FR2457020B1 - - Google Patents
Info
- Publication number
- FR2457020B1 FR2457020B1 FR7912711A FR7912711A FR2457020B1 FR 2457020 B1 FR2457020 B1 FR 2457020B1 FR 7912711 A FR7912711 A FR 7912711A FR 7912711 A FR7912711 A FR 7912711A FR 2457020 B1 FR2457020 B1 FR 2457020B1
- 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
- H01Q19/10—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
-
- 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
- H01Q19/18—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 having two or more spaced reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0012—Radial guide fed arrays
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7912711A FR2457020A1 (fr) | 1979-05-18 | 1979-05-18 | Element rayonnant a plans paralleles et son application a la realisation d'antennes reseaux |
| EP80400668A EP0019548A1 (fr) | 1979-05-18 | 1980-05-14 | Elément rayonnant à plans parallèles et son application à la réalisation d'antennes réseaux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7912711A FR2457020A1 (fr) | 1979-05-18 | 1979-05-18 | Element rayonnant a plans paralleles et son application a la realisation d'antennes reseaux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2457020A1 FR2457020A1 (fr) | 1980-12-12 |
| FR2457020B1 true FR2457020B1 (OSRAM) | 1982-12-31 |
Family
ID=9225640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7912711A Granted FR2457020A1 (fr) | 1979-05-18 | 1979-05-18 | Element rayonnant a plans paralleles et son application a la realisation d'antennes reseaux |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0019548A1 (OSRAM) |
| FR (1) | FR2457020A1 (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439329A (en) | 1981-12-28 | 1984-03-27 | Ciba-Geigy Corporation | Aqueous based fire fighting foam compositions containing hydrocarbyl sulfide terminated oligomer stabilizers |
| FR2655202B1 (fr) * | 1989-11-24 | 1992-02-07 | Thomson Csf | Antenne a polarisation circulaire, notamment pour reseau d'antennes. |
| RU2216831C1 (ru) * | 2002-02-20 | 2003-11-20 | Федеральное государственное унитарное предприятие "Воронежский научно-исследовательский институт связи" | Антенное устройство с повышенной направленностью в е-плоскости |
| DE10256396A1 (de) * | 2002-12-02 | 2004-06-24 | Martin Prof. Dr. Pietralla | Einkoppelungsvorrichtung für elektromagnetische Strahlung |
| US8331197B2 (en) | 2007-08-07 | 2012-12-11 | Industrial Research Limited | Beam forming system and method |
| RU184981U1 (ru) * | 2018-08-13 | 2018-11-15 | Акционерное общество "Концерн "Созвездие" | Антенное устройство |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2767396A (en) * | 1946-04-30 | 1956-10-16 | Bell Telephone Labor Inc | Directive antenna systems |
| US4100548A (en) * | 1976-09-30 | 1978-07-11 | The United States Of America As Represented By The Secretary Of The Department Of Transportation | Bifocal pillbox antenna system |
| AU514706B2 (en) * | 1977-09-23 | 1981-02-19 | Commonwealth Scientific And Industrial Research Organization | Electromagnetic lens for rf aerials |
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1979
- 1979-05-18 FR FR7912711A patent/FR2457020A1/fr active Granted
-
1980
- 1980-05-14 EP EP80400668A patent/EP0019548A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2457020A1 (fr) | 1980-12-12 |
| EP0019548A1 (fr) | 1980-11-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |