GB9514972D0 - Smoke detector labyrinth - Google Patents

Smoke detector labyrinth

Info

Publication number
GB9514972D0
GB9514972D0 GBGB9514972.0A GB9514972A GB9514972D0 GB 9514972 D0 GB9514972 D0 GB 9514972D0 GB 9514972 A GB9514972 A GB 9514972A GB 9514972 D0 GB9514972 D0 GB 9514972D0
Authority
GB
United Kingdom
Prior art keywords
smoke detector
detector labyrinth
labyrinth
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.)
Pending
Application number
GBGB9514972.0A
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.)
Thorn Security Ltd
Original Assignee
Thorn Security 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 Thorn Security Ltd filed Critical Thorn Security Ltd
Priority to GBGB9514972.0A priority Critical patent/GB9514972D0/en
Publication of GB9514972D0 publication Critical patent/GB9514972D0/en
Priority to PCT/GB1996/001716 priority patent/WO1997004429A1/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)
GBGB9514972.0A 1995-07-21 1995-07-21 Smoke detector labyrinth Pending GB9514972D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB9514972.0A GB9514972D0 (en) 1995-07-21 1995-07-21 Smoke detector labyrinth
PCT/GB1996/001716 WO1997004429A1 (en) 1995-07-21 1996-07-19 Smoke detector labyrinth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9514972.0A GB9514972D0 (en) 1995-07-21 1995-07-21 Smoke detector labyrinth

Publications (1)

Publication Number Publication Date
GB9514972D0 true GB9514972D0 (en) 1995-09-20

Family

ID=10778047

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9514972.0A Pending GB9514972D0 (en) 1995-07-21 1995-07-21 Smoke detector labyrinth

Country Status (2)

Country Link
GB (1) GB9514972D0 (en)
WO (1) WO1997004429A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ636700A0 (en) * 2000-03-21 2000-04-15 Vision Systems Limited A particle detector
FR2928220B1 (en) * 2008-03-03 2014-08-22 F A R E COMPACT SMOKE DETECTOR
US11074796B2 (en) 2019-04-01 2021-07-27 Carrier Corporation Photoelectric smoke detectors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430049A1 (en) * 1978-06-30 1980-01-25 Coffin Pierre Fire detector responsive to rate of temp. rise - has transistor base coupled to two identical thermistors forming voltage divider
GB8502506D0 (en) * 1985-01-31 1985-03-06 Emi Ltd Smoke detector
GB8529435D0 (en) * 1985-11-29 1986-01-08 Gent Ltd Fire detector
GB9417484D0 (en) * 1993-09-07 1994-10-19 Hochiki Co Light scattering type smoke sensor

Also Published As

Publication number Publication date
WO1997004429A1 (en) 1997-02-06

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