BE420254A - - Google Patents
Info
- Publication number
- BE420254A BE420254A BE420254DA BE420254A BE 420254 A BE420254 A BE 420254A BE 420254D A BE420254D A BE 420254DA BE 420254 A BE420254 A BE 420254A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE207615X | 1936-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420254A true BE420254A (ja�@�@) |
Family
ID=5793817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE420254D BE420254A (ja�@�@) | 1936-02-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2138898A (ja�@�@) |
| BE (1) | BE420254A (ja�@�@) |
| CH (1) | CH207615A (ja�@�@) |
| FR (1) | FR818319A (ja�@�@) |
| GB (1) | GB493136A (ja�@�@) |
-
0
- BE BE420254D patent/BE420254A/xx unknown
-
1937
- 1937-02-20 CH CH207615D patent/CH207615A/de unknown
- 1937-02-24 FR FR818319D patent/FR818319A/fr not_active Expired
- 1937-03-01 GB GB6093/37A patent/GB493136A/en not_active Expired
- 1937-05-08 US US141442A patent/US2138898A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR818319A (fr) | 1937-09-23 |
| GB493136A (en) | 1938-10-03 |
| US2138898A (en) | 1938-12-06 |
| CH207615A (de) | 1939-11-15 |