CH448815A - Anordnung bei Feuermeldeanlagen - Google Patents
Anordnung bei FeuermeldeanlagenInfo
- Publication number
- CH448815A CH448815A CH33066A CH33066A CH448815A CH 448815 A CH448815 A CH 448815A CH 33066 A CH33066 A CH 33066A CH 33066 A CH33066 A CH 33066A CH 448815 A CH448815 A CH 448815A
- Authority
- CH
- Switzerland
- Prior art keywords
- light source
- arrangement
- arrangement according
- light
- ring
- Prior art date
Links
- 239000000443 aerosol Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 239000003570 air Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000941 radioactive substance Substances 0.000 claims description 5
- 210000000056 organ Anatomy 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000002285 radioactive effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000779 smoke Substances 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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Emergency Lowering Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE321/65A SE311306B (enrdf_load_stackoverflow) | 1965-01-11 | 1965-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH448815A true CH448815A (de) | 1967-12-15 |
Family
ID=20256359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH33066A CH448815A (de) | 1965-01-11 | 1966-01-11 | Anordnung bei Feuermeldeanlagen |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH448815A (enrdf_load_stackoverflow) |
| DK (1) | DK114678B (enrdf_load_stackoverflow) |
| FI (1) | FI45139C (enrdf_load_stackoverflow) |
| NO (1) | NO117679B (enrdf_load_stackoverflow) |
| SE (1) | SE311306B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2706516A1 (en) * | 2012-09-06 | 2014-03-12 | Nohmi Bosai Ltd. | Aperture plate mounting in scattering type smoke detector |
-
1965
- 1965-01-11 SE SE321/65A patent/SE311306B/xx unknown
- 1965-11-11 NO NO160440A patent/NO117679B/no unknown
- 1965-11-16 FI FI652744A patent/FI45139C/fi active
- 1965-12-16 DK DK646265AA patent/DK114678B/da unknown
-
1966
- 1966-01-11 CH CH33066A patent/CH448815A/de unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2706516A1 (en) * | 2012-09-06 | 2014-03-12 | Nohmi Bosai Ltd. | Aperture plate mounting in scattering type smoke detector |
| US9165448B2 (en) | 2012-09-06 | 2015-10-20 | Nohmi Bosai Ltd. | Smoke detector |
Also Published As
| Publication number | Publication date |
|---|---|
| NO117679B (enrdf_load_stackoverflow) | 1969-09-08 |
| FI45139B (enrdf_load_stackoverflow) | 1971-11-30 |
| FI45139C (fi) | 1972-03-10 |
| DK114678B (da) | 1969-07-21 |
| SE311306B (enrdf_load_stackoverflow) | 1969-06-02 |
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