BE428074A - - Google Patents
Info
- Publication number
- BE428074A BE428074A BE428074DA BE428074A BE 428074 A BE428074 A BE 428074A BE 428074D A BE428074D A BE 428074DA BE 428074 A BE428074 A BE 428074A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE204067X | 1937-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428074A true BE428074A (https=) |
Family
ID=5779893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428074D BE428074A (https=) | 1937-05-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2173267A (https=) |
| BE (1) | BE428074A (https=) |
| CH (1) | CH204067A (https=) |
| GB (1) | GB500090A (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2435586A (en) * | 1941-12-20 | 1948-02-10 | Bell Telephone Labor Inc | Electron velocity sorting discharge device |
| US2422088A (en) * | 1944-04-03 | 1947-06-10 | Rca Corp | Electronic discriminator |
| US2577164A (en) * | 1945-03-20 | 1951-12-04 | Rca Corp | Electronic device |
| NL72121C (https=) * | 1945-10-24 | |||
| GB683061A (en) * | 1948-01-24 | 1952-11-19 | Emi Ltd | Improvements relating to thermionic valves utilising secondary electron emission amplification |
| US2679592A (en) * | 1948-08-31 | 1954-05-25 | Rca Corp | Generator and frequency control |
| US2581612A (en) * | 1948-10-20 | 1952-01-08 | Rca Corp | Electron discharge device of the beam deflection type |
| US2999185A (en) * | 1950-01-09 | 1961-09-05 | Harry R Lubcke | Television device |
| US2726353A (en) * | 1951-03-22 | 1955-12-06 | Rca Corp | Electron beam tubes |
-
0
- BE BE428074D patent/BE428074A/xx unknown
-
1938
- 1938-04-21 US US203280A patent/US2173267A/en not_active Expired - Lifetime
- 1938-05-11 GB GB14041/38A patent/GB500090A/en not_active Expired
- 1938-05-14 CH CH204067D patent/CH204067A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2173267A (en) | 1939-09-19 |
| CH204067A (de) | 1939-04-15 |
| GB500090A (en) | 1939-02-02 |