BE781767A - SEISMIC SURVEILLANCE INSTALLATION OF AN ENCLOSURE - Google Patents

SEISMIC SURVEILLANCE INSTALLATION OF AN ENCLOSURE

Info

Publication number
BE781767A
BE781767A BE781767A BE781767A BE781767A BE 781767 A BE781767 A BE 781767A BE 781767 A BE781767 A BE 781767A BE 781767 A BE781767 A BE 781767A BE 781767 A BE781767 A BE 781767A
Authority
BE
Belgium
Prior art keywords
enclosure
seismic surveillance
surveillance installation
installation
seismic
Prior art date
Application number
BE781767A
Other languages
French (fr)
Inventor
D M P Lecuyer
Original Assignee
Francais Detection Eletr
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 Francais Detection Eletr filed Critical Francais Detection Eletr
Publication of BE781767A publication Critical patent/BE781767A/en

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
    • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
    • 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)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (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)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Alarm Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
BE781767A 1971-04-07 1972-04-06 SEISMIC SURVEILLANCE INSTALLATION OF AN ENCLOSURE BE781767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7112290A FR2133079A5 (en) 1971-04-07 1971-04-07

Publications (1)

Publication Number Publication Date
BE781767A true BE781767A (en) 1972-10-06

Family

ID=9074910

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781767A BE781767A (en) 1971-04-07 1972-04-06 SEISMIC SURVEILLANCE INSTALLATION OF AN ENCLOSURE

Country Status (12)

Country Link
BE (1) BE781767A (en)
CA (1) CA970869A (en)
CH (1) CH556071A (en)
DE (1) DE2216319C3 (en)
ES (1) ES401536A1 (en)
FR (1) FR2133079A5 (en)
GB (1) GB1391697A (en)
IT (1) IT950969B (en)
LU (1) LU65112A1 (en)
NL (1) NL7204620A (en)
OA (1) OA03991A (en)
SE (1) SE373220B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0206458B1 (en) * 1985-04-17 1992-07-01 Geoquip Security Systems Limited Vibration-sensitive transducer

Also Published As

Publication number Publication date
GB1391697A (en) 1975-04-23
SE373220B (en) 1975-01-27
DE2216319A1 (en) 1972-10-12
CH556071A (en) 1974-11-15
CA970869A (en) 1975-07-08
IT950969B (en) 1973-06-20
DE2216319B2 (en) 1978-10-12
LU65112A1 (en) 1972-12-07
FR2133079A5 (en) 1972-11-24
NL7204620A (en) 1972-10-10
OA03991A (en) 1979-09-15
ES401536A1 (en) 1975-02-16
DE2216319C3 (en) 1979-05-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LA DETECTION ELECTRONIQUE FRANCAISE

Effective date: 19880430