EP1152487A1 - Antenne monolithique à polarisation orthogonale - Google Patents
Antenne monolithique à polarisation orthogonale Download PDFInfo
- Publication number
- EP1152487A1 EP1152487A1 EP01401004A EP01401004A EP1152487A1 EP 1152487 A1 EP1152487 A1 EP 1152487A1 EP 01401004 A EP01401004 A EP 01401004A EP 01401004 A EP01401004 A EP 01401004A EP 1152487 A1 EP1152487 A1 EP 1152487A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- conductive
- dipoles
- antenna according
- branch
- 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
Links
- 230000010287 polarization Effects 0.000 claims description 12
- 238000005388 cross polarization Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/001—Crossed polarisation dual antennas
-
- 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
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
-
- 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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
-
- 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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
Definitions
- the present invention relates to a monolithic polarization antenna crossover, intended in particular for cellular telephony.
- Document FR-A-2 766 626 discloses a cross-polarized antenna having dipoles mounted on a reflector, being two by two orthogonal and thus defining at least one radiating cell with polarization crossed.
- This antenna preferably comprises several radiating cells with cross polarization, which are made identically to each other and arranged in the same alignment along the reflector.
- each of the dipoles are identical. They have the shape of a Vé and are mounted back to back, the bases of the Vés being opposite. Each of them has an integral jamb to the reflector and provided with two end lateral arms opposite the reflector. he is advantageously made in one piece in the form of a plate suitably cut and then folded into a Vee.
- two dipoles are arranged orthogonally to each other by having the two conductive elements of one inserted between the two conductive elements of the other dipole, to thus define one of the radiating cells with cross polarization which constitutes a compact and robust radiant module.
- This known antenna also includes a power supply system. its radiating cells with cross polarization.
- This feeding system is double for supplying the two cell dipoles from two sources external energy. It is constituted in an analogous manner whatever the dipole of each cell. It includes a first section of coaxial cable connected to a coaxial connector for connection to one of the sources, second sections of coaxial cable each connected to one of the cell dipoles and a power divider coupling the first section to the second sections of coaxial cable.
- the object of the present invention is to minimize the drawbacks and to simplify the feed system of a polarized cell antenna compact crossover as above, and consequently simplify the structure assembly of the antenna, making it possible to considerably reduce its cost.
- Its object is a monolithic cross-polarized antenna, comprising a substantially rectangular reflector, cells radiant mounted aligned with said reflector and each formed by two orthogonal dipoles, and a power supply system connecting the two dipoles of said radiating cells to two external energy sources, each of the dipoles comprising two flat V-shaped conductive elements, arranged back to back and each having a central folding branch fixed to the reflector by a first end part of said branch and two protruding end lateral arms on either side on one second end part of said branch, the two conductive elements of one of the dipoles of each of the cells being each arranged between those of the other dipole of the same cell, characterized in that said circuit supply comprises two flat conductive supply lines, mounted opposite said reflector and connected to both of said sources respectively, and in that only one of the two conductive elements of each of said dipoles has a folded conductive tab having a first end secured to the second end part of the branch central of said first conductive element, extending inside the Vee and substantially along the
- the antenna has several identical radiating cells 1 with cross polarization which are mounted in being aligned axially on a reflector 2. These cells are four in the example illustrated but their number could be different.
- the reflector 2 is flat with two longitudinal rebounds 3 and 4 folded at 90 ° from the same side as the radiating cells 1.
- each radiating cell 1 has two orthogonal dipoles 11 and 12.
- Each of the dipoles is formed by a pair of conductive elements 11A and 11B or 12A and 12B having the form a Vé, whose Vés are mounted back to back at a short distance from each other.
- the two main components of polarization of powered dipoles which are the two orthogonally crossed polarizations 5 and 6 and are in phase from one to the other of the elements of the same dipole.
- + and - the polarities of the dipole elements for their radiation in radiofrequency waves according to a wide diagram strip from electrical energy supplied by two non-external sources represented.
- the orientation in Figure 1 of the radiating cells 1 on the reflector 2 is advantageously chosen so that the crossed polarizations 5 and 6 are not not horizontal or vertical, this in order to optimize the characteristics of transmission of dipoles.
- These crossed polarizations are preferably at + and - 45 ° relative to the longitudinal axis of the reflector, corresponding to the vertical.
- the conductive elements dipoles advantageously consist of plates suitably cut and folded in Vee.
- Each of these conductive elements presents identically, as well as referenced in Figure 3 for element 12A, a central branch 13 folded longitudinally and two end lateral arms 14 and 15, projecting on one so-called terminal parts before this branch. At least one tooth 16 is provided on the other end of the branch for mounting the element conductor on the reflector.
- the central branch present in this realization two longitudinal folds thus dividing it into a planar axial part 13A, constituting an axial flat, and two fins such as 13B folded on the same side along the flat. Alternatively, it may have only one axial line folding.
- This leg is centered on the end of the branch and is folded to extend opposite and the along the central branch, being outside the Vé that this element defines 12A or 11A.
- This tab is received inside the V that defines the other element 12B of dipole 12 or 11B of dipole 11, where it extends along and opposite the central branch of this other element as seen in Figure 2 or 5.
- This tab is an integral part of this conductive element or alternatively is brought back and welded at the front end of its central branch.
- the two conductive elements 12A and 11A differ from each other only by their notch before 13C or 13'C from where the 17 or 17 'tab starts. These two notches although little deep have different depths from each other. They thus allow legs 17 and 17 'to cross in the front part of the radiating cell, as shown in figure 2, but without contact with each other.
- the length of the central branch and the two arms of the different conductive elements is equal to a quarter of the wavelength of energy radiated by each dipole.
- the different parts of the conductive elements of each of the dipoles constitute a symmetrizing arrangement for their supply of electrical energy from two non-external sources shown, to which the dipoles are coupled as described below.
- the mounting teeth 16 provided on the conductive elements are received in the reflector 2 and welded thereto, each by a welding point such as 18 in FIGS. 5 and 6.
- the end of the tab 17 or 17 ', provided on one only one of the two conductive elements of each dipole, is received through the reflector, but remains isolated from it and is connected by a solder point 19 to a supply circuit 20 for the dipoles.
- This supply circuit 20 is advantageously made at the rear of the reflector 2, as shown in FIGS. 5 and 6. As a variant, it can be produced at the front of the reflector, but is then associated with additional elements of decoupling between its different parts connected to the cell dipoles radiant.
- the two branches of the bifurcations on line 22 are connected to the conductive elements 12A of the dipoles 12 of the cells 1.
- the other conducting elements 11B and 12B of the dipoles 11 and 12 are in turn electrically connected to the reflector 2, grounded to the two external sources of energy.
- connection extension 25 is provided on the middle part of each supply line such as 21.
- This extension is used for direct connection from one of the external sources in the middle of this line 21.
- it is used for connection, via a section of coaxial cable, from the power line to a coaxial connector mounted at one end of the reflector and connected to one of the sources.
- Energy from sources outside is thus distributed in a suitable way on the various dipoles 11 and 12, the amplitude and phase weights being obtained by variations in the parameters of the supply system, namely the distance of the lines 21 and 22 and their bifurcations with respect to reflector 2 and the length and width of these lines and bifurcations.
- These lines are flat electrical conductors of the same type as that of the reflector and of the conductive elements of the dipoles 11 and 12, in especially aluminum or aluminum alloy. They are maintained in sight and at the required distance from the reflector by insulating spacers, not shown, which are provided between them and the reflector.
- insulating shims can be advantageously provided between each of the legs, such as 17 and 17 ′, and the central branch of the conductive element which receives the tab.
- one or more insulating shims not shown are advantageously provided between the tab integral with the conductive element 11A and that integral with the conductive element 12A, which cross one below on the other but without electrical contact between them at the front of each cell 1 (figure 2).
- the portions of these legs that cross at the front of the cell are oriented according to crossed polarizations 5 and 6.
- the first two conductive elements respectively of two dipoles of the same radiating cell are designated by 32A and 31A. Their only differences compared to the conducting elements 12A and 11A of the Figures 3 and 4 are specified below.
- the front end of the central branch 33 or 33 ' is not indented.
- an axial slot 38 or 38 ' is provided in this central branch, and extends from an intermediate portion of its part front terminal to its rear end, across the width of the initial flat between the two fins 33B or 33'B.
- each of the conductive elements is constituted by the axial cutting portion of the slot, without its detachment from the part before 33 or 33 'only remaining of the initial flat, and by folding twice of this axial cutting portion. This leg thus extends outside the Vé and opposite the conductive element to which it is integral.
- FIGS. 7 and 8 show that the folding point closest to the central branch is on a slightly different level on the two legs 37 and 37 '. This allows the crossing of these legs, without contact, in the part front of the radiant cell.
- FIG. 9 shows the second conductive element 32B associated with the conducting element 32A of FIG. 7 to then constitute one of the dipoles denoted 32 and illustrated in FIG. 10. It appears that this second element 32B is analogous to the conductive element 32A, except that it is without the tab 37 of this one. In particular, its central branch has a slot 38B extending over almost its entire length, to receive the tab 37 without contact between this tab and the conductive element 32B.
- a simple light can be provided in a portion intermediate of the front part of the flat part of the central branch, to the insertion through this light of the tab 37 of the element 32A of FIG. 7 inside the V of the conductive element 32B thus modified.
- This paw 37 then remains without contact with this conductive element which receives it.
- tab 37 is at the polarity + of one of the two sources to give this polarity + to the conductive element 32A, while the conductive element 32B has the polarity - given by the reflector grounded from outside sources.
- this tab 37 located in or practically in slot 38B, this results in a feeding mode coplanar or quasi-coplanar radioelectric of the two conductive elements of this dipole 32.
- the mode of supply of the two elements of each previous dipoles 11 and 12, like the dipole resulting from the variant suggested with regard to figure 9, is of the “microstrip” type, with a layer air dielectric of thickness defined between the conductive parts which have the + and - polarities and are opposite.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
Description
- lesdites lignes conductrices plates sont situées en regard d'une face dite arrière dudit réflecteur, lesdites cellules étant montées sur une face dite avant dudit réflecteur,
- les pattes solidaires des premiers éléments conducteurs des deux dipôles de la même cellule rayonnante se croisent, sans contact entre elles, dans une partie avant de la cellule et ont les mêmes orientations que l'une et l'autre des polarisations croisées de la cellule,
- la patte est partie intégrante dudit premier élément conducteur,
- la patte est solidaire de l'extrémité avant de la branche centrale dudit premier élément conducteur et s'étend à l'intérieur du Vé et en regard de la branche centrale du deuxième élément conducteur du dipôle,
- la patte est solidaire d'une portion intermédiaire de la deuxième partie terminale de la branche centrale dudit premier élément, est constituée par une partie de découpe axiale de ladite branche centrale, non complétement détachée de celle-ci, et s'étend le long de la partie axiale fendue de la branche centrale du deuxième élément conducteur du dipôle,
- chacune des lignes conductrices présentent des bifurcations en T à deux branches latérales soudées aux pattes des deux premiers éléments de dipôles de deux cellules consécutives sur ledit réflecteur, respectivement,
- chacune desdites lignes conductrices présente une extension centrale, de liaison de la ligne conductrice à l'une des sources extérieures.
- la figure 1 est une vue de face d'une antenne selon l'invention,
- la figure 2 est une vue de dessus d'une cellule rayonnante de l'antenne de la figure 1,
- les figures 3 et 4 sont deux vues en perspective de deux premiers éléments conducteurs de l'un et l'autre des dipôles de chacune des cellules rayonnantes,
- la figure 5 est une vue de face de l'un des dipôles de chacune des cellules rayonnantes,
- la figure 6 est une vue de la face arrière de l'antenne,
- les figures 7 et 8 montrent une variante de réalisation des deux premiers éléments conducteurs des figures 3 et 4,
- la figure 9 montre le deuxième élément conducteur, à associer au premier élément de la figure 7 pour constituer l'un des dipôles des cellules rayonnantes,
- la figure 10 montre l'un des dipôles selon cette variante.
Claims (13)
- Antenne monolithique à polarisation croisée, comportant un réflecteur sensiblement rectangulaire (2), des cellules rayonnantes (1) montées alignées sur ledit réflecteur et formées chacune par deux dipôles orthogonaux (11 ; 12, 32), et un système d'alimentation (20) reliant les deux dipôles desdites cellules rayonnantes à deux sources d'énergie extérieures, chacun des dipôles comprenant deux éléments conducteurs plats (11A, B ; 12A, B ; 31A, B ; 32A, B) pliés en V, disposés dos à dos et présentant chacune une branche centrale de pliage (13, 33) fixée au réflecteur par une première partie terminale de ladite branche et deux bras latéraux terminaux (13, 14) saillants de part et d'autre sur une deuxième partie terminale opposée de ladite branche, les deux éléments conducteurs de l'un des dipôles de chacune des cellules étant disposés chacun entre ceux de l'autre dipôle de la même cellule, caractérisée en ce que ledit circuit d'alimentation (20) comporte deux lignes conductrices plates d'alimentation (21, 22), montées en regard dudit réflecteur (2) et reliées à l'une et l'autre desdites sources respectivement, et en ce qu'un seul premier (11A, 12A, 31A, 32A) des deux éléments conducteurs de chacun desdits dipôles comporte une patte conductrice repliée (17, 37), ayant une première extrémité solidaire de la deuxième partie terminale de la branche centrale (13, 33) dudit premier élément conducteur, s'étendant à l'intérieur du Vé et substantiellement le long de la branche centrale du deuxième élément conducteur (11B, 12B, 32B) du dipôle et ayant une deuxième extrémité reliée à l'une desdites lignes d'alimentation (21, 22).
- Antenne selon la revendication 1, caractérisée en ce que lesdites lignes conductrices plates (21, 22) sont situées en regard d'une face arrière dudit réflecteur (2), lesdites cellules étant montées sur une face dite avant dudit réflecteur.
- Antenne selon la revendication 2, caractérisée en ce que les pattes (17, 17' ; 37, 37') solidaires des premiers éléments conducteurs des deux dipôles de la même cellule rayonnante (1), se croisent, sans contact entre elles, dans une partie avant de la cellule et ont les mêmes orientations que l'une et l'autre des polarisations croisées (5, 6) de la cellule.
- Antenne selon la revendication 3, caractérisée en ce que les polarisations croisées sont sensiblement à + et - 45° par rapport à la verticale, respectivement.
- Antenne selon l'une des revendications 1 à 4, caractérisée en ce que lesdites pattes (17) traversent ledit réflecteur (2) sans contact avec celui-ci, chacune par un trou (29) dans le réflecteur, et sont soudés chacune sur l'une desdites lignes conductrices plates (21, 22).
- Antenne selon l'une des revendications 1 à 5, caractérisée en ce que la patte (17 ; 37) est partie intégrante dudit premier élément conducteur (11A ; 32A).
- Antenne selon l'une des revendications 1 à 6, caractérisée en ce que la branche centrale de chaque élément conducteur présente au moins une dent terminale (16) sur ladite première partie terminale de celle-ci, qui est engagée dans ledit réflecteur et est soudée à celui-ci.
- Antenne selon l'une des revendications 1 à 6, caractérisée en ce que chacune desdites lignes conductrices présentent des bifurcations en T, chacune à deux branches latérales (23, 24) soudées aux pattes des deux premiers éléments des dipôles de deux cellules consécutives sur ledit réflecteur, respectivement.
- Antenne selon la revendication 8, caractérisée en ce que chacune desdites lignes conductrices (21, 22) présente une extension centrale (25), de liaison de la ligne conductrice à l'une des sources extérieures.
- Antenne selon la revendication 1, caractérisée en ce que la patte (17) est solidaire d'une extrémité avant de la branche centrale (13) dudit premier élément conducteur (11A ; 12A).
- Antenne selon la revendication 1, caractérisée en ce que la branche centrale (33) de chacun desdits premier et deuxième éléments conducteurs (32A ; 32B) présente une fente axiale (38, 38B), s'étendant entre une extrémité arrière et une portion intermédiaire de ladite deuxième partie terminale de celle-ci.
- Antenne selon la revendication 11, caractérisée en ce que la patte (37) dudit premier élément conducteur (32A) est solidaire de ladite portion intermédiaire de ladite deuxième partie terminale de la branche centrale (33) de celui-ci et est constituée d'une portion axiale de découpe de ladite fente (38) dans ladite branche.
- Antenne selon l'une des revendications 10 à 12, caractérisée en ce que la branche centrale (13, 33) de chacun desdits premier et deuxième éléments conducteurs présente un méplat axial et deux ailerons latéraux pliés d'un même côté du méplat.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0005093A FR2808128B1 (fr) | 2000-04-20 | 2000-04-20 | Antenne monolithique a polarisation croisee |
FR0005093 | 2000-04-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1152487A1 true EP1152487A1 (fr) | 2001-11-07 |
EP1152487B1 EP1152487B1 (fr) | 2003-06-18 |
Family
ID=8849453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01401004A Expired - Lifetime EP1152487B1 (fr) | 2000-04-20 | 2001-04-19 | Antenne monolithique à polarisation orthogonale |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1152487B1 (fr) |
AT (1) | ATE243373T1 (fr) |
DE (1) | DE60100376T2 (fr) |
ES (1) | ES2201020T3 (fr) |
FR (1) | FR2808128B1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1739790A1 (fr) * | 2005-06-24 | 2007-01-03 | Antennessa | Elément d'antenne omnidirectionnelle |
CN103931050A (zh) * | 2011-11-02 | 2014-07-16 | 阿尔卡特朗讯 | 天线辐射元件 |
US9899737B2 (en) | 2011-12-23 | 2018-02-20 | Sofant Technologies Ltd | Antenna element and antenna device comprising such elements |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2505495A (en) | 2012-09-03 | 2014-03-05 | Michael Mannan | Multiple path, high gain antenna array arrangement. |
GB201807833D0 (en) | 2018-05-15 | 2018-06-27 | Mannan Michael | Antenna with gain boost |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0249303A1 (fr) * | 1986-05-28 | 1987-12-16 | THE GENERAL ELECTRIC COMPANY, p.l.c. | Réseau de dipôles |
US4825220A (en) * | 1986-11-26 | 1989-04-25 | General Electric Company | Microstrip fed printed dipole with an integral balun |
US4973972A (en) * | 1989-09-07 | 1990-11-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Adminstration | Stripline feed for a microstrip array of patch elements with teardrop shaped probes |
US5532708A (en) * | 1995-03-03 | 1996-07-02 | Motorola, Inc. | Single compact dual mode antenna |
FR2766626A1 (fr) * | 1997-07-28 | 1999-01-29 | Alsthom Cge Alcatel | Systeme d'antennes directionnelles a polarisation croisee |
US6028563A (en) * | 1997-07-03 | 2000-02-22 | Alcatel | Dual polarized cross bow tie dipole antenna having integrated airline feed |
-
2000
- 2000-04-20 FR FR0005093A patent/FR2808128B1/fr not_active Expired - Fee Related
-
2001
- 2001-04-19 ES ES01401004T patent/ES2201020T3/es not_active Expired - Lifetime
- 2001-04-19 EP EP01401004A patent/EP1152487B1/fr not_active Expired - Lifetime
- 2001-04-19 DE DE60100376T patent/DE60100376T2/de not_active Expired - Lifetime
- 2001-04-19 AT AT01401004T patent/ATE243373T1/de not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0249303A1 (fr) * | 1986-05-28 | 1987-12-16 | THE GENERAL ELECTRIC COMPANY, p.l.c. | Réseau de dipôles |
US4825220A (en) * | 1986-11-26 | 1989-04-25 | General Electric Company | Microstrip fed printed dipole with an integral balun |
US4973972A (en) * | 1989-09-07 | 1990-11-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Adminstration | Stripline feed for a microstrip array of patch elements with teardrop shaped probes |
US5532708A (en) * | 1995-03-03 | 1996-07-02 | Motorola, Inc. | Single compact dual mode antenna |
US6028563A (en) * | 1997-07-03 | 2000-02-22 | Alcatel | Dual polarized cross bow tie dipole antenna having integrated airline feed |
FR2766626A1 (fr) * | 1997-07-28 | 1999-01-29 | Alsthom Cge Alcatel | Systeme d'antennes directionnelles a polarisation croisee |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1739790A1 (fr) * | 2005-06-24 | 2007-01-03 | Antennessa | Elément d'antenne omnidirectionnelle |
CN103931050A (zh) * | 2011-11-02 | 2014-07-16 | 阿尔卡特朗讯 | 天线辐射元件 |
US9325057B2 (en) | 2011-11-02 | 2016-04-26 | Alcatel Lucent | Antenna radiating element |
US9899737B2 (en) | 2011-12-23 | 2018-02-20 | Sofant Technologies Ltd | Antenna element and antenna device comprising such elements |
Also Published As
Publication number | Publication date |
---|---|
ATE243373T1 (de) | 2003-07-15 |
FR2808128B1 (fr) | 2002-07-19 |
DE60100376T2 (de) | 2004-04-29 |
ES2201020T3 (es) | 2004-03-16 |
DE60100376D1 (de) | 2003-07-24 |
FR2808128A1 (fr) | 2001-10-26 |
EP1152487B1 (fr) | 2003-06-18 |
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