DE3677256D1 - Polarisationsselektiver reflektor und verfahren zu dessen herstellung. - Google Patents
Polarisationsselektiver reflektor und verfahren zu dessen herstellung.Info
- Publication number
- DE3677256D1 DE3677256D1 DE8686400808T DE3677256T DE3677256D1 DE 3677256 D1 DE3677256 D1 DE 3677256D1 DE 8686400808 T DE8686400808 T DE 8686400808T DE 3677256 T DE3677256 T DE 3677256T DE 3677256 D1 DE3677256 D1 DE 3677256D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- polarization selective
- selective reflector
- reflector
- polarization
- 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 - Fee Related
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
- H01Q19/18—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
- H01Q19/19—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 comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/195—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 comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8506006A FR2580868B1 (fr) | 1985-04-19 | 1985-04-19 | Dispositif reflechissant les ondes electromagnetiques d'une polarisation et son procede de realisation |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3677256D1 true DE3677256D1 (de) | 1991-03-07 |
Family
ID=9318458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686400808T Expired - Fee Related DE3677256D1 (de) | 1985-04-19 | 1986-04-15 | Polarisationsselektiver reflektor und verfahren zu dessen herstellung. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4792811A (de) |
EP (1) | EP0202979B1 (de) |
CA (1) | CA1256536A (de) |
DE (1) | DE3677256D1 (de) |
FR (1) | FR2580868B1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2659797A1 (fr) * | 1990-03-16 | 1991-09-20 | Trt Telecom Radio Electr | Antenne comportant un reflecteur illumine par un dispositif de retro-alimentation. |
US5546097A (en) * | 1992-12-22 | 1996-08-13 | Hughes Aircraft Company | Shaped dual reflector antenna system for generating a plurality of beam coverages |
FR2715511B1 (fr) * | 1994-01-21 | 1996-02-23 | Thomson Csf | Dispositif de compensation des erreurs de pointage causées par des pannes de déphaseurs d'antennes à balayage électronique ou de coefficients d'antennes à formation de faisceaux par le calcul. |
FR2775347B1 (fr) * | 1998-02-24 | 2000-05-12 | Thomson Csf | Procede de determination de l'erreur de calage de la face rayonnante d'une antenne reseau a balayage electronique |
FR2812457B1 (fr) | 2000-07-28 | 2004-05-28 | Thomson Csf | Reflecteur hyperfrequence actif a bi-polarisation, notamment pour antenne a balalyage electronique |
US9108370B2 (en) * | 2011-10-19 | 2015-08-18 | Physical Sciences, Inc. | Microgravity fabrication and metalization of large, lightweight polymeric bubbles and films for space system applications |
RU2598402C1 (ru) * | 2015-04-22 | 2016-09-27 | Федеральное Государственное Унитарное Предприятие Ордена Трудового Красного Знамени Научно-Исследовательский Институт Радио (Фгуп Ниир) | Бортовая многолучевая двухзеркальная антенна со смещенной фокальной осью |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3218643A (en) * | 1961-03-01 | 1965-11-16 | Peter W Hannan | Double-reflector antenna with critical dimensioning to achieve minimum aperture blocking |
US3271771A (en) * | 1962-02-15 | 1966-09-06 | Hazeltine Research Inc | Double-reflector, double-feed antenna for crossed polarizations and polarization changing devices useful therein |
FR1368820A (fr) * | 1963-06-14 | 1964-08-07 | Csf | Aérien de hautes performances |
US3574258A (en) * | 1969-01-15 | 1971-04-13 | Us Navy | Method of making a transreflector for an antenna |
US3568204A (en) * | 1969-04-29 | 1971-03-02 | Sylvania Electric Prod | Multimode antenna feed system having a plurality of tracking elements mounted symmetrically about the inner walls and at the aperture end of a scalar horn |
US3821746A (en) * | 1971-11-17 | 1974-06-28 | Mitsubishi Electric Corp | Antenna system with distortion compensating reflectors |
US4017865A (en) * | 1975-11-10 | 1977-04-12 | Rca Corporation | Frequency selective reflector system |
US4144535A (en) * | 1977-02-22 | 1979-03-13 | Bell Telephone Laboratories, Incorporated | Method and apparatus for substantially reducing cross polarized radiation in offset reflector antennas |
-
1985
- 1985-04-19 FR FR8506006A patent/FR2580868B1/fr not_active Expired
-
1986
- 1986-04-15 EP EP86400808A patent/EP0202979B1/de not_active Expired - Lifetime
- 1986-04-15 DE DE8686400808T patent/DE3677256D1/de not_active Expired - Fee Related
- 1986-04-16 US US06/852,557 patent/US4792811A/en not_active Expired - Fee Related
- 1986-04-17 CA CA000506958A patent/CA1256536A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2580868B1 (fr) | 1988-04-08 |
EP0202979A1 (de) | 1986-11-26 |
US4792811A (en) | 1988-12-20 |
FR2580868A1 (fr) | 1986-10-24 |
EP0202979B1 (de) | 1991-01-30 |
CA1256536A (fr) | 1989-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |