NO932479D0 - Optisk roeykdetektor - Google Patents
Optisk roeykdetektorInfo
- Publication number
- NO932479D0 NO932479D0 NO932479A NO932479A NO932479D0 NO 932479 D0 NO932479 D0 NO 932479D0 NO 932479 A NO932479 A NO 932479A NO 932479 A NO932479 A NO 932479A NO 932479 D0 NO932479 D0 NO 932479D0
- Authority
- NO
- Norway
- Prior art keywords
- smoke detector
- optical smoke
- optical
- detector
- smoke
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/20—Calibration, including self-calibrating arrangements
- G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2157/92A CH684135A5 (de) | 1992-07-08 | 1992-07-08 | Optischer Rauchmelder. |
Publications (2)
Publication Number | Publication Date |
---|---|
NO932479D0 true NO932479D0 (no) | 1993-07-07 |
NO932479L NO932479L (no) | 1994-01-10 |
Family
ID=4227220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO932479A NO932479L (no) | 1992-07-08 | 1993-07-07 | Optisk roeykdetektor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0578189A1 (no) |
CH (1) | CH684135A5 (no) |
NO (1) | NO932479L (no) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0987663A1 (de) | 1998-09-14 | 2000-03-22 | Siemens Building Technologies AG | Optischer Rauchmelder nach dem Extinktionsprinzip und Verfahren zur Kompensation von dessen Temperaturdrift |
EP1349127A1 (de) * | 2002-03-28 | 2003-10-01 | Siemens Building Technologies AG | Optischer Rauchmelder nach dem Extinktionsprinzip und dessen Verwendung |
DE102008009213B4 (de) * | 2008-02-15 | 2010-09-02 | Perkinelmer Optoelectronics Gmbh & Co.Kg | Strahlungsleiter, Detektor, Herstellungsverfahren |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4018513A (en) * | 1974-03-28 | 1977-04-19 | Jan Boeke | Optical window used in device for monitoring clarity of a fluid |
CH643061A5 (en) * | 1980-01-18 | 1984-05-15 | Zellweger Uster Ag | Method for measuring objects, device for carrying out the method, and application of the method |
JPS57119240A (en) * | 1981-01-19 | 1982-07-24 | Toshiba Corp | Turbidity measuring device |
-
1992
- 1992-07-08 CH CH2157/92A patent/CH684135A5/de not_active IP Right Cessation
-
1993
- 1993-07-06 EP EP93110757A patent/EP0578189A1/de not_active Withdrawn
- 1993-07-07 NO NO932479A patent/NO932479L/no unknown
Also Published As
Publication number | Publication date |
---|---|
CH684135A5 (de) | 1994-07-15 |
NO932479L (no) | 1994-01-10 |
EP0578189A1 (de) | 1994-01-12 |
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