA1213007A (pt)
ES (1) ES536693A0 (pt)
FR (1) FR2554291B1 (pt)
PT (1) PT79314B (pt)
ZA (1) ZA848322B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6320406B1 (en) * 1999-10-04 2001-11-20 Texas Instruments Incorporated Methods and apparatus for a terminated fail-safe circuit
US7042251B2 (en) * 2004-04-28 2006-05-09 Seiko Epson Corporation Multi-function differential logic gate

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254232A (en) * 1962-10-05 1966-05-31 Bell Telephone Labor Inc Mitigation of stray impedance effects in high frequency gating
DE1763149A1 (de) * 1968-04-10 1971-09-16 Licentia Gmbh Gatterschaltung einer gegen innere Fehler geschuetzten digital-binaeren Steuerung
US3600604A (en) * 1968-12-03 1971-08-17 Westinghouse Electric Corp Failsafe logic gates
US3684926A (en) * 1971-07-26 1972-08-15 La Salle Machine Tool Alternating current static control system
FR2147481A5 (pt) * 1971-07-29 1973-03-09 Jeumont Schneider
US3909632A (en) * 1972-08-21 1975-09-30 Gen Signal Corp Fail-safe logic circuitry for vehicle transportation control
US4065683A (en) * 1974-06-12 1977-12-27 Square D Company Circuitry for industrial logic systems
US4125784A (en) * 1977-07-27 1978-11-14 Westinghouse Air Brake Company Fail-safe or gate

Also Published As

Publication number Publication date
PT79314A (fr) 1984-11-01
ZA848322B (en) 1985-07-31
ES8600830A1 (es) 1985-10-16
ES536693A0 (es) 1985-10-16
FR2554291B1 (fr) 1985-12-06
CA1213007A (fr) 1986-10-21
EP0141716A1 (fr) 1985-05-15
US4636660A (en) 1987-01-13
BR8405348A (pt) 1985-09-03
FR2554291A1 (fr) 1985-05-03
AU3414684A (en) 1985-05-02

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