NL6918515A - - Google Patents
Info
- Publication number
- NL6918515A NL6918515A NL6918515A NL6918515A NL6918515A NL 6918515 A NL6918515 A NL 6918515A NL 6918515 A NL6918515 A NL 6918515A NL 6918515 A NL6918515 A NL 6918515A NL 6918515 A NL6918515 A NL 6918515A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9418168 | 1968-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6918515A true NL6918515A (xx) | 1970-06-26 |
Family
ID=14103142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6918515A NL6918515A (xx) | 1968-12-24 | 1969-12-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3693009A (xx) |
| DE (1) | DE1964669A1 (xx) |
| GB (1) | GB1275450A (xx) |
| NL (1) | NL6918515A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926560A (en) * | 1973-10-30 | 1975-12-16 | Us Energy | System for detecting gaseous contaminants in air |
| US4090308A (en) * | 1975-08-04 | 1978-05-23 | Aero-Dyne Manufacturing, Inc. | Method and apparatus for signalling concentration of air conveyed ionizable foreign matter |
| FR2438841A1 (fr) * | 1978-10-13 | 1980-05-09 | Commissariat Energie Atomique | Capteur ionique pour detecteur d'incendie |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU48167A1 (xx) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets | |
| US3560737A (en) * | 1967-08-02 | 1971-02-02 | Honeywell Inc | Combustion products detector using a radioactive source and detector |
-
1969
- 1969-12-10 NL NL6918515A patent/NL6918515A/xx unknown
- 1969-12-18 GB GB61769/69A patent/GB1275450A/en not_active Expired
- 1969-12-23 DE DE19691964669 patent/DE1964669A1/de active Pending
-
1971
- 1971-04-13 US US133767A patent/US3693009A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1275450A (en) | 1972-05-24 |
| DE1964669A1 (de) | 1970-07-02 |
| US3693009A (en) | 1972-09-19 |