IT1241278B - Dispositivo di antiaccecamento per componenti di sistemi di sicurezza. - Google Patents

Dispositivo di antiaccecamento per componenti di sistemi di sicurezza.

Info

Publication number
IT1241278B
IT1241278B IT67805A IT6780590A IT1241278B IT 1241278 B IT1241278 B IT 1241278B IT 67805 A IT67805 A IT 67805A IT 6780590 A IT6780590 A IT 6780590A IT 1241278 B IT1241278 B IT 1241278B
Authority
IT
Italy
Prior art keywords
components
security systems
blinding device
blinding
security
Prior art date
Application number
IT67805A
Other languages
English (en)
Other versions
IT9067805A0 (it
IT9067805A1 (it
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
Priority to IT67805A priority Critical patent/IT1241278B/it
Publication of IT9067805A0 publication Critical patent/IT9067805A0/it
Priority to EP91830439A priority patent/EP0481934A1/en
Priority to US07/776,808 priority patent/US5243326A/en
Priority to IL9980091A priority patent/IL99800A/en
Publication of IT9067805A1 publication Critical patent/IT9067805A1/it
Application granted granted Critical
Publication of IT1241278B publication Critical patent/IT1241278B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
IT67805A 1990-10-19 1990-10-19 Dispositivo di antiaccecamento per componenti di sistemi di sicurezza. IT1241278B (it)

Priority Applications (4)

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.
EP91830439A EP0481934A1 (en) 1990-10-19 1991-10-15 An anti-masking device for security systems
US07/776,808 US5243326A (en) 1990-10-19 1991-10-15 Device for protecting components of security systems against obstruction
IL9980091A IL99800A (en) 1990-10-19 1991-10-18 Device for protection of components of security systems against obstruction

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 (3)

Publication Number Publication Date
IT9067805A0 IT9067805A0 (it) 1990-10-19
IT9067805A1 IT9067805A1 (it) 1992-04-19
IT1241278B true IT1241278B (it) 1993-12-29

Family

ID=11305423

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (38)

* 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
EP0772171B1 (de) * 1995-11-03 2003-01-08 Siemens Building Technologies AG Passiver Infrarot-Einbruchdetektor und dessen Verwendung
IL119372A (en) * 1995-11-03 2000-02-17 Siemens Building Tech Ag Passive infrared intruder detector
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
JP2001228020A (ja) * 2000-02-18 2001-08-24 Optex Co Ltd 妨害検知機能付き防犯センサ
JP2001229473A (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
RU2292598C2 (ru) * 2004-09-21 2007-01-27 Закрытое акционерное общество "РИЭЛТА" Охранный оптико-электронный пассивный инфракрасный извещатель, содержащий устройство для обнаружения маскирования извещателя
KR20110116183A (ko) 2004-10-12 2011-10-25 에스.씨. 존슨 앤드 선, 인코포레이티드 소형의 스프레이 기구
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 (en) * 2006-02-20 2013-04-24 Robert Bosch GmbH Obstruction detection device
GB2453484B (en) 2006-07-27 2009-12-02 Visonic Ltd Passive infrared detectors
EP2128832A1 (en) * 2008-05-30 2009-12-02 Robert Bosch GmbH Anti-masking system and method for motion detectors
ES2859780T3 (es) * 2009-09-01 2021-10-04 G4S Monitoring Tech Limited Sensores de proximidad
EP2498232A1 (en) * 2011-03-10 2012-09-12 Siemens Aktiengesellschaft Detector
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 (en) * 1981-10-30 1984-11-28 Armtec Industries, Inc. Fire detection system
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
WO1988003301A1 (fr) * 1986-10-31 1988-05-05 Takenaka Engineering Co., Ltd. Detecteur infrarouge passif de cambriolage pourvu d'un mecanisme de surveillance d'interruptions du champ visuel

Also Published As

Publication number Publication date
IT9067805A0 (it) 1990-10-19
IT9067805A1 (it) 1992-04-19
US5243326A (en) 1993-09-07
IL99800A (en) 1994-02-27
IL99800A0 (en) 1992-08-18
EP0481934A1 (en) 1992-04-22

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951031