GB8908324D0 - Infra red detector - Google Patents

Infra red detector

Info

Publication number
GB8908324D0
GB8908324D0 GB898908324A GB8908324A GB8908324D0 GB 8908324 D0 GB8908324 D0 GB 8908324D0 GB 898908324 A GB898908324 A GB 898908324A GB 8908324 A GB8908324 A GB 8908324A GB 8908324 D0 GB8908324 D0 GB 8908324D0
Authority
GB
United Kingdom
Prior art keywords
infra red
red detector
detector
infra
red
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Withdrawn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
GB898908324A
Other versions
GB2217446A (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.)
Linolite Ltd
Original Assignee
Linolite 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 Linolite Ltd filed Critical Linolite Ltd
Publication of GB8908324D0 publication Critical patent/GB8908324D0/en
Publication of GB2217446A publication Critical patent/GB2217446A/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Withdrawn legal-status Critical Current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
    • G08B13/193—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 focusing means
GB8908324A 1988-04-14 1989-04-13 Infra red detector Withdrawn GB2217446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888808789A GB8808789D0 (en) 1988-04-14 1988-04-14 Infra red detector

Publications (2)

Publication Number Publication Date
GB8908324D0 true GB8908324D0 (en) 1989-06-01
GB2217446A GB2217446A (en) 1989-10-25

Family

ID=10635167

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888808789A Pending GB8808789D0 (en) 1988-04-14 1988-04-14 Infra red detector
GB8908324A Withdrawn GB2217446A (en) 1988-04-14 1989-04-13 Infra red detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888808789A Pending GB8808789D0 (en) 1988-04-14 1988-04-14 Infra red detector

Country Status (1)

Country Link
GB (2) GB8808789D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9201889U1 (en) * 1992-02-14 1992-07-09 Brueck, Friedrich, 5253 Lindlar, De
DE10123468A1 (en) * 2001-05-15 2002-11-21 Merten Gmbh & Co Kg motion detector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852813A1 (en) * 1978-12-06 1980-06-19 Siemens Ag INTRUSION PROTECTION DETECTOR

Also Published As

Publication number Publication date
GB8808789D0 (en) 1988-05-18
GB2217446A (en) 1989-10-25

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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)