EP0226694A3 - Method and arrangement for monitoring a space - Google Patents

Method and arrangement for monitoring a space

Info

Publication number
EP0226694A3
EP0226694A3 EP86106425A EP86106425A EP0226694A3 EP 0226694 A3 EP0226694 A3 EP 0226694A3 EP 86106425 A EP86106425 A EP 86106425A EP 86106425 A EP86106425 A EP 86106425A EP 0226694 A3 EP0226694 A3 EP 0226694A3
Authority
EP
European Patent Office
Prior art keywords
wave field
room
relative intensity
spatial structure
thief
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.)
Withdrawn
Application number
EP86106425A
Other languages
German (de)
French (fr)
Other versions
EP0226694A2 (en
Inventor
Hans Dr. Kolb
Harald Müller
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.)
f+g megamos Sicherheitselektronik GmbH
Original Assignee
f+g megamos Sicherheitselektronik GmbH
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 f+g megamos Sicherheitselektronik GmbH filed Critical f+g megamos Sicherheitselektronik GmbH
Publication of EP0226694A2 publication Critical patent/EP0226694A2/en
Publication of EP0226694A3 publication Critical patent/EP0226694A3/en
Withdrawn legal-status Critical Current

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
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors
    • 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
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/187—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interference of a radiation field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

Räume, insbesondere Kraftfahrzeug-Innenräume, wer­ den überwacht und das Eindringen von Personen oder Gegenständen festgestellt. Ein elektromagnetisches Wellen­ feld wird an einer Stelle in den Raum eingestrahlt. An einer anderen Stelle trifft es gegebenenfalls nach einer Reflexion auf einen Empfänger. Das Besondere liegt darin, daß das Wellenfeld eine räumliche Struktur aufweist. Damit ergeben sich am Empfänger ein relatives Intensitäts-Minimum und ein relatives Intensitäts-Maximum. Deren Differenz wird im Ruhezustand gebildet und als Bezugswert abgespeichert. Sofern ein Dieb in den Raum eindringt, ändert sich diese Dif­ ferenz. Eine intelligente Elektronik stellt dies fest und löst einen Alarm aus. Ein Dieb kann die dem Wellenfeld aufgezw­ ungene räumliche Struktur nicht ermitteln. Damit ist die erfindungsgemäße Überwachung nicht zu überlisten und arbeitet störungsfrei. Rooms, especially motor vehicle interiors, who which monitors and intrusion of people or Objects found. An electromagnetic wave field is radiated into the room at one point. At a elsewhere it may be after a reflection to a recipient. The special thing is that the Wave field has a spatial structure. With it result a relative intensity minimum at the receiver and a relative intensity maximum. Their difference is in the Quiescent state formed and stored as a reference value. If a thief enters the room, this dif changes reference. Intelligent electronics detect this and solve it an alarm. A thief can force the wave field on do not determine inadequate spatial structure. So that's it surveillance not to outsmart and works trouble-free.

EP86106425A 1985-12-21 1986-05-12 Method and arrangement for monitoring a space Withdrawn EP0226694A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3545643 1985-12-21
DE3545643 1985-12-21
DE3612653 1986-04-15
DE19863612653 DE3612653A1 (en) 1985-12-21 1986-04-15 METHOD AND ARRANGEMENT FOR MONITORING A SPACE

Publications (2)

Publication Number Publication Date
EP0226694A2 EP0226694A2 (en) 1987-07-01
EP0226694A3 true EP0226694A3 (en) 1988-08-31

Family

ID=25839237

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106425A Withdrawn EP0226694A3 (en) 1985-12-21 1986-05-12 Method and arrangement for monitoring a space

Country Status (2)

Country Link
EP (1) EP0226694A3 (en)
DE (1) DE3612653A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3734703A1 (en) * 1987-10-14 1989-04-27 Trans Signal Gilewsky Gmbh & C Method for monitoring interior spaces by reflecting photoelectric beams
DE3916500A1 (en) * 1989-05-20 1990-11-22 Eberhard Zech METHOD FOR DETERMINING THE MOVEMENT PROCESS OF AN OBJECT, IN PARTICULAR AN OBJECT IN A ROOM
DE3932659C1 (en) * 1989-09-29 1991-03-28 Richard Hirschmann Gmbh & Co, 7300 Esslingen, De Room e.g. vehicle interior and-or object monitoring method - examining changes in EM field beam from transmitter and activating alarm when amplitude of detected signals exceeds set level
DE4334197C2 (en) * 1993-10-07 1997-01-23 Telefunken Microelectron Method for monitoring the openings of a closed room
DE19520891A1 (en) * 1995-06-08 1996-12-12 Abb Patent Gmbh Arrangement with emissivity structure in the infrared range
DE29705580U1 (en) * 1997-03-27 1997-05-22 Bayerische Motoren Werke AG, 80809 München Device for monitoring the interior of a vehicle
DE10012028A1 (en) * 2000-03-11 2001-09-27 Daimler Chrysler Ag Optical sensing system, for monitoring intrusion into a road vehicle passenger compartment, has several light sources radiating at different wavelengths of
DE10050083A1 (en) 2000-10-10 2002-04-18 Sick Ag Device and method for detecting objects
JP4183001B2 (en) * 2006-10-19 2008-11-19 トヨタ自動車株式会社 Intrusion detection system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927131A1 (en) * 1968-05-29 1969-12-04 Pilkington Perkin Elmer Ltd Device for determining the presence of a foreign body or inclusion in a specific room
EP0021163A1 (en) * 1979-06-09 1981-01-07 Firma Carl Zeiss Plane intrusion security system
FR2474208A1 (en) * 1980-01-19 1981-07-24 Vinten Ltd IMPROVEMENTS ON INTRUDER ALARM DEVICES
DE3045217A1 (en) * 1980-12-01 1982-07-01 Brown, Boveri & Cie Ag, 6800 Mannheim METHOD AND DEVICE FOR THE OPTICAL MONITORING AND SECURING OF SPACES AGAINST INTRUDERS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927131A1 (en) * 1968-05-29 1969-12-04 Pilkington Perkin Elmer Ltd Device for determining the presence of a foreign body or inclusion in a specific room
EP0021163A1 (en) * 1979-06-09 1981-01-07 Firma Carl Zeiss Plane intrusion security system
FR2474208A1 (en) * 1980-01-19 1981-07-24 Vinten Ltd IMPROVEMENTS ON INTRUDER ALARM DEVICES
DE3045217A1 (en) * 1980-12-01 1982-07-01 Brown, Boveri & Cie Ag, 6800 Mannheim METHOD AND DEVICE FOR THE OPTICAL MONITORING AND SECURING OF SPACES AGAINST INTRUDERS

Also Published As

Publication number Publication date
DE3612653C2 (en) 1988-03-10
DE3612653A1 (en) 1987-07-02
EP0226694A2 (en) 1987-07-01

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Inventor name: MUELLER, HARALD

Inventor name: KOLB, HANS, DR.