FR2695274B1 - Circuit et logique à deux entrées, à sécurité intrinsèque. - Google Patents

Circuit et logique à deux entrées, à sécurité intrinsèque.

Info

Publication number
FR2695274B1
FR2695274B1 FR9210484A FR9210484A FR2695274B1 FR 2695274 B1 FR2695274 B1 FR 2695274B1 FR 9210484 A FR9210484 A FR 9210484A FR 9210484 A FR9210484 A FR 9210484A FR 2695274 B1 FR2695274 B1 FR 2695274B1
Authority
FR
France
Prior art keywords
inputs
logic
circuit
intrinsically safe
intrinsically
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 - Lifetime
Application number
FR9210484A
Other languages
English (en)
Other versions
FR2695274A1 (fr
Inventor
Benoit Fumery
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.)
Matra Transport
Original Assignee
Matra Transport
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 Matra Transport filed Critical Matra Transport
Priority to FR9210484A priority Critical patent/FR2695274B1/fr
Priority to US08/083,434 priority patent/US5357151A/en
Priority to TW082105251A priority patent/TW233391B/zh
Publication of FR2695274A1 publication Critical patent/FR2695274A1/fr
Application granted granted Critical
Publication of FR2695274B1 publication Critical patent/FR2695274B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H03K19/20—Logic 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
    • 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
    • H03K19/003—Modifications for increasing the reliability for protection
    • H03K19/00307—Modifications for increasing the reliability for protection in bipolar transistor circuits
    • 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)
  • Amplifiers (AREA)
FR9210484A 1992-09-02 1992-09-02 Circuit et logique à deux entrées, à sécurité intrinsèque. Expired - Lifetime FR2695274B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9210484A FR2695274B1 (fr) 1992-09-02 1992-09-02 Circuit et logique à deux entrées, à sécurité intrinsèque.
US08/083,434 US5357151A (en) 1992-09-02 1993-06-29 Intrinsically safe logic and-circuit having two inputs
TW082105251A TW233391B (fr) 1992-09-02 1993-07-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9210484A FR2695274B1 (fr) 1992-09-02 1992-09-02 Circuit et logique à deux entrées, à sécurité intrinsèque.

Publications (2)

Publication Number Publication Date
FR2695274A1 FR2695274A1 (fr) 1994-03-04
FR2695274B1 true FR2695274B1 (fr) 1994-11-25

Family

ID=9433149

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9210484A Expired - Lifetime FR2695274B1 (fr) 1992-09-02 1992-09-02 Circuit et logique à deux entrées, à sécurité intrinsèque.

Country Status (3)

Country Link
US (1) US5357151A (fr)
FR (1) FR2695274B1 (fr)
TW (1) TW233391B (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6220362A (ja) * 1985-07-19 1987-01-28 Hitachi Ltd 積層電気回路用信号伝送回路
JPH01226213A (ja) * 1988-03-04 1989-09-08 Mitsubishi Electric Corp ドライバ回路
US5153466A (en) * 1991-03-26 1992-10-06 Medtronic, Inc. All monolithic transceiver operative from a low voltage vcc dc supply

Also Published As

Publication number Publication date
US5357151A (en) 1994-10-18
TW233391B (fr) 1994-11-01
FR2695274A1 (fr) 1994-03-04

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