BE405172A - - Google Patents
Info
- Publication number
- BE405172A BE405172A BE405172DA BE405172A BE 405172 A BE405172 A BE 405172A BE 405172D A BE405172D A BE 405172DA BE 405172 A BE405172 A BE 405172A
- 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only
-
- 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)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL432618X | 1933-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE405172A true BE405172A (en) |
Family
ID=19786164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE405172D BE405172A (en) | 1933-09-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2158248A (en) |
| BE (1) | BE405172A (en) |
| FR (1) | FR778460A (en) |
| GB (1) | GB432618A (en) |
| NL (1) | NL43268C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE754298C (en) * | 1935-07-04 | 1952-07-17 | Emi Ltd | Low-frequency transmission system with automatic amplitude control through an impedance multi-grating tube connected across the transmission path |
| US2540313A (en) * | 1945-06-01 | 1951-02-06 | Hartford Nat Bank & Trust Co | Apparatus to control the gain of a signal amplifying system |
| US2552136A (en) * | 1945-06-13 | 1951-05-08 | Gen Electric | Linear amplifier system |
| US2504480A (en) * | 1946-01-21 | 1950-04-18 | Bendix Aviat Corp | Amplifier bias system |
| US2783376A (en) * | 1950-10-03 | 1957-02-26 | Wilbur A Hane | High speed positive pulse generator |
| US2817716A (en) * | 1954-03-05 | 1957-12-24 | Melvin B Freedman | Gain control circuits |
| US2777018A (en) * | 1954-10-15 | 1957-01-08 | Du Mont Allen B Lab Inc | Direct-coupled amplifier |
| US2965854A (en) * | 1956-02-20 | 1960-12-20 | Bergson Gustav | Electro-meter amplifier |
-
0
- NL NL43268D patent/NL43268C/xx active
- BE BE405172D patent/BE405172A/xx unknown
-
1934
- 1934-09-11 US US743610A patent/US2158248A/en not_active Expired - Lifetime
- 1934-09-12 FR FR778460D patent/FR778460A/en not_active Expired
- 1934-09-13 GB GB26339/34A patent/GB432618A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2158248A (en) | 1939-05-16 |
| GB432618A (en) | 1935-07-30 |
| FR778460A (en) | 1935-03-16 |
| NL43268C (en) |