LU49225A1 - - Google Patents
Info
- Publication number
- LU49225A1 LU49225A1 LU49225A LU49225A LU49225A1 LU 49225 A1 LU49225 A1 LU 49225A1 LU 49225 A LU49225 A LU 49225A LU 49225 A LU49225 A LU 49225A LU 49225 A1 LU49225 A1 LU 49225A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR984364A FR1411208A (fr) | 1964-08-06 | 1964-08-06 | Manomètre à source radio-active |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU49225A1 true LU49225A1 (xx) | 1965-10-04 |
Family
ID=8836208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU49225A LU49225A1 (xx) | 1964-08-06 | 1965-08-02 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3449659A (xx) |
| BE (1) | BE667711A (xx) |
| CH (1) | CH441808A (xx) |
| DE (1) | DE1473714A1 (xx) |
| FR (1) | FR1411208A (xx) |
| GB (1) | GB1066687A (xx) |
| LU (1) | LU49225A1 (xx) |
| NL (1) | NL6509950A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4080535A (en) * | 1976-08-17 | 1978-03-21 | Westinghouse Electric Corporation | Generator condition monitor for particulate detection |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3126512A (en) * | 1964-03-24 | Ion air density sensor including dark | ||
| US2739283A (en) * | 1952-02-23 | 1956-03-20 | Nat Res Corp | High-vacuum device |
| US2968730A (en) * | 1957-12-05 | 1961-01-17 | Mine Safety Appliances Co | Method and apparatus for detecting minute concentrations of gases and vapors |
| US3044012A (en) * | 1960-03-21 | 1962-07-10 | Bendix Corp | Ion air density sensor and altitude indicator control system |
-
1964
- 1964-08-06 FR FR984364A patent/FR1411208A/fr not_active Expired
-
1965
- 1965-07-26 US US474658A patent/US3449659A/en not_active Expired - Lifetime
- 1965-07-30 BE BE667711A patent/BE667711A/xx unknown
- 1965-07-30 NL NL6509950A patent/NL6509950A/xx unknown
- 1965-08-02 LU LU49225A patent/LU49225A1/xx unknown
- 1965-08-02 DE DE19651473714 patent/DE1473714A1/de active Pending
- 1965-08-03 CH CH1091065A patent/CH441808A/fr unknown
- 1965-08-04 GB GB33340/65A patent/GB1066687A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3449659A (en) | 1969-06-10 |
| DE1473714A1 (de) | 1969-07-10 |
| CH441808A (fr) | 1967-08-15 |
| BE667711A (xx) | 1965-11-16 |
| NL6509950A (xx) | 1966-02-07 |
| GB1066687A (en) | 1967-04-26 |
| FR1411208A (fr) | 1965-09-17 |