ATE244433T1 - Infrarot-eindringdetektionssystem - Google Patents

Infrarot-eindringdetektionssystem

Info

Publication number
ATE244433T1
ATE244433T1 AT98309021T AT98309021T ATE244433T1 AT E244433 T1 ATE244433 T1 AT E244433T1 AT 98309021 T AT98309021 T AT 98309021T AT 98309021 T AT98309021 T AT 98309021T AT E244433 T1 ATE244433 T1 AT E244433T1
Authority
AT
Austria
Prior art keywords
transmitters
transmitter
detection system
intrusion detection
predetermined
Prior art date
Application number
AT98309021T
Other languages
English (en)
Inventor
John Thomas Grant
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 ATE244433T1 publication Critical patent/ATE244433T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
AT98309021T 1997-11-26 1998-11-04 Infrarot-eindringdetektionssystem ATE244433T1 (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
ATE244433T1 true ATE244433T1 (de) 2003-07-15

Family

ID=10822690

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98309021T ATE244433T1 (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
DE69231311T2 (de) * 1992-04-30 2001-02-15 Reer S.P.A., Turin/Torino 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
EP0919969A3 (de) 2000-05-03
EP0919969A2 (de) 1999-06-02
DE69816001D1 (de) 2003-08-07
EP0919969B1 (de) 2003-07-02
GB9725027D0 (en) 1998-01-28

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties