DE3377172D1 - Radiation smoke alarm - Google Patents
Radiation smoke alarmInfo
- Publication number
- DE3377172D1 DE3377172D1 DE8383108590T DE3377172T DE3377172D1 DE 3377172 D1 DE3377172 D1 DE 3377172D1 DE 8383108590 T DE8383108590 T DE 8383108590T DE 3377172 T DE3377172 T DE 3377172T DE 3377172 D1 DE3377172 D1 DE 3377172D1
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- measuring space
- receiver
- conductors
- radiation source
- 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
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
- 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)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8383108590T DE3377172D1 (en) | 1982-09-08 | 1983-08-31 | Radiation smoke alarm |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823233368 DE3233368A1 (de) | 1982-09-08 | 1982-09-08 | Strahlungsrauchmelder |
DE8383108590T DE3377172D1 (en) | 1982-09-08 | 1983-08-31 | Radiation smoke alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3377172D1 true DE3377172D1 (en) | 1988-07-28 |
Family
ID=6172741
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823233368 Withdrawn DE3233368A1 (de) | 1982-09-08 | 1982-09-08 | Strahlungsrauchmelder |
DE8383108590T Expired DE3377172D1 (en) | 1982-09-08 | 1983-08-31 | Radiation smoke alarm |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823233368 Withdrawn DE3233368A1 (de) | 1982-09-08 | 1982-09-08 | Strahlungsrauchmelder |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0105199B1 (de) |
AT (1) | ATE35336T1 (de) |
DE (2) | DE3233368A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4328671B4 (de) * | 1992-08-28 | 2005-02-17 | Hochiki K.K. | Streulichtrauchmelder |
JP2648560B2 (ja) * | 1993-04-09 | 1997-09-03 | ホーチキ株式会社 | 散乱光式煙感知器 |
DE4324439C2 (de) * | 1993-07-21 | 1997-03-20 | Preussag Ag Minimax | Rauchmelder |
GB9417484D0 (en) * | 1993-09-07 | 1994-10-19 | Hochiki Co | Light scattering type smoke sensor |
ATE247316T1 (de) * | 1997-05-20 | 2003-08-15 | Siemens Ag | Optischer rauchmelder |
CA2236813C (en) * | 1997-11-25 | 2005-12-27 | C & K Systems, Inc. | A system for absorbing and/or scattering superfluous radiation in an optical motion sensor |
RU2222803C2 (ru) * | 2002-04-15 | 2004-01-27 | Мешковский Игорь Касьянович | Система оперативной диагностики биологического загрязнения воздуха в вентиляционных каналах зданий и сооружений |
DE102008009213B4 (de) | 2008-02-15 | 2010-09-02 | Perkinelmer Optoelectronics Gmbh & Co.Kg | Strahlungsleiter, Detektor, Herstellungsverfahren |
EP3584774A1 (de) * | 2018-06-19 | 2019-12-25 | Wagner Group GmbH | Streulichtdetektor und ansaugbranderkennungssystem mit einem streulichtdetektor |
US11302166B2 (en) * | 2019-12-02 | 2022-04-12 | Carrier Corporation | Photo-electric smoke detector using single emitter and single receiver |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7617247U1 (de) * | 1900-01-01 | Cerberus Ag, Maennedorf, Zuerich (Schweiz) | ||
FR1543165A (fr) * | 1964-05-06 | 1968-10-25 | Dispositif optique concentrateur d'un type nouveau permettant d'obtenir un éclairement énergétique maximal sur l'élément sensible d'un récepteur de rayonnement, procédé de détermination des caractéristiques optimales de concentrateurs de ce type, et appareils de mise en oeuvre | |
FR2036476A5 (de) * | 1969-03-13 | 1970-12-24 | Guigues Frederic | |
US3647300A (en) * | 1970-04-27 | 1972-03-07 | Environment One Corp | Dual-beam fluid monitor for measuring transmitted and scattered light |
FR2317638A1 (fr) * | 1975-07-09 | 1977-02-04 | Commissariat Energie Atomique | Dispositif d'analyse des constituants d'une solution par mesure photometrique |
JPS5855446B2 (ja) * | 1975-07-15 | 1983-12-09 | 松下電工株式会社 | 散乱光式煙感知器 |
DE2951459C2 (de) * | 1979-12-20 | 1984-03-29 | Heimann Gmbh, 6200 Wiesbaden | Optische Anordnung für einen Rauchmelder nach dem Lichtstreuungsprinzip |
-
1982
- 1982-09-08 DE DE19823233368 patent/DE3233368A1/de not_active Withdrawn
-
1983
- 1983-08-31 DE DE8383108590T patent/DE3377172D1/de not_active Expired
- 1983-08-31 AT AT83108590T patent/ATE35336T1/de not_active IP Right Cessation
- 1983-08-31 EP EP83108590A patent/EP0105199B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0105199B1 (de) | 1988-06-22 |
DE3233368A1 (de) | 1984-03-08 |
ATE35336T1 (de) | 1988-07-15 |
EP0105199A1 (de) | 1984-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |