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GB9107062D0 - Intruder detection arrangements and methods - Google Patents

Intruder detection arrangements and methods

Info

Publication number
GB9107062D0
GB9107062D0 GB919107062A GB9107062A GB9107062D0 GB 9107062 D0 GB9107062 D0 GB 9107062D0 GB 919107062 A GB919107062 A GB 919107062A GB 9107062 A GB9107062 A GB 9107062A GB 9107062 D0 GB9107062 D0 GB 9107062D0
Authority
GB
United Kingdom
Prior art keywords
methods
intruder detection
detection arrangements
arrangements
intruder
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.)
Pending
Application number
GB919107062A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KGS Fire and Security UK Ltd
Original Assignee
Racal Guardall Scotland Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Racal Guardall Scotland Ltd filed Critical Racal Guardall Scotland Ltd
Priority to GB919107062A priority Critical patent/GB9107062D0/en
Publication of GB9107062D0 publication Critical patent/GB9107062D0/en
Priority to DE1991627068 priority patent/DE69127068T2/en
Priority to EP19910307782 priority patent/EP0507025B1/en
Pending legal-status Critical Current

Links

GB919107062A 1991-04-04 1991-04-04 Intruder detection arrangements and methods Pending GB9107062D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB919107062A GB9107062D0 (en) 1991-04-04 1991-04-04 Intruder detection arrangements and methods
DE1991627068 DE69127068T2 (en) 1991-04-04 1991-08-23 Intrusion detection method and apparatus
EP19910307782 EP0507025B1 (en) 1991-04-04 1991-08-23 Intruder detection arrangements and methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919107062A GB9107062D0 (en) 1991-04-04 1991-04-04 Intruder detection arrangements and methods

Publications (1)

Publication Number Publication Date
GB9107062D0 true GB9107062D0 (en) 1991-05-22

Family

ID=10692632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB919107062A Pending GB9107062D0 (en) 1991-04-04 1991-04-04 Intruder detection arrangements and methods

Country Status (3)

Country Link
EP (1) EP0507025B1 (en)
DE (1) DE69127068T2 (en)
GB (1) GB9107062D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772171B1 (en) * 1995-11-03 2003-01-08 Siemens Building Technologies AG Passive intrusion detector and its use
IL119372A (en) * 1995-11-03 2000-02-17 Siemens Building Tech Ag Passive infrared intruder detector
GB2339614B (en) * 1998-07-14 2000-06-21 Infrared Integrated Syst Ltd Detector-array sensor with mask warning
EP1061489B1 (en) * 1999-06-07 2004-08-25 Siemens Building Technologies AG Intrusion detector with a device for monitoring against tampering
GB0202467D0 (en) * 2002-02-02 2002-03-20 Qinetiq Ltd Sensor with obscurant detection
US7414236B2 (en) * 2006-06-16 2008-08-19 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Monitoring devices and intrusion surveillance devices
EP2128832A1 (en) 2008-05-30 2009-12-02 Robert Bosch GmbH Anti-masking system and method for motion detectors
US9324222B2 (en) * 2013-02-28 2016-04-26 Honeywell International Inc. Tamper resistant motion detector
WO2015109277A1 (en) 2014-01-17 2015-07-23 Gojo Industries, Inc. Sensor configuration

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928849A (en) * 1974-12-17 1975-12-23 Us Energy Intrusion detector self-test system
FR2574200B1 (en) * 1984-11-30 1987-01-23 Labo Electronique Physique DEVICE FOR DETECTING AN INTRUDER PROVIDED WITH AN ANTI-MASKING DEVICE
EP0189536B1 (en) * 1985-01-08 1989-10-11 Cerberus Ag Infrared intrusion detector
US4982094A (en) * 1986-10-31 1991-01-01 Takenaka Engineering Co., Ltd. Passive type crime-preventing infrared sensor provided with a mechanism of monitoring an obstruction for the visual field

Also Published As

Publication number Publication date
EP0507025B1 (en) 1997-07-30
EP0507025A2 (en) 1992-10-07
DE69127068D1 (en) 1997-09-04
EP0507025A3 (en) 1993-02-24
DE69127068T2 (en) 1998-01-15

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