BE356578A - - Google Patents
Info
- Publication number
- BE356578A BE356578A BE356578DA BE356578A BE 356578 A BE356578 A BE 356578A BE 356578D A BE356578D A BE 356578DA BE 356578 A BE356578 A BE 356578A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/32—Secondary-electron-emitting electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US240044A US1756889A (en) | 1927-12-14 | 1927-12-14 | Electron-discharge apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE356578A true BE356578A (fr) |
Family
ID=22904873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE356578D BE356578A (fr) | 1927-12-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1756889A (fr) |
| BE (1) | BE356578A (fr) |
| DE (1) | DE662140C (fr) |
| FR (1) | FR666222A (fr) |
| GB (1) | GB302307A (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE426040A (fr) * | 1937-01-30 | |||
| DE974826C (de) * | 1939-05-31 | 1961-05-10 | Fernseh Gmbh | Verfahren zur Herstellung sekundaeremittierender Schichten |
| DE758170C (de) * | 1939-06-10 | 1953-09-28 | Telefunken Gmbh | Schirmgitterroehre mit einem sich laengs der Kathode aendernden Durchgriff zur Verhinderung der Kreuzmodulation |
| DE864423C (de) * | 1940-04-15 | 1953-01-26 | Philips Nv | Elektrische Entladungsroehre |
| US2430218A (en) * | 1944-03-21 | 1947-11-04 | Eitel Mccullough Inc | Electron tube with secondary emissive grid |
| US2441260A (en) * | 1945-05-17 | 1948-05-11 | Cortese Ralph | Electrode |
| US2527945A (en) * | 1946-06-25 | 1950-10-31 | Rca Corp | Method of and apparatus for generation of electrical energy from nuclear reactions |
| US2581408A (en) * | 1947-04-16 | 1952-01-08 | Sperry Corp | High-frequency electron discharge device |
| DE1122181B (de) * | 1958-10-24 | 1962-01-18 | Egyesuelt Izzolampa | Verfahren zur Herstellung von Gitterelektroden fuer Elektronenroehren und Anwendung eines Gitters |
-
0
- BE BE356578D patent/BE356578A/xx unknown
-
1927
- 1927-12-14 US US240044A patent/US1756889A/en not_active Expired - Lifetime
-
1928
- 1928-11-22 GB GB34436/28A patent/GB302307A/en not_active Expired
- 1928-12-13 DE DEI36443D patent/DE662140C/de not_active Expired
- 1928-12-14 FR FR666222D patent/FR666222A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR666222A (fr) | 1929-09-28 |
| DE662140C (de) | 1938-07-06 |
| US1756889A (en) | 1930-04-29 |
| GB302307A (en) | 1929-07-04 |