BE426582A - - Google Patents
Info
- Publication number
- BE426582A BE426582A BE426582DA BE426582A BE 426582 A BE426582 A BE 426582A BE 426582D A BE426582D A BE 426582DA BE 426582 A BE426582 A BE 426582A
- 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
- H01J43/06—Electrode arrangements
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/22—Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE426582X | 1937-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426582A true BE426582A (fr) | 1938-03-31 |
Family
ID=6547913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426582D BE426582A (fr) | 1937-02-24 | 1938-02-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2227031A (fr) |
| BE (1) | BE426582A (fr) |
| FR (1) | FR834122A (fr) |
| GB (1) | GB511780A (fr) |
| NL (1) | NL52063C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478163A (en) * | 1944-12-30 | 1949-08-02 | Gen Aniline & Film Corp | Logarithmic photometer |
| US2585044A (en) * | 1945-02-05 | 1952-02-12 | Farnsworth Res Corp | Gain control apparatus |
| US3130342A (en) * | 1947-04-05 | 1964-04-21 | George A Morton | Photoelectric cell |
| US3234422A (en) * | 1957-03-07 | 1966-02-08 | Itt | Collector for barrier grid storage tube |
-
1938
- 1938-02-19 US US191451A patent/US2227031A/en not_active Expired - Lifetime
- 1938-02-22 FR FR834122D patent/FR834122A/fr not_active Expired
- 1938-02-22 GB GB5528/38A patent/GB511780A/en not_active Expired
- 1938-02-23 NL NL86580A patent/NL52063C/xx active
- 1938-02-24 BE BE426582D patent/BE426582A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB511780A (en) | 1939-08-24 |
| FR834122A (fr) | 1938-11-14 |
| NL52063C (fr) | 1942-03-16 |
| US2227031A (en) | 1940-12-31 |