GB8529435D0 - Fire detector - Google Patents

Fire detector

Info

Publication number
GB8529435D0
GB8529435D0 GB858529435A GB8529435A GB8529435D0 GB 8529435 D0 GB8529435 D0 GB 8529435D0 GB 858529435 A GB858529435 A GB 858529435A GB 8529435 A GB8529435 A GB 8529435A GB 8529435 D0 GB8529435 D0 GB 8529435D0
Authority
GB
United Kingdom
Prior art keywords
fire detector
fire
detector
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.)
Pending
Application number
GB858529435A
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.)
Novar Systems Ltd
Original Assignee
Gent 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 Gent Ltd filed Critical Gent Ltd
Priority to GB858529435A priority Critical patent/GB8529435D0/en
Publication of GB8529435D0 publication Critical patent/GB8529435D0/en
Priority to DE3650197T priority patent/DE3650197T2/en
Priority to EP86309241A priority patent/EP0227320B1/en
Priority to JP61282171A priority patent/JPH0820363B2/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
GB858529435A 1985-11-29 1985-11-29 Fire detector Pending GB8529435D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB858529435A GB8529435D0 (en) 1985-11-29 1985-11-29 Fire detector
DE3650197T DE3650197T2 (en) 1985-11-29 1986-11-26 Fire detector.
EP86309241A EP0227320B1 (en) 1985-11-29 1986-11-26 Fire detector
JP61282171A JPH0820363B2 (en) 1985-11-29 1986-11-28 Fire detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858529435A GB8529435D0 (en) 1985-11-29 1985-11-29 Fire detector

Publications (1)

Publication Number Publication Date
GB8529435D0 true GB8529435D0 (en) 1986-01-08

Family

ID=10588985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB858529435A Pending GB8529435D0 (en) 1985-11-29 1985-11-29 Fire detector

Country Status (3)

Country Link
EP (1) EP0227320B1 (en)
DE (1) DE3650197T2 (en)
GB (1) GB8529435D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9514972D0 (en) * 1995-07-21 1995-09-20 Thorn Security Smoke detector labyrinth
GB9518913D0 (en) * 1995-09-15 1995-11-15 Rudd Norman A pesticidal device
GB2308978B (en) * 1995-09-15 1999-04-28 Norman Rudd A pesticidal device
JPH09270085A (en) * 1996-04-01 1997-10-14 Hamamatsu Photonics Kk Smoke production detector
JP3934423B2 (en) 2002-01-11 2007-06-20 ホーチキ株式会社 Scattered smoke detector
FR2928220B1 (en) * 2008-03-03 2014-08-22 F A R E COMPACT SMOKE DETECTOR
EP3671680A1 (en) 2018-12-18 2020-06-24 Siemens Schweiz AG Fire or smoke alarm

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099065A (en) * 1976-10-12 1978-07-04 Chloride, Incorporated Smoke detector with chamber for producing eddy currents
DE3371828D1 (en) * 1982-10-11 1987-07-02 Cerberus Ag Diffused radiation smoke detector
JPS6013449U (en) * 1983-03-31 1985-01-29 ホーチキ株式会社 Structure of smoke detection part of scattered light smoke detector

Also Published As

Publication number Publication date
EP0227320A3 (en) 1988-08-03
EP0227320A2 (en) 1987-07-01
DE3650197T2 (en) 1995-05-11
EP0227320B1 (en) 1995-01-04
DE3650197D1 (en) 1995-02-16

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