IT1078259B - Dispositivo per rivelare l'instaurarsi di vibrazioni distruttive in struttore - Google Patents

Dispositivo per rivelare l'instaurarsi di vibrazioni distruttive in struttore

Info

Publication number
IT1078259B
IT1078259B IT4942577A IT4942577A IT1078259B IT 1078259 B IT1078259 B IT 1078259B IT 4942577 A IT4942577 A IT 4942577A IT 4942577 A IT4942577 A IT 4942577A IT 1078259 B IT1078259 B IT 1078259B
Authority
IT
Italy
Prior art keywords
structor
establishment
detect
destructive vibrations
destructive
Prior art date
Application number
IT4942577A
Other languages
English (en)
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/ja
Priority claimed from JP51127488A external-priority patent/JPS5830636B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Application granted granted Critical
Publication of IT1078259B publication Critical patent/IT1078259B/it

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)
IT4942577A 1976-05-17 1977-05-16 Dispositivo per rivelare l'instaurarsi di vibrazioni distruttive in struttore IT1078259B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6321576U JPS5828313Y2 (ja) 1976-05-17 1976-05-17 壁破壊検知器の取付装置
JP51127488A JPS5830636B2 (ja) 1976-10-22 1976-10-22 コンクリ−ト構造物破壊検出方式

Publications (1)

Publication Number Publication Date
IT1078259B true IT1078259B (it) 1985-05-08

Family

ID=26404299

Family Applications (1)

Application Number Title Priority Date Filing Date
IT4942577A IT1078259B (it) 1976-05-17 1977-05-16 Dispositivo per rivelare l'instaurarsi di vibrazioni distruttive in struttore

Country Status (6)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852664C2 (de) * 1978-12-06 1982-08-19 Cerberus AG, 8708 Männedorf, Zürich Verfahren und Anordnung zur Einbruchmeldung
DE3142705C2 (de) * 1981-10-28 1986-06-12 Securiton AG, Zollikofen, Bern Vorrichtung zur Überwachung des Zustandes eines zur Fortleitung von Schallwellen geeigneten Körpers
DE3249866C2 (en) * 1982-06-11 1988-07-14 Securiton Ag, Zollikofen, Bern, Ch Acoustic-electrical transducer for monitoring armoured rooms (spaces)
DE3221997A1 (de) * 1982-06-11 1983-12-15 Securiton AG, 3052 Zollikofen, Bern Vorrichtung zum ueberwachen von gepanzerten raeumen, insbesondere von tresoren und kassenschraenken, und zum erzeugen eines alarmsignales, wenn ein einbruchversuch unternommen wird
DE3534806A1 (de) * 1985-09-30 1987-04-02 Jaufmann Ingrid Alarmanlage
NO312796B1 (no) * 2000-10-26 2002-07-01 Nordan As Alarmbrikke

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 (de) * 1971-08-25 1973-09-15 Securiton Ag Vorrichtung zum Überwachen von Objekten und zum Erzeugen eines Alarmsignales, wenn ein Einbruchsversuch unternommen wird
US3947835A (en) * 1974-07-01 1976-03-30 Gte Sylvania Incorporated Fence protection system

Also Published As

Publication number Publication date
DE2721880B2 (de) 1980-11-13
FR2352351A1 (fr) 1977-12-16
DE2721880A1 (de) 1977-11-24
GB1581479A (en) 1980-12-17
SE432028B (sv) 1984-03-12
AU2525777A (en) 1978-11-23
SE7705727L (sv) 1977-11-18
DE2721880C3 (de) 1981-09-17
FR2352351B1 (it) 1984-05-04
AU499496B2 (en) 1979-04-26

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950530