FR2346901A1 - Dispositif pour accorder en frequence une antenne radio - Google Patents
Dispositif pour accorder en frequence une antenne radioInfo
- Publication number
- FR2346901A1 FR2346901A1 FR7609718A FR7609718A FR2346901A1 FR 2346901 A1 FR2346901 A1 FR 2346901A1 FR 7609718 A FR7609718 A FR 7609718A FR 7609718 A FR7609718 A FR 7609718A FR 2346901 A1 FR2346901 A1 FR 2346901A1
- Authority
- FR
- France
- Prior art keywords
- inductance
- capacitance
- circuit
- inductances
- aerial
- 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.)
- Granted
Links
Classifications
-
- 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
- H03H7/40—Automatic matching of load impedance to source impedance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
- H01Q9/145—Length of element or elements adjustable by varying the electrical length
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7609718A FR2346901A1 (fr) | 1976-04-02 | 1976-04-02 | Dispositif pour accorder en frequence une antenne radio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7609718A FR2346901A1 (fr) | 1976-04-02 | 1976-04-02 | Dispositif pour accorder en frequence une antenne radio |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2346901A1 true FR2346901A1 (fr) | 1977-10-28 |
FR2346901B1 FR2346901B1 (fr) | 1980-08-01 |
Family
ID=9171346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7609718A Granted FR2346901A1 (fr) | 1976-04-02 | 1976-04-02 | Dispositif pour accorder en frequence une antenne radio |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2346901A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005592A1 (fr) * | 1978-05-24 | 1979-11-28 | Motorola, Inc. | Méthode et dispositif d'adaptation automatique de l'impédance d'un émetteur radio à une antenne |
FR2536215A1 (fr) * | 1982-11-16 | 1984-05-18 | Bel Moratalla | Antenne emettrice-receptrice |
FR2573940A1 (fr) * | 1984-11-23 | 1986-05-30 | Thomson Csf | Dispositif de reglage automatique de la cellule d'adaptation d'une antenne sur sa frequence de travail |
EP0210746A2 (fr) * | 1985-07-26 | 1987-02-04 | GEC-Marconi Limited | Dispositif d'adaptation d'impédance |
EP0691738A1 (fr) * | 1994-07-06 | 1996-01-10 | SOCIETE TECHNIQUE D'APPLICATION & DE RECHERCHE ELECTRONIQUE | Antenne demi-boucle à accord automatique rapide |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509500A (en) * | 1966-12-05 | 1970-04-28 | Avco Corp | Automatic digital tuning apparatus |
DE1921556A1 (de) * | 1969-04-26 | 1970-11-05 | Standard Elek K Lorenz Ag | Antennenabstimmung |
-
1976
- 1976-04-02 FR FR7609718A patent/FR2346901A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509500A (en) * | 1966-12-05 | 1970-04-28 | Avco Corp | Automatic digital tuning apparatus |
DE1921556A1 (de) * | 1969-04-26 | 1970-11-05 | Standard Elek K Lorenz Ag | Antennenabstimmung |
Non-Patent Citations (1)
Title |
---|
NV202/75 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005592A1 (fr) * | 1978-05-24 | 1979-11-28 | Motorola, Inc. | Méthode et dispositif d'adaptation automatique de l'impédance d'un émetteur radio à une antenne |
FR2536215A1 (fr) * | 1982-11-16 | 1984-05-18 | Bel Moratalla | Antenne emettrice-receptrice |
FR2573940A1 (fr) * | 1984-11-23 | 1986-05-30 | Thomson Csf | Dispositif de reglage automatique de la cellule d'adaptation d'une antenne sur sa frequence de travail |
EP0210746A2 (fr) * | 1985-07-26 | 1987-02-04 | GEC-Marconi Limited | Dispositif d'adaptation d'impédance |
EP0210746A3 (en) * | 1985-07-26 | 1987-11-11 | The Marconi Company Limited | Impedance matching arrangement |
US4799066A (en) * | 1985-07-26 | 1989-01-17 | The Marconi Company Limited | Impedance matching arrangement |
EP0691738A1 (fr) * | 1994-07-06 | 1996-01-10 | SOCIETE TECHNIQUE D'APPLICATION & DE RECHERCHE ELECTRONIQUE | Antenne demi-boucle à accord automatique rapide |
FR2722339A1 (fr) * | 1994-07-06 | 1996-01-12 | Tech D Applic & De Rech Electr | Antenne demi-boucle a accord automatique rapide |
Also Published As
Publication number | Publication date |
---|---|
FR2346901B1 (fr) | 1980-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |