DE69506417D1 - Optischer rauchmelder - Google Patents

Optischer rauchmelder

Info

Publication number
DE69506417D1
DE69506417D1 DE69506417T DE69506417T DE69506417D1 DE 69506417 D1 DE69506417 D1 DE 69506417D1 DE 69506417 T DE69506417 T DE 69506417T DE 69506417 T DE69506417 T DE 69506417T DE 69506417 D1 DE69506417 D1 DE 69506417D1
Authority
DE
Germany
Prior art keywords
smoke detector
optical smoke
optical
detector
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.)
Expired - Lifetime
Application number
DE69506417T
Other languages
English (en)
Inventor
Jacques Lewiner
Eugene Smycz
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.)
ZAC de la FONTAINEDE L ORME
Original Assignee
ZAC de la FONTAINEDE L ORME
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 ZAC de la FONTAINEDE L ORME filed Critical ZAC de la FONTAINEDE L ORME
Application granted granted Critical
Publication of DE69506417D1 publication Critical patent/DE69506417D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
DE69506417T 1994-07-29 1995-07-27 Optischer rauchmelder Expired - Lifetime DE69506417D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9409473A FR2723233B1 (fr) 1994-07-29 1994-07-29 Perfectionnements aux detecteurs optiques de fumees
PCT/FR1995/001014 WO1996004627A1 (fr) 1994-07-29 1995-07-27 Perfectionnements aux detecteurs optiques de fumees

Publications (1)

Publication Number Publication Date
DE69506417D1 true DE69506417D1 (de) 1999-01-14

Family

ID=9465921

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69506417T Expired - Lifetime DE69506417D1 (de) 1994-07-29 1995-07-27 Optischer rauchmelder

Country Status (7)

Country Link
US (1) US5864293A (de)
EP (1) EP0772852B1 (de)
JP (1) JPH11509341A (de)
DE (1) DE69506417D1 (de)
ES (1) ES2126915T3 (de)
FR (1) FR2723233B1 (de)
WO (1) WO1996004627A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11224387A (ja) * 1998-02-05 1999-08-17 Hochiki Corp 減光式煙感知器
US6222456B1 (en) * 1998-10-01 2001-04-24 Pittway Corporation Detector with variable sample rate
WO2011058490A1 (en) * 2009-11-13 2011-05-19 Koninklijke Philips Electronics N.V. Smoke detection using coded light lamps
FR2970102B1 (fr) * 2010-12-31 2012-12-28 Jacques Lewiner Detecteur de fumee
GB2497295A (en) 2011-12-05 2013-06-12 Gassecure As Method and system for gas detection
DE102014110460B3 (de) * 2014-07-24 2015-05-13 Eq-3 Entwicklung Gmbh Optischer Rauchmelder und Verfahren zur optischen Rauchdetektion
GB2551546B (en) * 2016-06-21 2020-02-12 Ffe Ltd Improvements in or relating to beam phasing
CN110136390A (zh) * 2019-05-28 2019-08-16 赛特威尔电子股份有限公司 一种烟雾检测方法、装置、烟雾报警器及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating
US4075499A (en) * 1976-11-16 1978-02-21 Chloride, Incorporated Smoke detector with means for changing light pulse frequency
US4163969A (en) * 1977-06-20 1979-08-07 American District Telegraph Company Variable frequency light pulser for smoke detectors
JPS609914Y2 (ja) * 1978-11-14 1985-04-05 能美防災工業株式会社 光電式煙感知器
US4225860A (en) * 1979-01-15 1980-09-30 Pittway Corporation Sensitivity controlled dual input fire detector
US4254414A (en) * 1979-03-22 1981-03-03 The United States Of America As Represented By The Secretary Of The Navy Processor-aided fire detector
DE3831654A1 (de) * 1988-09-17 1990-03-22 Hartwig Beyersdorf Optischer rauchmelder
US5422629A (en) * 1992-03-30 1995-06-06 Brk Brands, Inc. Alarm silencing circuitry for photoelectric smoke detectors

Also Published As

Publication number Publication date
EP0772852B1 (de) 1998-12-02
US5864293A (en) 1999-01-26
WO1996004627A1 (fr) 1996-02-15
EP0772852A1 (de) 1997-05-14
ES2126915T3 (es) 1999-04-01
FR2723233B1 (fr) 1996-10-04
JPH11509341A (ja) 1999-08-17
FR2723233A1 (fr) 1996-02-02

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Legal Events

Date Code Title Description
8332 No legal effect for de