NL7117343A - - Google Patents
Info
- Publication number
- NL7117343A NL7117343A NL7117343A NL7117343A NL7117343A NL 7117343 A NL7117343 A NL 7117343A NL 7117343 A NL7117343 A NL 7117343A NL 7117343 A NL7117343 A NL 7117343A NL 7117343 A NL7117343 A NL 7117343A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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 |
|---|---|
| NL7117343A true NL7117343A (enExample) | 1972-06-20 |
Family
ID=3841445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7117343A NL7117343A (enExample) | 1970-12-18 | 1971-12-17 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2162753A1 (enExample) |
| ES (1) | ES398567A1 (enExample) |
| FR (1) | FR2118733A5 (enExample) |
| NL (1) | NL7117343A (enExample) |
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 |
|---|---|
| DE2162753A1 (de) | 1972-07-06 |
| FR2118733A5 (enExample) | 1972-07-28 |
| ES398567A1 (es) | 1974-09-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| CNR | Transfer of rights (patent application after its laying openfor public ins pection) |
Free format text: VESTA S.A. |
|
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |