BE491490A - - Google Patents
Info
- Publication number
- BE491490A BE491490A BE491490DA BE491490A BE 491490 A BE491490 A BE 491490A BE 491490D A BE491490D A BE 491490DA BE 491490 A BE491490 A BE 491490A
- 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
- H03F3/20—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
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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
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
- H03H7/487—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source particularly adapted as coupling circuit between transmitters and antennas
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52635A US2602887A (en) | 1948-10-04 | 1948-10-04 | Radio transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491490A true BE491490A (de) |
Family
ID=21978889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491490D BE491490A (de) | 1948-10-04 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2602887A (de) |
| BE (1) | BE491490A (de) |
| FR (1) | FR995809A (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2755375A (en) * | 1951-06-07 | 1956-07-17 | Bendix Aviat Corp | Remote frequency control |
| US2864082A (en) * | 1955-05-18 | 1958-12-09 | Rca Corp | Television transmitter system employing components in parallel |
| US2897499A (en) * | 1956-02-07 | 1959-07-28 | Hoffman Electronics Corp | Uhf antenna multicoupler system or the like |
| US2968716A (en) * | 1956-12-31 | 1961-01-17 | Bell Telephone Labor Inc | Reduction of cross-modulation between the output stages of adjacent transmitters |
| NL295360A (de) * | 1962-07-17 | |||
| US3273067A (en) * | 1963-03-28 | 1966-09-13 | Whittaker Corp | Hybrid ring multicoupler for a plurality of pairs of transmitters |
| USB351737I5 (de) * | 1966-05-02 | |||
| US3417402A (en) * | 1967-01-11 | 1968-12-17 | Perry W. Esten | Combining network for radio frequency power sources |
| US3769586A (en) * | 1971-04-26 | 1973-10-30 | Litton Systems Inc | Hybrid coupler for radio transmitter having parallel output amplifier stages |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL64189C (de) * | 1939-04-26 | |||
| BE456046A (de) * | 1939-08-03 | |||
| GB535181A (en) * | 1939-08-31 | 1941-04-01 | Marconi Wireless Telegraph Co | Improvements in or relating to electrical coupling circuits |
| US2416790A (en) * | 1941-01-28 | 1947-03-04 | Sperry Gyroscope Co Inc | Transmission line bridge circuit |
| US2369589A (en) * | 1941-12-09 | 1945-02-13 | Int Standard Electric Corp | Radio frequency circuits |
| US2534624A (en) * | 1943-05-29 | 1950-12-19 | Hartford Nat Bank & Trust Co | Transmitting device |
| US2454907A (en) * | 1945-11-21 | 1948-11-30 | Rca Corp | Radio-frequency network |
-
0
- BE BE491490D patent/BE491490A/xx unknown
-
1948
- 1948-10-04 US US52635A patent/US2602887A/en not_active Expired - Lifetime
-
1949
- 1949-09-19 FR FR995809D patent/FR995809A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR995809A (fr) | 1951-12-10 |
| US2602887A (en) | 1952-07-08 |