NL7203454A - - Google Patents
Info
- Publication number
- NL7203454A NL7203454A NL7203454A NL7203454A NL7203454A NL 7203454 A NL7203454 A NL 7203454A NL 7203454 A NL7203454 A NL 7203454A NL 7203454 A NL7203454 A NL 7203454A NL 7203454 A NL7203454 A NL 7203454A
- 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
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12429171A | 1971-03-15 | 1971-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7203454A true NL7203454A (OSRAM) | 1972-09-19 |
Family
ID=22413974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203454A NL7203454A (OSRAM) | 1971-03-15 | 1972-03-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3671740A (OSRAM) |
| DE (1) | DE2212279A1 (OSRAM) |
| FR (1) | FR2141032A5 (OSRAM) |
| GB (1) | GB1329407A (OSRAM) |
| NL (1) | NL7203454A (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392597A (en) * | 1971-05-08 | 1975-04-30 | Lovelock J E | Electron capture detectors |
| US3848131A (en) * | 1972-08-16 | 1974-11-12 | E Tesnavs | Radioactive radiation detection system |
| US3897344A (en) * | 1974-07-31 | 1975-07-29 | Mdh Ind Inc | Frequency-programmed electron-capture detector |
| US4117332A (en) * | 1976-02-26 | 1978-09-26 | Varian Associates, Inc. | Circuit for linearizing the response of an electron capture detector |
| FR2576104B1 (fr) * | 1985-01-14 | 1987-05-22 | Giravions Dorand | Procede et dispositif pour la stabilisation des resultats de mesure fournis par un detecteur dit " a capture d'electrons " avec identification des anomalies affectant ce detecteur |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3018376A (en) * | 1957-11-29 | 1962-01-23 | Nat Res Corp | Gas density measurement |
| US3009098A (en) * | 1958-08-15 | 1961-11-14 | Nat Res Corp | Electrical apparatus for analyzing gases |
| GB1105413A (en) * | 1964-10-16 | 1968-03-06 | Barringer Research Ltd | Method and apparatus for detecting traces of substances |
-
1971
- 1971-03-15 US US124291A patent/US3671740A/en not_active Expired - Lifetime
-
1972
- 1972-03-14 DE DE19722212279 patent/DE2212279A1/de not_active Ceased
- 1972-03-14 GB GB1188672A patent/GB1329407A/en not_active Expired
- 1972-03-14 FR FR7208878A patent/FR2141032A5/fr not_active Expired
- 1972-03-15 NL NL7203454A patent/NL7203454A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2141032A5 (OSRAM) | 1973-01-19 |
| US3671740A (en) | 1972-06-20 |
| GB1329407A (en) | 1973-09-05 |
| DE2212279A1 (de) | 1972-10-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |