FR2400782B3 - - Google Patents
Info
- Publication number
- FR2400782B3 FR2400782B3 FR7823936A FR7823936A FR2400782B3 FR 2400782 B3 FR2400782 B3 FR 2400782B3 FR 7823936 A FR7823936 A FR 7823936A FR 7823936 A FR7823936 A FR 7823936A FR 2400782 B3 FR2400782 B3 FR 2400782B3
- Authority
- FR
- France
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/02—Details
- H01Q19/04—Means for collapsing H-antennas or Yagi antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/161—Collapsible reflectors
- H01Q15/162—Collapsible reflectors composed of a plurality of rigid panels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Support Of Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772737214 DE2737214C2 (en) | 1977-08-18 | 1977-08-18 | Directional antenna for the decimeter wave range with a primary and a secondary antenna part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2400782A1 FR2400782A1 (en) | 1979-03-16 |
| FR2400782B3 true FR2400782B3 (en) | 1981-04-10 |
Family
ID=6016696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7823936A Granted FR2400782A1 (en) | 1977-08-18 | 1978-08-16 | Directional aerial array for decimetre waveband - divides reflector surface into support section and symmetrically curved sections |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2737214C2 (en) |
| ES (1) | ES472427A1 (en) |
| FR (1) | FR2400782A1 (en) |
| NL (1) | NL7808136A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5389941A (en) * | 1992-02-28 | 1995-02-14 | Hughes Aircraft Company | Data link antenna system |
| IT1405077B1 (en) * | 2010-06-14 | 2013-12-16 | Fracarro Radioindustrie | ANTENNA SUITS TO RECEIVE AND TRANSMIT AN ELECTROMAGNETIC FIELD, IN PARTICULAR A RADIO SIGNAL. |
| ES1077820Y (en) * | 2012-09-11 | 2013-01-18 | Fagor S Coop (100 0%) | Antenna for digital terrestrial TV reception |
| CN103078609A (en) * | 2012-12-25 | 2013-05-01 | 天津七六四通信导航技术有限公司 | Method for improving audio signal precision of decimetric wave instrument landing system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB885474A (en) * | 1959-05-30 | 1961-12-28 | Meadow Dale Mfg Company Ltd | Improvements relating to aerial systems |
| DE1184818B (en) * | 1962-03-23 | 1965-01-07 | Fuba Antennenwerke Hans Kolbe | Antenna arrangement, consisting of a dipole antenna with several rows of directors |
| DE1925864U (en) * | 1965-07-24 | 1965-10-28 | Hirschmann Radiotechnik | ANTENNA WITH COLLAPSIBLE REFLECTOR SCREEN. |
| DE1996540U (en) * | 1968-06-06 | 1968-11-14 | Bosch Elektronik Photokino | TELEVISION RECEIVING ANTENNA |
| DE1962059A1 (en) * | 1969-12-11 | 1971-06-16 | Seifert Gerd Dipl Ing Dr | Windscreen washer and wiper systems, in particular for motor vehicles |
-
1977
- 1977-08-18 DE DE19772737214 patent/DE2737214C2/en not_active Expired
-
1978
- 1978-08-02 NL NL7808136A patent/NL7808136A/en not_active Application Discontinuation
- 1978-08-08 ES ES472427A patent/ES472427A1/en not_active Expired
- 1978-08-16 FR FR7823936A patent/FR2400782A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2737214A1 (en) | 1979-02-22 |
| DE2737214C2 (en) | 1983-08-18 |
| FR2400782A1 (en) | 1979-03-16 |
| ES472427A1 (en) | 1979-03-16 |
| NL7808136A (en) | 1979-02-20 |