BE426405A - - Google Patents
Info
- Publication number
- BE426405A BE426405A BE426405DA BE426405A BE 426405 A BE426405 A BE 426405A BE 426405D A BE426405D A BE 426405DA BE 426405 A BE426405 A BE 426405A
- 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
- H01J43/04—Electron multipliers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE512711X | 1937-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426405A true BE426405A (en:Method) |
Family
ID=6548209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426405D BE426405A (en:Method) | 1937-02-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2227030A (en:Method) |
| BE (1) | BE426405A (en:Method) |
| FR (1) | FR833741A (en:Method) |
| GB (2) | GB512711A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3333133A (en) * | 1948-04-15 | 1967-07-25 | George A Morton | Pick up tube with infra-red sensitive thermionic cathode with cooling means spaced from the thermionic cathode |
| US2702865A (en) * | 1949-04-02 | 1955-02-22 | Texas Co | Electron multiplier |
| US2727119A (en) * | 1954-11-02 | 1955-12-13 | Electronics Corp America | Radiation-sensitive device |
| US2920205A (en) * | 1957-10-02 | 1960-01-05 | Wolfgang J Choyke | Radiant energy detector |
-
0
- BE BE426405D patent/BE426405A/xx unknown
-
1938
- 1938-02-05 US US188951A patent/US2227030A/en not_active Expired - Lifetime
- 1938-02-14 GB GB4541/38A patent/GB512711A/en not_active Expired
- 1938-02-14 FR FR833741D patent/FR833741A/fr not_active Expired
- 1938-02-14 GB GB24687/39A patent/GB517806A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB517806A (en) | 1940-02-08 |
| US2227030A (en) | 1940-12-31 |
| FR833741A (fr) | 1938-10-28 |
| GB512711A (en) | 1939-09-25 |