NL7308209A - - Google Patents
Info
- Publication number
- NL7308209A NL7308209A NL7308209A NL7308209A NL7308209A NL 7308209 A NL7308209 A NL 7308209A NL 7308209 A NL7308209 A NL 7308209A NL 7308209 A NL7308209 A NL 7308209A NL 7308209 A NL7308209 A NL 7308209A
- Authority
- NL
- Netherlands
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
- 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)
- Geophysics And Detection Of Objects (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00262888A US3818471A (en) | 1972-06-14 | 1972-06-14 | Seismic intrusion line sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7308209A true NL7308209A (en:Method) | 1973-12-18 |
Family
ID=22999501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7308209A NL7308209A (en:Method) | 1972-06-14 | 1973-06-13 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3818471A (en:Method) |
| JP (1) | JPS4952660A (en:Method) |
| AU (1) | AU5665473A (en:Method) |
| BE (1) | BE800873A (en:Method) |
| CA (1) | CA969265A (en:Method) |
| DE (1) | DE2329580A1 (en:Method) |
| FR (1) | FR2188222B3 (en:Method) |
| IT (1) | IT989111B (en:Method) |
| NL (1) | NL7308209A (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967259A (en) * | 1971-04-07 | 1976-06-29 | La Detection Electronique Francaise Protecbat | Security system with plural sensors connected in parallel across the transmission line |
| US3961320A (en) * | 1973-06-08 | 1976-06-01 | Honeywell Inc. | Intrusion detection systems |
| US4121192A (en) * | 1974-01-31 | 1978-10-17 | Gte Sylvania Incorporated | System and method for determining position and velocity of an intruder from an array of sensors |
| US4400695A (en) * | 1977-10-07 | 1983-08-23 | The United States Of America As Represented By The Secretary Of The Army | Electronic intruder detection system |
| GB9809152D0 (en) * | 1998-04-30 | 1998-07-01 | Guardall Ltd | Electromagnetic radiation sensing device |
| RU2475779C1 (ru) * | 2011-06-09 | 2013-02-20 | Нодари Викторович Баграташвили | Способ распознавания сейсмического события и сейсмический детектор для его осуществления |
| TWI443929B (zh) | 2011-11-16 | 2014-07-01 | 威盛電子股份有限公司 | 電池控制電路、系統和方法 |
| KR101710666B1 (ko) * | 2012-12-12 | 2017-02-27 | 한국전자통신연구원 | 무선 네트워크 기반 복합 사면 감시 장치 및 방법 |
| CN118629164B (zh) * | 2024-07-12 | 2025-05-06 | 昆明理工大学 | 一种地震、地质灾害气象和洪水物联网智能预警、响应方法与平台 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3585581A (en) * | 1969-07-22 | 1971-06-15 | Honeywell Inc | Seismic sensor apparatus |
| US3686658A (en) * | 1970-05-12 | 1972-08-22 | Teledyne Geotech | Intrusion detector responsive to change in dominant frequency |
| US3665445A (en) * | 1970-12-22 | 1972-05-23 | Scient Security Systems Inc | Detection system |
-
1972
- 1972-06-14 US US00262888A patent/US3818471A/en not_active Expired - Lifetime
-
1973
- 1973-05-08 CA CA170,666A patent/CA969265A/en not_active Expired
- 1973-06-07 AU AU56654/73A patent/AU5665473A/en not_active Expired
- 1973-06-09 DE DE2329580A patent/DE2329580A1/de active Pending
- 1973-06-12 IT IT25289/73A patent/IT989111B/it active
- 1973-06-13 NL NL7308209A patent/NL7308209A/xx unknown
- 1973-06-13 FR FR7321521A patent/FR2188222B3/fr not_active Expired
- 1973-06-13 BE BE132236A patent/BE800873A/xx unknown
- 1973-06-13 JP JP48065985A patent/JPS4952660A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4952660A (en:Method) | 1974-05-22 |
| US3818471A (en) | 1974-06-18 |
| BE800873A (fr) | 1973-10-01 |
| DE2329580A1 (de) | 1974-01-03 |
| CA969265A (en) | 1975-06-10 |
| FR2188222A1 (en:Method) | 1974-01-18 |
| AU5665473A (en) | 1974-12-12 |
| IT989111B (it) | 1975-05-20 |
| FR2188222B3 (en:Method) | 1976-06-04 |