FR1296625A - Perfectionnements aux systèmes électriques de surveillance - Google Patents

Perfectionnements aux systèmes électriques de surveillance

Info

Publication number
FR1296625A
FR1296625A FR861053A FR861053A FR1296625A FR 1296625 A FR1296625 A FR 1296625A FR 861053 A FR861053 A FR 861053A FR 861053 A FR861053 A FR 861053A FR 1296625 A FR1296625 A FR 1296625A
Authority
FR
France
Prior art keywords
monitoring systems
electrical monitoring
electrical
systems
monitoring
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
Application number
FR861053A
Other languages
English (en)
French (fr)
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.)
CGG SA
Original Assignee
Compagnie Generale de Geophysique SA
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
Priority to NL278116D priority Critical patent/NL278116A/xx
Priority to NL132087D priority patent/NL132087C/xx
Application filed by Compagnie Generale de Geophysique SA filed Critical Compagnie Generale de Geophysique SA
Priority to FR861053A priority patent/FR1296625A/fr
Priority to GB1710762A priority patent/GB947977A/en
Priority to DE1962C0026909 priority patent/DE1243565B/de
Application granted granted Critical
Publication of FR1296625A publication Critical patent/FR1296625A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1663—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using seismic sensing means

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Emergency Alarm Devices (AREA)
FR861053A 1961-05-08 1961-05-08 Perfectionnements aux systèmes électriques de surveillance Expired FR1296625A (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL278116D NL278116A (enrdf_load_stackoverflow) 1961-05-08
NL132087D NL132087C (enrdf_load_stackoverflow) 1961-05-08
FR861053A FR1296625A (fr) 1961-05-08 1961-05-08 Perfectionnements aux systèmes électriques de surveillance
GB1710762A GB947977A (en) 1961-05-08 1962-05-03 Improvements in or relating to warning systems
DE1962C0026909 DE1243565B (de) 1961-05-08 1962-05-04 UEberwachungs- und Alarmanlage mit unterirdisch angeordneten Seismographen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR861053A FR1296625A (fr) 1961-05-08 1961-05-08 Perfectionnements aux systèmes électriques de surveillance

Publications (1)

Publication Number Publication Date
FR1296625A true FR1296625A (fr) 1962-06-22

Family

ID=8754657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR861053A Expired FR1296625A (fr) 1961-05-08 1961-05-08 Perfectionnements aux systèmes électriques de surveillance

Country Status (4)

Country Link
DE (1) DE1243565B (enrdf_load_stackoverflow)
FR (1) FR1296625A (enrdf_load_stackoverflow)
GB (1) GB947977A (enrdf_load_stackoverflow)
NL (2) NL278116A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321737A (en) * 1965-02-03 1967-05-23 Russell Lindsay Sonar-type sensory aids

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523339A1 (fr) * 1982-03-12 1983-09-16 Guglielmetti Vg Electro Dispositif de detection a capteur volumetrique a infra-sons et procede de detection par infra-sons

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE660328C (de) * 1930-04-09 1938-05-23 Siemens & Halske Akt Ges Einrichtung zum Pruefen des Betriebszustandes von Raum-, insbesondere Tresorsicherungsanlagen
CH293560A (fr) * 1951-07-28 1953-09-30 Rolf Dr Glatt Installation pour l'électrocardiographie.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3321737A (en) * 1965-02-03 1967-05-23 Russell Lindsay Sonar-type sensory aids

Also Published As

Publication number Publication date
GB947977A (en) 1964-01-29
DE1243565B (de) 1967-06-29
NL132087C (enrdf_load_stackoverflow)
NL278116A (enrdf_load_stackoverflow)

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