NO840972L - Detektor for svevende partikler. - Google Patents
Detektor for svevende partikler.Info
- Publication number
- NO840972L NO840972L NO840972A NO840972A NO840972L NO 840972 L NO840972 L NO 840972L NO 840972 A NO840972 A NO 840972A NO 840972 A NO840972 A NO 840972A NO 840972 L NO840972 L NO 840972L
- Authority
- NO
- Norway
- Prior art keywords
- radiation
- signal
- detector
- sensor
- passage
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims description 23
- 239000012530 fluid Substances 0.000 title 1
- 230000005855 radiation Effects 0.000 claims description 70
- 239000002131 composite material Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08220406A GB2123548B (en) | 1982-07-14 | 1982-07-14 | Suspended particle detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO840972L true NO840972L (no) | 1984-03-13 |
Family
ID=10531663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO840972A NO840972L (no) | 1982-07-14 | 1984-03-13 | Detektor for svevende partikler. |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0099729A1 (de) |
| JP (1) | JPS59501283A (de) |
| DK (1) | DK139384D0 (de) |
| ES (1) | ES524120A0 (de) |
| FI (1) | FI841014A0 (de) |
| GB (1) | GB2123548B (de) |
| IL (1) | IL69222A0 (de) |
| NO (1) | NO840972L (de) |
| WO (1) | WO1984000429A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8529585D0 (en) * | 1985-11-30 | 1986-01-08 | Casswell P H | Active infra red detector |
| US4769504A (en) * | 1987-03-04 | 1988-09-06 | The United States Of America As Represented By The United States Department Of Energy | Process for converting light alkanes to higher hydrocarbons |
| GB9014015D0 (en) * | 1990-06-23 | 1990-08-15 | Dennis Peter N J | Improvements in or relating to smoke detectors |
| DE4141944C2 (de) * | 1991-12-19 | 1995-06-08 | Hansa Metallwerke Ag | Einrichtung zur berührungslosen Steuerung einer Sanitärarmatur |
| SE470168B (sv) * | 1992-04-27 | 1993-11-22 | Whirlpool Int | Rök/ångdetektor för mikrovågsugn |
| EP2093732A1 (de) * | 2008-02-19 | 2009-08-26 | Siemens Aktiengesellschaft | Vorrichtung und Verfahren zum Detektieren von Rauch durch gemeinsame Auswertung zweier optischer Rückstreusignale |
| DE502008003347D1 (de) * | 2008-02-19 | 2011-06-09 | Siemens Ag | Rauchdetektion mittels zweier spektral unterschiedlicher Streulichtmessungen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723747A (en) * | 1971-06-03 | 1973-03-27 | Electro Signal Lab | Photoelectric detector with compensating photocell |
| DE2856259C2 (de) * | 1978-12-27 | 1987-01-22 | Cerberus AG, Männedorf, Zürich | Rauchdetektor |
| DE2907173A1 (de) * | 1979-02-23 | 1980-09-04 | Hekatron Gmbh | Schaltungsanordnung fuer einen optischen rauchgasanzeiger |
-
1982
- 1982-07-14 GB GB08220406A patent/GB2123548B/en not_active Expired
-
1983
- 1983-07-13 WO PCT/GB1983/000171 patent/WO1984000429A1/en active Application Filing
- 1983-07-13 JP JP58502413A patent/JPS59501283A/ja active Pending
- 1983-07-13 EP EP83304076A patent/EP0099729A1/de not_active Withdrawn
- 1983-07-14 ES ES524120A patent/ES524120A0/es active Granted
- 1983-07-14 IL IL69222A patent/IL69222A0/xx unknown
-
1984
- 1984-02-29 DK DK1393/84A patent/DK139384D0/da not_active IP Right Cessation
- 1984-03-13 FI FI841014A patent/FI841014A0/fi not_active Application Discontinuation
- 1984-03-13 NO NO840972A patent/NO840972L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK139384A (da) | 1984-02-29 |
| ES8405983A1 (es) | 1984-06-16 |
| WO1984000429A1 (en) | 1984-02-02 |
| ES524120A0 (es) | 1984-06-16 |
| GB2123548B (en) | 1985-09-04 |
| EP0099729A1 (de) | 1984-02-01 |
| GB2123548A (en) | 1984-02-01 |
| FI841014A (fi) | 1984-03-13 |
| DK139384D0 (da) | 1984-02-29 |
| JPS59501283A (ja) | 1984-07-19 |
| FI841014A0 (fi) | 1984-03-13 |
| IL69222A0 (en) | 1983-11-30 |
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