BE530043A - - Google Patents
Info
- Publication number
- BE530043A BE530043A BE530043DA BE530043A BE 530043 A BE530043 A BE 530043A BE 530043D A BE530043D A BE 530043DA BE 530043 A BE530043 A BE 530043A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB18323/53A GB780478A (en) | 1953-07-02 | 1953-07-02 | Improvements in or relating to electron discharge apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE530043A true BE530043A (da) |
Family
ID=10110506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE530043D BE530043A (da) | 1953-07-02 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2889478A (da) |
| BE (1) | BE530043A (da) |
| GB (1) | GB780478A (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2967260A (en) * | 1957-05-31 | 1961-01-03 | Eitel Mccullough Inc | Electron tube |
| US3038118A (en) * | 1958-07-21 | 1962-06-05 | Wesix Electric Heater Co | Ion collecting and measuring apparatus |
| US2956192A (en) * | 1959-01-02 | 1960-10-11 | Eitel Mccullough Inc | Gettering electron gun |
| US3132275A (en) * | 1960-05-31 | 1964-05-05 | Eitel Mccullough Inc | Electron gun and cathode heater assembly therefor |
| FR2561039B1 (fr) * | 1984-03-09 | 1987-04-03 | Thomson Csf | Canon a electrons pour tube electronique |
| US4687964A (en) * | 1985-05-09 | 1987-08-18 | The United States Of America As Represented By The Administrator National Aeronautics & Space Administration | Apparatus for mounting a field emission cathode |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2308800A (en) * | 1941-02-15 | 1943-01-19 | Bell Telephone Labor Inc | Electron discharge device |
| US2445811A (en) * | 1941-12-22 | 1948-07-27 | Sperry Corp | High-frequency tube structure |
| NL67617C (da) * | 1945-09-15 | |||
| US2639397A (en) * | 1949-06-04 | 1953-05-19 | Collins Radio Co | Vacuum gauge of the ionization producing type |
| GB709266A (en) * | 1950-02-09 | 1954-05-19 | Post Office | Improvements in or relating to ionisation gauges |
| US2625586A (en) * | 1950-04-14 | 1953-01-13 | Bell Telephone Labor Inc | Apparatus for measuring gas pressures |
-
0
- BE BE530043D patent/BE530043A/xx unknown
-
1953
- 1953-07-02 GB GB18323/53A patent/GB780478A/en not_active Expired
-
1954
- 1954-06-28 US US439713A patent/US2889478A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB780478A (en) | 1957-08-07 |
| US2889478A (en) | 1959-06-02 |