FR2118733A5 - - Google Patents
Info
- Publication number
- FR2118733A5 FR2118733A5 FR7145371A FR7145371A FR2118733A5 FR 2118733 A5 FR2118733 A5 FR 2118733A5 FR 7145371 A FR7145371 A FR 7145371A FR 7145371 A FR7145371 A FR 7145371A FR 2118733 A5 FR2118733 A5 FR 2118733A5
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE97688 | 1970-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2118733A5 true FR2118733A5 (member.php) | 1972-07-28 |
Family
ID=3841445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7145371A Expired FR2118733A5 (member.php) | 1970-12-18 | 1971-12-16 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2162753A1 (member.php) |
| ES (1) | ES398567A1 (member.php) |
| FR (1) | FR2118733A5 (member.php) |
| NL (1) | NL7117343A (member.php) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2846310C3 (de) * | 1978-10-24 | 1982-01-28 | Preussag Ag Feuerschutz, 2060 Bad Oldesloe | Brandmeldeeinrichtung für einen Raum großer Höhe und vorzugsweise großen Volumens, insbesondere eine La ger- oder Fabrikhalle |
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1971
- 1971-12-16 FR FR7145371A patent/FR2118733A5/fr not_active Expired
- 1971-12-17 DE DE19712162753 patent/DE2162753A1/de active Pending
- 1971-12-17 NL NL7117343A patent/NL7117343A/xx not_active Application Discontinuation
- 1971-12-18 ES ES398567A patent/ES398567A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7117343A (member.php) | 1972-06-20 |
| DE2162753A1 (de) | 1972-07-06 |
| ES398567A1 (es) | 1974-09-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |