FR2324168A1 - Procede et dispositif de detection de changements d'etats logiques - Google Patents

Procede et dispositif de detection de changements d'etats logiques

Info

Publication number
FR2324168A1
FR2324168A1 FR7422302A FR7422302A FR2324168A1 FR 2324168 A1 FR2324168 A1 FR 2324168A1 FR 7422302 A FR7422302 A FR 7422302A FR 7422302 A FR7422302 A FR 7422302A FR 2324168 A1 FR2324168 A1 FR 2324168A1
Authority
FR
France
Prior art keywords
detector
chronological
sensors
change
states
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.)
Granted
Application number
FR7422302A
Other languages
English (en)
French (fr)
Other versions
FR2324168B1 (enExample
Inventor
Alain Philip
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Priority to FR7422302A priority Critical patent/FR2324168A1/fr
Publication of FR2324168A1 publication Critical patent/FR2324168A1/fr
Application granted granted Critical
Publication of FR2324168B1 publication Critical patent/FR2324168B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Alarm Systems (AREA)
FR7422302A 1974-06-26 1974-06-26 Procede et dispositif de detection de changements d'etats logiques Granted FR2324168A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7422302A FR2324168A1 (fr) 1974-06-26 1974-06-26 Procede et dispositif de detection de changements d'etats logiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7422302A FR2324168A1 (fr) 1974-06-26 1974-06-26 Procede et dispositif de detection de changements d'etats logiques

Publications (2)

Publication Number Publication Date
FR2324168A1 true FR2324168A1 (fr) 1977-04-08
FR2324168B1 FR2324168B1 (enExample) 1979-04-20

Family

ID=9140548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422302A Granted FR2324168A1 (fr) 1974-06-26 1974-06-26 Procede et dispositif de detection de changements d'etats logiques

Country Status (1)

Country Link
FR (1) FR2324168A1 (enExample)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2324168B1 (enExample) 1979-04-20

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