AU5256499A - Smoke detectors - Google Patents

Smoke detectors

Info

Publication number
AU5256499A
AU5256499A AU52564/99A AU5256499A AU5256499A AU 5256499 A AU5256499 A AU 5256499A AU 52564/99 A AU52564/99 A AU 52564/99A AU 5256499 A AU5256499 A AU 5256499A AU 5256499 A AU5256499 A AU 5256499A
Authority
AU
Australia
Prior art keywords
smoke detectors
detectors
smoke
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.)
Abandoned
Application number
AU52564/99A
Inventor
Dunstan Walter Runciman
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.)
Ziton SA Pty Ltd
Original Assignee
Ziton SA Pty 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 Ziton SA Pty Ltd filed Critical Ziton SA Pty Ltd
Publication of AU5256499A publication Critical patent/AU5256499A/en
Abandoned 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
AU52564/99A 1998-07-31 1999-08-02 Smoke detectors Abandoned AU5256499A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ZA98/6865 1998-07-31
ZA986865 1998-07-31
PCT/ZA1999/000059 WO2000007161A1 (en) 1998-07-31 1999-08-02 Smoke detectors

Publications (1)

Publication Number Publication Date
AU5256499A true AU5256499A (en) 2000-02-21

Family

ID=25587179

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52564/99A Abandoned AU5256499A (en) 1998-07-31 1999-08-02 Smoke detectors

Country Status (4)

Country Link
EP (1) EP1101210A1 (en)
AU (1) AU5256499A (en)
CA (1) CA2339170A1 (en)
WO (1) WO2000007161A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ553800A0 (en) * 2000-02-10 2000-03-02 Cole, Martin Terence Improvements relating to smoke detectors particularily duct monitored smoke detectors
AU2003268142A1 (en) 2002-08-23 2004-03-11 General Electric Company Rapidly responding, false detection immune alarm signal producing smoke detector
US7564365B2 (en) 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke
DE10246756B4 (en) * 2002-10-07 2006-03-16 Novar Gmbh Fire detection procedure and fire detector for its implementation
GB2397122B (en) * 2003-01-03 2006-02-08 David Appleby Fire detector with low false alarm rate
US7233253B2 (en) 2003-09-12 2007-06-19 Simplexgrinnell Lp Multiwavelength smoke detector using white light LED
US7724367B2 (en) * 2003-10-23 2010-05-25 Siemens Schweiz Ag Particle monitors and method(s) therefor
AU2004201100B2 (en) * 2004-03-16 2009-11-12 Novar Gmbh Fire Detection Method and Fire Detector Therefor
CN100394456C (en) * 2004-04-06 2008-06-11 诺瓦尔有限公司 Fire disaster identifying method and fire alarm therefor
WO2006049613A1 (en) 2004-10-29 2006-05-11 Simplexgrinnell Lp Multiwavelength smoke detector using white light led
EP1887536A1 (en) * 2006-08-09 2008-02-13 Siemens Schweiz AG Smoke alarm using light scattering
GB2464105A (en) * 2008-10-01 2010-04-07 Thorn Security A Particle Detector
EP2227068A1 (en) * 2009-03-06 2010-09-08 Siemens Aktiengesellschaft Alternating transmission of electromagnetic radiation with two radiation sources
DE102011119431C5 (en) 2011-11-25 2018-07-19 Apparatebau Gauting Gmbh Stray radiation fire detector and method for automatically detecting a fire situation
US9140646B2 (en) 2012-04-29 2015-09-22 Valor Fire Safety, Llc Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction
US8947244B2 (en) 2012-04-29 2015-02-03 Valor Fire Safety, Llc Smoke detector utilizing broadband light, external sampling volume, and internally reflected light
US8907802B2 (en) 2012-04-29 2014-12-09 Valor Fire Safety, Llc Smoke detector with external sampling volume and ambient light rejection
KR20140094727A (en) * 2013-01-21 2014-07-31 박정환 Instrument for measuring the smoke density in use of the infrared sensor
WO2015065965A1 (en) 2013-10-30 2015-05-07 Valor Fire Safety, Llc Smoke detector with external sampling volume and ambient light rejection
ES2721929T3 (en) 2014-12-01 2019-08-06 Siemens Schweiz Ag Scattered light smoke detector with a two-color light emitting diode
EP3029648A1 (en) * 2014-12-01 2016-06-08 Siemens Schweiz AG Scattered light smoke detector with two colour light emitting diodes and a common photosensor or with a two colour light emitting diode and with two photosensors, each in a forward and backwards scattered light arrangement
US9651485B1 (en) 2015-12-31 2017-05-16 Google Inc. Systems and methods for using multiple light detecting optoelectronic components of a hazard detection system to determine a smoke condition of an environment
US9903814B2 (en) 2015-12-31 2018-02-27 Google Llc Systems and methods for optically coupling optoelectronic components of a hazard detection system to determine a smoke condition of an environment
CA3032865A1 (en) * 2016-08-04 2018-02-08 Carrier Corporation Smoke detector
RU168853U1 (en) * 2016-08-22 2017-02-21 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО) Smoke detector
US11074796B2 (en) 2019-04-01 2021-07-27 Carrier Corporation Photoelectric smoke detectors
EP3980752A1 (en) * 2019-06-07 2022-04-13 Carrier Corporation Monitoring devices with surface mount technology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2273769B (en) * 1992-12-15 1996-08-28 Stephen Henry Ellwood Proportional light scattering sensor
US5352901A (en) * 1993-04-26 1994-10-04 Cummins Electronics Company, Inc. Forward and back scattering loss compensated smoke detector
GB2319604A (en) * 1996-11-25 1998-05-27 Kidde Fire Protection Ltd Smoke and particle detector

Also Published As

Publication number Publication date
WO2000007161A1 (en) 2000-02-10
EP1101210A1 (en) 2001-05-23
CA2339170A1 (en) 2000-02-10

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase