EP1006608A2 - Agencement d'antenne à couches multiples - Google Patents

Agencement d'antenne à couches multiples Download PDF

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Publication number
EP1006608A2
EP1006608A2 EP99123247A EP99123247A EP1006608A2 EP 1006608 A2 EP1006608 A2 EP 1006608A2 EP 99123247 A EP99123247 A EP 99123247A EP 99123247 A EP99123247 A EP 99123247A EP 1006608 A2 EP1006608 A2 EP 1006608A2
Authority
EP
European Patent Office
Prior art keywords
layer
antenna arrangement
arrangement according
insulating
patch
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.)
Granted
Application number
EP99123247A
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German (de)
English (en)
Other versions
EP1006608A3 (fr
EP1006608B1 (fr
Inventor
Leila Bekraoui
Thomas Eibeck
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.)
Technisat Digital GmbH
Original Assignee
Technisat Elektronik Thueringen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Technisat Elektronik Thueringen GmbH filed Critical Technisat Elektronik Thueringen GmbH
Publication of EP1006608A2 publication Critical patent/EP1006608A2/fr
Publication of EP1006608A3 publication Critical patent/EP1006608A3/fr
Application granted granted Critical
Publication of EP1006608B1 publication Critical patent/EP1006608B1/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
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna 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
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/065—Patch antenna array

Definitions

  • the invention relates to a multilayer antenna arrangement with at least one in a first conductive Layer-formed patch element, which in at least one another conductive layer, an excitation element with a Feed line is assigned, the feed line to Aligned patch element and electromagnetically coupled to it is.
  • a multi-layer antenna arrangement of the aforementioned Art is, for example, on a website of the institute for ultra-high frequency technology and electronics at the university Düsseldorf (www-ihe.etec.uni-karlsruhe.de/utz/wwwadm/mikrost Shape_antennen.html) from November 4, 1998.
  • Patch antenna arrangements are used, for example Reception of satellite broadcast signals used.
  • the satellite broadcast signals are used by geostationary broadcasting satellites radiated in the frequency range from 10.7 to 12.75 GHz.
  • the emitted signals of adjacent channels are different polarized, preferably vertical and horizontal.
  • parabolic antennas have been widely used, which however, proved to be disadvantageous in that they are based on their voluminous and bulky structure a large target offer for wind, so additional facilities were provided to support the antenna. Besides became the visual impression of a wall mounted Parabolic antenna found to be disadvantageous.
  • planar antennas have, for example Plurality of patch antenna elements arranged in a matrix on.
  • a conductive facing the satellite Are a plurality of layers in a rectangular matrix preferably arranged equidistantly arranged patch structures.
  • the patch structures can be circular or be rectangular.
  • the patch structures are rectangular, with the outer edges of the rectangular patch element to the polarization directions vertically and horizontally polarized satellite broadcast signals are aligned.
  • Excitation systems for decoupling the received signals arranged.
  • the excitation systems have feed lines, which, for example, are designed as strip lines and Reception of the mutually orthogonally polarized satellite broadcast signals arranged at right angles to each other and closed of the patch structure.
  • the invention has for its object the mutual Decoupling of the orthogonally polarized received signals receiving excitation systems at simple To improve manufacturability.
  • the invention Antenna arrangement has several in a first conductive layer formed patch elements, those in a second and a third conductive Layer first and second excitation elements are assigned.
  • the first excitation elements each have a first one Direction oriented first feed lines and the second Excitation elements in a direction orthogonal to the first direction second direction oriented second feed lines.
  • Each The feed line is aligned with the associated patch element and electromagnetically coupled with it.
  • the multilayer Antenna arrangement can, for example, be flat (Planar antenna) or as a cylindrical multi-layer arrangement be trained.
  • the conductive layers are preferred Copper, aluminum or gold metal layers.
  • the first conductive layer is in the patch elements formed such that they are a plurality of along the first direction and along the second direction Has recesses arranged in a matrix. In the recesses the conductive layer is completely removed.
  • the recesses arranged in rows and columns can be circular or rectangular, for example his. These recesses form preferred column directions along the row and orthogonal column direction Current flow directions. The flow of electricity along the lines and splitting is preferred because of filtering takes place.
  • the matrix of the recesses is arranged that the preferred current flow directions to those Current flows are aligned with the excitation the mutually orthogonal satellite reception signals should flow.
  • the structuring of the patch elements improved cross polarization decoupling; they become too an exit direction (in the direction of an external patch antenna) flowing currents preferred while orthogonal Currents (of the other polarization direction) and transverse Currents (which come from neighboring antenna systems) filtered become.
  • a preferred embodiment of the multi-layer antenna arrangement is characterized in that at least a patch element of rectangular shape with in the first and second direction extending outer boundaries and N * M has recesses, each with N recesses in the first direction and M recesses in each second direction are arranged one behind the other.
  • the N * M Recesses form a rectangular matrix within the Patch structure. It can be arranged on the outside Recesses arranged in the delimitation area of the patch in this way be that the outer boundary is a meandering Maintains structure.
  • the remaining metal layer of the patch structure consists functionally of the first and second Direction of metal bars or strip lines.
  • This antenna arrangement is used for reception, for example vertically and horizontally polarized radio signals aligned that the boundary edges of the rectangular Patch elements in the vertical or horizontal polarization direction run.
  • the patch element is generally not of a square shape, since ⁇ g is different for the two polarization directions.
  • the different side lengths of the patch element are based, among other things, on the different distance between the second and third conductive layers from the patch structure and the different thickness and type of dielectrics present between the conductive layers.
  • the recesses arranged in a matrix can, for example be circular.
  • the recesses are essentially rectangular, the boundary edges of which are in the first or second direction.
  • Another preferred embodiment of the multilayer Antenna arrangement is characterized in that the N recesses in the first direction and the M recesses in in the second direction one after the other at equal intervals are arranged to each other.
  • the latter two On the one hand, embodiments allow a simple one Manufacturing, on the other hand, they cause a good and over the patch evenly suppression diagonally flowing Currents. With an excitation in one of the two directions also finds a suppression of the currents in the other orthogonal direction and from the transverse current instead.
  • the at least one patch element has a grid-like one Structure by a first number of in the first Direction of parallel first strip conductors and a second number of parallel in the second direction extending and connected to the first strip conductors second strip conductors is formed.
  • the first conductive layer actually exists from two superimposed conductive sub-layers, with strip conductors in one conductive sublayer in the first direction and in the other conductive sublayer strip line in the second direction are trained.
  • the first strip conductors are preferably with the second strip conductors on the whole Surface of mutual overlap electrically connected.
  • the first and second strip lines are each from same width and length and at the same distance from each other arranged.
  • the uniform structure of the intersecting Stripline facilitates the production and ensures a even distribution of current density.
  • the lengths of the first and second striplines are on the guided wavelength tuned for the radio signals to be received.
  • first and second strip conductors there are four each to eight, preferably six, first and second strip conductors intended.
  • first and second strip conductors In the practical antenna arrangements proved to be a number of six strip conductors each in the first and second directions as advantageous.
  • a preferred embodiment is characterized in that that the width of the stripline is greater than the distance the stripline is, preferably 5 to 12 times, in particular is 10 times the distance.
  • the so formed recesses occupy only a small part the entire metal surface of the patch element, so that they the Current flow in the first or in the second direction only minimally hinder.
  • the number of apprentices in the first and second direction Stripline and their distance depend both on the frequency range, the constructive design of the excitation systems and their distance from the patch element as well of the dielectric materials and metals used from.
  • the first, the second and the third conductive layer before a fourth unstructured conductive Layer arranged the fourth conductive Layer forms a mass plate, and the second and the third conductive layer behind the first conductive Layer are arranged.
  • a fifth conductive layer is arranged, which in assignment for each of the at least one patch elements one in arranged essentially congruently behind the first feed line first slot-like opening and one essentially second congruently arranged in front of the second feed line has slot-like opening.
  • Congruent arrangement means in this case that the slit-like openings themselves towards the normal of the patch element plane in the middle the patch structure exactly behind or before the associated first or second feed line are arranged.
  • first and second feed lines each to a center line of an associated rectangular patch element are the first and the second slit-like Opening a symmetrical cross-slot opening.
  • the third conductive layer arranged metal layer which is connected to ground potential minimizes the electromagnetic coupling outside of the patch elements assigned feed lines both between the two Excitation systems as well as the incoming radio signals.
  • the cross polarization decoupling is increased, i.e. the mutual influence of the vertical polarized or receiving the horizontally polarized signals Systems is minimized.
  • the design of the patch arrangement is such that the first conductive layer on one facing the ground plate Back of a first insulating plate applied Metal layer is the second conductive layer an on an upper side facing away from the ground plate second insulating plate applied metal layer, and that the metal layers of the first and the second insulating Plate separated by a first insulating layer and are spaced.
  • the insulating plates are for example made of plastic (a polyethylene, polyester, Polycarbonate, PVC) which can be filled with ceramics, whereupon the metal layer (e.g. copper, aluminum, Gold) evaporated, sputtered and / or galvanically deposited is.
  • the first insulating layer separates and spaces the patch elements from the first excitation system. you Distance affects the bandwidth of the receiving system.
  • the first isolating Layer a foam layer with a relative dielectric constant less than 1.2, the thickness of which is greater than the thickness of the first and second insulating plates is. The relatively thick insulating layer increases the bandwidth.
  • the third is conductive Layer one on a back side facing the ground plate a third insulating plate applied metal layer and are the metal layer of the third insulating plate and the ground plate through a second insulating layer Cut.
  • the second insulating layer is also preferred here a foam layer with a relative dielectric constant less than 1.2, the thickness of which is greater than the thickness of the third insulating plate.
  • the first, second and third insulating plates can be of the same Be kind, just like the first and the second isolating Layer can be formed the same. This simplifies it the manufacture of the antenna arrangement.
  • An advantageous further development of the isolating Plates and insulating layers built antenna array is characterized in that behind the metal layer the second insulating plate and in front of the metal layer the third insulating plate one on one of the Earth plate facing back of the second and / or on a top of the third insulating facing away from the ground plate Plate applied metal layer is arranged which in association with each of the at least one patch elements one essentially congruent behind the first Feed line arranged first slot-like opening and one essentially congruent before the second feed line arranged second slot-like opening.
  • This additional metal layer which has a ground potential is placed, increases - as already explained above - the Cross polarization decoupling and thus reduces the unwanted mutual influence of the two polarization directions associated systems.
  • this multilayer antenna arrangement designed so that isolating between the second and third Plate arranged metal layer the second and the third insulating plate connects together.
  • An advantageous embodiment of the isolating from several This is due to the built-up patch arrangement characterized in that with one or more metal layers provided insulating plates made of a circuit board base material with a metal lamination.
  • the use of standard materials from the electronics device industry ensures simple and economical production the antenna arrangement.
  • this embodiment is on the structured metal lamination of the PCB base material is an insulating one Protective layer applied.
  • the metal structures are between the insulating base material and the protective layer enveloped and thus against various environmental influences (e.g. humidity) protected.
  • a preferred flat embodiment of the multilayer Antenna arrangement for example for the production of a planar satellite receiving antenna can be used is characterized in that the one or more Metal layers provided insulating plates and the insulating Layers (e.g. thick layers of foam) mechanically by means of insulating, through holes in the plates or Layers of bolts passed through firmly connected are. This arrangement allows easy assembly the antenna.
  • the one or more Metal layers provided insulating plates and the insulating Layers (e.g. thick layers of foam) mechanically by means of insulating, through holes in the plates or Layers of bolts passed through firmly connected are. This arrangement allows easy assembly the antenna.
  • the multilayer shown in Figures 1 and 2 Antenna arrangement consists of several conductive and insulating Layers, the vast majority of which are conductive Layers by structuring one on an insulating one Plate made of metal lamination is.
  • FIG. 1 shows a view in which the tops of the Layers are shown;
  • Figure 2 shows the associated Subviews.
  • the multilayer antenna arrangement 10 has a first insulating plate 11 on the underside there is a matrix-like arrangement of rectangular patch elements 12 is located.
  • the rectangular patch elements 12 are one of a kind thanks to a conventional structuring technique metal layer applied to the insulating plate 11 manufactured.
  • the one on the Underside of the plate 11 structured metal lamination can also be protected by another protective plastic layer be covered.
  • the in Figures 1 and 2 as Patch elements 12 shown in small rectangles have a Substructure, which is explained in more detail below with reference to FIG. 3 becomes.
  • the antenna arrangement 10 has a second insulating one Plate 13 on the top (see Fig. 1) a first Excitation system 14 is applied, which by structuring a metal layer applied to the plate 13 is made.
  • the first excitation system 14 comprises excitation elements with first feed lines 15, each a feed line 15 is assigned to a patch element 12. The first feed lines 15 are thus to the patch elements 12 is oriented to signals of a first polarization direction are adjusted.
  • the antenna arrangement 10 also has a third insulating one Plate 16 on the underside (see Fig. 2) a second excitation system 17 is formed in a similar manner is how the excitation system 14 on top of the insulating plate 13.
  • the second excitation system 17 includes second excitation elements with feed lines 18, wherein one feed line 18 is assigned to each patch element 12 is.
  • the excitation elements 18 of the second excitation system 17 are oriented so that they are based on signals of a polarization direction are adapted to the direction of polarization of the first excitation system 14 is orthogonal.
  • the orientation of the feed lines in relation to the Patch elements are explained in more detail below with reference to FIG. 4 described.
  • the orientations of the excitation systems of the isolating Plates 13 and 16 are interchanged can.
  • the structured metal layers can also be applied the insulating plates 11, 13 and 16 also on the respective opposite surface to be applied.
  • Finally in preferred embodiments are those on the surface of the insulating plates 13 and 16 applied structured Metallic layers each with a further insulating and protective plastic layer covered. Is too it is possible to connect only one feed line to each patch element 12, either in the excitation system 14 or in the excitation system 17, assign, with neighboring patch elements alternating assigned first feed lines 15 and second feed lines 18 become.
  • the excitation systems 14 and 17 contain in addition to the feed lines 15 and 18 supply systems, all Excitation elements with an output connection of the antenna arrangement Pair 10.
  • All Excitation elements with an output connection of the antenna arrangement Pair 10.
  • the antenna arrangement 10 also has a conductive Ground plate 19, which on the one hand has a rear shielding function fulfilled, on the other hand falling from above Signals reflected.
  • the metal plate 19 is either as solid metal plate or as a metallization layer on one insulating plate. In alternative embodiments the metal plate can also have a fine lattice structure have, the grid spacing well below the wavelength.
  • the second and third insulating plate including the metallization levels of the first excitation system 14, the layer 20 and the second Excitation system 17 can form a multilayer plate, for example, from a three-layer circuit board base material is made.
  • the metallization layer 20 has 12 cross slots in association with each patch element 21 on.
  • the cross slots 21 each consist of an in a first direction trained slot that is just behind a first feed line 15 is arranged and one slot formed in a second direction, the congruent is arranged in front of a feed line 18.
  • the length of the Slits depend on the resonance frequency and the dimensioning from the feed lines; the width of the cross slots 21 is on the strip conductors of the feed lines 15 and 18 respectively coordinated, taking into account the dimensioning of the cross slots the distances of the metallization levels from one another and the Properties of the dielectric materials are incorporated.
  • the Ground-metalization level arranged between the excitation systems 14 and 17 20 minimizes any electromagnetic Coupling outside the feed lines 15 and 18. Due the mutually orthogonal directions of the two Cross slit-forming slots and their congruent assignment cross-polarization decoupling becomes the excitation systems elevated.
  • an alternative or additional shielding metal layer with slots arranged between the patch elements and the excitation systems his.
  • An insulating layer 22 is arranged between the first insulating plate 11 and the second insulating plate 13.
  • the insulating layer is relatively thick in comparison to the insulating plates 11, 13 and 16 and consists of a material with a relative dielectric constant ⁇ r of less than 1.2. Such a material is, for example, a foamed plastic with a 5-fold or a higher foaming rate.
  • the insulating layer 22 not only serves for the electrical insulation between the patch elements 12 and the excitation system 14, it also creates a spacing between the patch elements and the excitation systems that lead to an increase in bandwidth.
  • a similar insulating layer 23 is arranged between the insulating plate 16 carrying the second excitation system 17 and the ground plate 19. Layer 23 preferably consists of the same material as layer 22. The layer thickness of layer 23 also influences the bandwidth and the cross-polarization decoupling.
  • the antenna assembly 10 is constructed by the ground plate 19, the insulating layer 23, the insulating Plates 16 and 13, the insulating layer 22 and the insulating Plate 11 stacked on top of each other and with the help of Screws or bolts are firmly connected.
  • the Screws or bolts are passed through holes, which are preferably in the edge area or outside the excitation systems 20 and 21 are introduced.
  • the so made Layer structure can be built into a weather protection housing to equip the antenna for outdoor use.
  • the received signals are decoupled for each Excitation system separated by means of electromagnetic Coupling via a centrally on the back of the antenna layer structure applied and electrical to the ground plate 19 connected waveguide to a down converter.
  • the converted useful signals are then via coaxial cables forwarded to the corresponding receiving system.
  • the layers shown in Figures 1 and 2 are flat alternative embodiments, it is possible Form layers as curved surfaces.
  • the layers can each have a cylindrical structure exhibit.
  • the mutual overlap of the patch elements, however, the feed lines and the cross slots must be guaranteed stay, i.e. the radius of curvature of the curved Area is much larger than the total thickness of the Layer structure.
  • FIG. 3 shows the substructure of the invention Patch elements.
  • the patch element 12 essentially has one rectangular contour.
  • Parallel to the outer edges 24A, 24B, 25A and 25B are rectangular recesses 26 in the form of a matrix arranged in rows and columns. Further exceptions 27 are arranged on the peripheral edge of the patch element 12, that a meandering outer contour is created.
  • the remaining metal layer of the Patch elements 12 from a plurality of elements running in a first direction Strip lines 28 and more in one first direction orthogonal second direction second strip lines 29 are formed.
  • the patch element 12 of six to each other strip lines 28 and 29 running at right angles educated The six strip lines 28 are the same Width, the width b1; the six transverse to it Strip lines 29 have the width b2.
  • the distance a1 between the strip lines 28 corresponds to the width of the Recesses 26 in the second direction; the distance a2 between the strip lines 29 corresponds to the width of the Recesses 26 in the first direction.
  • the respective outer Strip lines 28 are opposite the outer edges 25A and 25B indented the rectangular contour of the patch element 12, as well as the strip lines 29 located on the outside are indented in relation to the outer contour 24A and 24B. Thereby recesses 27 are formed along the outer contour.
  • the lattice-shaped structure shown in Figure 3 can in a metallization level, for example by etching out the recesses 26 and 27 may be formed.
  • this structure by means of two superimposed and successively produced metal layers are produced, the striplines in the first metal layer 28 and the strip lines 29 in the second metal layer are trained. In the latter case, the strip lines are 28 and 29 on the surface of their mutual overlap electrically connected to each other.
  • the preferred embodiment shown in Figure 3 has six strip lines 28 and 29, respectively. Such a number has been in the frequency range from 10.7 to 12.75 GHz in the constructive shown in Figures 1 and 2 Design proved to be advantageous.
  • the number, The spacing and width of the strip lines 28 and 29 depend of the frequency range and of the layer structure, in particular from the mutual distance of the individual shown in Figure 1 Layers and the dielectric constant of the Layers, ab. In alternative embodiments more or fewer strip lines can also be used.
  • An embodiment of the patch element 12 is also conceivable of the recesses 26 and 27 circular boundaries exhibit. A non-equidistant arrangement of the Recesses can be selected.
  • FIG. 4 shows the assignment of the feed lines 15 and 18 to the patch elements 12.
  • Both the feed lines 18 as well as the feed lines 15 run among the associated Patch elements 12 in the middle, so that the feed lines 18 emerge from the patch element 12 at a point V, where V is the center of a side edge of the rectangular Patch elements 12 is.
  • the arrangement shown in patch elements couple the two Excitation systems 17 and 14 mutually orthogonally linearly polarized Signal components.
  • Figure 5 shows the current distribution in a rectangular Patch element 12 that results when the patch element 12 applied with a linearly polarized signal whose direction of polarization is parallel to the direction of lateral boundaries 25A and 25B.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
EP99123247A 1998-11-30 1999-11-29 Agencement d'antenne à couches multiples Expired - Lifetime EP1006608B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19855115A DE19855115A1 (de) 1998-11-30 1998-11-30 Mehrlagige Antennenanordnung
DE19855115 1998-11-30

Publications (3)

Publication Number Publication Date
EP1006608A2 true EP1006608A2 (fr) 2000-06-07
EP1006608A3 EP1006608A3 (fr) 2001-06-13
EP1006608B1 EP1006608B1 (fr) 2004-05-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99123247A Expired - Lifetime EP1006608B1 (fr) 1998-11-30 1999-11-29 Agencement d'antenne à couches multiples

Country Status (3)

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EP (1) EP1006608B1 (fr)
AT (1) ATE267471T1 (fr)
DE (2) DE19855115A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1160917A1 (fr) * 2000-05-31 2001-12-05 Lucent Technologies Inc. Structure d'antenne pour structures électromagnétiques
WO2005008833A1 (fr) * 2003-07-16 2005-01-27 Huber + Suhner Ag Antenne a plaques en microruban a double polarisation
WO2012110366A1 (fr) 2011-02-17 2012-08-23 Huber+Suhner Ag Antenne réseau

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052748A1 (de) * 2000-10-25 2002-05-29 Technisat Elektronik Thueringe Planarantenne mit verbesserter Richtcharakteristik
DE102005010895B4 (de) * 2005-03-09 2007-02-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aperturgekoppelte Antenne
DE102005010894B4 (de) 2005-03-09 2008-06-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Planare Mehrbandantenne
DE112009005121B4 (de) * 2009-08-06 2018-07-05 Indian Space Research Organisation Of Isro Gedruckte, quasi-konische Streifenwendel-Arrayantenne

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342175A2 (fr) * 1988-05-10 1989-11-15 COMSAT Corporation Antenne circuit imprimé à double polarisation dont les éléments, incluant des éléments circuit imprimé en grille, sont couplés capacitivement aux lignes d'alimentation
US5241321A (en) * 1992-05-15 1993-08-31 Space Systems/Loral, Inc. Dual frequency circularly polarized microwave antenna

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4263598A (en) * 1978-11-22 1981-04-21 Motorola, Inc. Dual polarized image antenna
JPS6365703A (ja) * 1986-09-05 1988-03-24 Matsushita Electric Works Ltd 平面アンテナ
JPH01297905A (ja) * 1988-05-26 1989-12-01 Matsushita Electric Works Ltd 平面アンテナ
GB2256530B (en) * 1991-04-24 1995-08-09 Matsushita Electric Works Ltd Planar antenna
DE4239597C2 (de) * 1991-11-26 1999-11-04 Hitachi Chemical Co Ltd Ebene Antenne mit dualer Polarisation
JP3239435B2 (ja) * 1992-04-24 2001-12-17 ソニー株式会社 平面アンテナ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0342175A2 (fr) * 1988-05-10 1989-11-15 COMSAT Corporation Antenne circuit imprimé à double polarisation dont les éléments, incluant des éléments circuit imprimé en grille, sont couplés capacitivement aux lignes d'alimentation
US5241321A (en) * 1992-05-15 1993-08-31 Space Systems/Loral, Inc. Dual frequency circularly polarized microwave antenna

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HABIB L ET AL: "CROSS-SHAPED PATCH WITH ETCHED BARS FOR DUAL POLARISATION" ELECTRONICS LETTERS,GB,IEE STEVENAGE, Bd. 29, Nr. 10, 13. Mai 1993 (1993-05-13), Seiten 916-918, XP000367671 ISSN: 0013-5194 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1160917A1 (fr) * 2000-05-31 2001-12-05 Lucent Technologies Inc. Structure d'antenne pour structures électromagnétiques
WO2005008833A1 (fr) * 2003-07-16 2005-01-27 Huber + Suhner Ag Antenne a plaques en microruban a double polarisation
US7327317B2 (en) 2003-07-16 2008-02-05 Huber + Suhner Ag Dual-polarized microstrip patch antenna
WO2012110366A1 (fr) 2011-02-17 2012-08-23 Huber+Suhner Ag Antenne réseau
US9640870B2 (en) 2011-02-17 2017-05-02 Huber+Suhner Ag Array antenna

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Publication number Publication date
DE59909519D1 (de) 2004-06-24
ATE267471T1 (de) 2004-06-15
EP1006608A3 (fr) 2001-06-13
EP1006608B1 (fr) 2004-05-19
DE19855115A1 (de) 2000-06-08

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