BE474679A - - Google Patents
Info
- Publication number
- BE474679A BE474679A BE474679DA BE474679A BE 474679 A BE474679 A BE 474679A BE 474679D A BE474679D A BE 474679DA BE 474679 A BE474679 A BE 474679A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/08—Amplitude modulation by means of variable impedance element
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US464341A US2393785A (en) | 1942-11-03 | 1942-11-03 | Carrier modulation |
Publications (1)
Publication Number | Publication Date |
---|---|
BE474679A true BE474679A (en) |
Family
ID=23843540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474679D BE474679A (en) | 1942-11-03 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2393785A (en) |
BE (1) | BE474679A (en) |
FR (1) | FR950308A (en) |
GB (1) | GB567517A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492168A (en) * | 1948-04-03 | 1949-12-27 | Int Standard Electric Corp | Modulator |
US2577972A (en) * | 1948-11-13 | 1951-12-11 | Emi Ltd | Circuit arrangement for stabilizing the amplitude of electrical oscillations |
NL160833B (en) * | 1950-05-03 | Pfizer | PROCESS FOR THE PREPARATION OF ANTI-BACTERIAL KANAMYCIN DERIVATIVES AND PREPARATIONS CONTAINING THEM. | |
US2615983A (en) * | 1950-05-05 | 1952-10-28 | Avco Mfg Corp | Tuner for television receivers |
US2691765A (en) * | 1952-04-05 | 1954-10-12 | Bell Telephone Labor Inc | Electron discharge device |
US3132313A (en) * | 1959-08-13 | 1964-05-05 | Alford Andrew | Impedance matching filter |
US3296520A (en) * | 1961-10-26 | 1967-01-03 | William F Griffith | Electrically controlled variable resistance |
US3343088A (en) * | 1963-12-12 | 1967-09-19 | Westinghouse Electric Corp | Wideband high efficiency transmitter system |
US3766313A (en) * | 1972-08-07 | 1973-10-16 | Rca Corp | Circuit for transmitting digital signals to conventional television receiver |
US3792302A (en) * | 1972-12-22 | 1974-02-12 | Raytheon Co | Vhf slow wave structure |
FR2941269B1 (en) | 2009-01-19 | 2015-07-03 | Peugeot Citroen Automobiles Sa | MOTOR VEHICLE MOTOR CYLINDER HEAD. |
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0
- BE BE474679D patent/BE474679A/xx unknown
-
1942
- 1942-11-03 US US464341A patent/US2393785A/en not_active Expired - Lifetime
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1943
- 1943-11-03 GB GB18180/43A patent/GB567517A/en not_active Expired
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1946
- 1946-10-22 FR FR950308D patent/FR950308A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2393785A (en) | 1946-01-29 |
GB567517A (en) | 1945-02-16 |
FR950308A (en) | 1949-09-23 |