FR2175265A5 - - Google Patents
Info
- Publication number
- FR2175265A5 FR2175265A5 FR7207812A FR7207812A FR2175265A5 FR 2175265 A5 FR2175265 A5 FR 2175265A5 FR 7207812 A FR7207812 A FR 7207812A FR 7207812 A FR7207812 A FR 7207812A FR 2175265 A5 FR2175265 A5 FR 2175265A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
- A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
- G08B17/103—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
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207812A FR2175265A5 (US07413550-20080819-C00001.png) | 1972-03-07 | 1972-03-07 | |
| CH273573A CH566059A5 (US07413550-20080819-C00001.png) | 1972-03-07 | 1973-02-26 | |
| BE128281A BE796166A (fr) | 1972-03-07 | 1973-03-01 | Detecteur de fumee |
| GB1018173A GB1427092A (en) | 1972-03-07 | 1973-03-02 | Smoke detector |
| DE19732310490 DE2310490A1 (de) | 1972-03-07 | 1973-03-02 | Lichtelektrischer rauch- bzw. branddetektor |
| IT21178/73A IT981112B (it) | 1972-03-07 | 1973-03-05 | Rivelatore di fumo |
| DD169383A DD105339A5 (US07413550-20080819-C00001.png) | 1972-03-07 | 1973-03-06 | |
| US338480A US3922655A (en) | 1972-03-07 | 1973-03-06 | Smoke or fire detector |
| NL7303147A NL7303147A (US07413550-20080819-C00001.png) | 1972-03-07 | 1973-03-06 | |
| ES412391A ES412391A1 (es) | 1972-03-07 | 1973-03-07 | Perfeccionamientos en detectores de humo. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207812A FR2175265A5 (US07413550-20080819-C00001.png) | 1972-03-07 | 1972-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2175265A5 true FR2175265A5 (US07413550-20080819-C00001.png) | 1973-10-19 |
Family
ID=9094745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7207812A Expired FR2175265A5 (US07413550-20080819-C00001.png) | 1972-03-07 | 1972-03-07 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2310490A1 (US07413550-20080819-C00001.png) |
| FR (1) | FR2175265A5 (US07413550-20080819-C00001.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005046331A1 (de) * | 2005-09-27 | 2007-03-29 | Endress + Hauser Flowtec Ag | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße |
| DE102014019773B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
| DE102014019172B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
-
1972
- 1972-03-07 FR FR7207812A patent/FR2175265A5/fr not_active Expired
-
1973
- 1973-03-02 DE DE19732310490 patent/DE2310490A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2310490A1 (de) | 1973-09-13 |
