BE393134A - - Google Patents
Info
- Publication number
- BE393134A BE393134A BE393134DA BE393134A BE 393134 A BE393134 A BE 393134A BE 393134D A BE393134D A BE 393134DA BE 393134 A BE393134 A BE 393134A
- Authority
- BE
- Belgium
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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR43084T | 1932-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE393134A true BE393134A (en) |
Family
ID=8679092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE393134D BE393134A (en) | 1932-11-07 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE393134A (en) |
FR (2) | FR750722A (en) |
GB (1) | GB398722A (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258634A (en) * | 1966-06-28 | Non-tubulent plow ion chamber t. a. rich | ||
US2533339A (en) * | 1946-06-22 | 1950-12-12 | Jabez Burns & Sons Inc | Flammable vapor protection |
US2782103A (en) * | 1951-10-12 | 1957-02-19 | Phillips Petroleum Co | Analyzer for gaseous mixtures |
US2766386A (en) * | 1953-07-31 | 1956-10-09 | John W Ralls | Neutralizing ion chamber charging currents |
US2702898A (en) * | 1953-10-06 | 1955-02-22 | Electro Watt Electrical And In | Gas-responsive control apparatus |
US2945951A (en) * | 1954-08-23 | 1960-07-19 | Phillips Petroleum Co | Ion source and mass spectrometer utilizing same |
US2981840A (en) * | 1956-04-06 | 1961-04-25 | Nahmias Maurice Elie | Detecting device |
US2968722A (en) * | 1957-05-06 | 1961-01-17 | Tracerlab Inc | Gas monitoring techniques |
US2978582A (en) * | 1957-08-16 | 1961-04-04 | Schoepe Adolf | Smoke detector |
US3124744A (en) * | 1957-10-30 | 1964-03-10 | Cathode ionization gauge altim | |
US3018376A (en) * | 1957-11-29 | 1962-01-23 | Nat Res Corp | Gas density measurement |
GB921215A (en) * | 1958-07-29 | 1963-03-13 | Pye Ltd | Improvements in or relating to gas analysis apparatus |
US3070692A (en) * | 1960-02-19 | 1962-12-25 | Ohmart Corp | Sewage sludge density measuring apparatus |
US3271756A (en) * | 1960-03-22 | 1966-09-06 | Harold J Burke | Method and apparatus for detecting a hazardous condition |
CH380594A (en) * | 1960-11-02 | 1964-07-31 | Securiton Ag | Ionization fire alarm system |
US3304545A (en) * | 1962-10-01 | 1967-02-14 | Owen K Bell | Combustion products detector |
US3340519A (en) * | 1965-11-22 | 1967-09-05 | Alfred W Vasel | Smoke detection apparatus |
CH446131A (en) * | 1966-02-22 | 1967-10-31 | Cerberus Ag | Ionization fire alarm system |
US3427880A (en) * | 1966-09-12 | 1969-02-18 | Gen Electric | Overheating detector for gas cooled electric machine |
US3964036A (en) * | 1972-11-15 | 1976-06-15 | Hochiki Corporation | Ionization smoke detector co-used to issue fire alarm and detect ambient atmosphere |
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0
- BE BE393134D patent/BE393134A/xx unknown
-
1932
- 1932-05-14 FR FR750722D patent/FR750722A/en not_active Expired
- 1932-11-07 FR FR43084D patent/FR43084E/en not_active Expired
-
1933
- 1933-02-01 GB GB3116/33A patent/GB398722A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR750722A (en) | 1933-08-17 |
FR43084E (en) | 1934-02-08 |
GB398722A (en) | 1933-09-21 |