BE441445A - - Google Patents
Info
- Publication number
- BE441445A BE441445A BE441445DA BE441445A BE 441445 A BE441445 A BE 441445A BE 441445D A BE441445D A BE 441445DA BE 441445 A BE441445 A BE 441445A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
- H03F1/07—Doherty-type amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
- H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US278526A US2238236A (en) | 1939-06-10 | 1939-06-10 | Modulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441445A true BE441445A (en:Method) |
Family
ID=23065316
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468893D BE468893A (en:Method) | 1939-06-10 | ||
| BE441445D BE441445A (en:Method) | 1939-06-10 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468893D BE468893A (en:Method) | 1939-06-10 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2238236A (en:Method) |
| BE (2) | BE441445A (en:Method) |
| FR (1) | FR867663A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2616075A (en) * | 1945-06-16 | 1952-10-28 | Rca Corp | Signal voltage frequency converter |
| US2487212A (en) * | 1946-06-19 | 1949-11-08 | Zenith Radio Corp | High efficiency modulator |
| NL79855C (en:Method) * | 1949-11-02 | |||
| US3114107A (en) * | 1960-12-06 | 1963-12-10 | Packard Bell Electronics Corp | Radio frequency transmitter |
-
0
- BE BE468893D patent/BE468893A/xx unknown
- BE BE441445D patent/BE441445A/xx unknown
-
1939
- 1939-06-10 US US278526A patent/US2238236A/en not_active Expired - Lifetime
-
1940
- 1940-11-08 FR FR867663D patent/FR867663A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2238236A (en) | 1941-04-15 |
| FR867663A (fr) | 1941-11-21 |
| BE468893A (en:Method) |