BE427770A - - Google Patents
Info
- Publication number
- BE427770A BE427770A BE427770DA BE427770A BE 427770 A BE427770 A BE 427770A BE 427770D A BE427770D A BE 427770DA BE 427770 A BE427770 A BE 427770A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US139949A US2208938A (en) | 1937-04-30 | 1937-04-30 | Divided stream electron multiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427770A true BE427770A (en:Method) | 1938-05-31 |
Family
ID=22489039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427770D BE427770A (en:Method) | 1937-04-30 | 1938-04-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2208938A (en:Method) |
| BE (1) | BE427770A (en:Method) |
| CH (1) | CH203533A (en:Method) |
| DE (1) | DE740822C (en:Method) |
| FR (1) | FR837400A (en:Method) |
| GB (1) | GB501316A (en:Method) |
| NL (1) | NL49448C (en:Method) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB454133A (en) * | 1935-03-07 | 1936-09-24 | British Thomson Houston Co Ltd | Improvements in and relating to amplifying devices for electron currents |
-
1937
- 1937-04-30 US US139949A patent/US2208938A/en not_active Expired - Lifetime
-
1938
- 1938-04-20 GB GB11835/38A patent/GB501316A/en not_active Expired
- 1938-04-25 CH CH203533D patent/CH203533A/de unknown
- 1938-04-26 NL NL87535A patent/NL49448C/xx active
- 1938-04-27 BE BE427770D patent/BE427770A/xx unknown
- 1938-04-30 FR FR837400D patent/FR837400A/fr not_active Expired
- 1938-05-01 DE DEF84901D patent/DE740822C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2208938A (en) | 1940-07-23 |
| NL49448C (en:Method) | 1940-10-15 |
| DE740822C (de) | 1943-10-29 |
| GB501316A (en) | 1939-02-24 |
| CH203533A (de) | 1939-03-15 |
| FR837400A (fr) | 1939-02-08 |