DE69816001D1 - Infrarot-Eindringdetektionssystem - Google Patents

Infrarot-Eindringdetektionssystem

Info

Publication number
DE69816001D1
DE69816001D1 DE69816001T DE69816001T DE69816001D1 DE 69816001 D1 DE69816001 D1 DE 69816001D1 DE 69816001 T DE69816001 T DE 69816001T DE 69816001 T DE69816001 T DE 69816001T DE 69816001 D1 DE69816001 D1 DE 69816001D1
Authority
DE
Germany
Prior art keywords
transmitters
transmitter
detection system
intrusion detection
predetermined
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.)
Expired - Lifetime
Application number
DE69816001T
Other languages
English (en)
Inventor
John Thomas Grant
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.)
Security Enclosures Ltd
Original Assignee
Security Enclosures Ltd
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 Security Enclosures Ltd filed Critical Security Enclosures Ltd
Application granted granted Critical
Publication of DE69816001D1 publication Critical patent/DE69816001D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE69816001T 1997-11-26 1998-11-04 Infrarot-Eindringdetektionssystem Expired - Lifetime DE69816001D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9725027.8A GB9725027D0 (en) 1997-11-26 1997-11-26 Infra red intrusion detection system

Publications (1)

Publication Number Publication Date
DE69816001D1 true DE69816001D1 (de) 2003-08-07

Family

ID=10822690

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69816001T Expired - Lifetime DE69816001D1 (de) 1997-11-26 1998-11-04 Infrarot-Eindringdetektionssystem

Country Status (4)

Country Link
EP (1) EP0919969B1 (de)
AT (1) ATE244433T1 (de)
DE (1) DE69816001D1 (de)
GB (1) GB9725027D0 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010587A1 (it) * 2001-06-18 2002-12-18 Giuseppe Mallarino Dispositivo rivelatore a barriera.
JP2003091784A (ja) 2001-09-19 2003-03-28 Optex Co Ltd 多段式能動型赤外線センサ
US8829441B2 (en) 2011-03-21 2014-09-09 Brian McLaughlin Tailgate detection using infra-red beams

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3803033A1 (de) * 1988-02-02 1989-08-10 Sick Erwin Gmbh Lichtschrankengitter
EP0563516A3 (en) * 1992-01-17 1995-03-22 Control Card Srl Optical barrier for detecting moving objects
ATE195190T1 (de) * 1992-04-30 2000-08-15 Reer Spa Optoelektronische schranke
GB9311933D0 (en) * 1993-06-09 1993-07-28 Intelsec Systems Ltd Detector systems
DE4338978C2 (de) * 1993-11-15 1998-05-07 Sick Ag Verfahren zur Feststellung defekter Lichtsender und/oder Lichtempfänger eines Lichtgitters und Lichtgitter

Also Published As

Publication number Publication date
EP0919969A2 (de) 1999-06-02
GB9725027D0 (en) 1998-01-28
ATE244433T1 (de) 2003-07-15
EP0919969B1 (de) 2003-07-02
EP0919969A3 (de) 2000-05-03

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Legal Events

Date Code Title Description
8332 No legal effect for de