EP2580807B1 - Structure d'antenne avec rapport signal/bruit amélioré - Google Patents

Structure d'antenne avec rapport signal/bruit amélioré Download PDF

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Publication number
EP2580807B1
EP2580807B1 EP11733603.2A EP11733603A EP2580807B1 EP 2580807 B1 EP2580807 B1 EP 2580807B1 EP 11733603 A EP11733603 A EP 11733603A EP 2580807 B1 EP2580807 B1 EP 2580807B1
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EP
European Patent Office
Prior art keywords
antenna
coupling electrode
coupling
conductor
interference
Prior art date
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Active
Application number
EP11733603.2A
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German (de)
English (en)
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EP2580807A2 (fr
Inventor
Gunther Vortmeier
Christoph Degen
Stefan Droste
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.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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Priority to EP11733603.2A priority Critical patent/EP2580807B1/fr
Priority to PL11733603T priority patent/PL2580807T3/pl
Publication of EP2580807A2 publication Critical patent/EP2580807A2/fr
Application granted granted Critical
Publication of EP2580807B1 publication Critical patent/EP2580807B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • 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
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • H01Q1/1285—Supports; Mounting means for mounting on windscreens with capacitive feeding through the windscreen
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises

Definitions

  • the invention relates to an antenna arrangement with an area antenna for receiving electromagnetic waves, and to a method for operating an antenna arrangement.
  • the conductive coating serves for reflection of heat rays and thus, for example, in motor vehicles or in buildings for improving the thermal comfort. In many cases, it is also used as a heating layer to heat a transparent pane over its entire surface electrically.
  • transparent coatings can also be used as surface antennas for receiving electromagnetic waves because of their electrical conductivity.
  • the conductive coating is galvanically or capacitively coupled to a coupling electrode and the antenna signal is provided in the edge region of the disk.
  • the antenna signal is supplied to an antenna amplifier, which is connected in particular in motor vehicles with the electrically conductive body, whereby a high-frequency technically effective reference potential for the antenna signal is specified by this electrical connection.
  • the usable antenna voltage results from the difference between the reference potential and the potential of the antenna signal.
  • the U.S. Patent No. 5,285,048 shows an antenna assembly with two wire antennas, which are inductively and capacitively coupled. A capacitance allows high-frequency antenna signals to be grounded. Further state of the art can be found in the international patent application WO 2004/100311 A1 , the international patent application WO 93/23890 A1 , the European patent application EP 0 961 342 A2 and the French patent application FR 2 608 844 be removed.
  • the planar antenna due to the large antenna area, electromagnetic signals can be received within a relatively large space.
  • this has the consequence that, in addition to the useful signals, undesired interference signals from electrical devices such as cameras, sensors, instrument panel, Engine control unit and the like can be received by the planar antenna.
  • the signal-to-noise ratio (SNR) of the surface antenna can be significantly worsened.
  • a common way to improve the signal-to-noise ratio is to avoid spurious signals by filtering and shielding the sources of interference.
  • the influence of interference signals can be reduced if a relatively large geometric distance between sources of interference and surface antenna is maintained.
  • the implementation of these requirements is usually associated with difficulties.
  • suppression and shielding of sources of interference is technically complex and involves relatively high costs.
  • a correspondingly large spatial distance between sources of interference and surface antenna can often not be met, for example in the case of a front engine and an applied to the windshield surface antenna.
  • electrical equipment in the area of the foot of the rear view mirror are provided, which can act as sources of interference for a surface antenna on the windshield. If appropriate, a useful remedy can only be achieved by applying the planar antenna to the rear window.
  • the object of the present invention is to develop conventional antenna arrangements with an area antenna so that useful signals can be received with a satisfactory signal / noise ratio despite the presence of interference sources that radiate noise to the surface antenna. Furthermore, such an antenna arrangement in mass production should be simple and inexpensive to produce, as well as function reliably and safely.
  • the antenna arrangement of the present invention comprises at least one electrically insulating, transparent substrate, as well as at least one electrically conductive, transparent coating which is a surface of the substrate at least partially covered and at least partially as a planar antenna (surface antenna) is used to receive electromagnetic waves.
  • the conductive coating is adapted for use as a planar antenna and may for this purpose cover the substrate over a large area.
  • the antenna arrangement can comprise, for example, a single-pane glass or a composite pane.
  • the composite pane generally comprises two preferably transparent first substrates, which correspond to an inner and outer pane, which are firmly connected to each other by at least one thermoplastic adhesive layer, wherein the conductive coating may be located on at least one surface of at least one of the first substrates of the composite pane ,
  • the composite pane can be provided with a further second substrate, which is different from the first substrate and which is located between the two first substrates.
  • the second substrate in addition to or as an alternative to the first substrates, can serve as a carrier for the conductive coating, wherein at least one surface of the second substrate is provided with the conductive coating.
  • the antenna arrangement according to the invention furthermore comprises at least one first coupling electrode electrically coupled to the conductive coating for coupling useful signals out of the planar antenna.
  • the first coupling electrode may, for example, be capacitively or galvanically coupled to the conductive coating.
  • the antenna arrangement comprises at least one interference source, which is arranged such that interference signals from the planar antenna can be received electromagnetically, as well as a mass-acting, electrically conductive structure, for example a metallic vehicle body or a metallic window frame, of a motor vehicle.
  • the antenna arrangement according to the invention comprises at least one second coupling electrode electrically coupled to the conductive coating for the capacitive decoupling of interference signals of the at least one external interference source received from the planar antenna from the planar antenna.
  • the second coupling electrode may be capacitively or galvanically coupled to the conductive coating.
  • the antenna arrangement according to the invention is used in particular for coupling out interference signals from the planar antenna, which were received by the planar antenna as electromagnetic waves, ie, the interference signals are not via a galvanic or capacitive coupling by a separate electrical component (capacitor) in the planar antenna electrically transmitted but received by the planar antenna in its capacity as an antenna.
  • a separate electrical component capacitor
  • the at least one second coupling electrode is capacitively coupled to the conductive structure acting as an electrical ground, wherein the second coupling electrode has a first coupling surface and the conductive structure has a second coupling surface (coupling mating surface) capacitively coupled to the first coupling surface.
  • the capacitive coupling surfaces of the at least one second coupling electrode and the electrically conductive, electrically conductive structure are adapted for a capacitive coupling, i. they are arranged with a suitable spacing in juxtaposition.
  • the capacitively coupled coupling surfaces are designed such that they are selectively permeable for a predeterminable frequency range which corresponds to the frequency range of the interference signals to be coupled out of the planar antenna, i. for different frequencies, the capacitive coupling surfaces are not permeable.
  • the capacitive coupling surfaces for a frequency range above a threshold frequency of 170 MHz are selectively transmissive, corresponding to the frequency range of the terrestrial bands III-V, which can be well received by a line antenna.
  • the desired frequency selectivity can be easily adjusted by the size and spacing of the capacitively coupled coupling surfaces, i.
  • the size and spacing of the capacitive coupling surfaces are designed to be permeable to the frequency range of the interference signals of the interference source (s).
  • the at least one second coupling electrode is designed in the form of a projecting (areal) edge section of the conductive coating, the projecting edge section being designed to be capacitively coupled in opposition to the second coupling surface of the conductive structure acting as a ground.
  • the at least one second coupling electrode for decoupling the interference signals from the planar antenna near the first coupling electrode for decoupling the useful signals from the surface antenna is arranged.
  • antenna signals at the various coupling electrodes are coupled depending on the potential difference and distance to a surface portion of the surface coating antenna conductive coating: the greater the potential difference between a surface portion of the conductive coating and the coupling electrode and the smaller the distance to this surface portion, the more signal is decouple the coupling electrode (and the less signal is then coupled out at another, "competing" coupling electrode).
  • the antenna arrangement according to the invention can be achieved by the spatially close arrangement of the first coupling electrode and the at least one second coupling electrode in an advantageous manner that occurring during signal reception potential differences are substantially equal for both coupling electrodes. Due to the frequency-selective transmission behavior of the at least one second coupling electrode can furthermore be achieved that noise signals are coupled via the second coupling electrode and useful signals on the first coupling electrode. Due to the spatially close arrangement of the first coupling electrode and the at least one second coupling electrode can also be achieved that noise of all interfering with the surface antenna interference sources above the threshold or passage frequency of the second coupling electrode reliably and safely be coupled out of the planar antenna. The signal / noise ratio of the surface antenna can be significantly improved.
  • the at least one second coupling electrode for this purpose may have a distance from the first coupling electrode which is less than a quarter of the minimum wavelength of the interference signals to be coupled out of the planar antenna. By this measure, the signal / noise ratio of the surface antenna can be improved particularly well.
  • the second coupling electrode between a surface zone of the conductive coating (hereinafter referred to as "Störttlen preparationzone"), whose points are characterized in that they have a shortest distance from the generally physically formed source of interference, and the arranged first coupling electrode.
  • the points of the Störttlen conductingzone can have a shortest vertical distance to the source of interference.
  • the interference source area zone may, for example, correspond to a projection zone which results from projection, in particular orthogonal parallel projection, of the source of interference on the conductive coating.
  • the generally physical source of interference can be understood in the projection as a broad body.
  • second coupling electrode By arranged between the Störttlen concernedzone and the first coupling electrode second coupling electrode can be carried out in a beneficial manner, a spatially selective coupling out of interfering signals from the surface antenna, without significantly affecting the reception of useful signals. Due to the distance condition between the disturbance source and the disturbance source area zone, disturbance signals of the disturbance source in the disturbance source area zone having a largest signal amplitude or signal intensity are received. When the signal reception of the interference signals occurring potential differences between a Störttlen concernedzone containing surface portion of the conductive coating and the second coupling electrode are thus greater than potential differences between this surface portion and the first coupling electrode, so that the noise signals are mainly coupled out from the second coupling electrode. Generally, the shape of the noise source area zone depends on the shape of the noise source.
  • the second coupling electrode can furthermore receive useful signals from surface sections of the planar antenna, which are coupled out predominantly from the first coupling electrode.
  • the signal / noise ratio of the surface antenna can be significantly improved. It may be advantageous if the at least one second coupling electrode has a distance from the interference source surface zone which is less than a quarter of the minimum wavelength of the interference signals, whereby a further improvement in the signal / noise ratio of the surface antenna can be achieved.
  • the at least one second coupling electrode is arranged near a Störttlen vomzone the conductive coating whose points have a shortest distance from the at least one interference source and thus a maximum signal amplitude with respect to the interference signals of the interference source.
  • the close arrangement of the second coupling electrode at the Störttlen preparationzone causes upon receipt of the interference signals of the interference source potential differences between a Störttlen preparationzone containing surface portion of the surface antenna and the second coupling electrode, which are greater than potential differences between this surface portion and the first coupling electrode, so that the interference signals predominantly from the second coupling electrode are coupled out.
  • the first coupling electrode can furthermore receive useful signals from surface sections of the planar antenna in which potential differences occur which are greater than potential differences between a surface section containing the interference source surface zone and the first coupling electrode.
  • the signal / noise ratio of the surface antenna can be significantly improved. It may be advantageous if the at least one second coupling electrode has a distance from the interference source surface zone which is less than a quarter of the minimum wavelength of the interference signals, whereby the signal / noise ratio of the surface antenna can be further improved.
  • the first coupling electrode is electrically coupled to an unshielded, linear conductor, hereinafter referred to as "antenna conductor".
  • the antenna conductor serves as a line antenna for receiving electromagnetic waves.
  • the line-shaped conductor is located outside of a space which can be projected by orthogonal parallel projection on the surface antenna serving as a projection surface, whereby an antenna base of the line antenna becomes a common Antennenfußddling the line and surface antenna.
  • the first coupling electrode may, for example, be capacitively or galvanically coupled electrically to the line-shaped antenna conductor.
  • the antenna arrangement thus has a hybrid structure of surface and line antenna.
  • the antenna conductor serves as a line antenna and is designed to be suitable for this purpose, that is to say it has a form suitable for reception in the desired frequency range.
  • line antennas or line radiators have a geometric length (L) that exceeds their geometric width (B) by several orders of magnitude.
  • the geometric length of a line radiator is the distance between antenna base and antenna tip, the geometric width of the vertical dimension.
  • L / B ⁇ 100 For the geometric height (H), a corresponding relationship L / H ⁇ 100 applies in general, where the geometric height (H) is a dimension, which is both perpendicular to the length (L) and perpendicular to the width (B).
  • the antenna conductor is located outside a space defined by a projection operation, which is defined by the fact that each point of the space can be projected by an orthogonal parallel projection on the conductive coating or surface antenna serving as the projection surface. If the conductive coating is only partially effective as an area antenna, serves as a projection surface only effective as a surface antenna part of the conductive coating. The antenna conductor is thus not located in the space defined by the projection operation.
  • the projection beams are parallel to one another and meet at right angles to the projection surface, which in the present case is provided by the conductive coating serving as surface antenna or its surface antenna, the projection center being at infinity.
  • the projection surface is a projection plane containing the coating.
  • the said space is bounded by an (imaginary) edge area, which is positioned at the peripheral edge of the conductive coating or at the peripheral edge of the surface antenna effective part of the conductive coating and is perpendicular to the projection surface.
  • an antenna base of the line antenna becomes a common antenna base of the line and plane antenna.
  • the term "antenna footpoint" describes an electrical contact for picking up received antenna signals, in particular relating to a reference potential (e.g., ground) for determining the signal levels of the antenna signals.
  • the hybrid antenna arrangement thus advantageously allows a good reception performance with a high bandwidth, which combines the favorable reception properties of the area radiator in the frequency ranges of bands I and II with the favorable reception properties of the line radiator in the frequency ranges of bands II to V.
  • the hybrid antenna arrangement thus makes available the complete frequency range of the bands I to V with a satisfactory reception power, for example for a windscreen serving as an antenna disk.
  • the antenna conductor may be specially adapted for reception in the area of terrestrial bands III-V and for this purpose preferably has a length of more than 100 millimeters (mm) and a width of less than 1 mm and a height of less than 1 mm, corresponding to a ratio length / width ⁇ 100 or L / H ⁇ 100.
  • the antenna conductor has a resistance of less than 20 ohm / m, more preferably less than 10 ohm / m.
  • the first coupling electrode can be electrically coupled to the conductive coating such that the reception power (signal level) of the surface antenna is as high as possible.
  • the common antenna base of area and line antennas may be through a connection conductor with an electronic signal processing device for processing received antenna signals, such as an antenna amplifier, be electrically conductively connected, wherein the terminal contact is arranged so that the length of the connecting conductor is as short as possible.
  • the conductive coating can cover the surface of the substrate except for a circumferential, electrically insulated edge strip, wherein the antenna conductor is located within a space that can be projected by orthogonal parallel projection on the edge strip serving as a projection surface.
  • the antenna conductor can be applied to the substrate, for example in the region of the edge strip.
  • the conductive coating may be located on a surface of the at least one substrate and the line-shaped antenna conductor on a different surface thereof or a different substrate.
  • the first coupling electrode and the antenna conductor can be electrically conductively connected to one another by a first connecting conductor, which in particular creates the possibility of designing the first coupling electrode independently of the electrical connection to the linear antenna conductor, thereby improving the performance of the hybrid antenna arrangement can be.
  • the antenna conductor may be on a surface of the at least one substrate and the common antenna base may be on a different surface thereof or a substrate different therefrom.
  • the antenna conductor and the common Antennenfußddling are electrically connected to each other by a second connection conductor.
  • the hybrid antenna arrangement of the linear antenna conductor of a metallic printing paste for example by screen printing, printed on the at least one substrate or be laid in the form of a wire, whereby a particularly simple production of the antenna conductor is made possible.
  • at least one of the conductors selected from the first coupling electrode, the first connection conductor and the second connection conductor, can lead to the edge of the at least one substrate and be designed as a flat conductor with a width tapered in the region of the edge.
  • the line antenna and the first coupling electrode, as well as the two connection conductors (if present) may be hidden by an opaque masking layer, whereby the optical appearance of the antenna arrangement can be improved.
  • the conductive coating may comprise at least two planar segments which are insulated from one another by at least one line-shaped, electrically insulating region.
  • at least one sheet-shaped segment is divided by linearly electrically insulating regions. It is particularly advantageous if a particularly peripheral edge region of the conductive coating has a multiplicity of planar segments which are subdivided by linearly electrically insulating regions.
  • the second coupling electrode preferably has a high-pass range corresponding to the frequency range of the terrestrial bands III-V, in particular corresponding to the frequency range of the terrestrial bands IV and V.
  • an antenna structure with, inter alia, at least one electrically insulating, in particular transparent substrate, at least one electrically conductive, in particular transparent coating which at least partially covers a surface of the substrate and at least partially serves as a surface antenna for receiving electromagnetic waves, at least one with the conductive coating electrically coupled first coupling electrode for coupling useful signals from the surface antenna, and at least one electrically coupled to the conductive coating second coupling electrode for coupling noise from at least one source of interference from the planar antenna, wherein the at least one second coupling electrode has a first coupling surface, the thereto is formed to be capacitively coupled to a second coupling surface acting as an electrical mass, electrically conductive structure, wherein the first Coupling surface is formed so that it is selectively permeable together with the second coupling surface for a frequency range corresponding to the out-coupled from the surface antenna noise.
  • the at least one second coupling electrode is designed in the form of a projecting edge section of the conductive coating.
  • an antenna structure as described above as a functional and / or decorative single piece and as a built-in furniture, appliances and buildings, as well as means of locomotion for moving on land, in the air or on water, especially in motor vehicles, for example, as a windshield, Rear window, side window and / or glass roof.
  • the invention further extends to a method for operating such an antenna arrangement, in which useful signals via the first coupling electrode and Interference signals are selectively coupled via the second coupling electrode from the surface antenna.
  • the interference signals received by the planar antenna are coupled out of the planar antenna via at least one second coupling electrode designed in the form of a projecting edge section of the conductive coating.
  • the method according to the invention can be realized in particular in the antenna arrangement according to the invention described above.
  • the hybrid antenna assembly 1 is embodied here, for example, as a transparent composite disk 20, which in Fig. 1 only partially shown.
  • the composite pane 20 is transparent to visible light, for example in the wavelength range from 350 nm to 800 nm, the term "transparency" being understood to mean a light transmission of more than 50%, preferably more than 75% and especially preferably more than 80%.
  • the composite disk 20 serves, for example, as a windshield of a motor vehicle, but it can also be used elsewhere.
  • the composite pane 20 comprises two transparent individual panes, namely a rigid outer pane 2 and a rigid inner pane 3, which are firmly connected to each other via a transparent thermoplastic adhesive layer 21.
  • the individual panes have approximately the same size and are made for example of glass, in particular float glass, cast glass and ceramic glass, being equally made of a non-glassy material, such as plastic, in particular polystyrene (PS), polyamide (PA), polyester (PE), polyvinyl chloride (PVC), polycarbonate (PC), polymethylmethacrylate (PMA) or polyethylene terephthalate (PET).
  • PS polystyrene
  • PA polyamide
  • PE polyester
  • PVC polyvinyl chloride
  • PC polycarbonate
  • PMA polymethylmethacrylate
  • PET polyethylene terephthalate
  • the outer and inner panes 2, 3 may vary widely depending on the use and may be, for example, in the range of 1 to 24 mm for glass.
  • the composite disk 20 has an at least approximately trapezoidal curved contour (in Fig. 1 only partially recognizable), which results from a disc rim 5 which is common to the two individual discs 2, 3 and which is composed of two opposite long disc edges 5a and two opposite short disc edges 5b.
  • the disk surfaces are denoted by the Roman numerals I-IV, wherein “side I” of a first disk surface 24 of the outer disk 2, "side II” of a second disk surface 25 of the outer disk 2, “side III” of a third disk surface 26 of the inner disk 3 and “side IV” of a fourth disc surface 27 of the inner pane 3 corresponds.
  • side I of a first disk surface 24 of the outer disk 2
  • side II of a second disk surface 25 of the outer disk 2
  • side III of a third disk surface 26 of the inner disk 3
  • side IV of a fourth disc surface 27 of the inner pane 3
  • the adhesive layer 21 for connecting the outer and inner pane 2, 3 is preferably made of an adhesive plastic preferably based on polyvinyl butyral (PVB), ethylene-vinyl acetate (EVA) and polyurethane (PU).
  • PVB polyvinyl butyral
  • EVA ethylene-vinyl acetate
  • PU polyurethane
  • the adhesive layer 21 is formed for example as a bilayer in the form of two bonded together PVB films, which is not shown in more detail in the figures.
  • a planar support 4 preferably made of plastic, preferably based on polyamide (PA), polyurethane (PU), polyvinyl chloride (PVC), polycarbonate (PC), polyester (PE) and polyvinyl butyral (PVB), particularly preferably based on polyester (PE) and polyethylene terephthalate (PET).
  • the carrier 4 is formed for example in the form of a PET film.
  • the carrier 4 is embedded between the two PVB films of the adhesive layer 21 and arranged parallel to the outer and inner discs 2, 3 approximately centrally between the two, wherein a first carrier surface 22 of the second disc surface 25 and a second carrier surface 23 of the third disc surface 26th are facing.
  • the carrier 4 does not extend all the way to the wafer edge 5, so that a carrier edge 29 is set back inwards relative to the wafer edge 5 and a carrier-free, all-round peripheral edge zone 28 of the composite wafer 20 remains.
  • the edge zone 28 serves in particular for electrical insulation of the conductive coating 6 to the outside, for example to reduce a capacitive coupling with the electrically conductive, usually made of sheet metal Vehicle body.
  • the conductive coating 6 is protected against penetrating from the wafer edge 5 moisture.
  • a transparent, electrically conductive coating 6 is applied, which is bounded by a coating edge 8 which runs around on all sides.
  • the conductive coating 6 covers an area which is more than 50%, preferably more than 70%, more preferably more than 80% and even more preferably more than 90% of the area of the second disk surface 25 and the third disk surface 26, respectively.
  • the area covered by the conductive coating 6 is preferably more than 1 m 2 and may generally be in the range of 100 cm 2 to 25 m 2 regardless of the use of the composite pane 20 as a windshield.
  • the transparent, electrically conductive coating 6 contains or consists of at least one electrically conductive material.
  • TCO transparent conductive oxides
  • TCO is preferably indium tin oxide, fluorine-doped tin dioxide, aluminum-doped tin dioxide, gallium-doped tin dioxide, boron-doped tin dioxide, tin zinc oxide or antimony-doped tin oxide.
  • the conductive coating 6 can consist of a single layer with such a conductive material or of a layer sequence which contains at least one such single layer.
  • the layer sequence may comprise at least one layer of a conductive material and at least one layer of a dielectric material.
  • the thickness of the conductive coating 6 may vary widely depending on the use, and the thickness at each location may be, for example, in the range of 30 nm to 100 ⁇ m. In the case of TCO, the thickness is preferably in the range of 100 nm to 1.5 ⁇ m, preferably in the range of 150 nm to 1 ⁇ m, particularly preferably in the range of 200 nm to 500 nm.
  • the thickness is preferably 20 nm to 100 .mu.m, preferably 25 nm to 90 .mu.m, and particularly preferably 30 nm to 80 microns.
  • the layer sequence is thermally highly resilient, so that they are suitable for bending Glass panes required temperatures of typically more than 600 ° C without damage survives, but also thermally low loadable layer sequences can be provided.
  • the surface resistance of the conductive coating 6 is preferably less than 20 ohms and is for example in the range of 0.5 to 20 ohms. In the exemplary embodiment shown, the sheet resistance of the conductive coating 6 is 4 ohms, for example.
  • the conductive coating 6 is preferably deposited from the gas phase, for which purpose known methods such as chemical vapor deposition (CVD) or physical vapor deposition (PVD) can be used.
  • CVD chemical vapor deposition
  • PVD physical vapor deposition
  • the coating 6 is applied by sputtering (magnetron sputtering).
  • the conductive coating 6 serves as an area antenna for receiving electromagnetic waves, preferably in the frequency range of the terrestrial broadcasting bands I and II.
  • the first coupling electrode 10 is galvanically coupled to the conductive coating 6, wherein a capacitive coupling may equally be provided.
  • the band-shaped first coupling electrode 10 consists for example of a metallic material, preferably silver, and is printed for example by means of screen printing. It preferably has a length of more than 10 mm with a width of 5 mm or larger, preferably a length of more than 25 mm with a width of 5 mm or larger.
  • the first coupling electrode 10 has a length of 300 mm and a width of 5 mm.
  • the thickness of the first coupling electrode 10 is preferably less than 0.015 mm.
  • the specific conductivity of a first coupling electrode 10 made of silver is for example 61.35 ⁇ 10 6 / ohm ⁇ m.
  • the first coupling electrode 10 extends on and in direct electrical contact with the conductive coating 6 approximately parallel to the upper coating edge 8 and extends into the carrier-free edge zone 28. It is the first coupling electrode 10 arranged so that the antenna signals of the planar antenna are optimized in terms of their reception power (signal level).
  • the conductive coating 6 is subdivided in a strip-shaped edge region 15 adjoining the support edge 29, for example by means of lasering, into a plurality of electrically insulated segments 16 between which electrically insulating (de-layered) regions 17 are located.
  • the edge region 15 runs essentially parallel to the support edge 29 and can in particular be circumferential on all sides.
  • a line-shaped, unshielded antenna conductor 12 as a line antenna for receiving electromagnetic waves, preferably in the frequency range of the terrestrial radio bands II to V, particularly preferably in the frequency range of the radio bands III to V and is designed to be suitable for this purpose.
  • the antenna conductor 12 is in the form of a wire 18, which is preferably longer than 100 mm and narrower than 1 mm.
  • the resistance of the antenna conductor 12 is preferably less than 20 ohm / m, more preferably less than 10 ohm / m.
  • the length of the antenna conductor 12 is about 650 mm with a width of 0.75 mm. Its resistance coating is for example 5 ohms / m.
  • the antenna conductor 12 has an at least approximately rectilinear profile and is located completely within the carrier-free and coating-free edge zone 28 of the composite pane 20, wherein it extends predominantly along the short pane edge 5b, for example below a vehicle trim (not shown) in the region of the masking strip 9 ,
  • the antenna conductor 12 has a sufficient distance from both the disk edge 5 and the coating edge 8, whereby a capacitive coupling with the conductive coating 6 and the vehicle body is counteracted.
  • a projection operation space 30 is bounded by a mental boundary surface 32, which is located at the coating edge 8 and 8 'and is directed perpendicular to the carrier 21.
  • the boundary surface 32 is arranged on the coating edge 8 ', since the positioning of the antenna conductor depends on the antenna function of the conductive coating 6.
  • the first coupling electrode 10 is electrically coupled to the line-shaped antenna conductor 12 at a first terminal 11, not shown.
  • the first coupling electrode 10 is galvanically coupled to the antenna conductor 12, wherein a capacitive coupling may equally be provided.
  • the first connection contact 11 of the first coupling electrode 10 or the connection point between the first coupling electrode 10 and the antenna conductor 12 can be considered as Antennenfußdazzling for tapping antenna signals of the surface antenna.
  • a second terminal contact 14 of the antenna conductor 12 serves as a common Antennenfußddling 13 for tapping the antenna signals of both the planar antenna and the line antenna. The antenna signals of the surface and the line antenna are thus provided at the second terminal contact 14.
  • the second terminal contact 14 is electrically coupled to a parasitic acting as an antenna terminal conductor 19.
  • the connection conductor 19 is galvanically coupled to the second connection contact 14, although a capacitive coupling may also be provided.
  • the hybrid antenna assembly 1 with downstream electronic components, such as an antenna amplifier, electrically connected, wherein the antenna signals are led out through the connection conductor 19 of the composite disk 20.
  • the connecting conductor 19 extends from the adhesive layer 21 on the disc edge 5 across the fourth disc surface 27 (page IV) and then leads away from the composite disc 20.
  • connection conductor 19 is as short as possible and its parasitic effect is minimized as an antenna, so that it is possible to dispense with the use of a conductor designed specifically for high-frequency technology.
  • the connection conductor 19 is preferably shorter than 100 mm. Accordingly, the connection conductor 19 is here for example designed as unshielded stranded wire or foil conductor, which is inexpensive and space-saving and can also be connected via a relatively simple connection technology.
  • the transparent, electrically conductive coating 6, depending on the material composition, fulfill other functions.
  • it may serve as a heat ray-reflecting coating for purposes of sunscreen, thermoregulation or thermal insulation or as a heating layer for electrically heating the composite disk 20.
  • These functions are of secondary importance to the present invention.
  • the outer pane 2 is provided with an opaque ink layer, which is applied to the second pane surface 25 (page II) and forms a frame-shaped circumferential masking strip 9, which is not shown in detail in the figures.
  • the color layer is preferably made of an electrically non-conductive, black-colored material that can be baked into the outer pane 2.
  • the masking strip 9 on the one hand prevents the view of an adhesive strand, with which the composite disc 20 can be glued into a vehicle body, on the other hand it serves as UV protection for the adhesive material used.
  • the surface coating serving as a conductive coating 6 is provided with two adjacent to the long edge of the disk 5a projecting surface areas, each serving as a second (capacitive) coupling electrode 36, 36 '.
  • the two planar projections at least approximately a rectangular shape, while equally any other suitable for use form may be provided.
  • the conductive coating 6 has no segmented edge region 15 in the surface sections adjoining the two second coupling electrodes 36, 36 '.
  • the two second coupling electrodes 36, 36' each extend into the otherwise coating-free edge strips 7.
  • the carrier 4 passes with the conductive coating 6 in a juxtaposition with an electrically conductive structure 37 and is capacitively coupled thereto. More precisely, there is a first surface portion 40, 40 'of the coating 6, which corresponds to the second coupling electrode 36, 36' and serves as a first capacitive coupling surface, in parallel juxtaposition to a second surface portion 41 of the electrically conductive structure 37, which as a second capacitive coupling surface (Coupling mating surface) is used, wherein the two first coupling surfaces are capacitively coupled to the second coupling surface.
  • the electrically conductive structure 37 may be, for example, the body of a motor vehicle.
  • the electrically conductive structure 37 is fixedly connected to the fourth disk surface 27 of the inner pane 3 here, for example, by means of an adhesive bead 38. Accordingly, the conductive coating 6 is capacitively coupled to the electrically conductive structure 37 via the two second coupling electrodes 36, 36 '. As in Fig. 2D is shown, the conductive coating 6 outside the two second coupling electrodes 36, 36 'is not in juxtaposition to the conductive structure 37, so that it is capacitively not coupled to the conductive structure 37.
  • various sources of interference such as clocked electrical equipment, such as sensors, cameras, engine control unit and the like, emit electromagnetic interference in the form of electromagnetic free space waves that can be received by serving as a surface antenna conductive coating 6 due to the large antenna surface.
  • clocked electrical equipment such as sensors, cameras, engine control unit and the like
  • Fig. 1 two physical interference sources 39, 39 'are based on their projection locations in the region of the coating-free region Edge strip 7 at the upper and lower long disc edge 5a schematically illustrated.
  • the interfering signals of the two interference sources 39, 39 'received by the planar antenna have in the two interference source surface zones 42, 42' a maximum signal amplitude or a signal amplitude which lies above a determinable amplitude value.
  • the points of the upper disturbance source area 42 have a shortest (for example, perpendicular) distance from the upper disturbance source 39 and the points of the lower disturbance source area 42 'a shortest (for example, perpendicular) distance from the lower disturbance source 39'.
  • the shapes of the noise source surface zones 42, 42 ' depend on the respective shapes of the noise sources 39, 39', it being understood that the in Fig. 1 illustrated forms are to be considered as exemplary only.
  • the second coupling electrode 36 is disposed in the vicinity of the first coupling electrode 10 and is located between the first coupling electrode 10 and the upper Störttlen Chemistryzone 42 of the upper interference source 39.
  • the second coupling electrode 36 has here, for example, a geometric distance from the first coupling electrode 10, the is less than 7.5 cm, corresponding to a quarter of the minimum wavelength of interfering signals in the frequency range of terrestrial bands III-V.
  • the second coupling electrode 36 ' is arranged in the vicinity of the lower interference source surface zone 42' of the lower interference source 39 '.
  • the second coupling electrode 36 ' has a geometric distance from the lower interference source surface zone 42', which is less than 7.5 cm.
  • the two second coupling electrodes 36, 36 ' together with the coupling mating surface of the conductive structure 37 a frequency-selective transmission behavior and act as a high-pass filter, the two second coupling electrodes 36, 36' and the coupling mating surface of the conductive structure 37 are formed here, for example, that they only allow frequencies above 170 MHz to pass.
  • the two second coupling electrodes 36, 36 'thus act frequency selective for the terrestrial bands III-V. In the present case, it is assumed that the interference signals of the two interference sources 39, 39 'are in a frequency range above 170 MHz.
  • the desired frequency selectivity can be achieved in a simple manner by adjusting the capacitive properties of the second coupling electrodes 36, 36 'capacitively coupled to the conductive structure 37. For this purpose, it is only necessary that Adjust the size of the opposing (capacitively active) areas of the second coupling electrodes 36, 36 'and the conductive structure 37 and the size of the intermediate distance of these capacitively active areas appropriately.
  • the interference signals received by the upper interference source 39 are thus coupled out of the upper second coupling electrode 36 from the conductive surface coating 6 as a surface antenna due to the frequency-selective transmission behavior of the upper second coupling electrode 36.
  • the interference signals of the upper interference source 39 are coupled out of the second coupling electrode 36 predominantly from a surface section of the conductive coating 6 containing the upper interference source area zone 42 and the upper second coupling electrode 36.
  • the interfering signals received from the lower interfering source 39' are primarily from the lower second coupling electrode 36 'made of the conductive coating 6 decoupled.
  • the spatial proximity of the second coupling electrode 36 'to the lower Störttlen conductingzone 42' causes signal differences in potential differences between a lower Störttlen conductingzone 42 'containing surface portion and the lower second coupling electrode 36', which are greater than potential differences between this surface portion and the first coupling electrode 10, so that These interference signals are primarily decoupled via the lower second coupling electrode 36 '.
  • the first coupling electrode 10 can decouple antenna signals from surface regions of the conductive coating 6 that are different from the interference source surface zones 42, 42, in which potential differences with respect to the first coupling electrode 10 occur during signal reception which are greater than potential differences with respect to the two second coupling electrodes 36 , 36 '.
  • Useful signals which lie in the frequency range coupled out as interference signals via the electrically conductive structure 37 (ground) can be received in an advantageous manner via the antenna conductor 12 serving as a line antenna, so that virtually no signal loss occurs.
  • the antenna conductor 12 is by the interference signals of the interference sources 39, 39 'not or only in negligible Way disturbed.
  • the antenna arrangement 100 with hybrid antenna structure 1 is thus distinguished by an outstanding signal / noise ratio.
  • FIGS. 3A and 3B shows a first variant of the antenna arrangement 100 with hybrid antenna structure 1.
  • FIGS. 1 . 2A and 2 B shows a first variant of the antenna arrangement 100 with hybrid antenna structure 1.
  • no support 4 is provided for the conductive coating 6 in the composite pane 20, since this is applied to the third pane surface 26 (side III) of the inner pane 3.
  • the conductive coating 6 does not extend all the way to the wafer edge 5, so that an edge strip 7 of the third wafer surface 26 which runs around on all sides and remains free of coating remains.
  • the width of the peripheral edge strip 7 can vary widely.
  • the width of the edge strip 7 is in the range of 0.2 to 1.5 cm, preferably in the range of 0.3 to 1.3 cm and particularly preferably in the range of 0.4 to 1.0 cm.
  • the edge strip 7 serves in particular for an electrical insulation of the conductive coating 6 to the outside and for reducing a capacitive coupling with surrounding conductive structures.
  • the edge strip 7 can be produced by subsequent removal of the conductive coating 6, for example by abrasive removal, laser ablation or etching, or by masking the inner pane 3 before the application of the conductive coating 6 to the third pane surface 26.
  • the antenna conductor 12 serving as a line antenna is applied to the third disk surface 26 in the region of the coating-free edge strip 7.
  • the antenna conductor 12 is formed in the form of a flat conductor track 35, which is preferably applied by printing, for example screen printing, a metallic printing paste.
  • the line antenna and the surface antenna are on the same surface (page III) of the inner pane 3.
  • the band-shaped first coupling electrode 10th extends beyond the line-shaped antenna conductor 12 and is galvanically coupled thereto, wherein a capacitive coupling may equally be provided.
  • the antenna radiator 12 is located outside the in Fig. 3A illustrated space 30, in which each point can be imaged by orthogonal parallel projection on the surface antenna, so that the line antenna is not electrically charged by the surface antenna.
  • Fig. 3A is the space 30 bounding (imaginary) boundary surface 32, which is directed perpendicular to the third disc surface 26 and at the coating edge 8 and 8 '(in the edge region 15) is arranged schematically.
  • the line-shaped antenna conductor 12 is located in an unspecified space in which each point can be imaged by orthogonal parallel projection on the non-coating edge strip 7 serving as a projection surface. An electrical load on the line antenna by the planar antenna is thereby avoided in an advantageous manner.
  • FIGS. 4A and 4B a second variant of the antenna arrangement 100 is shown with hybrid antenna structure 1, wherein only the differences from the first variant of FIGS. 3A and 3B Be described and otherwise made to the statements made there reference. Accordingly, no composite disk 20 but only a single-pane glass with a single pane corresponding to, for example, outer pane 2 is provided.
  • the conductive coating 6 is applied to the first pane surface 24 (side I), wherein the conductive coating 6 does not extend all the way to the pane edge 5, so that a circumferential, coating-free edge strip 7 of the first pane surface 24 remains on all sides.
  • connection conductor 19 makes contact with the second connection contact 14 of the antenna conductor 12 and then leads away from the antenna conductor 12 on the same side of the outer pane 2.
  • a carrier 4 is provided in the composite disk 20, on which the conductive coating 6 is applied.
  • the band-shaped first coupling electrode 10 is applied to the fourth surface (side IV) of the inner pane 3 and capacitively coupled to the conductive coating 6 serving as a planar antenna.
  • Serving as a line antenna antenna conductor 12 is also on the fourth disc surface 27 of the inner pane 3, for example by printing, for example screen printing, applied and galvanically coupled to the coupling electrode, but equally a capacitive coupling can be provided.
  • the patch antenna and the line antenna are on different surfaces of mutually different substrates.
  • the antenna conductor 12 is located outside the space 30, in which each point can be imaged by orthogonal parallel projection on the surface antenna 6, so that the line antenna is not electrically stressed by the planar antenna.
  • the connecting conductor 19 contacts the antenna conductor 12 and leads away directly from the composite disk 20.
  • FIG. 6 a fourth variant of the antenna arrangement 100 is shown with hybrid antenna structure 1, wherein only the differences from the third variant of Fig. 5A and 5B Be described and otherwise made to the statements made there reference.
  • the line-shaped antenna conductor 12 formed as a flat conductor track 35 is applied to the third disk surface 26 of the inner disk 3.
  • a second connecting conductor 34 is applied to the antenna conductor 12 at the base of the antenna and extends over the short disk edge 5b to the fourth disk surface 27 (side IV) of the inner disk 3.
  • the second connecting conductor 34 is galvanically coupled to the antenna conductor 12, where equally a capacitive coupling can be provided.
  • the second connection conductor 34 may be made of the same material as the coupling electrode 10, for example.
  • the connecting conductor 19 contacts the second connecting conductor 34 on the fourth disk surface 27 and leads away from the composite disk 20.
  • the width (dimension perpendicular to the extension direction) of the second connecting conductor 34 designed as a band-shaped flat conductor preferably tapers towards the short disk edge 5b, so that a capacitive coupling between the conductive coating 6 and the electrically conductive vehicle body can be counteracted.
  • a second embodiment of the antenna arrangement according to the invention is illustrated with hybrid antenna structure 1, wherein only the differences from the first embodiment of the FIGS. 1 . 2A and 2 B Be described and otherwise made to the statements made there reference.
  • a composite disk 20 is provided with a carrier 4 embedded in the adhesive layer 21 and a transparent, conductive coating 6 applied on the second carrier surface 23.
  • the conductive coating 6 is applied over the entire surface of the second support surface 23, wherein a segmented edge region 15 is not formed, however, may be provided equally.
  • the first coupling electrode 10 is located on the conductive coating 6 and is galvanically coupled thereto, but equally a capacitive coupling can be provided.
  • the first coupling electrode 10 extends over the upper, long disk edge 5a on the fourth disk surface 27 (side IV) of the inner pane 3.
  • the line-shaped antenna conductor 12 is analogous to that in connection with Fig. 5A and 5B described third variant of the first embodiment as a conductor 35 applied to the fourth disc surface 27 of the inner pane 3.
  • the first coupling electrode 10 is located on the antenna conductor 12 and is galvanically coupled thereto, but equally a capacitive coupling can be provided.
  • the antenna conductor 12 is located outside of the space 30 in which each point can be imaged by orthogonal parallel projection on the surface antenna, so that the line antenna is not electrically charged by the surface antenna.
  • the connecting conductor 19 contacts the antenna conductor 12 and leads away directly from the composite disk 20.
  • Fig. 9 a variant is shown, wherein to avoid repetition, only the differences from the second embodiment of Fig. 7 . 8A and 8B be explained.
  • the first coupling electrode 10 is formed only in the region of the conductive coating 6, this is in direct contact and is thus galvanically coupled to the conductive coating 6, wherein a capacitive coupling may equally be provided.
  • a first connecting conductor 33 is in direct contact with its one end of the first coupling electrode 10 and is galvanically connected to the conductive Coating 6 coupled, but equally a capacitive coupling can be provided.
  • the first connection conductor 33 extends beyond the upper long disk edge 5a to the fourth disk surface 27 (side IV) of the inner disk 3 and contacts with its other end the antenna conductor 12 formed as a conductor.
  • the first connection conductor 33 is in direct contact with the antenna conductor 12 and is, for example, galvanically coupled to it via a soldering contact, but equally a capacitive coupling can be provided.
  • the first connection conductor 33 may, for example, be made of the same material as the first coupling electrode 10, so that the first coupling electrode 10 and the first connection conductor 33 may together also be regarded as a two-part coupling electrode.
  • the width (dimension perpendicular to the extension direction) of the band-shaped flat conductor formed first connection conductor 33 preferably tapers towards the long edge of the disk 5 a, so that a capacitive coupling between the conductive coating 6 and the vehicle body can be counteracted.
  • the invention provides an antenna arrangement with a hybrid antenna structure, which enables a bandwidth-optimized reception of electromagnetic waves, wherein a satisfactory reception performance can be achieved by the combination of surface and line antenna over the entire frequency range of the bands I-V. Due to the possibility that noise signals from external interference sources received by the planar antenna as free space waves can be coupled out via a mass capacitively coupled to the planar antenna, the antenna arrangement has an excellent signal-to-noise ratio.

Landscapes

  • Details Of Aerials (AREA)
  • Support Of Aerials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Structure Of Receivers (AREA)

Claims (7)

  1. Agencement d'antenne (100), qui comprend :
    - au moins un substrat (2-4) électriquement isolant, transparent,
    - au moins un revêtement (6) conducteur d'électricité et transparent, qui couvre une surface (22-27) du substrat au moins par sections et sert s d'antenne au moins par sections pour la réception des ondes électromagnétiques,
    - au moins une première électrode de couplage, électriquement couplée avec le revêtement (6) conducteur (10) pour le découplage de signaux utiles de l'antenne de surface, où la première électrode de couplage (10) est électriquement couplée avec un conducteur d'antenne non blindé, linéaire (12), qui sert d'antenne linéaire pour la réception d'ondes électromagnétiques, où le conducteur d'antenne linéaire se trouve à extérieur d'une zone (30), pouvant être projetée par projection orthogonale parallèle sur l'antenne de surface servant de surface de projection, par lequel une base d'antenne de l'antenne linéaire devient une base d'antenne commune (13) de l'antenne linéaire et l'antenne de surface,
    - au moins une source d'interférence (39, 39'), qui est organisé de telle manière que des signaux parasites de l'antenne peuvent être reçus,
    - une structure, conductrice d'électricité (37), servant de masse, par exemple une carrosserie métallique d'automobile ou un encadrement de fenêtre métallique,
    - au moins une deuxième électrode de couplage (36, 36'), électriquement couplée avec le revêtement (6) conducteur pour le découplage des signaux parasites de ladite au moins une source d'interférence (39, 39') de l'antenne de surface, où ladite au moins une deuxième électrode de couplage (36, 36') dispose d'une première surface de couplage (40, 40') et la structure conductrice (37) dispose d'une deuxième surface de couplage (41) couplée de manière capacitive à la première surface (43) de couplage et les surfaces de couplage (40, 40', 41) sont conçues de telle manière, qu'elles sont sélectivement perméable pour une gamme de fréquences, qui correspond aux signaux parasites à découpler de l'antenne de surface, où au moins une deuxième électrode de couplage (36, 36') est conçue sous la forme d'une section de bord saillante du revêtement conducteur (6).
  2. Agencement d'antenne (100) selon la revendication 1, caractérisé en ce que ladite au moins une deuxième électrode de couplage (36, 36') est disposée à proximité de la première électrode de couplage (10), et en particulier la distance de la première électrode de couplage (I0) est inférieure à un quart de la longueur d'onde minimale des signaux parasites.
  3. Agencement d'antenne (100) selon l'une des revendications 1 ou 2, caractérisé en ce que ladite au moins une deuxième électrode de couplage (36, 36') est disposée entre une zone de surface source de parasites (42, 42') du revêtement conducteur (6), dont les points ont la plus courte distance de ladite au moins une source d'interférence (39, 39'), et la première électrode de couplage (10).
  4. Agencement d'antenne (100) selon l'une des revendications 1 à 3, caractérisé en ce qu'une distance géométrique entre ladite au moins une deuxième électrode (36, 36') de couplage et une zone de surface source de parasites (42, 42') du revêtement conducteur (6), dont les points ont la plus courte distance de ladite au moins une source d'interférence (39, 39'), est inférieure à une distance géométrique entre la première électrode de couplage (10) et la zone de surface source d'interférence (42, 42').
  5. Agencement d'antenne (100) selon la revendication 3 ou 4, caractérisé en ce que la distance entre ladite au moins une deuxième électrode (36, 36') de couplage et la zone de surface source d'interférence (42, 42') est inférieure à un quart de la longueur d'onde minimale des signaux parasites.
  6. Agencement d'antenne (100) selon l'une des revendications 1 à 5, caractérisé que les surfaces de couplage (40, 40', 41) couplées de manière capacitive de ladite au moins une deuxième électrode de couplage (36, 36') et la structure conductrice (37) sont conçues de telle manière à être sélectivement perméables pour une bande de fréquence supérieure à 170 MHz.
  7. Procédé pour le fonctionnement d'un agencement d'antenne (100), avec les étapes suivantes:
    - réception de signaux utiles par le biais d'une antenne de surface, qui est conçue sous la forme d'un revêtement conducteur transparent (6) appliqué sur au moins un substrat (2-4) électriquement isolant, transparent,
    - découplage des signaux utiles de l'antenne de surface par le biais d'une première électrode de couplage (10) électriquement couplée avec le revêtement (6), où la première électrode de couplage (10) est électriquement couplée avec un conducteur d'antenne non blindé linéaire (12), qui sert d'antenne linéaire pour la réception d'ondes électromagnétiques, où le conducteur d'antenne linéaire se trouve à l'extérieur d'un espace (30) pouvant être projetée par projection orthogonale parallèle sur l'antenne de surface servant de surface de projection, par lequel une base d'antenne de l'antenne linéaire devient une base d'antenne commune (13) de l'antenne linéaire et l'antenne de surface,
    - découplage sélectif de signaux parasites reçus par l'antenne d'au moins une source d'interférence (39, 39') de l'antenne de surface, à l'aide d'une deuxième électrode de couplage (36, 36') couplée électriquement au revêtement (6), qui est couplée de manière capacitive avec une structure conductrice, servant de masse (37), par exemple, une carrosserie métallique de véhicule ou un encadrement de fenêtre métallique, où la deuxième électrode de couplage (36, 36') dispose d'une première surface de couplage (40, 40') et la structure conductrice (37) dispose d'une deuxième surface de couplage (41) couplée de manière capacitive à la première zone de couplage (40, 40'), et où les signaux parasites reçus de l'antenne de surface sont découplés de l'antenne de surface par le biais d'au moins une deuxième électrode de couplage (36, 36') sous la forme d'une section de bord saillante du revêtement conducteur (6).
EP11733603.2A 2010-06-14 2011-06-14 Structure d'antenne avec rapport signal/bruit amélioré Active EP2580807B1 (fr)

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EP11733603.2A EP2580807B1 (fr) 2010-06-14 2011-06-14 Structure d'antenne avec rapport signal/bruit amélioré
PL11733603T PL2580807T3 (pl) 2010-06-14 2011-06-14 Układ antenowy o poprawionym stosunku sygnału do szumu

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EP10165892A EP2400591A1 (fr) 2010-06-14 2010-06-14 Structure d'antenne avec rapport signal/bruit amélioré
EP11733603.2A EP2580807B1 (fr) 2010-06-14 2011-06-14 Structure d'antenne avec rapport signal/bruit amélioré
PCT/EP2011/059807 WO2011157689A2 (fr) 2010-06-14 2011-06-14 Agencement et conception d'antenne présentant un rapport signal-bruit amélioré

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CN102934282A (zh) 2013-02-13
CN102934282B (zh) 2015-10-14
PL2580807T3 (pl) 2020-01-31
US9929464B2 (en) 2018-03-27
PT2580807T (pt) 2019-10-31
MX2012011447A (es) 2013-02-07
KR20130079392A (ko) 2013-07-10
EP2400591A1 (fr) 2011-12-28
JP2013534095A (ja) 2013-08-29
ES2749880T3 (es) 2020-03-24
WO2011157689A3 (fr) 2012-03-15
EA201291353A1 (ru) 2013-04-30
BR112012022652A2 (pt) 2016-11-01
JP5650840B2 (ja) 2015-01-07
WO2011157689A2 (fr) 2011-12-22
EP2580807A2 (fr) 2013-04-17
US20130141289A1 (en) 2013-06-06
EA030071B1 (ru) 2018-06-29
KR101513787B1 (ko) 2015-04-20

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