GB8906440D0 - Smoke detector - Google Patents

Smoke detector

Info

Publication number
GB8906440D0
GB8906440D0 GB898906440A GB8906440A GB8906440D0 GB 8906440 D0 GB8906440 D0 GB 8906440D0 GB 898906440 A GB898906440 A GB 898906440A GB 8906440 A GB8906440 A GB 8906440A GB 8906440 D0 GB8906440 D0 GB 8906440D0
Authority
GB
United Kingdom
Prior art keywords
smoke detector
smoke
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.)
Withdrawn
Application number
GB898906440A
Other versions
GB2217008A (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.)
Dicon Systems Ltd
Original Assignee
Dicon Systems 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 Dicon Systems Ltd filed Critical Dicon Systems Ltd
Publication of GB8906440D0 publication Critical patent/GB8906440D0/en
Publication of GB2217008A publication Critical patent/GB2217008A/en
Withdrawn legal-status Critical Current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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB8906440A 1988-03-21 1989-03-21 Smoke detector Withdrawn GB2217008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA561988 1988-03-21

Publications (2)

Publication Number Publication Date
GB8906440D0 true GB8906440D0 (en) 1989-05-04
GB2217008A GB2217008A (en) 1989-10-18

Family

ID=4137689

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8906440A Withdrawn GB2217008A (en) 1988-03-21 1989-03-21 Smoke detector

Country Status (3)

Country Link
DE (1) DE3909084A1 (en)
FR (1) FR2628872A1 (en)
GB (1) GB2217008A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020014043A1 (en) 2018-07-13 2020-01-16 Carrier Corporation Chambered fiber optic smoke detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129402A (en) * 1966-02-24 1968-10-02 Kidde Walter Co Ltd Improvements in or relating to detectors for smoke and like particles
CH592933A5 (en) * 1976-04-05 1977-11-15 Cerberus Ag
US4230950A (en) * 1979-05-16 1980-10-28 Honeywell Inc. Electro-optic smoke detector
EP0076338A1 (en) * 1981-10-05 1983-04-13 Gamewell Corporation Broad-spectrum particle detector

Also Published As

Publication number Publication date
DE3909084A1 (en) 1989-10-05
GB2217008A (en) 1989-10-18
FR2628872A1 (en) 1989-09-22

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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)