EP2664025B1 - Antenne de réception multibande pour la réception combinée de signaux satellites et de signaux radiophoniques à émission terrestre - Google Patents

Antenne de réception multibande pour la réception combinée de signaux satellites et de signaux radiophoniques à émission terrestre Download PDF

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Publication number
EP2664025B1
EP2664025B1 EP12711563.2A EP12711563A EP2664025B1 EP 2664025 B1 EP2664025 B1 EP 2664025B1 EP 12711563 A EP12711563 A EP 12711563A EP 2664025 B1 EP2664025 B1 EP 2664025B1
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EP
European Patent Office
Prior art keywords
satellite
antenna
monopole
strip
reception antenna
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EP12711563.2A
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German (de)
English (en)
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EP2664025A1 (fr
Inventor
Stefan Lindenmeier
Heinz Lindenmeier
Leopold Reiter
Jochen Hopf
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Delphi Deutschland GmbH
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Delphi Deutschland GmbH
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Publication of EP2664025A1 publication Critical patent/EP2664025A1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading

Definitions

  • the invention relates to a multiband receiving antenna 1 for the combined reception of circularly polarized satellite radio signals of at least one circularly polarized radiating satellite service and terrestrial broadcasting signals over a substantially horizontal conductive base 6 as a mass with at least one, at least one satellite service with the transmission frequency fs1 associated satellite receiving antenna 3 with satellite antenna connection 5 and a terrestrial linearly polarized broadcast radio signals receiving monopole antenna with separate monopole connection point 14th
  • Terrestrially broadcast radio broadcasting signals are broadcast in the frequency bands of radio bands AM and FM with electromagnetic waves whose wavelengths are not shorter than approximately 2 m.
  • Recent developments with rod-shaped active antennas mounted vertically on the vehicle body as a conductive base for the two aforementioned broadcast bands have led to small antenna lengths of about 20 cm. In vehicle construction, however, a further shortening of such antennas is often required.
  • the directional diagram is extremely narrowly tolerated, particularly in view of the scale known on vehicles for antennas.
  • the design of an antenna is specified, which allows compliance with the closely tolerated directional diagram.
  • the antenna gain required in the area of the zenith angle can generally be realized problem-free.
  • the reception of terrestrial broadcast signals according to the SDARS standard is combined with a monopole antenna, resulting in an advantageous for the application to vehicles small design of the combined for the first radio service 1 antenna.
  • a close tolerance requirement is to be maintained largely for the construction on a vehicle largely.
  • other satellite radio services should also be possible, such as the Global Positioning System (GPS).
  • GPS Global Positioning System
  • An antenna according to the prior art as in the DE 101 08 910
  • Object of the present invention is therefore to provide a multiband antenna with a particularly small floor plan and particularly small height for the combined reception of circularly polarized satellite radio signals at least one circularly polarized radiating satellite service and terrestrial broadcast radio signals in the Rundfunkbändem AM and FM.
  • terrestrial radio services higher frequencies, such.
  • DAB_VHF, GSM900, GSM 1800, UMTS and DAB L-band to include.
  • Measures are provided for the design of additional radio services antenna mounted in the near field of a first antenna for a first service with a tightly tolerated antenna directional diagram which avoids the disadvantages of deformation of the antenna directional diagram of the antenna for the first service.
  • a satellite antenna 3 according to the invention has the advantage that the inventive design of a roof capacity 8 of a vertical rod-shaped monopole 13 located in the center of the satellite antenna practically does not affect the closely toleranced directional pattern of the satellite antenna 3 in the design according to the invention.
  • the inventive design of a roof capacity 8 of a vertical rod-shaped monopole 13 located in the center of the satellite antenna practically does not affect the closely toleranced directional pattern of the satellite antenna 3 in the design according to the invention.
  • This requirement is raised in particular for car antennas, with the result of the vehicle body caused by the rotation of the electric fields in the FM frequency range of the reception with vertical polarization that is done with the vertically oriented rod-shaped monopole 13.
  • the frequently asked requirement for a combined antenna with a height of only about 7 cm can be met by designing a sufficiently large roof capacity.
  • substantially periodic conductor structure 24 with the period 19 and the amplitude 18 is in particular the azimuthal directional pattern of the satellite antenna 3 according to the invention even with relatively long longitudinal extent of periodic conductor structure 24 virtually unaffected.
  • the roof capacity 8 can no longer be rotationally symmetrical. This leads to the requirement that the ratio of longitudinal extension to transverse dimension of the roof capacity at least 3: 1 up to the ratio 8: 1 can be selected.
  • the required azimuthal circular diagram of the satellite antenna could not be achieved with a flat conductive roof capacity.
  • this problem can also be solved economically advantageous.
  • the loop emitter forms a resonant structure, wherein the current distribution of a current line wave is set in a single direction of rotation on the loop in the transmission case, the phase difference over a revolution is just an integer multiple of the phase angle 2 ⁇ .
  • the arrangement may alternatively be formed such that on the conductive base there is a distribution and phase network, which is connected on the input side to the satellite antenna terminal, that the vertical radiators in each case via one of the outputs of the distribution and phase network are excited with respective phases, so that adjusts an ongoing electromagnetic wave in the loop antenna in such a way that the circular polarization of the satellite receiving antenna is given, as in the Fig. 1 a and 1 b the US 2003/0063038 is disclosed.
  • azimuthal radiation is sought.
  • the transmission mode of the satellite reception antenna is considered merely for explaining the antenna characteristics with respect to the reciprocity property.
  • the passive resonance structure can be allowed for different modes.
  • FIG. 1 shows a satellite antenna 3 according to the invention with a designed as a resonant structure square ring emitter 2 to produce a circularly polarized electromagnetic Femfeldes.
  • the ring tube radiator 2 is designed to extend in a horizontal plane with the height 9 above the conductive base 6, so that it forms an electrical line with respect to the conductive base 6 with a characteristic impedance resulting from the height and the effective diameter of substantially wire-shaped loop conductor results.
  • the elongated length L of the ring line of the ring line radiator 2 is chosen such that it is essentially an integral multiple of the line wavelength, the line wavelength being equal to the free space wavelength ⁇ s1.
  • the stretched length L can then be made shorter than the free space wavelength ⁇ s1.
  • An essential feature of an antenna according to the present invention is the possibility for particularly low-cost production.
  • An in this respect outstandingly advantageous form of the antenna with square loop antenna 2 is its nature in the FIGS. 1 and 2 shown.
  • the ring line emitter 2 with the vertical emitters 4a, 4b, 4c, 4d can, together with the flat electrodes or capacitance electrodes individually formed at its lower end 32a, 32b, 32c, 32d are made, for example, of a continuous, stamped and formed sheet metal part.
  • the characteristic impedance of the sections of the ring line radiator 2 can be designed individually by choosing the width of the connectors.
  • the wave propagation unidirectional effect of the electromagnetic excitation of the loop 2 and the impedance matching at the satellite antenna port 5 is by the dimensioning of the capacitance electrodes 32a, 32b, 32c, as well as by the coupling via the capacitance electrode 32d to the vertical radiator 4d in conjunction with the design of the characteristic impedance of the sections of the ring radiator reached.
  • the electrically conductive base 6 is preferably designed as a conductive coated circuit board.
  • the preferably realized as capacitances 15 couplings to the vertical radiators are formed in such a way that the capacitance electrodes 32a, 32b, 32c, 32d for coupling three vertical radiators 4a, 4b, 4c are designed to the electrically conductive base 6.
  • this is configured as a planar counterelectrode 34 which is insulated from the conductive layer of the printed circuit board and which can be designed as a capacitance electrode 15d or as an electrode 15.
  • the sheet metal part and the electrically conductive base surface 6 embodied as a printed circuit board can be connected to one another by way of example by low-cost adhesive bonding and thus without expensive soldering.
  • the connection to a receiver can be realized in a known manner, for example by connecting a microstrip line or a coaxial line, starting from the antenna connection 5.
  • the electromagnetic excitation of a ring line can also take place via the feed to ⁇ / 4 remote ring line crosspoints 7 of different by 90 ° in the phase signals.
  • the satellite antenna 3 according to the invention is particularly robust in view of the susceptibility of its radiation pattern compared to other circularly polarized antennas. Together with the combination according to the invention with the rod-shaped monopole 13 in its center with its roof capacity 8 designed according to the invention, the invention also provides a solution for large strip lengths 23 to maintain the tolerance values of approximately 0.5 dB specified for the satellite antennas.
  • the conductive to the upper end of the rod-shaped monopole 13, connected to form its roof capacitance 8 from, for example, wire-shaped conductor 17, and about a substantially horizontally oriented longitudinal center line M oscillating propagating, substantially periodic conductor structure 24 with the period 19 and the Strip width 22 is largely transparent with respect to the incident electromagnetic waves from the satellite at frequency fs1. It is advantageous here that due to the meandering or the periodic conductor structure, the static capacitance, which is necessary for the formation of the AM / FM antenna, is only insignificantly reduced by the wire-shaped design.
  • an elongate virtual strip 21 oriented substantially horizontally with respect to its surface is introduced, which has a longitudinal center line M.
  • the strip 21 has the strip length 23 and the strip width 22, wherein the substantially periodic conductor pattern 24 is designed to extend substantially in the surface of this strip 21, so that in the plan view the substantially periodic conductor structure 24 with the amplitude 18 within the border of Strip 22 is arranged and this substantially fills.
  • the strip width 22 should preferably be selected to be sufficiently small.
  • a strip length 23 which is at least three times as large as the strip width 22 results in an advantageous embodiment of the invention particularly small influences on the directional pattern of the satellite antenna, if the stripe width 22 is not greater than 3/8 of the free space wavelength ⁇ s1 and the period 19 is not greater than 1/4 of the free-space wavelength As1 of the satellite service with the highest frequency fs1 is selected.
  • the periodic conductor structure 24 of the roof capacitance 8 can be designed as a substantially periodic triangular structure with the period 19 which substantially completely fills the virtual stripe 21, the stripe length 23 about 0.8 of the free space wavelength ⁇ s1 and the stripe width 22 can be about 0.15 the free space wavelength ⁇ s1 and the rod-shaped monopole 13 is conductively connected approximately in the middle of the virtual stripe 21 with the periodic conductor structure 24.
  • the triangular structure shaped periodic conductor pattern 24, as in FIG. 4b shown as a winding made of, for example, a wire or a conductor track with the period 19 on a dielectric plate-shaped bobbin 28 of the shape of the virtual strip 21 are executed.
  • the periodic conductor structure 24 of the roof capacitance 8 is a substantially periodic meander structure with the period 19 designed. This substantially completely fills the virtual stripe 21, wherein the stripe length 23 can be about 0.8 of the free space wavelength ⁇ s1 and the stripe width 22 can be about 0.15 of the free space wavelength ⁇ s1 and the bar-shaped monopole 13 about in the middle of the virtual stripe 21 with the periodic conductor structure 24 is conductively connected.
  • the height of the rod-shaped monopole 13, which determines the overall height of the multiband receiving antenna 1, can amount to approximately half of the free-space wavelength ⁇ s1.
  • the periodic conductor structure 24 of the roof capacitance 8 can be used as a meandering structure, as in FIG. 6 shown, are designed in such a way that both legs of the meander on both sides of the center line M respectively by the inclination angle 16 relative to the horizontal lying virtual strips 21 are angled down and the dimensions of the meander structure are chosen so that their vertical projection on the virtual strip 21 fills this and the inclination angle 16 occupies about the value of 60 °.
  • FIG. 4a shows the top view and FIG. 7 a perspective view of a multi-band receiving antenna 1 according to the invention with a plurality of concentrically oriented satellite antennas.
  • the innermost of the satellite antennas 3a is operated at a resonance on the frequency fs1 with a current line wave whose phase difference over a revolution is just 2 ⁇ , as z. B. is suitable for the azimuthal round reception of SDARS broadcast signals.
  • Another satellite antenna 3b for a satellite broadcasting service having a lower transmission frequency fs2 and a traveling line wave whose phase difference over a round trip is also just 2 ⁇ is suitable for receiving GPS signals, for example.
  • FIGS. 4a and 7 Concentric with the first (innermost) satellite antenna 3a with a traveling line wave whose phase difference over a cycle is just 2 ⁇ is in FIGS. 4a and 7 in each case a further satellite antenna 3b for receiving the same satellite signal, but with a current line wave whose phase difference over a cycle is just 4 ⁇ available.
  • a further satellite antenna 3b for receiving the same satellite signal, but with a current line wave whose phase difference over a cycle is just 4 ⁇ available.
  • the electrically insulating round rod 39 is designed as a plastic rod, which is designed tubular in its lower portion.
  • an electrically conductive round rod 38 is inserted into the tubular opening, the lower end of which forms the monopole connection point 14.
  • the industrially complex galvanic connection of the winding to the monopole connection point 14 can be avoided.
  • the increase in the received voltage at the monopole connection point 14 in the VHF frequency range by the measures described above can be used particularly advantageously if the monopole connection point 14 immediately following antenna circuit is equipped with high-impedance active elements, such as field effect transistors with small input capacitance , Such circuits are for example in the EP 1 246 294 A3 and in the EP 1 406 349 A3 described.
  • connection of the conductor winding or wire winding can be capacitive with the monopole connection point 14 by means of an electrically conductive bushing 41, which is lined in its interior with a plastic tube 40.
  • the cylindrical winding 35 located on the electrically insulating round rod 39 is inserted mechanically positively and the cover 30 is made in this way.
  • FIG. 9 shows the rod-shaped monopole 13 with meandering roof capacity 8 according to the invention, the electrically insulating plastic tube 40 and the electrically conductive socket 41, at the lower end of the monopole connection point 14 is formed.
  • the lower part of the vertical radiator 4 as an electrically conductive round rod 38 corresponding to the resonance length of, for example, a quarter wavelength of one of the above radio services and in the upper part of the rod-shaped monopole 13 to the applied on the rod-shaped dielectric body of the monopole 13 applied wire winding 35 in such a way that adjusts the VHF resonance described above in the VHF frequency range in conjunction with the meandering roof capacity.
  • the wire winding 35 resonances can also be realized for the frequencies for a plurality of the radio services of higher frequencies mentioned above.
  • a combination of the measures can be advantageously carried out in that the electrically conductive rod 38 is designed for the radio service with the lowest frequency and the wire winding 35 in the upper part of the electrically conductive rod 38 contains a plurality of spaced closely wound winding packages. These each cause the blocking of signals higher frequencies relative to the overlying part of the monopoly.
  • the monopole can thus be designed multiresonant in such a way that for the different wavelengths of the radio service frequencies correspondingly long radiators are effective with corresponding resonance impedances at the monopole junction 14.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)

Claims (15)

  1. Antenne de réception multibande (1) pour la réception combinée de signaux radio de satellite polarisés circulaires d'au moins un service de radiocommunication par satellite à émission polarisée circulaire et de signaux de radiodiffusion à émission terrestre, sur une surface de base (6) conductrice sensiblement horizontale à titre de masse, comportant au moins une antenne de réception par satellite (3) associée audit au moins un service de radiocommunication par satellite avec la fréquence d'émission fs1 et la longueur d'onde en espace libre λs, présentant une borne d'antenne satellite (5), et une antenne monopolaire à réception terrestre de signaux de radiodiffusion à émission polarisée circulaire, présentant une borne d'antenne monopolaire distincte (14), caractérisée par les caractéristiques suivantes :
    - ladite au moins une antenne de réception par satellite (3) comprend un émetteur à ligne annulaire (2) à symétrie de révolution par rapport à son centre Z, qui est constitué par une ligne annulaire fermée polygonale ou circulaire de la longueur développée L dans un plan parallèle à la surface de base (6) conductrice, à la hauteur (9) inférieure à λs1/8 au-dessus de la surface de base (6) conductrice,
    - sur la périphérie de la longueur (L) de l'émetteur à ligne annulaire (2) de l'antenne de réception par satellite (3), plusieurs (N) émetteurs verticaux s'étendant vers la surface de base (6) conductrice sont connectés à l'émetteur à ligne annulaire (2) via des points de connexion de ligne annulaire (7) en étant espacés les uns des autres à des écarts étirés (L/N) de la structure présentant des longueurs égales ;
    - l'émetteur à ligne annulaire (2) est excité par l'un au moins des émetteurs verticaux (4), entre l'extrémité inférieure duquel et la surface de base (6) conductrice est formée la borne d'antenne satellite (5), ladite au moins une antenne de réception par satellite (3) étant polarisée circulairement ;
    - les autres émetteurs verticaux (4) sont connectés respectivement par leurs extrémités inférieures à la surface de base (6) conductrice par l'intermédiaire d'une capacité (15b, 15c, 15d) à un point de mise à la masse (11) ;
    - l'antenne monopolaire comprend un monopôle (13) sensiblement en forme de barreau orienté verticalement vers la surface de base (6) conductrice et traversant le centre Z de l'émetteur à ligne annulaire (2), à l'extrémité inférieure duquel est réalisé l'emplacement de connexion (14) du monopôle, conjointement avec la surface de base (6) conductrice, pour découpler les signaux de radiodiffusion à émission polarisée linéaire ;
    - à l'extrémité supérieure du monopôle (13) en forme de barreau, en vue de concevoir sa capacité terminale (8), est connectée de façon conductrice une structure conductrice (24) sensiblement périodique présentant une période (19) et une amplitude d'oscillation (18) et constituée d'un conducteur (17) à propagation oscillatoire autour d'une ligne longitudinale médiane orientée sensiblement horizontalement ;
    - aussi bien la période (19) que l'amplitude d'oscillation (18) sont choisies plus petites que la moitié de la longueur d'onde en espace libre λs1 de celui des services de radiocommunication par satellite qui a la fréquence d'émission fs1.
  2. Antenne de réception multibande selon la revendication 1,
    caractérisée en ce que
    la ligne longitudinale médiane M définit la ligne médiane d'un ruban virtuel (21) longitudinal orienté sensiblement horizontalement de par sa surface, présentant la longueur de ruban (23) et la largeur de ruban (22), la structure conductrice (24) sensiblement périodique étant configurée de manière à s'étendre sensiblement dans la surface de ce ruban (21), de sorte qu'en vue de dessus, la structure conductrice (24) sensiblement périodique présentant l'amplitude d'oscillation (18) est agencée à l'intérieur de la bordure du ruban (22) en remplissant celle-ci sensiblement.
  3. Antenne de réception multibande selon la revendication 2,
    caractérisée en ce que
    la longueur (23) du ruban est au moins du triple de la largeur (22) du ruban, et en ce que la largeur (22) du ruban n'est pas choisie supérieure à 3/8 de la longueur d'onde en espace libre λs1 et la période (19) n'est pas choisie supérieure à 1/4 de la longueur d'onde en espace libre λs1 de celui des services de radiocommunication par satellite qui a la fréquence maximale fs1.
  4. Antenne de réception multibande selon l'une des revendications 1 à 3, caractérisée en ce que
    la structure conductrice (24) périodique de la capacité terminale (8) est configurée sous forme de structure en méandres sensiblement périodique présentant la période (19), qui remplit sensiblement complètement un ruban virtuel (21), la longueur (23) du ruban pouvant être approximativement 0,8 fois la longueur d'onde en espace libre λs1 et la largeur (22) du ruban pouvant être environ 0,15 fois la longueur d'onde en espace libre λs1, le monopôle (13) en forme de barreau étant connectée de façon conductrice à la structure conductrice (24) périodique approximativement au milieu du ruban virtuel (21).
  5. Antenne de réception multibande selon l'une des revendications 1 à 4, caractérisée en ce que
    la structure conductrice (24) périodique de la capacité terminale (8) est configurée sous forme de structure en méandres, une branche respective de la structure en méandres étant coudée vers le bas de part et d'autre de la ligne longitudinale médiane M, d'un angle d'inclinaison respectif (16) par rapport au ruban virtuel (21) horizontal, et les dimensions de la structure en méandres sont choisies de telle sorte que sa projection verticale sur le ruban virtuel (21) remplit celui-ci, l'angle d'inclinaison (16) prenant en particulier une valeur d'environ 60°.
  6. Antenne de réception multibande selon l'une des revendications 1 à 5, caractérisée en ce que
    en vue d'augmenter la capacité terminale (8), au moins deux structures conductrices (24) périodiques sensiblement égales sont agencées en ayant leurs côtés longitudinaux parallèles l'un à l'autre et à une petite distance l'une de l'autre, dans un ruban virtuel (21), et lesdites au moins deux structures conductrices (24) périodiques sont connectées de façon conductrice à l'extrémité supérieure du monopôle (13) en forme de barreau.
  7. Antenne de réception multibande selon l'une des revendications 1 à 6, caractérisée en ce que
    la structure conductrice (24) périodique de la capacité terminale (8) est configurée sous forme de structure triangulaire sensiblement périodique présentant la période (19), qui remplit sensiblement complètement un ruban virtuel (21), la longueur (23) du ruban pouvant être approximativement 0,8 fois la longueur d'onde en espace libre λs1 et la largeur (22) du ruban pouvant être environ 0,15 fois la longueur d'onde en espace libre λs1, et le monopôle (13) en forme de barreau est connecté de façon conductrice à la structure conductrice (24) périodique approximativement au milieu du ruban virtuel (21).
  8. Antenne de réception multibande selon l'une des revendications 1 à 7, caractérisée en ce que
    la structure conductrice (24) périodique configurée sous forme de structure triangulaire est réalisée sous forme d'enroulement présentant la période (19) sur un corps d'enroulement (28) diélectrique en forme de plaque, présentant la forme d'un ruban (21).
  9. Antenne de réception multibande selon l'une des revendications 1 à 8, caractérisée en ce que
    pour augmenter son inductance propre, le monopôle (13) en forme de barreau est défini par un enroulement (35) sensiblement cylindrique qui est enroulé sur un corps diélectrique en forme de barreau.
  10. Antenne de réception multibande selon l'une des revendications 1 à 9, caractérisée en ce que
    la borne d'antenne satellite (5) n'est pas formée entre l'extrémité inférieure d'un émetteur vertical et la surface de base (6) conductrice, et en ce que les autres émetteurs verticaux (4) ne sont pas connectés respectivement par leurs extrémités inférieures à la surface de base (6) conductrice par l'intermédiaire d'une capacité respective (15b, 15c, 15d) à un point de mise à la masse (11), mais il existe au contraire un réseau de distribution et de phase sur la surface de base (6) conductrice, qui est connecté du côté entrée à la borne d'antenne satellite (5), les émetteurs verticaux (4) étant excités via l'une des sorties du réseau de distribution et de phase, avec des phases correspondantes, de telle sorte qu'une onde électromagnétique continue s'établit sur l'émetteur à ligne annulaire de manière à imposer la polarisation circulaire de l'antenne de réception satellite (3).
  11. Antenne de réception multibande selon l'une des revendications 1 à 10, caractérisée en ce que
    les capacités (15a, 15b, 15c, 15d) qui se distinguent de par leur valeur de capacité sont réalisées du fait que les émetteurs verticaux (4) sont configurés, à leur extrémité inférieure, en électrodes capacitives surfaciques (32a, 32b, 32c, 32d) réalisées individuellement, et les capacités (15a, 15b, 15c) sont configurées pour le couplage de trois émetteurs verticaux (4a, 4b, 4c) à la surface de base (6) conductrice de l'électricité, et pour le couplage capacitif du quatrième émetteur vertical (4d) à la borne d'antenne (5), celle-ci est réalisée sous la forme d'une contre-électrode (34) surfacique isolée vis-à-vis de la surface de base (6) conductrice.
  12. Antenne de réception multibande selon l'une des revendications 1 à 11, caractérisée en ce que
    concentriquement à ladite au moins une antenne satellite (3a) présentant une onde conductrice continue dont la différence de phases sur une révolution correspond exactement à 2π, il existe au moins une autre antenne satellite (3b, 3c) pour un service de radiocommunication par satellite respectif présentant une basse fréquence d'émission fs2 ou fs3 (fs3 étant donc inférieure à fs2) et une onde conductrice continue respective, dont la différence de phases sur une révolution correspond également exactement à 2π, et les antennes satellites (3a, 3b, 3c) sont réalisées en particulier selon les revendications précédentes.
  13. Antenne de réception multibande selon l'une des revendications 1 à 12, caractérisée en ce que
    concentriquement à ladite au moins une antenne satellite (3a) présentant une onde conductrice continue dont la différence de phases sur une révolution correspond exactement à 2π, il existe une autre antenne satellite (3c) pour la réception du même signal satellite, mais avec une onde conductrice continue dont la différence de phases sur une révolution correspond exactement à 4π, et les bornes d'antenne satellite (5) pour la superposition des signaux de réception des deux antennes satellites (3a, 3c) sont réunies en une borne d'antenne directive commune via un combineur d'antenne à phase réglable, de sorte que par réglage de la phase de combineur on obtient une antenne directive réglable dans sa direction principale azimutale.
  14. Antenne de réception multibande selon l'une des revendications 1 à 13, caractérisée en ce que
    pour l'un des services de radiocommunication terrestres à signaux de polarisation verticale et de fréquences plus hautes - comme par exemple GSM900, GSM1800, UMTS et DAB bande L - la partie inférieure de l'antenne monopolaire est configurée en barreau conducteur de l'électricité (38) en correspondance de la longueur de résonance d'un quart de la longueur d'onde du service de radiocommunication concerné, et l'antenne monopolaire est configurée dans sa partie supérieure en un enroulement (35), de telle sorte qu'il existe une résonance dans la plage de fréquences FM en association avec la capacité terminale (8) en forme de méandres.
  15. Antenne de réception multibande selon la revendication 14,
    caractérisée en ce que
    l'antenne monopolaire est configurée pour plusieurs desdits services de radiocommunication terrestres, et le barreau (38) conducteur de l'électricité est dimensionné pour le service de radiocommunication terrestre présentant la fréquence la plus haute, et l'enroulement (35) à la suite du barreau (38) conducteur de l'électricité dans la partie supérieure de l'antenne monopolaire présente plusieurs paquets d'enroulement à des intervalles de densités d'enroulement différentes pour la séparation de signaux de fréquences respectives plus hautes par rapport à la partie de l'antenne monopolaire située au-dessus, de sorte que des émetteurs présentant des longueurs correspondantes agissent pour les différentes longueurs d'onde des fréquences de service de radiocommunication, avec des impédances de résonances correspondantes à l'emplacement de connexion de monopôle (14).
EP12711563.2A 2011-03-15 2012-03-15 Antenne de réception multibande pour la réception combinée de signaux satellites et de signaux radiophoniques à émission terrestre Active EP2664025B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011013990 2011-03-15
DE102012003460A DE102012003460A1 (de) 2011-03-15 2012-02-22 Multiband-Empfangsantenne für den kombinierten Empfang von Satellitensignalen und terrestrisch ausgestrahlten Rundfunksignalen
PCT/EP2012/001174 WO2012123125A1 (fr) 2011-03-15 2012-03-15 Antenne de réception multibande pour la réception combinée de signaux satellites et de signaux radiophoniques à émission terrestre

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EP2664025A1 EP2664025A1 (fr) 2013-11-20
EP2664025B1 true EP2664025B1 (fr) 2015-03-04

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US (1) US9553365B2 (fr)
EP (1) EP2664025B1 (fr)
CN (1) CN103403961B (fr)
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WO (1) WO2012123125A1 (fr)

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DE102017003072A1 (de) * 2017-03-30 2018-10-04 Heinz Lindenmeier Antenne für den Empfang zirkular polarisierter Satellitenfunksignale für die Satelliten-Navigation auf einem Fahrzeug
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US9553365B2 (en) 2017-01-24
DE102012003460A1 (de) 2012-09-20
WO2012123125A1 (fr) 2012-09-20
US20140002319A1 (en) 2014-01-02
CN103403961B (zh) 2015-04-22
CN103403961A (zh) 2013-11-20
EP2664025A1 (fr) 2013-11-20

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