FR1401683A - Antenna tuning device - Google Patents
Antenna tuning deviceInfo
- Publication number
- FR1401683A FR1401683A FR979723A FR979723A FR1401683A FR 1401683 A FR1401683 A FR 1401683A FR 979723 A FR979723 A FR 979723A FR 979723 A FR979723 A FR 979723A FR 1401683 A FR1401683 A FR 1401683A
- Authority
- FR
- France
- Prior art keywords
- tuning device
- antenna tuning
- antenna
- tuning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/006—Transmitter or amplifier output circuits
-
- 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
- H03H7/38—Impedance-matching networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US291561A US3319168A (en) | 1963-06-28 | 1963-06-28 | Antenna tuning apparatus which shorts selected portions of loading coil over complete output cycle |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1401683A true FR1401683A (en) | 1965-06-04 |
Family
ID=23120807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR979723A Expired FR1401683A (en) | 1963-06-28 | 1964-06-26 | Antenna tuning device |
Country Status (4)
Country | Link |
---|---|
US (1) | US3319168A (en) |
DE (1) | DE1279123B (en) |
FR (1) | FR1401683A (en) |
GB (1) | GB1023106A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3414833A (en) * | 1965-04-30 | 1968-12-03 | Gen Dynamics Corp | Electronically tunable high frequency network using pin diodes |
US3395351A (en) * | 1967-11-09 | 1968-07-30 | Westinghouse Electric Corp | System for shifting resonant frequency of an antenna |
US3939422A (en) * | 1974-02-12 | 1976-02-17 | Westinghouse Electric Corporation | Dynamic antenna tuner |
DE4012265A1 (en) * | 1990-04-17 | 1991-10-24 | Toepholm & Westermann | CIRCUIT ARRANGEMENT FOR AN OUTPUT TANK CIRCUIT OF A TRANSMITTER END STAGE OPERATED WITH FREQUENCY REVERSING |
US5367537A (en) * | 1993-05-24 | 1994-11-22 | Delco Electronics Corp. | Saw-based FSK modulating circuit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE737560C (en) * | 1936-01-21 | 1943-07-16 | Siemens Ag | Electrical wound capacitor with several assignments |
US2712061A (en) * | 1948-11-03 | 1955-06-28 | Westinghouse Electric Corp | Means for high speed keying at low radio frequency |
US2825030A (en) * | 1949-01-19 | 1958-02-25 | Westinghouse Electric Corp | Frequency modulated v.l.f. transmitter |
US2989624A (en) * | 1949-08-06 | 1961-06-20 | Westinghouse Electric Corp | Radio transmitter with tunable antenna |
US2679581A (en) * | 1950-05-20 | 1954-05-25 | Westinghouse Electric Corp | Antenna tuning system |
FR1049912A (en) * | 1952-01-28 | 1954-01-04 | Telecommunications Sa | Variable frequency oscillator |
US3193725A (en) * | 1961-03-03 | 1965-07-06 | Ward Leonard Electric Co | Control system for solid state controlled rectifiers |
US3155922A (en) * | 1961-11-21 | 1964-11-03 | Bell Telephone Labor Inc | Oscillator frequency control with switching |
US3188568A (en) * | 1961-12-05 | 1965-06-08 | Marelli Lenkurt S P A | Arrangement for tuning of the transmitting antenna of a data transmission system |
US3117279A (en) * | 1962-06-04 | 1964-01-07 | Collins Radio Co | Automatically controlled antenna tuning and loading system |
-
1963
- 1963-06-28 US US291561A patent/US3319168A/en not_active Expired - Lifetime
-
1964
- 1964-06-03 GB GB22992/64A patent/GB1023106A/en not_active Expired
- 1964-06-26 FR FR979723A patent/FR1401683A/en not_active Expired
- 1964-06-26 DE DEW37054A patent/DE1279123B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1279123B (en) | 1968-10-03 |
GB1023106A (en) | 1966-03-16 |
US3319168A (en) | 1967-05-09 |
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