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AU499496B2 - Destructive vibration of structures detector - Google Patents
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AU499496B2 - Destructive vibration of structures detector - Google Patents

Destructive vibration of structures detector

Info

Publication number
AU499496B2
AU499496B2 AU25257/77A AU2525777A AU499496B2 AU 499496 B2 AU499496 B2 AU 499496B2 AU 25257/77 A AU25257/77 A AU 25257/77A AU 2525777 A AU2525777 A AU 2525777A AU 499496 B2 AU499496 B2 AU 499496B2
Authority
AU
Australia
Prior art keywords
detector
structures
destructive vibration
destructive
vibration
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
AU25257/77A
Other versions
AU2525777A (en
Inventor
Tohen Hanahara Kenzaburo Tanemura Kazuhiro Matsuoka & Toshio Abiko Tadashi Yoshimura
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 claimed from JP6321576U external-priority patent/JPS5828313Y2/en
Priority claimed from JP51127488A external-priority patent/JPS5830636B2/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of AU2525777A publication Critical patent/AU2525777A/en
Application granted granted Critical
Publication of AU499496B2 publication Critical patent/AU499496B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Burglar Alarm Systems (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AU25257/77A 1976-05-17 1977-05-19 Destructive vibration of structures detector Expired AU499496B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP63215/76 1976-05-17
JP6321576U JPS5828313Y2 (en) 1976-05-17 1976-05-17 Wall breakage detector mounting device
JP51127488A JPS5830636B2 (en) 1976-10-22 1976-10-22 Concrete structure destruction detection method
JPJP127488/7 1976-10-22

Publications (2)

Publication Number Publication Date
AU2525777A AU2525777A (en) 1978-11-23
AU499496B2 true AU499496B2 (en) 1979-04-26

Family

ID=26404299

Family Applications (1)

Application Number Title Priority Date Filing Date
AU25257/77A Expired AU499496B2 (en) 1976-05-17 1977-05-19 Destructive vibration of structures detector

Country Status (6)

Country Link
AU (1) AU499496B2 (en)
DE (1) DE2721880C3 (en)
FR (1) FR2352351A1 (en)
GB (1) GB1581479A (en)
IT (1) IT1078259B (en)
SE (1) SE432028B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852664C2 (en) * 1978-12-06 1982-08-19 Cerberus AG, 8708 Männedorf, Zürich Procedure and arrangement for intrusion detection
DE3142705C2 (en) * 1981-10-28 1986-06-12 Securiton AG, Zollikofen, Bern Device for monitoring the condition of a body suitable for the transmission of sound waves
DE3249866C2 (en) * 1982-06-11 1988-07-14 Securiton Ag, Zollikofen, Bern, Ch Acoustic-electrical transducer for monitoring armoured rooms (spaces)
DE3221997A1 (en) * 1982-06-11 1983-12-15 Securiton AG, 3052 Zollikofen, Bern DEVICE FOR MONITORING ARMORED ROOMS, ESPECIALLY SAFE AND CABINETS, AND FOR GENERATING AN ALARM SIGNAL WHEN A BURGLAR ATTEMPT IS TAKEN
DE3534806A1 (en) * 1985-09-30 1987-04-02 Jaufmann Ingrid Alarm system
NO312796B1 (en) 2000-10-26 2002-07-01 Nordan As Alarm Memory

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147467A (en) * 1961-09-07 1964-09-01 American District Telegraph Co Vibration detection vault alarm system
US3364477A (en) * 1965-02-15 1968-01-16 American District Telegraph Co Vault alarm system
CH541844A (en) * 1971-08-25 1973-09-15 Securiton Ag Device for monitoring objects and generating an alarm signal if a break-in attempt is made
US3947835A (en) * 1974-07-01 1976-03-30 Gte Sylvania Incorporated Fence protection system

Also Published As

Publication number Publication date
SE7705727L (en) 1977-11-18
SE432028B (en) 1984-03-12
FR2352351B1 (en) 1984-05-04
DE2721880B2 (en) 1980-11-13
DE2721880C3 (en) 1981-09-17
AU2525777A (en) 1978-11-23
GB1581479A (en) 1980-12-17
FR2352351A1 (en) 1977-12-16
IT1078259B (en) 1985-05-08
DE2721880A1 (en) 1977-11-24

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