CA970869A - Seismic apparatus for supervising an enclosure - Google Patents

Seismic apparatus for supervising an enclosure

Info

Publication number
CA970869A
CA970869A CA139,034A CA139034A CA970869A CA 970869 A CA970869 A CA 970869A CA 139034 A CA139034 A CA 139034A CA 970869 A CA970869 A CA 970869A
Authority
CA
Canada
Prior art keywords
supervising
enclosure
seismic apparatus
seismic
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
CA139,034A
Other languages
English (en)
Inventor
Daniel M.P. Lecuyer
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.)
DETECTION ELECTRONIQUE FRANCAISE (LA)
Original Assignee
DETECTION ELECTRONIQUE FRANCAISE (LA)
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 DETECTION ELECTRONIQUE FRANCAISE (LA) filed Critical DETECTION ELECTRONIQUE FRANCAISE (LA)
Application granted granted Critical
Publication of CA970869A publication Critical patent/CA970869A/en
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
    • 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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
CA139,034A 1971-04-07 1972-04-06 Seismic apparatus for supervising an enclosure Expired CA970869A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA970869A true CA970869A (en) 1975-07-08

Family

ID=9074910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,034A Expired CA970869A (en) 1971-04-07 1972-04-06 Seismic apparatus for supervising an enclosure

Country Status (12)

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

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
NL7204620A (OSRAM) 1972-10-10
DE2216319C3 (de) 1979-05-31
OA03991A (fr) 1979-09-15
SE373220B (OSRAM) 1975-01-27
LU65112A1 (OSRAM) 1972-12-07
IT950969B (it) 1973-06-20
CH556071A (fr) 1974-11-15
DE2216319B2 (de) 1978-10-12
BE781767A (fr) 1972-10-06
ES401536A1 (es) 1975-02-16
FR2133079A5 (OSRAM) 1972-11-24
DE2216319A1 (de) 1972-10-12
GB1391697A (en) 1975-04-23

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