FR2288978B1 - - Google Patents
Info
- Publication number
- FR2288978B1 FR2288978B1 FR7426990A FR7426990A FR2288978B1 FR 2288978 B1 FR2288978 B1 FR 2288978B1 FR 7426990 A FR7426990 A FR 7426990A FR 7426990 A FR7426990 A FR 7426990A FR 2288978 B1 FR2288978 B1 FR 2288978B1
- 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
- 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
- G01N27/66—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 and measuring current or voltage
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Radiation (AREA)
- Sampling And Sample Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7426990A FR2288978A1 (fr) | 1974-08-02 | 1974-08-02 | Dispositif de mesure de la concentration d'un gaz |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7426990A FR2288978A1 (fr) | 1974-08-02 | 1974-08-02 | Dispositif de mesure de la concentration d'un gaz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2288978A1 FR2288978A1 (fr) | 1976-05-21 |
| FR2288978B1 true FR2288978B1 (https=) | 1977-03-25 |
Family
ID=9142065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7426990A Granted FR2288978A1 (fr) | 1974-08-02 | 1974-08-02 | Dispositif de mesure de la concentration d'un gaz |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2288978A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026052A1 (en) * | 1979-09-25 | 1981-04-01 | National Research Development Corporation | Improvements in or relating to gas detecting apparatus |
| RU2176080C1 (ru) * | 2000-08-07 | 2001-11-20 | Институт физико-технических проблем | Ионизационный датчик |
-
1974
- 1974-08-02 FR FR7426990A patent/FR2288978A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2288978A1 (fr) | 1976-05-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |