EP0141281A3 - Dispositif pour empêcher un décalage du faisceau d'une antenne à polarisation circulaire comportant un réflecteur courbe et une source primaire décentrée - Google Patents
Dispositif pour empêcher un décalage du faisceau d'une antenne à polarisation circulaire comportant un réflecteur courbe et une source primaire décentrée Download PDFInfo
- Publication number
- EP0141281A3 EP0141281A3 EP84111833A EP84111833A EP0141281A3 EP 0141281 A3 EP0141281 A3 EP 0141281A3 EP 84111833 A EP84111833 A EP 84111833A EP 84111833 A EP84111833 A EP 84111833A EP 0141281 A3 EP0141281 A3 EP 0141281A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- camprising
- preventing
- circularly polarized
- radiating element
- main beam
- 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.)
- Withdrawn
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
- 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
- H01Q19/132—Horn reflector antennas; Off-set feeding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3336452 | 1983-10-06 | ||
DE19833336452 DE3336452A1 (de) | 1983-10-06 | 1983-10-06 | Einrichtung zur verhinderung einer strahlungskeulenauslenkung bei einer fuer zirkularpolarisation vorgesehenen antenne mit einem gekruemmten reflektor und einem seitlich einstrahlenden primaerstrahler |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0141281A2 EP0141281A2 (fr) | 1985-05-15 |
EP0141281A3 true EP0141281A3 (fr) | 1986-07-30 |
Family
ID=6211205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84111833A Withdrawn EP0141281A3 (fr) | 1983-10-06 | 1984-10-03 | Dispositif pour empêcher un décalage du faisceau d'une antenne à polarisation circulaire comportant un réflecteur courbe et une source primaire décentrée |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0141281A3 (fr) |
DE (1) | DE3336452A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2854503B1 (fr) * | 2003-04-30 | 2006-12-15 | Cit Alcatel | Satellite a couverture multi-zones assuree par deviation de faisceau |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1449265A (fr) * | 1965-10-05 | 1966-08-12 | Ass Elect Ind | Perfectionnements aux dispositifs d'exploration de faisceaux hyperfréquence |
DE1953083A1 (de) * | 1968-10-28 | 1970-05-14 | Hughes Aircraft Co | Hornantenne |
GB1525514A (en) * | 1975-10-29 | 1978-09-20 | Rudge A | Primary feeds for offset parabolic reflector antennas |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413642A (en) * | 1966-05-05 | 1968-11-26 | Bell Telephone Labor Inc | Dual mode antenna |
CA890032A (en) * | 1970-08-10 | 1972-01-04 | Wu Chuang-Jy | Microwave horn-paraboloidal antenna |
JPS544049A (en) * | 1977-06-13 | 1979-01-12 | Nippon Telegr & Teleph Corp <Ntt> | Offset antenna |
-
1983
- 1983-10-06 DE DE19833336452 patent/DE3336452A1/de active Granted
-
1984
- 1984-10-03 EP EP84111833A patent/EP0141281A3/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1449265A (fr) * | 1965-10-05 | 1966-08-12 | Ass Elect Ind | Perfectionnements aux dispositifs d'exploration de faisceaux hyperfréquence |
DE1953083A1 (de) * | 1968-10-28 | 1970-05-14 | Hughes Aircraft Co | Hornantenne |
GB1525514A (en) * | 1975-10-29 | 1978-09-20 | Rudge A | Primary feeds for offset parabolic reflector antennas |
Non-Patent Citations (2)
Title |
---|
NTG-FACHBERICHTE, "ANTENNEN", NTG-Fachtagung, 8.-11. März 1977, Bad Nauheim, DE, Band 57, Seiten 86-90, VDE-Verlag GmbH, Berlin, DE; G. MÖRZ: "Ein neues Mehrmoden-Speisesystem zur elektrisch gesteuerten Strahlschwenkung bei parabolischen Reflektorantennen" * |
PATENTS ABSTRACTS OF JAPAN, Band 3, Nr. 26 (E-95), 6. March 1979, Seite 15 E 95; & JP-A-54 004 049 (NIPPON DENSHIN DENWA KOSHA) 01-12-1979 * |
Also Published As
Publication number | Publication date |
---|---|
DE3336452C2 (fr) | 1987-09-24 |
EP0141281A2 (fr) | 1985-05-15 |
DE3336452A1 (de) | 1985-05-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3148370A (en) | Frequency selective mesh with controllable mesh tuning | |
US2602893A (en) | Wave guide antenna | |
US3993999A (en) | Amplitude modulation scanning antenna system | |
EP0313057A3 (fr) | Système d'antenne à deux modes à commande par déphaseurs | |
DE2311439A1 (de) | Antennenanordnung | |
DE855418C (de) | Vorrichtung zum Modulieren ultrakurzer Wellen in einer UEbertragungsleitung | |
CA1206605A (fr) | Guide d'ondes a fentes rayonnantes a large bande de frequences | |
DE3064475D1 (en) | Circuit arrangement for controlling a multi-beam acousto-optical cell | |
US2419552A (en) | Radio antenna | |
CA1036709A (fr) | Systeme d'antenne pour le rayonnement de diagramme code doppler a l'aide d'une antenne a faisceau multiple | |
US3238527A (en) | Steerable antenna array | |
EP0141281A3 (fr) | Dispositif pour empêcher un décalage du faisceau d'une antenne à polarisation circulaire comportant un réflecteur courbe et une source primaire décentrée | |
US2458885A (en) | Directive antenna system | |
GB1571411A (en) | Geodesic lens | |
US2863042A (en) | Echo transmitter and receiver having means to produce stable intermediate frequency despite transmitter frequency drift | |
US4001832A (en) | Vertical antenna having an off-center supply | |
US3095543A (en) | Means for modulating high frequency generators | |
Hasani et al. | Dual-band dual-polarized reconfigurable unit-cell for reflectarray antenna in Ku-Band | |
US3500418A (en) | Satellite antenna array with electrically adjustable beam shaping | |
JPS5765901A (en) | Radome | |
DE3047964A1 (de) | "spiegelantenne mit sekundaerstrahlung erzeugenden stuetzen im strahlengang" | |
Tereshin et al. | Method of Calibrating the Load Impedances of Two-Dimensional Periodic Structures | |
US2141247A (en) | Arrangement for wireless signaling | |
Teniente et al. | Gaussian profiled horn antenna for hispasat 1C satellite | |
US3510874A (en) | Pyramidal horn reflector antenna |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH FR GB IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19870127 |
|
17Q | First examination report despatched |
Effective date: 19890126 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19890519 |
|
R18W | Application withdrawn (corrected) |
Effective date: 19890519 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: GIEFING, ANTON, DIPL.-ING. Inventor name: LEUPELT, UWE, DIPL.-ING. |