WO2001043099A3 - Smoke detector using scatter emitter and obscuration emitter and a single receiver - Google Patents

Smoke detector using scatter emitter and obscuration emitter and a single receiver Download PDF

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Publication number
WO2001043099A3
WO2001043099A3 PCT/US2000/042618 US0042618W WO0143099A3 WO 2001043099 A3 WO2001043099 A3 WO 2001043099A3 US 0042618 W US0042618 W US 0042618W WO 0143099 A3 WO0143099 A3 WO 0143099A3
Authority
WO
WIPO (PCT)
Prior art keywords
emitter
smoke detector
obscuration
chamber
scatter
Prior art date
Application number
PCT/US2000/042618
Other languages
French (fr)
Other versions
WO2001043099A2 (en
Inventor
Brian J Kadwell
Greg R Pattok
Original Assignee
Gentex Corp
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 Gentex Corp filed Critical Gentex Corp
Priority to CA002392705A priority Critical patent/CA2392705C/en
Priority to AU43104/01A priority patent/AU4310401A/en
Publication of WO2001043099A2 publication Critical patent/WO2001043099A2/en
Publication of WO2001043099A3 publication Critical patent/WO2001043099A3/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/12Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • G08B17/125Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103Actuation 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
    • G08B17/107Actuation 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
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation 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
    • G08B17/113Constructional details
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02Monitoring continuously signalling or alarm systems
    • G08B29/04Monitoring of the detection circuits
    • G08B29/043Monitoring of the detection circuits of fire detection circuits

Abstract

A smoke detector (50) includes a housing defining a dark chamber (24) admitting test atmosphere. A light receiver is disposed within the chamber. A scatter emitter (32) is positioned within the chamber such that light strikes the receiver (28) when reflected off particles suspended in the test atmosphere. An obscuration emitter (38) is positioned within the chamber such that light emitted is directed to the receiver (28) unless obstructed by particles suspended in the test atmosphere.
PCT/US2000/042618 1999-12-08 2000-12-05 Smoke detector using scatter emitter and obscuration emitter and a single receiver WO2001043099A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002392705A CA2392705C (en) 1999-12-08 2000-12-05 Smoke detector
AU43104/01A AU4310401A (en) 1999-12-08 2000-12-05 Smoke detector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/456,470 1999-12-08
US09/456,470 US6225910B1 (en) 1999-12-08 1999-12-08 Smoke detector

Publications (2)

Publication Number Publication Date
WO2001043099A2 WO2001043099A2 (en) 2001-06-14
WO2001043099A3 true WO2001043099A3 (en) 2001-12-13

Family

ID=23812887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/042618 WO2001043099A2 (en) 1999-12-08 2000-12-05 Smoke detector using scatter emitter and obscuration emitter and a single receiver

Country Status (4)

Country Link
US (3) US6225910B1 (en)
AU (1) AU4310401A (en)
CA (1) CA2392705C (en)
WO (1) WO2001043099A2 (en)

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CN107851354A (en) * 2015-08-07 2018-03-27 德国福维克控股公司 Surface processing equipment and base station

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Publication number Priority date Publication date Assignee Title
CN107851354A (en) * 2015-08-07 2018-03-27 德国福维克控股公司 Surface processing equipment and base station
CN107851354B (en) * 2015-08-07 2019-11-26 德国福维克控股公司 Base station, the system being made of surface processing equipment and base station for being connect with surface processing equipment and the method for running base station

Also Published As

Publication number Publication date
US20010020899A1 (en) 2001-09-13
US6326897B2 (en) 2001-12-04
CA2392705C (en) 2009-08-18
AU4310401A (en) 2001-06-18
CA2392705A1 (en) 2001-06-14
WO2001043099A2 (en) 2001-06-14
US20020060632A1 (en) 2002-05-23
US6653942B2 (en) 2003-11-25
US6225910B1 (en) 2001-05-01

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