JPS563598B2 - - Google Patents
Info
- Publication number
- JPS563598B2 JPS563598B2 JP12351172A JP12351172A JPS563598B2 JP S563598 B2 JPS563598 B2 JP S563598B2 JP 12351172 A JP12351172 A JP 12351172A JP 12351172 A JP12351172 A JP 12351172A JP S563598 B2 JPS563598 B2 JP S563598B2
- Authority
- JP
- Japan
- 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 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5759871A GB1402530A (en) | 1971-12-10 | 1971-12-10 | Detecting damage to glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4866485A JPS4866485A (fr) | 1973-09-12 |
| JPS563598B2 true JPS563598B2 (fr) | 1981-01-26 |
Family
ID=10479560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12351172A Expired JPS563598B2 (fr) | 1971-12-10 | 1972-12-11 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS563598B2 (fr) |
| DE (1) | DE2260352C2 (fr) |
| FR (1) | FR2162577B1 (fr) |
| GB (1) | GB1402530A (fr) |
| IT (1) | IT975986B (fr) |
| ZA (1) | ZA728609B (fr) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2254540C3 (de) * | 1972-11-08 | 1981-06-04 | Wilhelm 6700 Ludwigshafen Karger | Schaltungsanordnung für einen Schwingungsmelder für Ruhestrom-Alarm-Anlagen |
| JPS5068687U (fr) * | 1973-10-26 | 1975-06-19 | ||
| JPS50130398A (fr) * | 1974-03-30 | 1975-10-15 | ||
| JPS5879B2 (ja) * | 1975-02-08 | 1983-01-05 | 株式会社富士通ゼネラル | カンシソウチ |
| JPS51152349U (fr) * | 1975-05-29 | 1976-12-04 | ||
| JPS584397B2 (ja) * | 1975-09-11 | 1983-01-26 | 株式会社富士通ゼネラル | カンシソウチ |
| JPS5265489U (fr) * | 1975-11-11 | 1977-05-14 | ||
| US4091660A (en) * | 1977-03-16 | 1978-05-30 | Matsushita Electric Industrial Co., Ltd. | Apparatus for detecting the breaking of a glass plate |
| DE3043912A1 (de) * | 1980-11-21 | 1982-07-01 | alfasystem GmbH Vertrieb von elektronischen Sicherheitssystemen, 8034 Germering | Glasbruchmelder mit abgesetzter auswerteelektronik |
| DE3142705C2 (de) * | 1981-10-28 | 1986-06-12 | Securiton AG, Zollikofen, Bern | Vorrichtung zur Überwachung des Zustandes eines zur Fortleitung von Schallwellen geeigneten Körpers |
| GB2129592B (en) * | 1982-07-02 | 1986-09-10 | Paul Coleman | Motion sensor |
| DE9003065U1 (fr) * | 1989-04-12 | 1990-10-25 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
| GB2348496A (en) * | 1999-03-31 | 2000-10-04 | Frazer Nash Consultancy Ltd | Method and apparatus for the detection of scratching and similar surface action to glass |
| CN108242122A (zh) * | 2016-12-23 | 2018-07-03 | 浙江金徕镀膜有限公司 | 一种用于清理切磨导致破碎的玻璃的报警装置 |
| GB2603887A (en) * | 2020-11-24 | 2022-08-24 | Novosound Ltd | Tamper proof ultrasound sensor |
| CN113203800B (zh) * | 2021-05-25 | 2022-11-18 | 江苏大学 | 一种用于叉指式换能器的性能标定装置及标定方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB627038A (en) * | 1946-11-09 | 1949-07-26 | Ferranti Ltd | Improvements in means for detecting mechanical vibrations caused by friction |
| GB1186044A (en) * | 1967-04-25 | 1970-04-02 | Electronic Lab Ltd Formerly El | Alarm Circuit |
| DE2127562B2 (de) * | 1971-06-03 | 1979-05-23 | Spirig, Ernst, Dipl.-Ing., Rapperswil (Schweiz) | Vorrichtung zur Anzeige von Glasscheibenbruch |
-
1971
- 1971-12-10 GB GB5759871A patent/GB1402530A/en not_active Expired
-
1972
- 1972-12-05 ZA ZA728609A patent/ZA728609B/xx unknown
- 1972-12-07 IT IT70863/72A patent/IT975986B/it active
- 1972-12-08 FR FR7243716A patent/FR2162577B1/fr not_active Expired
- 1972-12-09 DE DE2260352A patent/DE2260352C2/de not_active Expired
- 1972-12-11 JP JP12351172A patent/JPS563598B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU4978572A (en) | 1974-06-13 |
| ZA728609B (en) | 1973-08-29 |
| JPS4866485A (fr) | 1973-09-12 |
| FR2162577A1 (fr) | 1973-07-20 |
| DE2260352C2 (de) | 1985-01-17 |
| IT975986B (it) | 1974-08-10 |
| DE2260352A1 (de) | 1973-06-28 |
| GB1402530A (en) | 1975-08-13 |
| FR2162577B1 (fr) | 1980-07-25 |