GB9926253D0 - Improvements relating to intruder detectors - Google Patents

Improvements relating to intruder detectors

Info

Publication number
GB9926253D0
GB9926253D0 GBGB9926253.7A GB9926253A GB9926253D0 GB 9926253 D0 GB9926253 D0 GB 9926253D0 GB 9926253 A GB9926253 A GB 9926253A GB 9926253 D0 GB9926253 D0 GB 9926253D0
Authority
GB
United Kingdom
Prior art keywords
improvements relating
intruder detectors
intruder
detectors
relating
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.)
Ceased
Application number
GBGB9926253.7A
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.)
ADEMCO MICROTECH Ltd
Original Assignee
ADEMCO MICROTECH 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 ADEMCO MICROTECH Ltd filed Critical ADEMCO MICROTECH Ltd
Priority to GBGB9926253.7A priority Critical patent/GB9926253D0/en
Publication of GB9926253D0 publication Critical patent/GB9926253D0/en
Priority to AU11566/01A priority patent/AU1156601A/en
Priority to PCT/GB2000/004197 priority patent/WO2001035363A1/en
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G08B29/18—Prevention or correction of operating errors
    • 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
    • G08B13/191—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 using pyroelectric sensor means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
GBGB9926253.7A 1999-11-06 1999-11-06 Improvements relating to intruder detectors Ceased GB9926253D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB9926253.7A GB9926253D0 (en) 1999-11-06 1999-11-06 Improvements relating to intruder detectors
AU11566/01A AU1156601A (en) 1999-11-06 2000-11-02 Improvements relating to detectors
PCT/GB2000/004197 WO2001035363A1 (en) 1999-11-06 2000-11-02 Improvements relating to detectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9926253.7A GB9926253D0 (en) 1999-11-06 1999-11-06 Improvements relating to intruder detectors

Publications (1)

Publication Number Publication Date
GB9926253D0 true GB9926253D0 (en) 2000-01-12

Family

ID=10864034

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9926253.7A Ceased GB9926253D0 (en) 1999-11-06 1999-11-06 Improvements relating to intruder detectors

Country Status (3)

Country Link
AU (1) AU1156601A (en)
GB (1) GB9926253D0 (en)
WO (1) WO2001035363A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4005169A1 (en) * 1990-02-17 1991-08-22 Bellmann B V MOvement detector using IR sensor - converts sensor signals into digitally processed signals handled by microprocessor
CH689071A5 (en) * 1994-03-24 1998-08-31 Cerberus Ag Signal processing circuit for a motion.
US6078253A (en) * 1997-02-04 2000-06-20 Mytech Corporation Occupancy sensor and method of operating same

Also Published As

Publication number Publication date
WO2001035363A1 (en) 2001-05-17
AU1156601A (en) 2001-06-06

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)