GB9905435D0 - Passive infrared detectors and housings therefor - Google Patents

Passive infrared detectors and housings therefor

Info

Publication number
GB9905435D0
GB9905435D0 GBGB9905435.5A GB9905435A GB9905435D0 GB 9905435 D0 GB9905435 D0 GB 9905435D0 GB 9905435 A GB9905435 A GB 9905435A GB 9905435 D0 GB9905435 D0 GB 9905435D0
Authority
GB
United Kingdom
Prior art keywords
passive infrared
infrared detectors
housings therefor
housings
therefor
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.)
Granted
Application number
GBGB9905435.5A
Other versions
GB2335270B (en
GB2335270A (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.)
RAPID DEPLOYMENT SECURITY ELEC
Original Assignee
RAPID DEPLOYMENT SECURITY ELEC
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 RAPID DEPLOYMENT SECURITY ELEC filed Critical RAPID DEPLOYMENT SECURITY ELEC
Publication of GB9905435D0 publication Critical patent/GB9905435D0/en
Publication of GB2335270A publication Critical patent/GB2335270A/en
Application granted granted Critical
Publication of GB2335270B publication Critical patent/GB2335270B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
GB9905435A 1998-03-11 1999-03-10 Passive infrared detectors and housings therefor Expired - Fee Related GB2335270B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9805022.2A GB9805022D0 (en) 1998-03-11 1998-03-11 Passive infrared detectors and housings therefor

Publications (3)

Publication Number Publication Date
GB9905435D0 true GB9905435D0 (en) 1999-05-05
GB2335270A GB2335270A (en) 1999-09-15
GB2335270B GB2335270B (en) 2003-02-05

Family

ID=10828263

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9805022.2A Ceased GB9805022D0 (en) 1998-03-11 1998-03-11 Passive infrared detectors and housings therefor
GB9905435A Expired - Fee Related GB2335270B (en) 1998-03-11 1999-03-10 Passive infrared detectors and housings therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9805022.2A Ceased GB9805022D0 (en) 1998-03-11 1998-03-11 Passive infrared detectors and housings therefor

Country Status (1)

Country Link
GB (2) GB9805022D0 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937923C2 (en) * 1979-09-19 1984-05-24 Heimann Gmbh, 6200 Wiesbaden Arrangement for preventing false alarms from a passive infrared motion detector
GB2194041B (en) * 1986-08-13 1990-10-03 Hoover Plc Passive infra red detector unit
US5055685A (en) * 1989-12-01 1991-10-08 Optex Co., Ltd. Infrared detecting apparatus
GB9100791D0 (en) * 1991-01-15 1991-02-27 Smiths Industries Plc Detector assemblies
KR970010976B1 (en) * 1993-12-31 1997-07-05 엘지전자 주식회사 Infrared array sensor system
KR0176625B1 (en) * 1996-11-05 1999-04-01 삼성전자주식회사 Infrared object detector

Also Published As

Publication number Publication date
GB2335270B (en) 2003-02-05
GB9805022D0 (en) 1998-05-06
GB2335270A (en) 1999-09-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100310