BE419738A - - Google Patents
Info
- Publication number
- BE419738A BE419738A BE419738DA BE419738A BE 419738 A BE419738 A BE 419738A BE 419738D A BE419738D A BE 419738DA BE 419738 A BE419738 A BE 419738A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/68—Tubes specially designed to act as oscillator with positive grid and retarding field, e.g. for Barkhausen-Kurz oscillators
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US61375A US2156016A (en) | 1936-01-29 | 1936-01-29 | High frequency apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419738A true BE419738A (de) |
Family
ID=22035382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419738D BE419738A (de) | 1936-01-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2156016A (de) |
| BE (1) | BE419738A (de) |
| FR (1) | FR816987A (de) |
| GB (1) | GB491445A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419903A (en) * | 1944-05-24 | 1947-04-29 | Sylvania Electric Prod | Electrode construction for highfrequency electronic devices |
-
0
- BE BE419738D patent/BE419738A/xx unknown
-
1936
- 1936-01-29 US US61375A patent/US2156016A/en not_active Expired - Lifetime
-
1937
- 1937-01-29 FR FR816987D patent/FR816987A/fr not_active Expired
- 1937-01-29 GB GB2697/37A patent/GB491445A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB491445A (en) | 1938-08-29 |
| US2156016A (en) | 1939-04-25 |
| FR816987A (fr) | 1937-08-21 |