EP0239069A1 - Printed-circuit antenna array - Google Patents

Printed-circuit antenna array Download PDF

Info

Publication number
EP0239069A1
EP0239069A1 EP87104301A EP87104301A EP0239069A1 EP 0239069 A1 EP0239069 A1 EP 0239069A1 EP 87104301 A EP87104301 A EP 87104301A EP 87104301 A EP87104301 A EP 87104301A EP 0239069 A1 EP0239069 A1 EP 0239069A1
Authority
EP
European Patent Office
Prior art keywords
printed circuit
face
front structure
antenna according
antenna
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
EP87104301A
Other languages
German (de)
French (fr)
Other versions
EP0239069B1 (en
Inventor
Lazare Argentaru
Eric C/O Alcatel Thomson Leroux
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.)
Alcatel Transmission par Faisceaux Hertziens SA
Original Assignee
Alcatel Thomson Faisceaux Hertziens SA
Alcatel Transmission par Faisceaux Hertziens SA
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 Alcatel Thomson Faisceaux Hertziens SA, Alcatel Transmission par Faisceaux Hertziens SA filed Critical Alcatel Thomson Faisceaux Hertziens SA
Publication of EP0239069A1 publication Critical patent/EP0239069A1/en
Application granted granted Critical
Publication of EP0239069B1 publication Critical patent/EP0239069B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0075—Stripline fed 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
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials

Definitions

  • the present invention relates to a network antenna on a printed circuit.
  • a network antenna on a printed circuit is presented as a plate, made up of one or more superposed printed circuits, one of which has radiating dipoles on its faces, and on the other face an energy distribution shaft.
  • These printed circuit boards have a surface area substantially equivalent to the parabolic antennas of equivalent gain and must be rigidly held by a rear structure.
  • This rear structure prevents "deviations” and deformations due to wind and gravity, it requires an interface with the printed circuit.
  • the object of the invention is to lighten or even eliminate this rear structure by stiffening the antenna by a front plate with radiating openings.
  • the invention proposes for this purpose an array antenna on a printed circuit, of elongated shape, comprising at least one printed circuit, this first printed circuit consisting of a substrate on which radiating elements are arranged on a first face, a shaft of distribution of energy on a second face, and a front structure of elongated shape, superimposed on the first face of this printed circuit, this front structure consisting of a substrate pierced with radiating openings arranged facing the radiating elements of this circuit printed, characterized in that the substrate which constitutes the front structure is at least metallized on the surface and in that traps, made up of annular grooves, are placed around the outer ends of the openings drilled in the front structure.
  • the invention comprises a second circuit which is superimposed by its first face on the second face of the first printed circuit, a ground plane being arranged on the second face of this second printed circuit.
  • the proposed solution makes it possible to limit the couplings between radiating elements, a drawback that is encountered on conventional network antennas.
  • this structure makes it possible to place traps around the openings.
  • the front structure has the advantage of protecting the antenna from mechanical shock (projectiles, transport, etc.) and makes it possible to tension a flexible radome without difficulty.
  • the known art network antenna represented in FIG. 1, is in the form of a plate made up of a first 10 and a second 11 superposed printed circuits, the first having on one of its faces of the radiating dipoles 12 and on the other a power distribution shaft 13 which makes it possible to supply these dipoles by bushings 14 to allow these dipoles 12 to emit radioelectric radiation and the second having on its second face, which is external, a ground plane 15.
  • the size of the radiating dipoles 12, of the energy distribution shaft 13, and of the ground plane 15 have been voluntarily increased for the clarity of the drawing, but they are simple metallic deposits.
  • this antenna has a rear structure 16 which makes it possible to stiffen it.
  • the network antenna according to the invention also includes two printed circuits 10, 11 as described above, but the rear structure 16 has been lightened.
  • This antenna further comprises a front structure 20 consisting of a metal plate, pierced with openings 21 of conical shapes, superimposed on the first face of the first printed circuit 10, each opening 21, of direction perpendicular to the surface of this first circuit printed 10, facing a radiating element 12.
  • FIG. 2 has been shown a radome 22 which protects the antenna in bad weather.
  • the front structure 20 as shown in front view and in section in FIGS. 3 and 4, makes it possible to stiffen the antenna, and to vary the radiation pattern of the antenna, using different opening directions.
  • FIG. 5 represents a variant of the invention in which the radiating elements consist of a patch 23 disposed at the end of a small rod 24, which makes it possible to modify the radiation diagram of this antenna.
  • FIG. 6 which represents an antenna of structure similar to that of FIG. 2, annular grooves 30 have been drilled in the metal plate, which composes the front structure 20, around the outer ends of the openings 21 to form traps which allow symmetrization of the radiation diagram.
  • the antenna according to the invention can be used for example in a frequency range from 1 GHz to more than 20 GHz. The higher the frequency, the closer the radiating elements and the more the thickness of the front structure decreases.
  • the front structure 20 can consist for example of a plastic substrate whose surfaces have been metallized.
  • the rear structure 16 is no longer compulsory, because the antenna can be fixed using the front structure 20.
  • the radiating elements can be, as shown in FIG. 2, radiating dipoles 12 linked to the distribution shaft 13 by the printed circuit. But it can also be small antennas, linked to the distribution shaft by the printed circuit, or any other form of radiating elements.
  • the radiating openings 21 can take shapes other than conical, for example cylindrical shapes, the dimensions of which will depend on the frequency and the desired gain and the axis of each opening can be oriented at will relative to the direction normal to the plate supporting the radiating elements, in order to conform the antenna lobe as desired. These openings can be arranged with respect to each other in a manner different from that shown in FIG. 3. In fact their position depends on that of the radiating elements on the first printed circuit.
  • the antenna of the invention has been shown in the form of a plate, but it can have any shape: cylindrical, conical, and even a variable thickness, allowing it to adapt to any existing structure.

Abstract

Antenne réseau sur circuit imprimé de forme allongée, comprenant au moins un circuit imprimé (10), ce premier circuit imprimé (10) étant constitué d'un substrat sur lequel sont disposés des éléments rayon­nants (12) sur une première face, et un arbre de distribution d'energie (13) sur une deuxieme face.
Elle comprend une structure avant (20) de forme allongée, superposée sur la première face de ce circuit imprimé (10) ; cette structure avant étant constituée d'un substrat percé d'ouvertures (21) rayon­nantes disposées en regard des éléments rayonnants (12) de ce circuit imprimé.Network antenna on an elongated printed circuit, comprising at least one printed circuit (10), this first printed circuit (10) consisting of a substrate on which radiating elements (12) are arranged on a first face, and a shaft energy distribution (13) on a second face.
It comprises a front structure (20) of elongated shape, superimposed on the first face of this printed circuit (10); this front structure consisting of a substrate pierced with radiating openings (21) arranged opposite the radiating elements (12) of this printed circuit.

Application aux antennes réseaux.

Figure imgaf001
Application to network antennas.
Figure imgaf001

Description

La présente invention se rapporte à une antenne réseau sur cir­cuit imprimé.The present invention relates to a network antenna on a printed circuit.

Une antenne réseau sur circuit imprimé se présente comme une plaque, constituée d'un ou plusieurs circuits imprimés superposés, dont l'un a sur de ses faces des dipoles rayonnants, et sur l'autre face un arbre de distribution de l'énergie.A network antenna on a printed circuit is presented as a plate, made up of one or more superposed printed circuits, one of which has radiating dipoles on its faces, and on the other face an energy distribution shaft.

Ces plaques de circuit imprimé ont une surface sensiblement équivalente aux antennes paraboliques de gain équivalent et doivent être maintenues rigidement par une structure arrière.These printed circuit boards have a surface area substantially equivalent to the parabolic antennas of equivalent gain and must be rigidly held by a rear structure.

Cette structure arrière empêche les "dépointages" et déforma­tions dues au vent et à la gravité, elle nécessite une interface avec le circuit imprimé.This rear structure prevents "deviations" and deformations due to wind and gravity, it requires an interface with the printed circuit.

L'invention a pour objet d'alléger ou même de supprimer cette structure arrière en rigidifiant l'antenne par une plaque avant à ouvertures rayonnantes.The object of the invention is to lighten or even eliminate this rear structure by stiffening the antenna by a front plate with radiating openings.

L'invention propose à cet effet une antenne réseau sur circuit imprimé, de forme allongée, comprenant au moins un circuit imprimé, ce premier circuit imprimé étant constitué d'un substrat sur lequel sont disposés des éléments rayonnants sur une première face, un arbre de distribution d'énergie sur une deuxième face, et une structure avant de forme allongée, superposée sur la première face de ce circuit impri­mé, cette structure avant étant constituée d'un substrat percé d'ouvertures rayonnantes disposées en regard des éléments rayonnants de ce circuit imprimé, caractérisé en ce que le substrat qui constitue la structure avant est au moins métallisée en surface et en ce que des pièges, constitués de gorges de forme annulaires, sont disposés autour des extrémités extérieures des ouvertures percées dans la structure avant.The invention proposes for this purpose an array antenna on a printed circuit, of elongated shape, comprising at least one printed circuit, this first printed circuit consisting of a substrate on which radiating elements are arranged on a first face, a shaft of distribution of energy on a second face, and a front structure of elongated shape, superimposed on the first face of this printed circuit, this front structure consisting of a substrate pierced with radiating openings arranged facing the radiating elements of this circuit printed, characterized in that the substrate which constitutes the front structure is at least metallized on the surface and in that traps, made up of annular grooves, are placed around the outer ends of the openings drilled in the front structure.

Avantageusement l'invention comporte un deuxième circuit qui est superposé par sa première face sur la deuxième face du premier circuit imprimé, un plan de masse étant disposé sur la deuxième face de ce deuxième circuit imprimé.Advantageously, the invention comprises a second circuit which is superimposed by its first face on the second face of the first printed circuit, a ground plane being arranged on the second face of this second printed circuit.

La solution proposée permet de limiter les couplages entre élé­ments rayonnants, inconvénient que l'on rencontre sur les antennes réseaux classiques. De plus cette structure permet de placer des pièges autour des ouvertures.The proposed solution makes it possible to limit the couplings between radiating elements, a drawback that is encountered on conventional network antennas. In addition, this structure makes it possible to place traps around the openings.

Par ailleurs la structure avant a l'avantage de protéger l'antenne des chocs mécaniques (projectiles, transports etc...) et permet de tendre sans difficulté un radôme souple.Furthermore, the front structure has the advantage of protecting the antenna from mechanical shock (projectiles, transport, etc.) and makes it possible to tension a flexible radome without difficulty.

De plus il n'y a plus de problème de positionnement mécanique des éléments constitutifs entre eux, on peut faire épouser à ce nouveau type d'antenne la forme que l'on veut, ce qui permet de l'intégrer facilement à une structure préexistante.In addition there is no longer a problem of mechanical positioning of the constituent elements between them, we can have this new type of antenna conform to the shape we want, which allows it to be easily integrated into a pre-existing structure. .

Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui va suivre, à titre d'exemple non limi­tatif, en références aux dessins annexés sur lesquels :

  • - la figure 1 illustre une antenne réseau de l'art connu,
  • - la figure 2 illustre une antenne réseau selon l'invention,
  • - les figures 3 et 4 illustrent une vue de dessus et une vue en coupe selon le plan IV-IV d'une structure avant selon l'invention,
  • - la figure 5 illustre une première variante d'antenne réseau selon l'invention,
  • - la figure 6 illustre une seconde variante d'antenne réseau selon l'invention.
The characteristics and advantages of the invention will become apparent from the description which follows, by way of nonlimiting example, with reference to the appended drawings in which:
  • FIG. 1 illustrates a network antenna of the known art,
  • FIG. 2 illustrates a network antenna according to the invention,
  • FIGS. 3 and 4 illustrate a top view and a sectional view along the plane IV-IV of a front structure according to the invention,
  • FIG. 5 illustrates a first variant of the network antenna according to the invention,
  • - Figure 6 illustrates a second variant of network antenna according to the invention.

L'antenne réseau de l'art connu, représentée à la figure 1, se présente sous la forme d'une plaque constituée d'un premier 10 et d'un second 11 circuits imprimés superposés, le premier ayant sur l'une de ses faces des dipoles rayonnants 12 et sur l'autre un arbre 13 de distribution d'énergie qui permet d'alimenter ces dipoles par des traversées 14 pour permettre à ces dipoles 12 d'émettre une radiation radioélectrique et le second ayant sur sa deuxième face, qui est exté­rieure, un plan de masse 15.The known art network antenna, represented in FIG. 1, is in the form of a plate made up of a first 10 and a second 11 superposed printed circuits, the first having on one of its faces of the radiating dipoles 12 and on the other a power distribution shaft 13 which makes it possible to supply these dipoles by bushings 14 to allow these dipoles 12 to emit radioelectric radiation and the second having on its second face, which is external, a ground plane 15.

La dimension des dipoles rayonnants 12, de l'arbre de distribution d'énergie 13, et du plan de masse 15 ont été volontairement augmentées pour la clarté du dessin, mais ce sont de simples dépôts métalliques.The size of the radiating dipoles 12, of the energy distribution shaft 13, and of the ground plane 15 have been voluntarily increased for the clarity of the drawing, but they are simple metallic deposits.

Pour pallier à la fragilité d'un tel ensemble, cette antenne comporte une structure arrière 16 qui permet de la rigidifier.To overcome the fragility of such an assembly, this antenna has a rear structure 16 which makes it possible to stiffen it.

L'antenne réseau selon l'invention, représentée à la figure 2, comprend elle-aussi deux circuits imprimés 10, 11 tels que décrits précédemment, mais la structure arrière 16 a été allégée. Cette antenne comporte de plus une structure avant 20 constituée d'une plaque métallique, percée d'ouvertures 21 de formes coniques, superposée à la première face du premier circuit imprimé 10, chaque ouverture 21, de direction perpendiculaire à la surface de ce premier circuit imprimé 10, étant en regard d'un élément rayonnant 12.The network antenna according to the invention, represented in FIG. 2, also includes two printed circuits 10, 11 as described above, but the rear structure 16 has been lightened. This antenna further comprises a front structure 20 consisting of a metal plate, pierced with openings 21 of conical shapes, superimposed on the first face of the first printed circuit 10, each opening 21, of direction perpendicular to the surface of this first circuit printed 10, facing a radiating element 12.

Sur la figure 2 à été représenté un radôme 22 qui permet de protéger l'antenne en cas d'intempéries.In Figure 2 has been shown a radome 22 which protects the antenna in bad weather.

La structure avant 20, telle que représentée en vue de face et en coupe aux figures 3 et 4, permet de rigidifier l'antenne, et de faire varier le diagramme de rayonnement de l'antenne, en utilisant des directions d'ouvertures différentes.The front structure 20, as shown in front view and in section in FIGS. 3 and 4, makes it possible to stiffen the antenna, and to vary the radiation pattern of the antenna, using different opening directions.

La figure 5 représente une variante de l'invention sur laquelle, les éléments rayonnants sont constitués d'une pastille 23 disposée au bout d'une petite tige 24, ce qui permet de modifier le diagramme de rayonnement de cette antenne.FIG. 5 represents a variant of the invention in which the radiating elements consist of a patch 23 disposed at the end of a small rod 24, which makes it possible to modify the radiation diagram of this antenna.

Sur la figure 6, qui représente une antenne de structure analo­gue à celle de la figure 2, des gorges annulaires 30 ont été percées dans la plaque métallique, qui compose la structure avant 20, autour des extrémités extérieures des ouvertures 21 pour former des pièges qui permettent de symétriser le diagramme de rayonnement.In FIG. 6, which represents an antenna of structure similar to that of FIG. 2, annular grooves 30 have been drilled in the metal plate, which composes the front structure 20, around the outer ends of the openings 21 to form traps which allow symmetrization of the radiation diagram.

L'antenne selon l'invention peut être utilisée par exemple dans une gamme de fréquences allant de 1GHz à plus de 20 GHz. Plus la fré­quence est élevée plus les éléments rayonnants sont proches et plus l'épaisseur de la structure avant diminue.The antenna according to the invention can be used for example in a frequency range from 1 GHz to more than 20 GHz. The higher the frequency, the closer the radiating elements and the more the thickness of the front structure decreases.

Il est bien entendu que la présente invention n'a été décrite et représentée qu'à titre d'exemple préférentiel et que l'on pourra rem­placer ses éléments constitutifs par des éléments équivalents sans pour autant sortir du cadre de l'invention.It is understood that the present invention has only been described and shown as a preferred example and that its constituent elements can be replaced by equivalent elements without departing from the scope of the invention.

Ainsi la structure avant 20 peut être constituée par exemple d'un substrat en plastique dont les surfaces ont été métallisées.Thus the front structure 20 can consist for example of a plastic substrate whose surfaces have been metallized.

Ainsi la structure arrière 16 n'est plus obligatoire, car la fixation de l'antenne peut être réalisée grâce à la structure avant 20.Thus, the rear structure 16 is no longer compulsory, because the antenna can be fixed using the front structure 20.

De plus les éléments rayonnants peuvent être, comme représenté sur la figure 2, des dipoles rayonnants 12 liés à l'arbre de distribution 13 par le circuit imprimé. Mais ce peut être aussi de petites antennes, liées à l'arbre de distribution par le circuit imprimé, ou toute autre forme d'éléments rayonnants.
Les ouvertures rayonnantes 21 peuvent prendre des formes autres que coniques, par exemple des formes cylindriques, dont les dimensions seront fonction de la fréquence et du gain désiré et l'axe de chaque ouverture peut être orienté à volonté par rapport à la direction normale à la plaque supportant les éléments rayonnants, afin de conformer à volonté le lobe de l'antenne. Ces ouvertures peuvent être disposées les unes par rapport aux autres d'une manière différente à celle représentée à la figure 3. En effet leur position dépend de celle des éléments rayonnants sur le premier circuit imprimé.In addition, the radiating elements can be, as shown in FIG. 2, radiating dipoles 12 linked to the distribution shaft 13 by the printed circuit. But it can also be small antennas, linked to the distribution shaft by the printed circuit, or any other form of radiating elements.
The radiating openings 21 can take shapes other than conical, for example cylindrical shapes, the dimensions of which will depend on the frequency and the desired gain and the axis of each opening can be oriented at will relative to the direction normal to the plate supporting the radiating elements, in order to conform the antenna lobe as desired. These openings can be arranged with respect to each other in a manner different from that shown in FIG. 3. In fact their position depends on that of the radiating elements on the first printed circuit.

L'antenne de l'invention a été représentée sous la forme d'une plaque, mais elle peut avoir une forme quelconque : cylindrique, conique, et même une épaisseur variable, lui permettant de s'adapter à toute structure existante.The antenna of the invention has been shown in the form of a plate, but it can have any shape: cylindrical, conical, and even a variable thickness, allowing it to adapt to any existing structure.

Claims (9)

1/ Antenne réseau sur circuit imprimé, de forme allongée, comprenant au moins un circuit imprimé (10), ce premier circuit imprimé (10) étant constitué d'un substrat sur lequel sont disposés des éléments rayonnants (12) sur une première face, un arbre de distribution d'énergie (13) sur une deuxième face, et une structure avant (20) de forme allongée, superposée sur la première face de ce circuit impri­mé (10), cette structure avant (20) étant constituée d'un substrat percé d'ouvertures (21) rayonnantes disposées en regard des éléments rayonnants (12) de ce circuit imprimé, caractérisé en ce que le substrat qui constitue la structure avant (20) est au moins métallisée en surface et en ce que des pièges, constitués de gorges (30) de forme annulaires, sont disposés autour des extrémités extérieures des ouver­tures (21) percées dans la structure avant (20).1 / Network antenna on printed circuit, of elongated shape, comprising at least one printed circuit (10), this first printed circuit (10) consisting of a substrate on which radiating elements (12) are arranged on a first face, an energy distribution shaft (13) on a second face, and a front structure (20) of elongated shape, superimposed on the first face of this printed circuit (10), this front structure (20) consisting of a substrate pierced with radiating openings (21) disposed opposite the radiating elements (12) of this printed circuit, characterized in that the substrate which constitutes the front structure (20) is at least metallized on the surface and in that traps, consisting of grooves (30) of annular shape, are arranged around the outer ends of the openings (21) drilled in the front structure (20). 2/ Antenne selon la revendication 1, caractérisée en ce que un deuxième circuit (11) est superposé par sa première face sur la deuxième face du premier circuit imprimé (10), un plan de masse (15) étant disposé sur la deuxième face de ce deuxième circuit imprimé (11).2 / antenna according to claim 1, characterized in that a second circuit (11) is superimposed by its first face on the second face of the first printed circuit (10), a ground plane (15) being disposed on the second face of this second printed circuit (11). 3/ Antenne selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que elle comprend une structure arrière (16) allégée.3 / An antenna according to any one of claims 1 or 2, characterized in that it comprises a rear structure (16) lightened. 4/ Antenne selon l'une quelconque des revendications 1 à 3, caractéri­sée en ce que le substrat qui constitue la structure avant (20) est métallique.4 / Antenna according to any one of claims 1 to 3, characterized in that the substrate which constitutes the front structure (20) is metallic. 5/ Antenne selon l'une quelconque des revendications précédentes, caractérisée en ce que la structure avant (20) est percée d'ouvertures (21) de forme conique.5 / An antenna according to any one of the preceding claims, characterized in that the front structure (20) is pierced with openings (21) of conical shape. 6/ Antenne selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la structure avant (20) est percée d'ouvertures (21) de forme cylindrique.6 / An antenna according to any one of claims 1 to 5, characterized in that the front structure (20) is pierced with openings (21) of cylindrical shape. 7/ Antenne selon l'une quelconque des revendications précédentes, caractérisée en ce que chaque élément rayonnant (12) est constitué d'une pastille (23) disposée du bout d'une petite tige (24).7 / antenna according to any one of the preceding claims, characterized in that each radiating element (12) consists of a patch (23) disposed at the end of a small rod (24). 8/ Antenne selon l'une quelconque des revendications précédentes, ca­ ractérisée en ce que chaque ouverture rayonnante à son axe orienté par rapport à la direction normale à la plaque supportant les éléments rayonnants, afin de conformer à volonté le lobe de ladite antenne.8 / An antenna according to any one of the preceding claims, ca characterized in that each radiating opening with its axis oriented with respect to the direction normal to the plate supporting the radiating elements, in order to conform as desired the lobe of said antenna. 9/ Antenne selon l'une des revendications précédentes caractérisé en ce qu'elle a une forme quelconque adaptable à toute structure existante.9 / Antenna according to one of the preceding claims characterized in that it has any shape adaptable to any existing structure.
EP87104301A 1986-03-26 1987-03-24 Printed-circuit antenna array Expired - Lifetime EP0239069B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8604392A FR2596585B1 (en) 1986-03-26 1986-03-26 NETWORK ANTENNA ON PRINTED CIRCUIT
FR8604392 1986-03-26

Publications (2)

Publication Number Publication Date
EP0239069A1 true EP0239069A1 (en) 1987-09-30
EP0239069B1 EP0239069B1 (en) 1990-06-20

Family

ID=9333593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104301A Expired - Lifetime EP0239069B1 (en) 1986-03-26 1987-03-24 Printed-circuit antenna array

Country Status (5)

Country Link
US (1) US4819004A (en)
EP (1) EP0239069B1 (en)
CA (1) CA1260610A (en)
DE (1) DE3763350D1 (en)
FR (1) FR2596585B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383597A2 (en) * 1989-02-15 1990-08-22 Sharp Kabushiki Kaisha Planar antenna

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023624A (en) * 1988-10-26 1991-06-11 Harris Corporation Microwave chip carrier package having cover-mounted antenna element
US5237334A (en) * 1989-06-29 1993-08-17 Waters William M Focal plane antenna array for millimeter waves
JPH0693569B2 (en) * 1989-09-26 1994-11-16 ユピテル工業株式会社 Microwave detector
US5208602A (en) * 1990-03-12 1993-05-04 Raytheon Company Cavity backed dipole antenna
US5218373A (en) * 1990-10-01 1993-06-08 Harris Corporation Hermetically sealed waffle-wall configured assembly including sidewall and cover radiating elements and a base-sealed waveguide window
US6384785B1 (en) * 1995-05-29 2002-05-07 Nippon Telegraph And Telephone Corporation Heterogeneous multi-lamination microstrip antenna
US5815120A (en) * 1996-02-28 1998-09-29 International Business Machines Corporation Radio frequency local area network adapter card structure and method of manufacture
US6052889A (en) * 1996-11-21 2000-04-25 Raytheon Company Radio frequency antenna and its fabrication
US6278407B1 (en) * 1998-02-24 2001-08-21 Topcon Positioning Systems, Inc. Dual-frequency choke-ring ground planes
US7009571B2 (en) * 2003-05-12 2006-03-07 Bwa Technology, Inc. Method and apparatus for forming symmetrical energy patterns in beam forming antennas
DE10322803A1 (en) * 2003-05-19 2004-12-23 Otto-Von-Guericke-Universität Magdeburg Microstrip- or patch antenna for modern high capacity communication systems, comprises radiator with resonant cavity at rear and miniature horn surrounding it
US7444734B2 (en) * 2003-12-09 2008-11-04 International Business Machines Corporation Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate
US7586410B2 (en) * 2006-03-09 2009-09-08 Zih Corp. RFID UHF stripline coupler
TWI381578B (en) * 2008-01-16 2013-01-01 Quanta Comp Inc Small antenna
WO2011008558A1 (en) * 2009-06-29 2011-01-20 Viasat, Inc. Hybrid single aperture inclined antenna
US8564492B2 (en) * 2011-12-02 2013-10-22 Harris Corporation Horn antenna including integrated electronics and associated method
JP2013219723A (en) * 2012-04-12 2013-10-24 Hitachi Cable Ltd Antenna device
US9537209B2 (en) * 2013-05-16 2017-01-03 Space Systems/Loral, Llc Antenna array with reduced mutual coupling between array elements
CN104377450B (en) * 2013-08-15 2016-12-28 清华大学 Waveguide trumpet array and method thereof and antenna system
US10361476B2 (en) * 2015-05-26 2019-07-23 Qualcomm Incorporated Antenna structures for wireless communications
WO2021045267A1 (en) * 2019-09-05 2021-03-11 엘지전자 주식회사 Electronic device including antenna

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208660A (en) * 1977-11-11 1980-06-17 Raytheon Company Radio frequency ring-shaped slot antenna
EP0108463A1 (en) * 1982-11-08 1984-05-16 Laboratoires D'electronique Et De Physique Appliquee L.E.P. Radiating element for cross-polarized microwave signals and planar antenna consisting of an array of such elements
EP0089084B1 (en) * 1982-03-12 1988-03-02 Laboratoires D'electronique Et De Physique Appliquee L.E.P. Flat microwave antenna structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747114A (en) * 1972-02-18 1973-07-17 Textron Inc Planar dipole array mounted on dielectric substrate
DE3023055A1 (en) * 1979-07-12 1981-02-05 Emi Ltd ANTENNA
FR2505097A1 (en) * 1981-05-04 1982-11-05 Labo Electronique Physique RADIATION ELEMENT OR CIRCULAR POLARIZATION HYPERFREQUENCY SIGNAL RECEIVER AND MICROWAVE PLANE ANTENNA COMPRISING A NETWORK OF SUCH ELEMENTS
FR2544920B1 (en) * 1983-04-22 1985-06-14 Labo Electronique Physique MICROWAVE PLANAR ANTENNA WITH A FULLY SUSPENDED SUBSTRATE LINE ARRAY
FR2550892B1 (en) * 1983-08-19 1986-01-24 Labo Electronique Physique WAVEGUIDE ANTENNA OUTPUT FOR A PLANAR MICROWAVE ANTENNA WITH RADIATION OR RECEIVER ELEMENT ARRAY AND MICROWAVE SIGNAL TRANSMISSION OR RECEIVING SYSTEM COMPRISING A PLANAR ANTENNA EQUIPPED WITH SUCH ANTENNA OUTPUT
US4622559A (en) * 1984-04-12 1986-11-11 Canadian Patents & Development Limited Paraboloid reflector antenna feed having a flange with tapered corrugations

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208660A (en) * 1977-11-11 1980-06-17 Raytheon Company Radio frequency ring-shaped slot antenna
EP0089084B1 (en) * 1982-03-12 1988-03-02 Laboratoires D'electronique Et De Physique Appliquee L.E.P. Flat microwave antenna structure
EP0108463A1 (en) * 1982-11-08 1984-05-16 Laboratoires D'electronique Et De Physique Appliquee L.E.P. Radiating element for cross-polarized microwave signals and planar antenna consisting of an array of such elements

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELECTRONICS LETTERS, vol. 18, no. 6, 18 mars 1982, pages 252-253, Londres, GB; E. RAMMOS: "New wideband high-gain stripline planar array for 12 GHz satellite TV" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383597A2 (en) * 1989-02-15 1990-08-22 Sharp Kabushiki Kaisha Planar antenna
EP0383597A3 (en) * 1989-02-15 1991-01-02 Sharp Kabushiki Kaisha Planar antenna

Also Published As

Publication number Publication date
EP0239069B1 (en) 1990-06-20
FR2596585A1 (en) 1987-10-02
CA1260610A (en) 1989-09-26
US4819004A (en) 1989-04-04
DE3763350D1 (en) 1990-07-26
FR2596585B1 (en) 1988-09-16

Similar Documents

Publication Publication Date Title
EP0239069A1 (en) Printed-circuit antenna array
EP0374008B1 (en) Over the whole spherical space electronically scanning antenna with random and reduced three-dimensional distribution of the antenna elements
FR2596206A1 (en) TABLECLOTH ANTENNA
CA2687161C (en) Dual polarization planar emitting element and network antenna comprising such emitting element
EP0886889B1 (en) Wide band printed network antenna
FR2517626A1 (en) ORBITAL SPACE ENGINE, IN PARTICULAR SATELLITE, WITH MULTIPLE MISSIONS
WO2014020016A1 (en) Device for decoupling antennas, in particular patch antennas mounted on an aircraft
EP2079131A1 (en) Improvement of planar antennas comprising at least one radiating element such as a slot with longitudinal radiation
CA2640481C (en) Circularly or linearly polarized antenna
FR2632781A1 (en) FLAT ANTENNA
EP0512487B1 (en) Antenna with shaped lobe and high gain
EP0548876B1 (en) An active offset antenna having two reflectors
FR2794290A1 (en) VERTICAL POLARIZATION ANTENNA
CA2500990A1 (en) 3-d reflector antenna for forming beams in different frequency bands
EP1436197B1 (en) Surface optical reflector, for space craft such as a geostationary satellite
EP2817850A1 (en) Electromagnetic band gap device, use thereof in an antenna device, and method for determining the parameters of the antenna device
EP2432072B1 (en) Wideband balun on a multilayer circuit for a network antenna
EP0887260B1 (en) Satellite with enhanced thermal rejection
WO2012041979A1 (en) Compact high-gain antenna
EP3741003A1 (en) Patch antenna for equipping a spacecraft
EP2763234B1 (en) Antenna system
FR2968848A1 (en) PARABOLIC REFLECTOR ANTENNA
FR2835972A1 (en) REMOVAL OF MUTUAL COUPLING BETWEEN ANTENNA ELEMENTS OF A NETWORK ANTENNA
EP4027455A1 (en) Antenna device on a printed circuit board and method for manufacturing antenna(s) on printed circuit board(s)
FR3084234A1 (en) INTEGRATED CIRCUIT BOARD FOR ALARM SYSTEM CONTROL UNIT

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

Kind code of ref document: A1

Designated state(s): DE FR GB SE

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LEROUX, ERIC C/O ALCATEL THOMSON

Inventor name: ARGENTARU, LAZARE

17P Request for examination filed

Effective date: 19880324

17Q First examination report despatched

Effective date: 19890921

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ALCATEL TRANSMISSION PAR FAISCEAUX HERTZIENS A.T.F

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB SE

REF Corresponds to:

Ref document number: 3763350

Country of ref document: DE

Date of ref document: 19900726

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19931230

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19940127

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19940221

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19940416

Year of fee payment: 8

EAL Se: european patent in force in sweden

Ref document number: 87104301.4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19950324

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19950325

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19950324

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19951130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19951201

EUG Se: european patent has lapsed

Ref document number: 87104301.4

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST