BE425727A - - Google Patents
Info
- Publication number
- BE425727A BE425727A BE425727DA BE425727A BE 425727 A BE425727 A BE 425727A BE 425727D A BE425727D A BE 425727DA BE 425727 A BE425727 A BE 425727A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/62—Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal, e.g. no carrier output when no modulating signal is present
-
- 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)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE205375X | 1937-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425727A true BE425727A (US07534539-20090519-C00280.png) |
Family
ID=5786884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425727D BE425727A (US07534539-20090519-C00280.png) | 1937-01-13 |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2605397A (en) * | 1950-02-25 | 1952-07-29 | Westinghouse Electric Corp | Radio receiver for single side band signals |
| US2969508A (en) * | 1957-06-28 | 1961-01-24 | Mark I Jacob | Grid modulation system for simultaneous am and fm transmissions |
| US4737192A (en) * | 1983-10-17 | 1988-04-12 | Manville Service Corporation | Refractory binder, method for making same, and product produced thereby |
-
0
- NL NL54832D patent/NL54832C/xx active
- BE BE425727D patent/BE425727A/xx unknown
-
1938
- 1938-01-10 CH CH205375D patent/CH205375A/de unknown
- 1938-01-12 US US184646A patent/US2189897A/en not_active Expired - Lifetime
- 1938-01-12 FR FR831994D patent/FR831994A/fr not_active Expired
- 1938-01-13 GB GB1198/38A patent/GB503443A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR831994A (fr) | 1938-09-16 |
| NL54832C (US07534539-20090519-C00280.png) | |
| CH205375A (de) | 1939-06-15 |
| GB503443A (en) | 1939-04-06 |
| US2189897A (en) | 1940-02-13 |
