FR2472281B1 - Antenne compacte de hauteur reduite pour l'emission ou la reception des champs electromagnetiques - Google Patents
Antenne compacte de hauteur reduite pour l'emission ou la reception des champs electromagnetiquesInfo
- Publication number
- FR2472281B1 FR2472281B1 FR7931211A FR7931211A FR2472281B1 FR 2472281 B1 FR2472281 B1 FR 2472281B1 FR 7931211 A FR7931211 A FR 7931211A FR 7931211 A FR7931211 A FR 7931211A FR 2472281 B1 FR2472281 B1 FR 2472281B1
- Authority
- FR
- France
- Prior art keywords
- reception
- transmission
- electromagnetic fields
- reduced height
- compact antenna
- 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
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
-
- 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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931211A FR2472281B1 (fr) | 1979-12-20 | 1979-12-20 | Antenne compacte de hauteur reduite pour l'emission ou la reception des champs electromagnetiques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931211A FR2472281B1 (fr) | 1979-12-20 | 1979-12-20 | Antenne compacte de hauteur reduite pour l'emission ou la reception des champs electromagnetiques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2472281A1 FR2472281A1 (fr) | 1981-06-26 |
| FR2472281B1 true FR2472281B1 (fr) | 1985-09-06 |
Family
ID=9232988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931211A Expired FR2472281B1 (fr) | 1979-12-20 | 1979-12-20 | Antenne compacte de hauteur reduite pour l'emission ou la reception des champs electromagnetiques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2472281B1 (fr) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR430637A (fr) * | 1911-06-06 | 1911-10-20 | Robert Goldschmidt | Dispositif pour augmenter la longueur d'onde des antennes usitées en radiotélégraphie |
| US2177416A (en) * | 1938-03-15 | 1939-10-24 | Mackay Radio & Telegraph Compa | Short wave antenna system |
| US2417793A (en) * | 1944-08-01 | 1947-03-18 | Rca Corp | Antenna |
| FR955769A (fr) * | 1946-11-30 | 1950-01-19 | ||
| US2937372A (en) * | 1952-09-30 | 1960-05-17 | Andrew Corp | Broad band antenna |
| US3295137A (en) * | 1964-09-08 | 1966-12-27 | Collins Radio Co | Shortened folded monopole with radiation efficiency increased by ferrite loading |
| FR1497144A (fr) * | 1965-10-22 | 1967-10-06 | Perfectionnements aux antennes | |
| BE792553A (fr) * | 1971-12-22 | 1973-06-12 | Lannionnais Electronique | Antenne radioelectrique de faibles dimensions |
-
1979
- 1979-12-20 FR FR7931211A patent/FR2472281B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2472281A1 (fr) | 1981-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |