BE420781A - - Google Patents
Info
- Publication number
- BE420781A BE420781A BE420781DA BE420781A BE 420781 A BE420781 A BE 420781A BE 420781D A BE420781D A BE 420781DA BE 420781 A BE420781 A BE 420781A
- 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
- H01J43/12—Anode arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71855A US2135039A (en) | 1936-03-31 | 1936-03-31 | Electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420781A true BE420781A (ja) |
Family
ID=22104035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE420781D BE420781A (ja) | 1936-03-31 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2135039A (ja) |
| AT (1) | AT160157B (ja) |
| BE (1) | BE420781A (ja) |
| DE (1) | DE749661C (ja) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1903569A (en) * | 1926-09-15 | 1933-04-11 | Kenneth W Jarvis | Electron tube |
-
0
- BE BE420781D patent/BE420781A/xx unknown
-
1936
- 1936-03-31 US US71855A patent/US2135039A/en not_active Expired - Lifetime
-
1937
- 1937-03-26 DE DER98967D patent/DE749661C/de not_active Expired
- 1937-03-27 AT AT160157D patent/AT160157B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| AT160157B (de) | 1941-02-25 |
| DE749661C (de) | 1944-11-30 |
| US2135039A (en) | 1938-11-01 |