GB9518644D0 - Intrusion detection apparatus - Google Patents
Intrusion detection apparatusInfo
- Publication number
- GB9518644D0 GB9518644D0 GBGB9518644.1A GB9518644A GB9518644D0 GB 9518644 D0 GB9518644 D0 GB 9518644D0 GB 9518644 A GB9518644 A GB 9518644A GB 9518644 D0 GB9518644 D0 GB 9518644D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- detection apparatus
- intrusion detection
- intrusion
- detection
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
- G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
-
- 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)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CA1993/000092 WO1994020937A1 (en) | 1991-09-09 | 1993-03-10 | Intrusion detection apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9518644D0 true GB9518644D0 (en) | 1995-11-15 |
GB2290614A GB2290614A (en) | 1996-01-03 |
GB2290614B GB2290614B (en) | 1997-01-22 |
Family
ID=4172966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9518644A Expired - Fee Related GB2290614B (en) | 1993-03-10 | 1993-03-10 | Intrusion detection apparatus |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA2157894C (en) |
GB (1) | GB2290614B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2756401B1 (en) * | 1996-11-28 | 1999-02-19 | Valeo Electronique | METHOD AND DEVICE FOR DETECTING INTRUSION IN A MOTOR VEHICLE |
NO20052403A (en) * | 2005-05-18 | 2006-09-18 | Idtec Pte Ltd | System and procedure for burglary detection |
RU2570230C1 (en) * | 2014-09-24 | 2015-12-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пензенский государственный университет" (ФГБОУ ВПО ПГУ) | Device for detecting moving ground objects from seismic signal with standard false triggering probability |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2900444A1 (en) * | 1979-01-08 | 1980-07-10 | Licentia Gmbh | METHOD AND CIRCUIT ARRANGEMENT FOR EVALUATING OUTPUT SIGNALS FROM SOUND RECEIVERS OF AN OBJECT PROTECTION MONITORING SYSTEM AND FOR GENERATING AN ALARM SIGNAL |
US4307387A (en) * | 1979-02-23 | 1981-12-22 | Elliott Brothers (London) Limited | Vibration-responsive intruder alarm system |
FR2569027B1 (en) * | 1984-03-28 | 1986-12-05 | Vg Electronique Electro Guglie | PERIMETRIC INFRASON DETECTION METHOD, INFRASON TREATMENT |
US4853677A (en) * | 1988-07-20 | 1989-08-01 | Yarbrough Alfred E | Portable intrusion alarm |
GB9005751D0 (en) * | 1990-03-14 | 1990-05-09 | Geoquip Ltd | Intrusion detection system and signal processing circuitry therefor |
-
1993
- 1993-03-10 GB GB9518644A patent/GB2290614B/en not_active Expired - Fee Related
- 1993-03-10 CA CA002157894A patent/CA2157894C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2290614A (en) | 1996-01-03 |
CA2157894A1 (en) | 1994-09-15 |
CA2157894C (en) | 2001-05-22 |
GB2290614B (en) | 1997-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20030310 |