EP1145368B1 - Antenne plane a double foyer - Google Patents

Antenne plane a double foyer Download PDF

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Publication number
EP1145368B1
EP1145368B1 EP99941473A EP99941473A EP1145368B1 EP 1145368 B1 EP1145368 B1 EP 1145368B1 EP 99941473 A EP99941473 A EP 99941473A EP 99941473 A EP99941473 A EP 99941473A EP 1145368 B1 EP1145368 B1 EP 1145368B1
Authority
EP
European Patent Office
Prior art keywords
microwave antenna
line distribution
groups
another
satellites
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 - Lifetime
Application number
EP99941473A
Other languages
German (de)
English (en)
Other versions
EP1145368A3 (fr
EP1145368A2 (fr
Inventor
Walter Gerhard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pates Technology Patentverwertungsgesellschaft fur Satelliten- und Moderne Informationstechnologien Mbh
Original Assignee
Pates Technology Patentverwertungsgesellschaft fur Satelliten- und Moderne Informationstechnologien Mbh
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Filing date
Publication date
Application filed by Pates Technology Patentverwertungsgesellschaft fur Satelliten- und Moderne Informationstechnologien Mbh filed Critical Pates Technology Patentverwertungsgesellschaft fur Satelliten- und Moderne Informationstechnologien Mbh
Publication of EP1145368A2 publication Critical patent/EP1145368A2/fr
Publication of EP1145368A3 publication Critical patent/EP1145368A3/fr
Application granted granted Critical
Publication of EP1145368B1 publication Critical patent/EP1145368B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them

Definitions

  • the invention relates to a microwave antenna for simultaneous reception of the radiation fields of N ⁇ 2 im Orbit offset by certain angles azimuthal to each other positioned satellite, wherein the microwave antenna Has radiating elements which are divided into N groups, each group each having a Line distribution network with a feed point in Connection is.
  • antennas known by an automatic Pivoting mechanism on different satellites can be aligned one after the other.
  • a disadvantage of These antennas are, on the one hand, none simultaneous reception of satellite signals allow different satellites and another one need complex swivel device.
  • From DE 196 33 147 is a multi-focus reflector antenna known at the two radiation exciters slightly offset to the focal point of the used Parabolic mirror are arranged such that without a Give away the antenna at the same time the signals of two Satellites are receivable.
  • a disadvantage of this antenna is that the radiation exciters are not directly in focus the parabolic mirror can be arranged, whereby the Gain of the antenna compared to the mirror size is not optimal.
  • Parabolic antennas are known in which a radiation exciter arranged in front of the mirror movable on a line is, so that in stationary parabolic reflector more Satellites can be targeted. Disadvantage here is that in turn a complex positioning is required for the radiator and the gain the antenna through the not in focus Radiation exciter is not optimal.
  • planar antennas are known, however just receiving the signals from the satellite to which they have been aligned. Also for planar antennas are positioning device for Optionally aligning to multiple satellites.
  • the object of the invention is a microwave antenna to provide the without pivoting the simultaneous reception of several azimuthally offset Satellite in geostationary orbit allows.
  • a Microwave antenna with the features of claim 1 solved.
  • This antenna is characterized in that the provided with radiating elements side in several individual microwave antennas is divided, each one Microwave antenna has a plurality of radiation elements.
  • Each of these microwave antennas forms one in particular plane or flat surface. These surfaces are in specific Angles arranged to each other, which the respective azimuthal offset of the satellites to be received equivalent.
  • only two groups of radiation elements are present, so that the signals are received from two satellites can. However, there may be more than two satellites by an appropriate number of Radiation element groups are received simultaneously.
  • the groups of radiation elements can either be arranged side by side or in succession. Are the groups in the radiation direction one behind the other arranged, it must be ensured that the electromagnetic radiation of the satellite, whose Signals with a group of radiation elements is received, which in the radiation direction behind a or several other groups is arranged penetrate upstream groups unhindered. Be dazzles, as in the embodiments described used, so they must be arranged be that the radiation fields through the upstream Aperture groups get to the downstream groups can.
  • the microwave antenna according to the invention without any pivoting and / or Positioning devices and guarantees the maximum Profit for each sub-microwave antenna or flat antenna, each sub-microwave antenna being replaced by one each Group of radiation elements is formed.
  • radiator element groups for simultaneous reception of two different polarization directions and / or types in Radiation direction are arranged one behind the other.
  • dielectric substrate in particular a Dielectric film
  • the distribution networks of several Groups Due to the small thickness of the carrier substrate leaves this advantageous easily to the required Angle corresponding to the azimuthal angle, bend.
  • the Microwave antenna at least two parallel to each other arranged conductive layers, in particular conductive Plates, on, in which are opposite each other Recesses or cavities are provided such that between each pair of successive layers dielectric substrate with one or more Wiring distribution networks is arranged, the ends each Kausverteilnetzwerks the recesses or Cavities are facing around with these latter To form radiating elements.
  • the paired conductive layers or Plates can in each case as separate parts or Be formed plates, or all conductive Layers of partial microwave antennas are separated by two curved conductive elements arranged parallel to one another Plates formed. Between the plates are there at least two line distribution networks next to each other arranged, which together with the plates the Form radiating elements of the groups.
  • Microwave antenna according to the invention are between a conductive layer or plate and a Cable distribution network at least one each Spacer, in particular a dielectric film, with is low dielectric constant.
  • microwave antenna according to the invention are thus several planar antennas side by side in a housing arranged, wherein the surface normals of the antennas in aligned state of the microwave antenna in the direction each corresponding satellite have.
  • the microwave antenna 1 shows a microwave antenna consisting of two juxtaposed planar antennas 1a and 1b.
  • the surface normals F N of the two flat antennas 1a and 1b form between them an angle ⁇ which corresponds to the azimuthal angle between the two satellites whose signals are to be received by the two flat antennas 1a and 1b.
  • the two flat antennas 1a and 1b are shown only schematically. So it is possible to provide two separately manufactured flat antennas. It is equally possible, as shown in FIG. 7, to manufacture the two flat antennas 1a and 1b from associated parts.
  • Figures 2 to 4 show further possible Embodiments of the invention Microwave antenna. So is the design of the housing 2, 2 'and 2' 'arbitrary. It depends largely on it whether two ( Figures 2 and 3) or more Flat antennas, e.g. as shown in Figure 4, three Flat antennas 1a '', 1b '' and 1c '', side by side are arranged. The shape of the case can about it Be boxy out.
  • the housing shape should be such as possible that the low-noise converters 3 in the housing 2, 2 'and 2' ' find your own space and thereby against external influences are sufficiently protected.
  • the individual flat antennas arranged inside 2c, 2c 'and 2c' 'of the housing are, as in the Figures 2 to 4 shown, the individual flat antennas arranged.
  • the flat antennas can via Positionierund / or Retaining elements to be fixed in the housing.
  • the flat antennas are in Housing cast.
  • the over Connecting lines 3b with the low-noise converters 3 in Connection are.
  • the connectors should be as possible be arranged close to each other, so that the Connection cable bundled by the Microwave antenna can be carried away.
  • FIG. 5 shows the schematic structure of a Flat antenna, such as e.g. known from DE 19712510 is.
  • the radiator elements are arranged in a matrix and consist of the apertures 4a, 6a and the stimulating or decoupling strip-shaped conductor sections 5b.
  • the received Signals to a decoupling point, not shown, Also called feeding point led from where the signals via a coaxial waveguide to the low-noise converter reach.
  • the diaphragm shape of the diaphragms 4a and 6a is according to the requirements of broadband and to select the type of polarization to be received.
  • FIG. 7 shows an embodiment in which the diaphragm masks 4 'and 6' as well as the coupling networks 5 'for the two planar antennas 1a and 1b or the two radiator element groups are integral.
  • the aperture masks 4 'and 6' are manufactured in two steps. First, the panels are punched into a flat sheet. Thereafter, the sheet is bent at the connecting line of the two radiator element groups such that the two surface normals F N of the two radiator element groups form the azimuthal angle to each other.
  • the two coupling networks can also be applied simultaneously to only one substrate carrier.
  • the insulating materials, such as foam mats, not shown in FIG. 7, which guarantee the distance between the parts 4 ', 5' and 6 ', can also be made in one piece for each layer since they can be bent without any problems, like the substrate carrier.
  • FIG. 8 shows a further possible embodiment the microwave antenna according to the invention, in the for example, two flat antennas side by side and so are arranged at an angle to each other, that to received satellite signals from the microwave antenna cross.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)

Claims (8)

  1. Antenne à micro-ondes pour la réception simultanée des champs de rayonnement de N ≥ 2 satellites positionnés en orbite en étant décalés en azimut l'un par rapport à l'autre d'angles déterminés ϕ, l'antenne à micro-ondes comportant des éléments rayonnants qui sont répartis en N groupes (1a, 1b; 1a', 1b'; 1a", 1b", 1c"), chaque groupe étant relié à un point d'alimentation respectivement par l'intermédiaire d'un réseau (5a) de distribution de lignes, caractérisé en ce que chacun des N groupes (1a, 1b; 1a', 1b'; 1a", 1b'', 1c''), d'éléments rayonnants est disposé respectivement dans un plan, et les normales (FN) à la surface des plans lorsque l'antenne à micro-ondes est dans l'état orienté sont dirigés en direction des satellites respectifs correspondants.
  2. Antenne à micro-ondes selon la revendication 1, caractérisée en ce que les N groupes (1a, 1b; 1a', 1b'; 1a", 1b", 1c") sont disposés côte-à-côte, notamment en étant contigus entre eux.
  3. Antenne à micro-ondes selon la revendication 1 ou 2, caractérisée en ce qu'un substrat diélectrique, notamment une feuille diélectrique, porte les réseaux (5a) de distribution de lignes de plusieurs groupes (1a, 1b; 1a', 1b'; 1a", 1b", 1c").
  4. Antenne à micro-ondes selon l'une des revendications 1 à 3, caractérisée en ce que pour la réception de Z ≥ 2 types de polarisation et/ou directions de polarisation d'un satellite, un nombre de réseaux de distribution de lignes sont disposés les uns derrière les autres dans la direction de rayonnement.
  5. Antenne à micro-ondes selon l'une des revendications précédentes, caractérisée en ce que l'antenne à micro-ondes est constituée par au moins deux couches conductrices (4, 6) disposées parallèlement l'une à l'autre, notamment des plaques conductrices, dans lesquelles des évidements ou des cavités (4a, 6a), qui sont réciproquement opposés, sont prévus de telle sorte qu'entre chaque paire de couches successives (4, 6) est disposé un substrat diélectrique (5) comportant un ou plusieurs réseaux (5a) de distribution de lignes, les extrémités (5b) de chaque réseau (5a) de distribution de lignes étant tournées vers les évidements ou les cavités (4a, 6a) de manière à former, avec ces derniers, les éléments rayonnants.
  6. Antenne à micro-ondes selon la revendication 5, caractérisée en ce que les couches ou plaques conductrices (4, 6), qui sont disposées par paires et entre lesquelles au moins deux réseaux (5a) de distribution de lignes sont disposés côte-à-côte, forment conjointement avec ces derniers les éléments rayonnants des groupes (1a, 1b; 1a', 1b'; 1a", 1b", 1c"), chaque plaque ou couche conductrice (4, 6) étant divisée respectivement en un nombre de plans qui correspond au nombre des réseaux de distribution de lignes, les normales à leur surface étant respectivement parallèles à celles des réseaux correspondants respectifs de distribution de lignes.
  7. Antenne à micro-ondes selon la revendication 6, caractérisée en ce qu'entre une couche ou une plaque conductrice (4, 6) et un réseau (5) de distribution de lignes est disposée au moins une entretoise (7, 8), notamment une feuille diélectrique possédant un faible indice diélectrique.
  8. Antenne à micro-ondes pour la réception simultanée des champs de rayonnement de N ≥ 2 satellites pouvant être positionnés en étant décalés réciproquement en azimut d'un angle déterminé, caractérisée en ce que plusieurs antennes planes (1a, 1b; 1a', 1b'; 1a", 1b", 1c") sont disposées côte-à-côte dans un carter (2, 2', 2"), les normales (FN) aux surfaces des antennes (1a, 1b; 1a', 1b'; 1a", 1b", 1c") sont dirigées vers les satellites respectifs correspondants, lorsque l'entrée à micro-ondes est orientée.
EP99941473A 1998-10-05 1999-07-28 Antenne plane a double foyer Expired - Lifetime EP1145368B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19845868A DE19845868A1 (de) 1998-10-05 1998-10-05 Doppelfokusplanarantenne
DE19845868 1998-10-05
PCT/EP1999/005400 WO2000021154A2 (fr) 1998-10-05 1999-07-28 Antenne plane a double foyer

Publications (3)

Publication Number Publication Date
EP1145368A2 EP1145368A2 (fr) 2001-10-17
EP1145368A3 EP1145368A3 (fr) 2002-11-13
EP1145368B1 true EP1145368B1 (fr) 2005-01-12

Family

ID=7883495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99941473A Expired - Lifetime EP1145368B1 (fr) 1998-10-05 1999-07-28 Antenne plane a double foyer

Country Status (6)

Country Link
US (1) US6580401B1 (fr)
EP (1) EP1145368B1 (fr)
AT (1) ATE287129T1 (fr)
AU (1) AU5507599A (fr)
DE (2) DE19845868A1 (fr)
WO (1) WO2000021154A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039772A1 (de) * 2000-08-16 2002-03-07 Bosch Gmbh Robert Kombinationsantenne
FI20002273A0 (fi) * 2000-10-13 2000-10-13 Pj Microwave Oy Antenniryhmä
SE517758C2 (sv) * 2000-11-14 2002-07-09 Ericsson Telefon Ab L M Dubbelstråleantennapertur
EP1677386A1 (fr) * 2004-12-29 2006-07-05 Stephan Lellouch Dispositif micro-onde appliqué au traitement insecticide d'arbres sur pied et de bois coupé
JP6216268B2 (ja) * 2014-03-10 2017-10-18 日本ピラー工業株式会社 アンテナ装置
US10249951B2 (en) * 2014-10-02 2019-04-02 Viasat, Inc. Multi-beam bi-focal shaped reflector antenna for concurrent communication with multiple non-collocated geostationary satellites and associated method
US9627773B2 (en) * 2015-04-02 2017-04-18 Accton Technology Corporation Structure of a parabolic antenna
US11456525B2 (en) 2018-02-05 2022-09-27 Sumitomo Electric Industries, Ltd. Antenna module and vehicle

Family Cites Families (20)

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JPS6365703A (ja) * 1986-09-05 1988-03-24 Matsushita Electric Works Ltd 平面アンテナ
KR920002227B1 (ko) 1988-05-13 1992-03-20 야기 안테나 가부시끼가이샤 마이크로스트립 어레이 안테나
JPS6453610A (en) * 1988-07-25 1989-03-01 Hitachi Ltd Structure of antenna equipment
JP2939561B2 (ja) * 1989-09-08 1999-08-25 東洋通信機株式会社 マイクロストリップアンテナシステム
GB2256530B (en) * 1991-04-24 1995-08-09 Matsushita Electric Works Ltd Planar antenna
FI91028C (fi) * 1991-10-30 1994-04-25 Valtion Teknillinen Satelliittiantennijärjestely
DE4239597C2 (de) * 1991-11-26 1999-11-04 Hitachi Chemical Co Ltd Ebene Antenne mit dualer Polarisation
EP0624919B1 (fr) * 1992-12-01 2002-02-06 Ntt Mobile Communications Network Inc. Appareil a antenne multilobe
US5404145A (en) * 1993-08-24 1995-04-04 Raytheon Company Patch coupled aperature array antenna
JPH07273534A (ja) * 1994-03-28 1995-10-20 Matsushita Electric Works Ltd 多周波アンテナ
US5552798A (en) * 1994-08-23 1996-09-03 Globalstar L.P. Antenna for multipath satellite communication links
US5581260A (en) * 1995-01-27 1996-12-03 Hazeltine Corporation Angular diversity/spaced diversity cellular antennas and methods
FR2739191B1 (fr) * 1995-09-26 1997-12-12 Centre Nat Etd Spatiales Procede et dispositif de mesure du diagramme d'une antenne
DE19633147A1 (de) * 1996-08-18 1998-02-19 Pates Tech Patentverwertung Multifocus-Reflektorantenne
EP0825670A1 (fr) 1996-08-19 1998-02-25 Siemens Aktiengesellschaft Elément de toit polyvalent
DE19712510A1 (de) * 1997-03-25 1999-01-07 Pates Tech Patentverwertung Zweilagiger Breitband-Planarstrahler
EP0920075B1 (fr) 1997-06-18 2008-01-23 Kyocera Corporation Antenne a polarisation circulaire grand angle
JP3837923B2 (ja) * 1998-07-10 2006-10-25 トヨタ自動車株式会社 平面型偏波共用アンテナ装置
US6037903A (en) * 1998-08-05 2000-03-14 California Amplifier, Inc. Slot-coupled array antenna structures
US6239762B1 (en) * 2000-02-02 2001-05-29 Lockheed Martin Corporation Interleaved crossed-slot and patch array antenna for dual-frequency and dual polarization, with multilayer transmission-line feed network

Also Published As

Publication number Publication date
EP1145368A3 (fr) 2002-11-13
WO2000021154A3 (fr) 2002-09-26
DE59911458D1 (de) 2005-02-17
ATE287129T1 (de) 2005-01-15
WO2000021154A2 (fr) 2000-04-13
EP1145368A2 (fr) 2001-10-17
US6580401B1 (en) 2003-06-17
DE19845868A1 (de) 2000-04-06
AU5507599A (en) 2000-04-26

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