NO862094L - Fremgangsmaate og anordning ved straalingsavfoeling. - Google Patents
Fremgangsmaate og anordning ved straalingsavfoeling.Info
- Publication number
- NO862094L NO862094L NO862094A NO862094A NO862094L NO 862094 L NO862094 L NO 862094L NO 862094 A NO862094 A NO 862094A NO 862094 A NO862094 A NO 862094A NO 862094 L NO862094 L NO 862094L
- Authority
- NO
- Norway
- Prior art keywords
- radiation feature
- radiation
- feature
- Prior art date
Links
- 230000005855 radiation Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- 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
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08513419A GB2175686A (en) | 1985-05-28 | 1985-05-28 | Fire or explosion detection arrangement |
Publications (1)
Publication Number | Publication Date |
---|---|
NO862094L true NO862094L (no) | 1986-12-01 |
Family
ID=10579767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO862094A NO862094L (no) | 1985-05-28 | 1986-05-27 | Fremgangsmaate og anordning ved straalingsavfoeling. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4728794A (de) |
CH (1) | CH671842A5 (de) |
DE (1) | DE3617160A1 (de) |
GB (3) | GB2175686A (de) |
NO (1) | NO862094L (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4826316A (en) * | 1987-05-29 | 1989-05-02 | Detector Electronics Corporation | Radiation detection apparatus |
GB8829892D0 (en) * | 1988-12-22 | 1989-09-13 | Racal Guardall Scotland | Radiation detection arrangements and methods |
DE3924250A1 (de) * | 1989-07-21 | 1991-02-07 | Preussag Ag Feuerschutz | Branddetektor |
US5130546A (en) * | 1990-10-17 | 1992-07-14 | Kaman Aerospace Corporation | Reduction of undesired hyperfine line absorption in optical resonance filters |
NL1003500C2 (nl) * | 1996-07-04 | 1998-01-07 | Aritech Bv | Bewakingssysteem met lichtgeleidende middelen. |
US5914489A (en) * | 1997-07-24 | 1999-06-22 | General Monitors, Incorporated | Continuous optical path monitoring of optical flame and radiation detectors |
US5812270A (en) * | 1997-09-17 | 1998-09-22 | Ircon, Inc. | Window contamination detector |
GB2396943A (en) | 2003-01-03 | 2004-07-07 | Apollo Fire Detectors Ltd | Hazard detector |
US7244946B2 (en) * | 2004-05-07 | 2007-07-17 | Walter Kidde Portable Equipment, Inc. | Flame detector with UV sensor |
GB2426578A (en) * | 2005-05-27 | 2006-11-29 | Thorn Security | A flame detector having a pulsing optical test source that simulates the frequency of a flame |
GB2426577A (en) * | 2005-05-27 | 2006-11-29 | Thorn Security | An optical detector with a reflector outside of its housing, and a plurality of sensors inside of its housing |
EP2381430B9 (de) | 2010-04-26 | 2013-08-28 | Minimax GmbH & Co KG | Verfahren und Vorrichtung zum Reinigen einer Sichtscheibe eines Brandmelders |
US9123222B2 (en) | 2012-03-15 | 2015-09-01 | Ninve Jr. Inc. | Apparatus and method for detecting tampering with an infra-red motion sensor |
JP5952614B2 (ja) * | 2012-03-30 | 2016-07-13 | 能美防災株式会社 | 煙感知器 |
DE202013012395U1 (de) | 2013-12-17 | 2016-09-05 | Minimax Gmbh & Co. Kg | Vorrichtung zum Reinigen eines optischen Eintrittsfensters |
PL2887330T3 (pl) | 2013-12-17 | 2017-03-31 | Minimax Gmbh & Co. Kg | Sposób i urządzenie do czyszczenia optycznego okienka wlotowego czujki pożarowej |
NL2017108B1 (en) * | 2016-07-05 | 2018-01-12 | Kipp & Zonen B V | Method and device determining soiling of a shield |
WO2018009064A1 (en) * | 2016-07-05 | 2018-01-11 | Kipp & Zonen B.V. | Method and device determining soiling of a shield |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE754420A (fr) * | 1969-08-06 | 1971-01-18 | Degussa | Procede pour la preparation de 4-ureidohexahydropyrimidinone -(2) |
US3903422A (en) * | 1974-06-14 | 1975-09-02 | Gte Laboratories Inc | Digital fluorometer |
US3952196A (en) * | 1975-02-05 | 1976-04-20 | Detector Electronics Corporation | Radiation detection apparatus |
DE2833635C2 (de) * | 1978-08-01 | 1983-05-05 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Messung der Verschmutzung von optischen Grenzflächen bei optischen Empfängern und Einrichtung zur Durchführung des Verfahrens |
IN158131B (de) * | 1981-06-02 | 1986-09-13 | Santa Barbara Res Center | |
US4560874A (en) * | 1981-06-02 | 1985-12-24 | Santa Barbara Research Center | Reference channel for sensing optical contamination |
EP0078443A3 (de) * | 1981-10-30 | 1984-11-28 | Armtec Industries, Inc. | Branddetektoranlage |
CH665915A5 (de) * | 1981-11-13 | 1988-06-15 | Paul Kovacs | Vorrichtung zur ueberwachung der eisbildung. |
US4529881A (en) * | 1982-03-02 | 1985-07-16 | Pyrotector, Inc. | Flame detector with test lamp and adjustable field of view |
JPS58182519A (ja) * | 1982-04-20 | 1983-10-25 | Toshiba Corp | 熱塊検出器 |
GB2141228B (en) * | 1983-06-09 | 1987-01-07 | Shorrock Security Systems Ltd | Infra-red intrusion detector |
-
1985
- 1985-05-28 GB GB08513419A patent/GB2175686A/en not_active Withdrawn
-
1986
- 1986-05-15 GB GB868611848A patent/GB8611848D0/en active Pending
- 1986-05-22 CH CH2072/86A patent/CH671842A5/de not_active IP Right Cessation
- 1986-05-22 DE DE19863617160 patent/DE3617160A1/de not_active Withdrawn
- 1986-05-22 GB GB8612521A patent/GB2175689B/en not_active Expired
- 1986-05-23 US US06/866,481 patent/US4728794A/en not_active Expired - Lifetime
- 1986-05-27 NO NO862094A patent/NO862094L/no unknown
Also Published As
Publication number | Publication date |
---|---|
CH671842A5 (de) | 1989-09-29 |
US4728794A (en) | 1988-03-01 |
GB8612521D0 (en) | 1986-07-02 |
GB2175686A (en) | 1986-12-03 |
GB8611848D0 (en) | 1986-06-25 |
GB2175689B (en) | 1989-07-05 |
DE3617160A1 (de) | 1986-12-04 |
GB8513419D0 (en) | 1985-07-03 |
GB2175689A (en) | 1986-12-03 |
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