IL99800A - Device for protection of components of security systems against obstruction - Google Patents

Device for protection of components of security systems against obstruction

Info

Publication number
IL99800A
IL99800A IL9980091A IL9980091A IL99800A IL 99800 A IL99800 A IL 99800A IL 9980091 A IL9980091 A IL 9980091A IL 9980091 A IL9980091 A IL 9980091A IL 99800 A IL99800 A IL 99800A
Authority
IL
Israel
Prior art keywords
radiation
external surface
radiating means
housing
sensing
Prior art date
Application number
IL9980091A
Other languages
English (en)
Hebrew (he)
Other versions
IL99800A0 (en
Inventor
Vito Disabato
Original Assignee
Elkron Spa
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 Elkron Spa filed Critical Elkron Spa
Publication of IL99800A0 publication Critical patent/IL99800A0/xx
Publication of IL99800A publication Critical patent/IL99800A/en

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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
IL9980091A 1990-10-19 1991-10-18 Device for protection of components of security systems against obstruction IL99800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67805A IT1241278B (it) 1990-10-19 1990-10-19 Dispositivo di antiaccecamento per componenti di sistemi di sicurezza.

Publications (2)

Publication Number Publication Date
IL99800A0 IL99800A0 (en) 1992-08-18
IL99800A true IL99800A (en) 1994-02-27

Family

ID=11305423

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9980091A IL99800A (en) 1990-10-19 1991-10-18 Device for protection of components of security systems against obstruction

Country Status (4)

Country Link
US (1) US5243326A (de)
EP (1) EP0481934A1 (de)
IL (1) IL99800A (de)
IT (1) IT1241278B (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9200283A (nl) * 1992-02-17 1993-09-16 Aritech Bv Bewakingssysteem.
US5420567A (en) * 1993-02-02 1995-05-30 Schwarz; Frank Combination fire/intrusion alarm detectors using active infared elements
US5486810A (en) * 1993-02-04 1996-01-23 Schwarz; Frank Infrared detector for detecting motion and fire and an alarm system including the same
JP2983423B2 (ja) * 1993-12-21 1999-11-29 オプテックス株式会社 赤外線式人体検知装置
IL110800A0 (en) * 1994-08-28 1995-07-31 Visonic Ltd Improved intrusion detector with obscuring detection apparatus
IL119372A (en) * 1995-11-03 2000-02-17 Siemens Building Tech Ag Passive infrared intruder detector
EP0772171B1 (de) * 1995-11-03 2003-01-08 Siemens Building Technologies AG Passiver Infrarot-Einbruchdetektor und dessen Verwendung
US5862844A (en) * 1996-05-03 1999-01-26 Nartron Corporation Methods and systems for controlling a dispensing apparatus
NL1003500C2 (nl) * 1996-07-04 1998-01-07 Aritech Bv Bewakingssysteem met lichtgeleidende middelen.
US5861806A (en) * 1997-03-19 1999-01-19 James A. Bondell Occupied room indicator
DE19737166C2 (de) * 1997-08-26 2002-04-25 Esser Security Systems Gmbh PIR-Melder
US6031456A (en) * 1998-05-13 2000-02-29 Nippon Aleph Corporation Detector
GB2339614B (en) * 1998-07-14 2000-06-21 Infrared Integrated Syst Ltd Detector-array sensor with mask warning
GB2344167B (en) * 1998-11-26 2000-09-06 Infrared Integrated Syst Ltd Use of detector arrays to detect cessation of motion
GB9907639D0 (en) * 1999-04-06 1999-05-26 Ncr Int Inc Self-service terminal
EP1061489B1 (de) * 1999-06-07 2004-08-25 Siemens Building Technologies AG Intrusionsmelder mit einer Einrichtung zur Sabotageüberwachung
JP2001229473A (ja) * 2000-02-18 2001-08-24 Optex Co Ltd 妨害検知機能付き防犯センサ
JP2001228020A (ja) * 2000-02-18 2001-08-24 Optex Co Ltd 妨害検知機能付き防犯センサ
US6509840B2 (en) * 2001-01-10 2003-01-21 Gelcore Llc Sun phantom led traffic signal
US6739479B2 (en) * 2002-04-09 2004-05-25 Waterbury Companies, Inc. Dispensing system
JP2005241556A (ja) * 2004-02-27 2005-09-08 Optex Co Ltd 受動型赤外線感知器、およびそれに用いられる妨害検知システム
JP4341435B2 (ja) * 2004-03-18 2009-10-07 株式会社デンソー 距離検出装置
EP1807322B1 (de) 2004-10-12 2008-01-09 S.C.Johnson & Son, Inc Automatische sprühvorrichtung
US8061562B2 (en) 2004-10-12 2011-11-22 S.C. Johnson & Son, Inc. Compact spray device
NL1028683C2 (nl) * 2005-04-04 2006-10-18 Gen Electric Bewakingsinrichting.
EP1989695B1 (de) * 2006-02-20 2013-04-24 Robert Bosch GmbH Hindernis-detektionseinrichtung
GB2453484B (en) 2006-07-27 2009-12-02 Visonic Ltd Passive infrared detectors
EP2128832A1 (de) * 2008-05-30 2009-12-02 Robert Bosch GmbH Abdecküberwachungssystem und -verfahren für Bewegungsdetektoren
EP2290391B1 (de) * 2009-09-01 2020-12-16 G4S Monitoring Technologies Limited Näherungssensoren
EP2498232A1 (de) * 2011-03-10 2012-09-12 Siemens Aktiengesellschaft Detektor
CN104204743B (zh) 2011-11-16 2017-04-12 泰科消防及安全有限公司 运动检测系统和方法
US9123222B2 (en) * 2012-03-15 2015-09-01 Ninve Jr. Inc. Apparatus and method for detecting tampering with an infra-red motion sensor
US9108782B2 (en) * 2012-10-15 2015-08-18 S.C. Johnson & Son, Inc. Dispensing systems with improved sensing capabilities
US10429177B2 (en) 2014-12-30 2019-10-01 Google Llc Blocked sensor detection and notification
US10304318B1 (en) * 2018-03-19 2019-05-28 Ademco Inc. Anti-masking assembly for intrusion detector and method of detecting application of a masking substance
RU2712648C1 (ru) * 2019-05-08 2020-01-30 Федеральное государственное казенное образовательное учреждение высшего образования "Калининградский пограничный институт Федеральной службы безопасности Российской Федерации" Способ распознавания типа нарушителя инфракрасным средством обнаружения
US11804121B2 (en) * 2021-04-01 2023-10-31 Lenovo (Singapore) Pte. Ltd. Human presence detector device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0078443A3 (de) * 1981-10-30 1984-11-28 Armtec Industries, Inc. Branddetektoranlage
GB2141228B (en) * 1983-06-09 1987-01-07 Shorrock Security Systems Ltd Infra-red intrusion detector
FR2574200B1 (fr) * 1984-11-30 1987-01-23 Labo Electronique Physique Dispositif de detection d'intrus muni d'un dispositif d'antimasquage
DE3629715C1 (de) * 1986-09-01 1987-12-17 Fraunhofer Ges Forschung Selbstueberwachende Reflexionslichtschranke
EP0289621A4 (de) * 1986-10-31 1990-07-03 Takenaka Eng Co Ltd Passives infrarot-einbruchmessfühler, ausgerüstet mit sichtfeldunterbrechungsüberwachungsmechanismus.

Also Published As

Publication number Publication date
IT9067805A0 (it) 1990-10-19
IT1241278B (it) 1993-12-29
EP0481934A1 (de) 1992-04-22
US5243326A (en) 1993-09-07
IT9067805A1 (it) 1992-04-19
IL99800A0 (en) 1992-08-18

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Legal Events

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