GB1573847A - Intruder detection systems - Google Patents
Intruder detection systems Download PDFInfo
- Publication number
- GB1573847A GB1573847A GB13517/77A GB1351777A GB1573847A GB 1573847 A GB1573847 A GB 1573847A GB 13517/77 A GB13517/77 A GB 13517/77A GB 1351777 A GB1351777 A GB 1351777A GB 1573847 A GB1573847 A GB 1573847A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- doppler
- arms
- ultrasonic
- oscillator
- 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
- 238000001514 detection method Methods 0.000 title claims description 11
- 230000005855 radiation Effects 0.000 claims description 33
- 230000005670 electromagnetic radiation Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
- G08B13/1645—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means and other detection means, e.g. microwave or infrared radiation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
- G08B13/2494—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field by interference with electro-magnetic field distribution combined with other electrical sensor means, e.g. microwave detectors combined with other sensor means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Burglar Alarm Systems (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2613845A DE2613845C3 (de) | 1976-03-31 | 1976-03-31 | Die Dopplerverschiebung der Rflexion von elektromagnetischer und Ultraschall-Strahlung auswertendes Einbruchalarmgerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1573847A true GB1573847A (en) | 1980-08-28 |
Family
ID=5974041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13517/77A Expired GB1573847A (en) | 1976-03-31 | 1977-03-31 | Intruder detection systems |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4275390A ( ) |
| JP (1) | JPS52119895A ( ) |
| AT (1) | AT361812B ( ) |
| CH (1) | CH614052A5 ( ) |
| DE (1) | DE2613845C3 ( ) |
| FR (1) | FR2346786A1 ( ) |
| GB (1) | GB1573847A ( ) |
| IT (1) | IT1076287B ( ) |
| NL (1) | NL7703473A ( ) |
| SE (1) | SE411000B ( ) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3228556C1 (de) * | 1982-07-30 | 1983-12-22 | Siemens AG, 1000 Berlin und 8000 München | Verbesserung zu einem Gerät zur Einbruchssicherung, das mit elektromagnetischer und Ultraschall-Strahlung arbeitet |
| US4636774A (en) * | 1983-11-08 | 1987-01-13 | American District Telegraph Company | Variable sensitivity motion detector |
| US4625199A (en) * | 1985-01-14 | 1986-11-25 | American District Telegraph Company | Combination intrusion detector system having correlated ultrasonic and microwave detection sub-systems |
| US4710750A (en) * | 1986-08-05 | 1987-12-01 | C & K Systems, Inc. | Fault detecting intrusion detection device |
| JPS6428578A (en) * | 1987-07-23 | 1989-01-31 | Weston Corp | Radar detector/crime preventor for vehicle |
| US4833450A (en) * | 1988-04-15 | 1989-05-23 | Napco Security Systems, Inc. | Fault detection in combination intrusion detection systems |
| US5181010A (en) * | 1988-08-04 | 1993-01-19 | Chick James S | Automotive security system with discrimination between tampering and attack |
| GB2279791A (en) * | 1993-06-12 | 1995-01-11 | Digital Audio Ltd | Motion detecting system |
| EP0792778B1 (en) * | 1996-02-29 | 2001-11-07 | Denso Corporation | Intrusion detecting apparatus for a vehicle |
| US5986357A (en) | 1997-02-04 | 1999-11-16 | Mytech Corporation | Occupancy sensor and method of operating same |
| GB2322029A (en) * | 1997-02-04 | 1998-08-12 | Plessey Semiconductors Ltd | Microwave vehicle alarm |
| US6078253A (en) * | 1997-02-04 | 2000-06-20 | Mytech Corporation | Occupancy sensor and method of operating same |
| GB9702242D0 (en) * | 1997-02-04 | 1997-03-26 | Plessey Semiconductors Ltd | Alarm sensor and antenna arrangement |
| US6307475B1 (en) * | 1999-02-26 | 2001-10-23 | Eric D. Kelley | Location method and system for detecting movement within a building |
| US8120524B2 (en) * | 2005-10-14 | 2012-02-21 | Bae Systems Information And Electronic Systems Integration Inc. | Motion detection systems using CW radar in combination with additional sensors |
| DE102007010037B4 (de) | 2007-03-01 | 2010-07-01 | Webasto Ag | Verfahren und Vorrichtung zum Überwachen eines Gefährdungsbereiches |
| US8639527B2 (en) | 2008-04-30 | 2014-01-28 | Ecolab Usa Inc. | Validated healthcare cleaning and sanitizing practices |
| CA2722489C (en) | 2008-04-30 | 2018-05-22 | Ecolab Inc. | Validated healthcare cleaning and sanitizing practices |
| USRE48951E1 (en) | 2015-08-05 | 2022-03-01 | Ecolab Usa Inc. | Hand hygiene compliance monitoring |
| PL2860716T3 (pl) | 2009-06-12 | 2017-10-31 | Ecolab Usa Inc | Monitorowanie przestrzegania higieny rąk |
| US20140210620A1 (en) | 2013-01-25 | 2014-07-31 | Ultraclenz Llc | Wireless communication for dispenser beacons |
| KR20180064951A (ko) * | 2016-12-06 | 2018-06-15 | 주식회사 비트센싱 | 레이더와 반사체를 이용한 직선의 가상펜스 시스템 |
| US11272815B2 (en) | 2017-03-07 | 2022-03-15 | Ecolab Usa Inc. | Monitoring modules for hand hygiene dispensers |
| US10529219B2 (en) | 2017-11-10 | 2020-01-07 | Ecolab Usa Inc. | Hand hygiene compliance monitoring |
| EP3900307A1 (en) | 2018-12-20 | 2021-10-27 | Ecolab USA, Inc. | Adaptive route, bi-directional network communication |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3074053A (en) * | 1960-03-01 | 1963-01-15 | American District Telegraph Co | Electrical system and method for protecting premises subject to varying ambient conditions |
| US3074054A (en) * | 1960-11-16 | 1963-01-15 | American District Telegraph Co | Electrical system and method for protecting premises subject to varying ambient conditions |
| US3778823A (en) * | 1970-12-27 | 1973-12-11 | Toyota Motor Co Ltd | Vehicle safety device |
| US3727216A (en) * | 1971-01-28 | 1973-04-10 | Mosler Safe Co | Electromagnetic and ultrasonic doppler correlation intrusion alarm system |
| US3801978A (en) * | 1972-07-20 | 1974-04-02 | E Systems Inc | Ultrasonic-microwave doppler intrusion alarm system |
| US3846778A (en) * | 1973-06-21 | 1974-11-05 | Aerospace Res | Combined ultrasonic and electromagnetic intrusion alarm system |
-
1976
- 1976-03-31 DE DE2613845A patent/DE2613845C3/de not_active Expired
-
1977
- 1977-03-02 CH CH259877A patent/CH614052A5/xx not_active IP Right Cessation
- 1977-03-17 AT AT183577A patent/AT361812B/de not_active IP Right Cessation
- 1977-03-18 FR FR7708158A patent/FR2346786A1/fr active Granted
- 1977-03-24 US US05/780,806 patent/US4275390A/en not_active Expired - Lifetime
- 1977-03-25 SE SE7703443A patent/SE411000B/xx not_active IP Right Cessation
- 1977-03-29 JP JP3515277A patent/JPS52119895A/ja active Pending
- 1977-03-30 NL NL7703473A patent/NL7703473A/xx not_active Application Discontinuation
- 1977-03-31 IT IT7721889A patent/IT1076287B/it active
- 1977-03-31 GB GB13517/77A patent/GB1573847A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2613845B2 (de) | 1978-10-26 |
| FR2346786B1 ( ) | 1980-07-11 |
| SE411000B (sv) | 1979-11-19 |
| JPS52119895A (en) | 1977-10-07 |
| SE7703443L (sv) | 1977-10-01 |
| IT1076287B (it) | 1985-04-27 |
| NL7703473A (nl) | 1977-10-04 |
| ATA183577A (de) | 1980-08-15 |
| CH614052A5 ( ) | 1979-10-31 |
| FR2346786A1 (fr) | 1977-10-28 |
| AT361812B (de) | 1981-04-10 |
| DE2613845C3 (de) | 1979-06-28 |
| US4275390A (en) | 1981-06-23 |
| DE2613845A1 (de) | 1977-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 429A | Application made for amendment of specification (sect. 29/1949) | ||
| 429H | Application (made) for amendment of specification now open to opposition (sect. 29/1949) | ||
| 429D | Case decided by the comptroller ** specification amended (sect. 29/1949) | ||
| SP | Amendment (slips) printed | ||
| PCNP | Patent ceased through non-payment of renewal fee |