AU499496B2 - Destructive vibration of structures detector - Google Patents
Destructive vibration of structures detectorInfo
- 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
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)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP63215/76 | 1976-05-17 | ||
| 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 |
| 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 (de) |
| DE (1) | DE2721880C3 (de) |
| FR (1) | FR2352351A1 (de) |
| GB (1) | GB1581479A (de) |
| IT (1) | IT1078259B (de) |
| SE (1) | SE432028B (de) |
Families Citing this family (6)
| 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)
| 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 |
-
1977
- 1977-05-14 DE DE19772721880 patent/DE2721880C3/de not_active Expired
- 1977-05-16 GB GB2047777A patent/GB1581479A/en not_active Expired
- 1977-05-16 IT IT4942577A patent/IT1078259B/it active
- 1977-05-16 FR FR7714975A patent/FR2352351A1/fr active Granted
- 1977-05-16 SE SE7705727A patent/SE432028B/xx not_active IP Right Cessation
- 1977-05-19 AU AU25257/77A patent/AU499496B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7705727L (sv) | 1977-11-18 |
| SE432028B (sv) | 1984-03-12 |
| FR2352351B1 (de) | 1984-05-04 |
| DE2721880B2 (de) | 1980-11-13 |
| DE2721880C3 (de) | 1981-09-17 |
| AU2525777A (en) | 1978-11-23 |
| GB1581479A (en) | 1980-12-17 |
| FR2352351A1 (fr) | 1977-12-16 |
| IT1078259B (it) | 1985-05-08 |
| DE2721880A1 (de) | 1977-11-24 |
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