BE426298A - - Google Patents
Info
- Publication number
- BE426298A BE426298A BE426298DA BE426298A BE 426298 A BE426298 A BE 426298A BE 426298D A BE426298D A BE 426298DA BE 426298 A BE426298 A BE 426298A
- 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 |
|---|---|---|---|
| NL201751X | 1937-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426298A true BE426298A (en:Method) |
Family
ID=19778373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426298D BE426298A (en:Method) | 1937-02-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2134407A (en:Method) |
| BE (1) | BE426298A (en:Method) |
| CH (1) | CH201751A (en:Method) |
| FR (1) | FR833451A (en:Method) |
| GB (1) | GB487044A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2442576A (en) * | 1939-08-05 | 1948-06-01 | Hartford Nat Bank & Trust Co | Mixing tube |
| US2448559A (en) * | 1944-05-05 | 1948-09-07 | Raytheon Mfg Co | Electron discharge tube |
| BE484647A (en:Method) * | 1947-09-03 | |||
| US2615138A (en) * | 1948-10-30 | 1952-10-21 | Rca Corp | Beam type electron tube |
-
0
- BE BE426298D patent/BE426298A/xx unknown
-
1938
- 1938-02-09 US US189507A patent/US2134407A/en not_active Expired - Lifetime
- 1938-02-09 GB GB4067/38A patent/GB487044A/en not_active Expired
- 1938-02-10 FR FR833451D patent/FR833451A/fr not_active Expired
- 1938-02-10 CH CH201751D patent/CH201751A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR833451A (fr) | 1938-10-21 |
| US2134407A (en) | 1938-10-25 |
| CH201751A (de) | 1938-12-15 |
| GB487044A (en) | 1938-06-14 |