NO149751C - Roekvarsler - Google Patents
RoekvarslerInfo
- Publication number
- NO149751C NO149751C NO794195A NO794195A NO149751C NO 149751 C NO149751 C NO 149751C NO 794195 A NO794195 A NO 794195A NO 794195 A NO794195 A NO 794195A NO 149751 C NO149751 C NO 149751C
- Authority
- NO
- Norway
- Prior art keywords
- roekvarsler
- Prior art date
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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1300078A CH634428A5 (en) | 1978-12-21 | 1978-12-21 | Smoke detector |
| CH1300178A CH634429A5 (en) | 1978-12-21 | 1978-12-21 | Smoke detector |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO794195L NO794195L (no) | 1980-06-24 |
| NO149751B NO149751B (no) | 1984-03-05 |
| NO149751C true NO149751C (no) | 1984-06-20 |
Family
ID=25711348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO794195A NO149751C (no) | 1978-12-21 | 1979-12-20 | Roekvarsler |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4269510A (no) |
| EP (1) | EP0020674B1 (no) |
| JP (1) | JPS55501074A (no) |
| AU (1) | AU512930B2 (no) |
| CA (1) | CA1115377A (no) |
| DE (1) | DE2965556D1 (no) |
| DK (1) | DK150045C (no) |
| IT (1) | IT1124404B (no) |
| NO (1) | NO149751C (no) |
| WO (1) | WO1980001326A1 (no) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE32105E (en) * | 1980-12-31 | 1986-04-01 | American District Telegraph Company | Forward scatter smoke detector |
| US4430646A (en) | 1980-12-31 | 1984-02-07 | American District Telegraph Company | Forward scatter smoke detector |
| CH656474A5 (de) * | 1981-11-11 | 1986-06-30 | Cerberus Ag | Rauchdetektor. |
| EP0135361B1 (en) * | 1983-08-12 | 1995-04-26 | I.E.I. Pty Ltd A.C.N. 053 531 212 | Apparatus for detecting particulate material in suspension |
| US4618777A (en) * | 1984-11-19 | 1986-10-21 | Pittway Corporation | Outer electrode with improved smoke entry |
| GB8502506D0 (en) * | 1985-01-31 | 1985-03-06 | Emi Ltd | Smoke detector |
| US4906978A (en) * | 1986-12-24 | 1990-03-06 | Cerberus Ag | Optical smoke detector |
| US5021677A (en) * | 1989-05-02 | 1991-06-04 | Nohmi Bosai Kabushiki Kaisha | Light-scattering-type smoke detector |
| US5420440A (en) * | 1994-02-28 | 1995-05-30 | Rel-Tek Corporation | Optical obscruation smoke monitor having a shunt flow path located between two access ports |
| DE19720007C2 (de) * | 1997-05-13 | 1999-06-02 | Siemens Ag | Gassensorsystem zur Detektion von mindestens einem Gas oder von Partikeln oder einer Kombination daraus mit zwei Gassensoren, Verfahren zu dessen Betrieb und Verwendung des Gassensorsystems |
| US7592922B2 (en) * | 2007-01-18 | 2009-09-22 | Michael E. La Vigne | Smoke detector guard concentrator |
| RU2541178C2 (ru) * | 2012-08-31 | 2015-02-10 | Фенвал Контролз Оф Джэпэн, Лтд. | Светоизлучающий участок, фотоэлектрический датчик дыма и система всасывающего типа для определения присутствия дыма |
| CN108898780A (zh) * | 2018-07-13 | 2018-11-27 | 江苏慧学堂系统工程有限公司 | 一种基于无线网络的烟雾探测装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3185975A (en) * | 1962-06-18 | 1965-05-25 | Honeywell Inc | Photoelectric smoke detector |
| FR2357888A1 (fr) * | 1976-04-01 | 1978-02-03 | Cerberus Ag | Detecteur de fumee |
-
1979
- 1979-10-09 US US06/082,613 patent/US4269510A/en not_active Expired - Lifetime
- 1979-10-16 CA CA337,695A patent/CA1115377A/en not_active Expired
- 1979-10-23 AU AU52066/79A patent/AU512930B2/en not_active Ceased
- 1979-12-01 WO PCT/EP1979/000095 patent/WO1980001326A1/de active IP Right Grant
- 1979-12-01 DE DE8080900014T patent/DE2965556D1/de not_active Expired
- 1979-12-01 JP JP50006179A patent/JPS55501074A/ja active Pending
- 1979-12-12 IT IT12865/79A patent/IT1124404B/it active
- 1979-12-20 NO NO794195A patent/NO149751C/no unknown
-
1980
- 1980-07-01 EP EP80900014A patent/EP0020674B1/de not_active Expired
- 1980-08-20 DK DK357680A patent/DK150045C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55501074A (no) | 1980-12-04 |
| IT7912865A0 (it) | 1979-12-12 |
| EP0020674B1 (de) | 1983-05-25 |
| DK150045C (da) | 1987-05-11 |
| AU512930B2 (en) | 1980-11-06 |
| WO1980001326A1 (en) | 1980-06-26 |
| AU5206679A (en) | 1980-06-26 |
| NO794195L (no) | 1980-06-24 |
| DK150045B (da) | 1986-11-24 |
| CA1115377A (en) | 1981-12-29 |
| EP0020674A1 (de) | 1981-01-07 |
| US4269510A (en) | 1981-05-26 |
| DK357680A (da) | 1980-08-20 |
| IT1124404B (it) | 1986-05-07 |
| DE2965556D1 (en) | 1983-07-07 |
| NO149751B (no) | 1984-03-05 |
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