IT1219751B - Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione - Google Patents

Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione

Info

Publication number
IT1219751B
IT1219751B IT67339/88A IT6733988A IT1219751B IT 1219751 B IT1219751 B IT 1219751B IT 67339/88 A IT67339/88 A IT 67339/88A IT 6733988 A IT6733988 A IT 6733988A IT 1219751 B IT1219751 B IT 1219751B
Authority
IT
Italy
Prior art keywords
infrared detector
detector device
combined microwave
intrusion systems
intrusion
Prior art date
Application number
IT67339/88A
Other languages
English (en)
Other versions
IT8867339A0 (it
Inventor
Luigi Bianco
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 IT67339/88A priority Critical patent/IT1219751B/it
Publication of IT8867339A0 publication Critical patent/IT8867339A0/it
Priority to EP89830158A priority patent/EP0337964A1/en
Application granted granted Critical
Publication of IT1219751B publication Critical patent/IT1219751B/it

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
    • 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
    • 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
IT67339/88A 1988-04-13 1988-04-13 Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione IT1219751B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT67339/88A IT1219751B (it) 1988-04-13 1988-04-13 Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione
EP89830158A EP0337964A1 (en) 1988-04-13 1989-04-11 A combined microwave and infra-red detector device, particularly for anti-intrusion systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67339/88A IT1219751B (it) 1988-04-13 1988-04-13 Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione

Publications (2)

Publication Number Publication Date
IT8867339A0 IT8867339A0 (it) 1988-04-13
IT1219751B true IT1219751B (it) 1990-05-24

Family

ID=11301580

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67339/88A IT1219751B (it) 1988-04-13 1988-04-13 Dispositivo rivelatore combinato a microonde e raggi infrarossi particolarmente per sistemi anti intrusione

Country Status (2)

Country Link
EP (1) EP0337964A1 (it)
IT (1) IT1219751B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH680881A5 (it) * 1990-09-05 1992-11-30 Cerberus Ag
DE69101002T2 (de) * 1990-10-29 1994-05-05 Teknox Srl Infraroter Anwesenheitsdetektor.
US5491467A (en) * 1994-01-31 1996-02-13 C & K Systems, Inc. Location independent intrusion detection system
GB2317486B (en) * 1995-06-22 2000-01-12 David John Dando Intrusion sensing systems
GB9512753D0 (en) * 1995-06-22 1995-08-30 Dando David J Intrusion sensing system
GB2308482B (en) * 1995-12-20 2000-03-29 Pyronix Ltd Event detection device with fault monitoring capability
GB2312992A (en) * 1996-05-10 1997-11-12 Pyronix Ltd Doppler microwave event detection device
DE19745493C2 (de) * 1997-10-15 2001-02-01 Schuebler Fahrzeugtechnik Gmbh Vorrichtung zur Sicherung des Rückraumbereiches eines Kraftfahrzeuges
ES2187293B1 (es) * 2001-10-25 2004-09-01 S.D.P. Sistemas De Proteccion, S.L. Dispositivo de seguridad y sistema de alarma de intrusion.
GB2422970B (en) * 2005-02-02 2008-09-10 Pyronix Ltd Detection apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603306A (en) * 1978-04-27 1981-11-25 First Ba Security Ltd Intruder alarms
EP0147925A1 (en) * 1983-10-19 1985-07-10 C & K Systems, Inc. Combination infrared microwave intrusion detector
DE8609515U1 (de) * 1986-04-08 1986-07-10 Fritz Fuss Gmbh & Co, 72458 Albstadt Vorrichtung zur Sabotageüberwachung an einem IR-Bewegungsmelder
GB2199973B (en) * 1987-01-15 1990-09-26 Racal Guardall Security sensors

Also Published As

Publication number Publication date
IT8867339A0 (it) 1988-04-13
EP0337964A1 (en) 1989-10-18

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Legal Events

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

Effective date: 19970530