GB9227121D0 - Passive infrared detection system - Google Patents

Passive infrared detection system

Info

Publication number
GB9227121D0
GB9227121D0 GB929227121A GB9227121A GB9227121D0 GB 9227121 D0 GB9227121 D0 GB 9227121D0 GB 929227121 A GB929227121 A GB 929227121A GB 9227121 A GB9227121 A GB 9227121A GB 9227121 D0 GB9227121 D0 GB 9227121D0
Authority
GB
United Kingdom
Prior art keywords
detection system
infrared detection
passive infrared
passive
infrared
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Withdrawn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
GB929227121A
Other versions
GB2273982A (en
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.)
DELKIM Ltd
Original Assignee
DELKIM 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 DELKIM Ltd filed Critical DELKIM Ltd
Priority to GB9227121A priority Critical patent/GB2273982A/en
Publication of GB9227121D0 publication Critical patent/GB9227121D0/en
Publication of GB2273982A publication Critical patent/GB2273982A/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Withdrawn legal-status Critical Current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
    • G08B13/189—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
    • 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
GB9227121A 1992-12-30 1992-12-30 Security system for angling equipment Withdrawn GB2273982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9227121A GB2273982A (en) 1992-12-30 1992-12-30 Security system for angling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9227121A GB2273982A (en) 1992-12-30 1992-12-30 Security system for angling equipment

Publications (2)

Publication Number Publication Date
GB9227121D0 true GB9227121D0 (en) 1993-02-24
GB2273982A GB2273982A (en) 1994-07-06

Family

ID=10727334

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9227121A Withdrawn GB2273982A (en) 1992-12-30 1992-12-30 Security system for angling equipment

Country Status (1)

Country Link
GB (1) GB2273982A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19534564C2 (en) * 1995-09-18 1998-12-24 Andreas Toeteberg Procedure for the transfer of information between alarm devices or other system devices of an alarm system
DE19639318C1 (en) * 1996-09-25 1997-12-18 Andreas Toeteberg Multiple passive infrared motion sensor
GB2569384A (en) * 2017-12-18 2019-06-19 Wolf Holdings Ltd A fishing appliance with a port

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590460A (en) * 1984-10-03 1986-05-20 Abbott Ralph E Stairwell security system
US4970494A (en) * 1989-11-20 1990-11-13 Keely William A Radio controlled home security system

Also Published As

Publication number Publication date
GB2273982A (en) 1994-07-06

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)