ITTO910082A1 - ANTI-INTRUSION DEVICE - Google Patents

ANTI-INTRUSION DEVICE

Info

Publication number
ITTO910082A1
ITTO910082A1 IT000082A ITTO910082A ITTO910082A1 IT TO910082 A1 ITTO910082 A1 IT TO910082A1 IT 000082 A IT000082 A IT 000082A IT TO910082 A ITTO910082 A IT TO910082A IT TO910082 A1 ITTO910082 A1 IT TO910082A1
Authority
IT
Italy
Prior art keywords
intrusion device
intrusion
Prior art date
Application number
IT000082A
Other languages
Italian (it)
Inventor
Tommaso Pagoto
Carlo Zelferino
Original Assignee
Bitron Video
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 Bitron Video filed Critical Bitron Video
Priority to ITTO910082A priority Critical patent/IT1245405B/en
Publication of ITTO910082A0 publication Critical patent/ITTO910082A0/en
Priority to EP92102193A priority patent/EP0499177A1/en
Publication of ITTO910082A1 publication Critical patent/ITTO910082A1/en
Application granted granted Critical
Publication of IT1245405B publication Critical patent/IT1245405B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
ITTO910082A 1991-02-11 1991-02-11 ANTI-INTRUSION DEVICE IT1245405B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO910082A IT1245405B (en) 1991-02-11 1991-02-11 ANTI-INTRUSION DEVICE
EP92102193A EP0499177A1 (en) 1991-02-11 1992-02-10 Anti-intrusion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910082A IT1245405B (en) 1991-02-11 1991-02-11 ANTI-INTRUSION DEVICE

Publications (3)

Publication Number Publication Date
ITTO910082A0 ITTO910082A0 (en) 1991-02-11
ITTO910082A1 true ITTO910082A1 (en) 1992-08-11
IT1245405B IT1245405B (en) 1994-09-20

Family

ID=11408887

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910082A IT1245405B (en) 1991-02-11 1991-02-11 ANTI-INTRUSION DEVICE

Country Status (2)

Country Link
EP (1) EP0499177A1 (en)
IT (1) IT1245405B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2983423B2 (en) * 1993-12-21 1999-11-29 オプテックス株式会社 Infrared human body detector
IL110800A0 (en) * 1994-08-28 1995-07-31 Visonic Ltd Improved intrusion detector with obscuring detection apparatus
SG38904A1 (en) * 1995-03-10 1997-04-17 Gen Electric High performance polymer compositions
GB9512753D0 (en) * 1995-06-22 1995-08-30 Dando David J Intrusion sensing system
GB2317486B (en) * 1995-06-22 2000-01-12 David John Dando Intrusion sensing systems
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
DE19605102A1 (en) * 1996-02-12 1997-08-14 Siemens Nixdorf Inf Syst Infrared security system
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
DE59907541D1 (en) 1999-03-08 2003-12-04 Siemens Building Tech Ag Housing for a hazard detector
EP1061489B1 (en) * 1999-06-07 2004-08-25 Siemens Building Technologies AG Intrusion detector with a device for monitoring against tampering
ES2226259T3 (en) * 1999-10-14 2005-03-16 Siemens Building Technologies Ag PASSIVE INFRARED DETECTOR.
ATE274732T1 (en) 2001-11-05 2004-09-15 Siemens Building Tech Ag PASSIVE INFRARED DETECTOR
US7414236B2 (en) 2006-06-16 2008-08-19 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Monitoring devices and intrusion surveillance devices
GB2453484B (en) 2006-07-27 2009-12-02 Visonic Ltd Passive infrared detectors
WO2013072916A1 (en) 2011-11-16 2013-05-23 Visonic Ltd. Motion detection systems and methodologies
US9123222B2 (en) 2012-03-15 2015-09-01 Ninve Jr. Inc. Apparatus and method for detecting tampering with an infra-red motion sensor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1439325A (en) * 1972-05-06 1976-06-16 Kgm Electronics Ltd Alarm detectors
GB1603306A (en) * 1978-04-27 1981-11-25 First Ba Security Ltd Intruder alarms
GB2141228B (en) * 1983-06-09 1987-01-07 Shorrock Security Systems Ltd Infra-red intrusion detector
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
DE8609515U1 (en) * 1986-04-08 1986-07-10 Fritz Fuss Gmbh & Co, 72458 Albstadt Device for sabotage monitoring on an IR motion detector
EP0289621A4 (en) * 1986-10-31 1990-07-03 Takenaka Eng Co Ltd Passive infrared burglar sensor equipped with visual field interruption monitor mechanism.

Also Published As

Publication number Publication date
EP0499177A1 (en) 1992-08-19
IT1245405B (en) 1994-09-20
ITTO910082A0 (en) 1991-02-11

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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: 19940224