DE602008000224D1 - Rauchmelder mit Vorrichtung an einem Reflektor zum Selektieren eines Lichtstrahles - Google Patents
Rauchmelder mit Vorrichtung an einem Reflektor zum Selektieren eines LichtstrahlesInfo
- 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
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)
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)
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)
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 |
-
2007
- 2007-04-20 FR FR0754607A patent/FR2915284B1/fr not_active Expired - Fee Related
-
2008
- 2008-04-15 DE DE602008000224T patent/DE602008000224D1/de active Active
- 2008-04-15 EP EP08103541A patent/EP1983495B1/de not_active Not-in-force
- 2008-04-15 AT AT08103541T patent/ATE446560T1/de not_active IP Right Cessation
- 2008-04-18 US US12/148,488 patent/US20080304067A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
FR2915284A1 (fr) | 2008-10-24 |
FR2915284B1 (fr) | 2009-07-10 |
EP1983495B1 (de) | 2009-10-21 |
US20080304067A1 (en) | 2008-12-11 |
ATE446560T1 (de) | 2009-11-15 |
EP1983495A1 (de) | 2008-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |