DE602008000224D1 - Rauchmelder mit Vorrichtung an einem Reflektor zum Selektieren eines Lichtstrahles - Google Patents

Rauchmelder mit Vorrichtung an einem Reflektor zum Selektieren eines Lichtstrahles

Info

Publication number
DE602008000224D1
DE602008000224D1 DE602008000224T DE602008000224T DE602008000224D1 DE 602008000224 D1 DE602008000224 D1 DE 602008000224D1 DE 602008000224 T DE602008000224 T DE 602008000224T DE 602008000224 T DE602008000224 T DE 602008000224T DE 602008000224 D1 DE602008000224 D1 DE 602008000224D1
Authority
DE
Germany
Prior art keywords
reflector
beams
selecting
light beam
mask
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.)
Active
Application number
DE602008000224T
Other languages
English (en)
Inventor
Adrien Maillard
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.)
FABRICATION D APPLIC ET DE REA
Original Assignee
FABRICATION D APPLIC ET DE REA
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 FABRICATION D APPLIC ET DE REA filed Critical FABRICATION D APPLIC ET DE REA
Publication of DE602008000224D1 publication Critical patent/DE602008000224D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
DE602008000224T 2007-04-20 2008-04-15 Rauchmelder mit Vorrichtung an einem Reflektor zum Selektieren eines Lichtstrahles Active DE602008000224D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0754607A FR2915284B1 (fr) 2007-04-20 2007-04-20 Detecteur de fumee

Publications (1)

Publication Number Publication Date
DE602008000224D1 true DE602008000224D1 (de) 2009-12-03

Family

ID=38720533

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008000224T Active DE602008000224D1 (de) 2007-04-20 2008-04-15 Rauchmelder mit Vorrichtung an einem Reflektor zum Selektieren eines Lichtstrahles

Country Status (5)

Country Link
US (1) US20080304067A1 (de)
EP (1) EP1983495B1 (de)
AT (1) ATE446560T1 (de)
DE (1) DE602008000224D1 (de)
FR (1) FR2915284B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3027438B1 (fr) * 2014-10-16 2016-11-04 Soc D'etude Et De Fabrication Ind Detecteur lineaire de fumee encastre.
FR3030750B1 (fr) * 2014-12-22 2017-01-13 Finsecur Detecteur optique d'une valeur d'une grandeur physique de l'atmosphere representative d'un danger

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB237952A (en) * 1924-04-11 1925-08-11 John Joseph Dowling Improvements in or relating to thermionic indicating means responsive to light variations
GB1327231A (en) * 1970-01-07 1973-08-15 Nat Res Dev Fire detecting apparatus
US3982130A (en) * 1975-10-10 1976-09-21 The United States Of America As Represented By The Secretary Of The Air Force Ultraviolet wavelength smoke detector
US5568130A (en) * 1994-09-30 1996-10-22 Dahl; Ernest A. Fire detector
US6998991B1 (en) * 2001-10-01 2006-02-14 Quantum Group Inc. Dual carbon monoxide sensor system with control catalyst: new CO and humidity method and apparatus
ATE303641T1 (de) * 2003-01-29 2005-09-15 Siemens Building Tech Ag Verfahren und werkzeug zur installation eines linearen rauchmelders

Also Published As

Publication number Publication date
EP1983495A1 (de) 2008-10-22
FR2915284A1 (fr) 2008-10-24
FR2915284B1 (fr) 2009-07-10
US20080304067A1 (en) 2008-12-11
EP1983495B1 (de) 2009-10-21
ATE446560T1 (de) 2009-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition