BE474305A - - Google Patents
Info
- Publication number
- BE474305A BE474305A BE474305DA BE474305A BE 474305 A BE474305 A BE 474305A BE 474305D A BE474305D A BE 474305DA BE 474305 A BE474305 A BE 474305A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/063—Indirectly heated cathodes, e.g. by the discharge itself
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US462342A US2372037A (en) | 1942-10-17 | 1942-10-17 | Thermionic device and means and method of fabrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474305A true BE474305A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=23836088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474305D BE474305A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1942-10-17 |
Country Status (4)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2507812A (en) * | 1945-08-17 | 1950-05-16 | Cossor Ltd A C | Thermionic cathode |
| US2463372A (en) * | 1945-10-03 | 1949-03-01 | Jr Peter W Forsbergh | Cathode structure for magnetrons |
| US2498775A (en) * | 1948-01-16 | 1950-02-28 | Westinghouse Electric Corp | Cathode construction |
| US2677787A (en) * | 1950-05-08 | 1954-05-04 | Charles V Litton | Electron discharge device cathode assembly |
| US2740916A (en) * | 1954-09-01 | 1956-04-03 | Garner J Hooper | Vacuum tube with replacement filaments |
-
0
- BE BE474305D patent/BE474305A/xx unknown
-
1942
- 1942-10-17 US US462342A patent/US2372037A/en not_active Expired - Lifetime
-
1943
- 1943-09-23 GB GB15629/43A patent/GB571709A/en not_active Expired
-
1947
- 1947-07-12 FR FR988431D patent/FR988431A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR988431A (fr) | 1951-08-27 |
| US2372037A (en) | 1945-03-20 |
| GB571709A (en) | 1945-09-05 |