FR1269273A - Improvements to electrical monitoring and alarm systems - Google Patents

Improvements to electrical monitoring and alarm systems

Info

Publication number
FR1269273A
FR1269273A FR831580A FR831580A FR1269273A FR 1269273 A FR1269273 A FR 1269273A FR 831580 A FR831580 A FR 831580A FR 831580 A FR831580 A FR 831580A FR 1269273 A FR1269273 A FR 1269273A
Authority
FR
France
Prior art keywords
alarm systems
electrical monitoring
monitoring
electrical
alarm
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
FR831580A
Other languages
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 DENDAT1249126D priority Critical patent/DE1249126B/de
Priority to NL137413D priority patent/NL137413C/xx
Priority to NL266481D priority patent/NL266481A/xx
Application filed by Compagnie Generale de Geophysique SA filed Critical Compagnie Generale de Geophysique SA
Priority to FR831580A priority patent/FR1269273A/en
Priority to CH680461A priority patent/CH373284A/en
Priority to GB2380961A priority patent/GB942848A/en
Application granted granted Critical
Publication of FR1269273A publication Critical patent/FR1269273A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/001—Acoustic presence detection
    • 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)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
FR831580A 1960-06-30 1960-06-30 Improvements to electrical monitoring and alarm systems Expired FR1269273A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DENDAT1249126D DE1249126B (en) 1960-06-30
NL137413D NL137413C (en) 1960-06-30
NL266481D NL266481A (en) 1960-06-30
FR831580A FR1269273A (en) 1960-06-30 1960-06-30 Improvements to electrical monitoring and alarm systems
CH680461A CH373284A (en) 1960-06-30 1961-06-12 Device for signaling the passage of a person in a specific area
GB2380961A GB942848A (en) 1960-06-30 1961-06-30 Improvements in or relating to warning devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831580A FR1269273A (en) 1960-06-30 1960-06-30 Improvements to electrical monitoring and alarm systems

Publications (1)

Publication Number Publication Date
FR1269273A true FR1269273A (en) 1961-08-11

Family

ID=8734535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831580A Expired FR1269273A (en) 1960-06-30 1960-06-30 Improvements to electrical monitoring and alarm systems

Country Status (5)

Country Link
CH (1) CH373284A (en)
DE (1) DE1249126B (en)
FR (1) FR1269273A (en)
GB (1) GB942848A (en)
NL (2) NL137413C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296587A (en) * 1963-02-20 1967-01-03 Texas Instruments Inc Intrusion detector system
FR2556860A1 (en) * 1983-12-16 1985-06-21 Thomson Csf Intruder detection device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258762A (en) * 1966-06-28 Bistable multivibrator means
US3273138A (en) * 1964-04-28 1966-09-13 Sonus Corp Swimming pool monitor
US3806907A (en) * 1972-03-23 1974-04-23 Texas Instruments Inc Perimeter intrusion detection system with common mode rejection
GB1573446A (en) * 1976-03-16 1980-08-20 Elliott Bros Intruder alarm systems
US4521768A (en) * 1982-04-08 1985-06-04 Elsec Electronic Security Systems Ltd. Intrusion detector
US5185593A (en) * 1983-02-23 1993-02-09 Bluegrass Electronics, Inc. Dual pressure change intrusion detector
US4928085A (en) * 1983-02-23 1990-05-22 Bluegrass Electronics, Inc. Pressure change intrusion detector
FR2804530B1 (en) * 2000-01-28 2003-06-06 Conseil En Technologies Innova DETECTION DEVICE, PARTICULARLY FOR THE PERIPHERAL PROTECTION OF A PLACE TO BE MONITORED

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296587A (en) * 1963-02-20 1967-01-03 Texas Instruments Inc Intrusion detector system
FR2556860A1 (en) * 1983-12-16 1985-06-21 Thomson Csf Intruder detection device

Also Published As

Publication number Publication date
GB942848A (en) 1963-11-27
DE1249126B (en)
CH373284A (en) 1963-11-15
NL137413C (en)
NL266481A (en)

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