EP2225795B1 - Champ d'antenne pour une glace de véhicule automobile - Google Patents

Champ d'antenne pour une glace de véhicule automobile Download PDF

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Publication number
EP2225795B1
EP2225795B1 EP09728246A EP09728246A EP2225795B1 EP 2225795 B1 EP2225795 B1 EP 2225795B1 EP 09728246 A EP09728246 A EP 09728246A EP 09728246 A EP09728246 A EP 09728246A EP 2225795 B1 EP2225795 B1 EP 2225795B1
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EP
European Patent Office
Prior art keywords
heating
antenna panel
panel according
capacitance
window
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Active
Application number
EP09728246A
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German (de)
English (en)
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EP2225795A1 (fr
Inventor
Thomas Lankes
Anton Ilsanker
Gerald Schillmeier
Bülent SOLAN
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Kathrein SE
Original Assignee
Kathrein Werke KG
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Publication of EP2225795A1 publication Critical patent/EP2225795A1/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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1271—Supports; Mounting means for mounting on windscreens
    • H01Q1/1278—Supports; Mounting means for mounting on windscreens in association with heating wires or layers
    • 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
    • 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

Definitions

  • the invention relates to an antenna field for a motor vehicle window, in particular a motor vehicle rear window according to the preamble of claim 1.
  • a bus bar is provided in the rectangular or trapezoidally shaped rear window on the left and right sides, between which run in the direction parallel to each other, the individual heating wires.
  • Each of the two busbars is connected to the pole of a vehicle battery.
  • transverse secondary conductors can be provided which are fundamentally suitable for improving the reception qualities of such a rear window antenna. Since these secondary conductors extend on the aforementioned equipotential lines, it is essentially ensured that no cross-currents flow here between the heating wires.
  • Such, serving as an antenna field rear window heater may comprise a heating field or more heating fields. It is also possible that in addition to the heating field, a separate or additional antenna array is provided. Even if only one antenna field completely separate from the heating field were provided in a pane, in particular in the rear window of the motor vehicle, the adjacent heating field would have repercussions on the antenna field, i. ultimately affect the reception quality of the antenna field with.
  • the housed in the rear windows antenna and / or heating panels are often used for radio reception, especially the reception of radio and TV programs in the LW, MW, KW, FM and / or microwave range.
  • Corresponding heating and / or antenna fields are for example from the DE 100 33 336 A1 , of the DE 43 21 805 A1 , of the EP 1 366 540 B1 as well as the DE 43 23 239 C2 known.
  • a capacitance is additionally connected between the two busbars.
  • the heater also serves as an antenna system.
  • the antenna itself comprises a plurality of substantially horizontally oriented and parallel with offset heating wires, which from a left to a right busbar run.
  • a conductor wire is provided in the middle extending transversely to a middle equipotential line, which connects the plurality of transverse thereto heating wires electrically-galvanically.
  • another shorter conductor wire is arranged parallel to the top heating wire, which results in a capacitive coupling to the adjacent heating wire.
  • the antenna pickup then takes place via this conductor wire.
  • the capacity should be less than 40 pF, since otherwise it would be nonsensical to increase the coupling capacity beyond 40 pF.
  • the DE 195 41 083 A1 describes in the context of an embodiment that a vertically extending to the horizontally extending Scheibenchaindrumblete conductor wire is additionally provided. Separated from this, a vertical conductor wire is also provided in the lower heating field, which is capacitively coupled to the vertical conductor wire provided in the upper heating field via a capacitor, which, however, is formed only by the heating wires themselves.
  • a vehicle antenna is further from the DE 44 47 134 A1 to be known as known.
  • heating and antenna fields are described, which are basically U-shaped, ie, for example, on the right edge of the disc in two linear extension to each other and separate busbars comprise, starting from which, in parallel position heating wires extend to an opposite common busbar.
  • a special film-like conductor is attached to the window above the actual heating field, and although on the inner surface of the windowpane. As a result, a slot antenna can be formed between the body and the film-like conductor.
  • a capacitor for bridging between the film-type conductor and the one bus bar is used. This causes a galvanic isolation to the heating field, although at the same time the RF antenna signals can be forwarded via the film-like conductor to the inner conductor of the coaxial cable.
  • the object of the present invention in contrast, is to provide an improved antenna panel integrated in a pane which consists wholly or partly of the heating field or comprises it and / or is provided as separate separate or additional antenna field next to the heating field.
  • the advantages according to the invention arise not only when the entire heating field is also used as an antenna field, but above all even if the heating field is split into several heating fields, individual heating fields, for example, serve as an antenna field or even one of the one or several heating fields remote pure antenna field is provided.
  • busbar structure in which the busbars are provided on one or at least two non-opposite sides of the disc, usually on the lower, usually more or less horizontally extending side of the window. It should also be possible within the scope of the invention that the two busbars are wholly or substantially not provided on opposite sides of a window or a window, so for example wholly or partially on the underside of a window and wholly or partly on a right or left side of the automobile window.
  • an improvement of the antenna characteristic, in particular of the reception quality, is realized in that a busbar and a rather middle section of a heating wire (the mean distance should be between 20% and 80% of the total length of a corresponding heating wire) means connected to a capacity.
  • such a capacitance can also be connected between two heating wires connected to the respective busbars, namely preferably between a middle section of two corresponding heating wires, wherein the middle section of the two heating wires should again preferably be between 20% and 80% of the total length of the relevant heating wire ,
  • a capacitance is additionally connected directly between the two busbars.
  • the mentioned capacities i. the at least one capacitance in each case should be connected and / or provided as far as possible in a direct connection between the relevant connection points on the busbar sections and / or the preferably central sections of the mentioned heating wires, since preferably in addition to the capacitance other components as well, e.g. an inductance may be provided to produce a series resonant circuit.
  • this capacity is still provided at the level of the disc material.
  • the capacity is realized in the form of a discrete or concentrated component.
  • the at least one capacitance can be soldered via wires, for example, as an electrolytic capacitor (ELKO capacitance). Also suitable are ceramic capacitors, flexible printed circuit boards etc.
  • ELKO capacitance electrolytic capacitor
  • ceramic capacitors flexible printed circuit boards etc.
  • a favorable order of magnitude for the capacity is, for example, between 50 pF and 10 ⁇ F. Frequently values above 0.1 nF or above 0.1 ⁇ F and in particular above 0.5 nF or above 0.5 ⁇ F will suffice for FM reception.
  • the capacitive coupling can also be realized by a plurality of capacitors connected in series or, for example, by a series resonant circuit of capacitor and coil, etc.
  • a center tap between two capacitors connected in series which is directly or e.g. is grounded via a throttle (in particular to body ground).
  • a throttle in particular to body ground
  • antenna properties can be realized by the solution according to the invention, which have a lower frequency dependence, i.e. a lower frequency dependence, than a comparable antenna and heating field. So have a larger bandwidth.
  • a suppression or shift of the resonance behavior of the heating element for high-frequency signals can be realized in the invention, a suppression or shift of the resonance behavior of the heating element for high-frequency signals.
  • the invention is particularly suitable for new geometries for heating panels.
  • the invention therefore has particular advantages when heating fields are used, which comprise, for example, trapezoidal spaced apart or even after concentric circles or ovals, etc. formed heat conductor.
  • the heating conductors should have a similar overall length (so that an approximately comparable thickness of the Heating conductor results - to produce comparable total resistance per heating wire), can be thought in a formed from concentric circles in a similar arrangement heating field, to connect inside heating conductor at one end to produce a total of longer heating conductors.
  • At least one capacitance can also be switched directly at the corresponding points to one of the busbars and / or also between the heat conductors with each other or between a heat conductor and a busbar, which contribute to similar improvements of the antenna field, as described above with reference to FIGS Busbar switched capacity was explained. This is particularly important when due to the interconnection of conductors for the production of heaters with greater overall length, no lying on equipotential surfaces secondary conductors are switchable.
  • FIG. 1 is a schematic front view of a disc 1, for example, a motor vehicle, in particular a rear window 1 'indicated that in schematic view an upper boundary or boundary edge 1a, a lower boundary or boundary edge 1b and a left and a right boundary or boundary edge 1c and 1d ,
  • these boundary edges are not in pairs parallel to each other, but curved, more approximate to a trapezoidal shape or the like, since the windows are usually wider from top to bottom. Restrictions on the shape of the discs are so far not given, so that even any curved boundary lines are conceivable.
  • a heating field 7 is integrated, which comprises a plurality of outside or inside the disk extending conductors 9, which in the shown Embodiment after FIG. 1 between a first and a second busbar 11, in the illustrated embodiment between the left busbar 11a and a subsequent right busbar 11b extend.
  • the heating field 7 forms in the embodiment FIG. 1 an antenna field 5.
  • Each busbar is associated with a supply or connecting line 13a or 13b, wherein, for example, the connection line 13a is connected to the battery supply network on board the motor vehicle (usually the positive pole) and the other supply line 13b to the other pole, for example the body ground.
  • connection or supply lines are usually blocking circuits to prevent flow of high-frequency currents.
  • the individual conductors 9 are provided extending in a more or less equidistant arrangement between the busbars due to the selected geometry for the heating field, with an always constant distance is not mandatory or at least not over the entire length of the individual heating element is necessary.
  • the geometry is selected such that the two busbars 11a and 11b are provided on one side of the disk, in the embodiment shown in the region of the lower boundary 1b, wherein the busbars are arranged symmetrically to a central plane of symmetry 14. In FIG.
  • the heat conductors 9 are for example partially circular or even semicircular in the illustrated embodiment, but may also have other waveforms, here semi-oval, etc., wherein the radii or diameter from inside to outside are increasingly larger, so that the length of the individual heating increases from the inside out.
  • a secondary line 15 is provided, which connects the outer eight heating conductors in the middle and serves as Antennenabgriffstechnisch 17.
  • Such a secondary line 15 is galvanically considered on equipotential surfaces, whereby the DC distribution of the heating field is not changed. Nevertheless, this improves the antenna receiving characteristic, which is well known.
  • two further Antennenabgriffs effeten 117 are connected to the respective opposite outer ends of the two busbars 11a and 11b, but which may also be connected elsewhere in the busbar or the heating field, possibly even with the feed lines 13a or 13b may coincide.
  • two heating field connections 13a and 13b and three antenna tapping connections 17, 117 are provided. But the number of connections can also be different, especially if, for example split heat fields are provided, which not only run between two busbars (for example, known from the DE 100 33 336 A1 or the DE 43 21 805 A1 ).
  • the two bus bars 11 are further provided lying in a horizontal line, in axial extension to each other (even if the disc top view may be curved), wherein the two busbars at its inner end 11'a and 11'b via a interconnected capacitance 19 are interconnected.
  • the distance space 121 formed between the two ends 11'a and 11'b of the two busbars 11a and 11b is small in size and has a length between the two busbars, which are preferably less than five times, four times, in particular less than the three or three even equal to twice the distance between two adjacent heating conductors.
  • the capacitance can consist of one or more discrete or concentrated components, preferably of a capacitor 119 connected by wiring.
  • this can be designed as an SMD component, although a capacitance with at least two plane-parallel capacitance surfaces also arises from capacitor surfaces or foils applied parallel to the disk surface and an interposed insulator surface are conceivable.
  • the capacitance may also consist of an electrolytic capacitor with corresponding wiring, ceramic capacitors, flexible printed circuit boards, etc. Limited to specific capacitor types or capacitor types do not exist.
  • the capacities in question should preferably be between 50 pF and 10 ⁇ F, in particular in a range of greater than 0.1 nF or 0.1 ⁇ F and in particular greater than 0.5 nF or greater than 0.5 ⁇ F.
  • the capacities should be greater than 50 pF, 0.1 nF, 0.25 nF, 0.5 nF, 1 nF or even greater than 3 nF or 5 nF or greater than 0.1 ⁇ F, 0, 25 ⁇ F, 0.5 ⁇ F, 1 ⁇ F or even greater than 3 ⁇ F or even 5 ⁇ F.
  • capacitance values less than 10 ⁇ F, less than 5 ⁇ F, less than 1 ⁇ F and possibly even less than 0.5 ⁇ F make sense and are possible for certain applications.
  • Such a trained antenna is particularly suitable in the frequency range of, for example, 125 KHz to 1.6 GHz. In the broadcasting sector, the antenna is particularly suitable for frequency ranges from 70 MHz to 900 MHz.
  • the inner heating conductors are much shorter than the outside, the outer, ie longer heating conductors would have to be designed to be increasingly thicker in order to produce comparable heating power per heat conductor.
  • connection points 109 'and 109 "of these two heating conductors on the busbars 11a and 11b are provided in the embodiment shown directly on the two mutually facing ends 11'a and 11'b of the two busbars 11a and 11b, which are of different lengths in this geometry. This results in a heating conductor consisting of the heating conductor 9a, the connection or the so-called connecting portion 9c and the further returning heating conductor 9b, this heating conductor as the aforementioned capacity 19 at the two closely spaced end portions 11'a and 11'b of the busbars 11a and 11b is connected.
  • a further capacitor 19 ' is provided, which is now connected and / or formed between the connection 9c of the two interconnected heating conductors 9a and 9b on the one hand and on the adjacent busbar 11b to the other is.
  • a concentrated or discrete component in the form of a capacitor 119 ' is preferably used with corresponding connection points or corresponding wiring.
  • the additional capacity 19 ' preferably in the form of an additional capacitor 119', between the one busbar 11b and a rather middle section of the continuous heating line, the middle section 9c connecting the two heating wires 9a and 9b preferably being between 20% and 80% of the total length of the heating wire formed by the heating wires 9a, 9b and the connecting line 9c, ie in the range of one connection end calculated above 20%, in particular above 30%, 40%, 50% and of the second terminal end calculated just below 80%, in particular below 70%, 60% or 50%.
  • the connecting portion 9c is in a range of 40% to 50% of the total length of this heating wire formed from the heating wires 9a, 9b and the connecting portion 9c.
  • the illustrated example with the compound 9c can also find application for more heating and is not limited only to the two innermost heating element.
  • FIG. 2 also shows that, in addition to the heating field connected as an antenna field, an additional second separate antenna field 5 'with antenna conductors 105 is also provided which has, for example, a further connection 105a for connection to a downstream receiving unit (for example car radio).
  • a downstream receiving unit for example car radio
  • a plurality of capacitors and / or capacitors can also be connected in series on the connection path 21 between the two busbars 11a and 11b, and even taps and connections between the capacitances and body ground are possible.
  • further components such as e.g. To switch coils on the connecting line 21 between the two busbars 11a and 11b.
  • a connection between the two busbars and the interposition of capacitors via ground is excluded.
  • the same applies to the further capacity 19 ', 119' which is provided between two interconnected heating conductors and a busbar (if necessary, several pairs of heating elements can be interconnected, so that even more capacity bridges can be provided).
  • the compound 9c is preferably aligned parallel to the adjacent busbar 11b and is there at a small distance to the busbar 11b.
  • This distance between the connection 9c and the adjacent busbar 11b should preferably be less than 80%, in particular 60%, 45%, 20% or even less than 10% of the length of the connection 9c.
  • the two busbars could also be provided on different, non-opposite sides of the disc 1.
  • busbar 11a in the area the lower limit 1b of the disc 1 is provided, whereas the second busbar 11b is arranged to extend, for example, on the right edge 1d of the disc 1 in the vertical direction.
  • so part-circular or partially oval-shaped, curved heating conductors are provided.
  • the two innermost heating conductors 9a and 9b are connected together at one end via a transverse connection 9c and their opposite heating conductor ends are connected to the two busbars 11a and 11b, the two busbars also terminating at a small distance from each other and in the free space 121, the mentioned capacitance 19 in the form of the capacitor 119 is connected on the connecting path 21 between the two busbar ends 11'a and 11'b.
  • the busbar 11b which is provided predominantly on the right-hand side 1d on the disk 1 with its section 11'b, is also provided with an angled extension 111b, which again extends at the lower disk edge 1b in the immediate extension of the first busbars 11a provided there.
  • connection 9c between the two innermost heating conductors 9a and 9b a longer heating conductor is again provided here, whereby it is achieved that the thicknesses of the heating wires do not have to vary so much from the inside to the outside due to the different lengths.
  • the mentioned connection 9c between the two innermost heating conductors 9a and 9c is in turn also electrically connected via a further capacitance 19 'in the form of a capacitor 119' to the right busbar 11b connected.
  • the outer heating conductors 9 (with the exception of the two innermost interconnected heating conductors 9a and 9b) are connected via a secondary line 15, which thus lies on the equipotential surfaces, whereby no transverse currents flow between the individual heating conductors.
  • FIG. 4 Reference is made to a slightly modified embodiment FIG. 2 shows.
  • FIG. 4 are also again, similar to the embodiment according to FIG. 2 , two concentrically extending part-circular heating conductors 9a and 9b connected to each other via a central portion 9c, wherein between this central portion 9c and the one busbar 11b, a capacitance 19 'is connected.
  • two further heating conductors 9'a and 9'b are interconnected via an intermediate portion 9'c, between this intermediate portion 9'c and the aforementioned intermediate portion 9c (the other two heating conductors 9a and 9b) a capacity 19 ", preferably in the form of a capacitor 119" is additionally connected.
  • This variant can also be provided as an alternative or in addition to the other capacities 19, 19 '.
  • the two intermediate sections 9c and 9'c parallel to each other and parallel to the adjacent busbar 11b extending educated.
  • the two further heating wires 9'a and 9'b are connected to connection points 1009 'and 1009 "adjacent to the connection points 109' and 109" on the two busbars 11a and 11b.
  • the heating and / or antenna field can also comprise other curve shapes, including, for example, trapezoidal heating conductors for the arrangement. It can also be provided more transverse to the equipotential surfaces extending secondary connecting lines.
  • the mentioned connection lines can be designed differently.
  • differently shaped additional antenna fields 105 may be provided.
  • a capacity 19, 19 'or 19 is connected, ie between the two connection points of the busbar, between a central portion of a heat conductor and a busbar or between two
  • the respective capacitance in question can also be connected to at least one further additional component, preferably an inductance or coil, which is preferably connected in series or series with the relevant capacitance, ie in particular generating a series or series In particular on the connection route 21
  • a capacitance and an inductance or a coil can be connected directly in series.

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Claims (23)

  1. Champ d'antenne pour une vitre de véhicule automobile, en particulier une vitre arrière, présentant les éléments suivants :
    - il est prévu au moins un champ chauffant (7) avec plusieurs conducteurs (9),
    - les conducteurs (9) qui forment ledit au moins un champ chauffant (7) sont prévus dans ou sur une vitre (1) et en s'étendant entre au moins deux rails collecteurs (11a, 11b), de préférence dans un agencement équidistant,
    - le champ chauffant (7) est branché totalement ou partiellement à titre de champ d'antenne (5) et/ou il est prévu au moins additionnellement au champ chauffant (7) au moins un champ d'antenne séparé (5') sur la vitre avec au moins un conducteur d'antenne (105),
    - tous les rails collecteurs (11a, 11b) sont prévus sur un ou sur deux côtés non opposés de la vitre (1),
    caractérisé par les caractéristiques suivantes:
    - au moins une capacité (19') est branchée dans une jonction directe entre l'un desdits au moins deux rails collecteurs (11a, 11b) et au moins un tronçon médian (9c), formé entre 20 % et 80 % de la longueur totale d'un fil chauffant (9 ; 9a, 9b, 9c), du fil chauffant (9a, 9b, 9c), et
    - ladite au moins une capacité (19') est supérieure à 50 pF.
  2. Champ d'antenne selon la revendication 1, caractérisé en ce qu'au moins une capacité (19") est branchée entre au moins deux tronçons médians (9c, 9'c) des fils chauffants (9 ; 9a, 9b, 9c ; 9'a, 9'b, 9'c), qui sont formés entre 20 % et 80 % de la longueur totale de deux fils chauffants (9 ; 9a, 9b, 9c ; 9'a, 9'b, 9'c).
  3. Champ d'antenne selon la revendication 2, caractérisé en ce que ladite au moins une capacité (19") est branchée dans une jonction directe entre les emplacements de raccordements associés sur les deux tronçons médians (9c, 9'c) des fils chauffants (9 ; 9a, 9b, 9c ; 9'a, 9'b, 9'c).
  4. Champ d'antenne selon l'une des revendications 1 à 3, caractérisé en ce qu'au moins une capacité (19) est branchée entre lesdits au moins deux rails collecteurs (11a, 11b).
  5. Champ d'antenne selon l'une des revendications 1 à 3, caractérisé en ce que ladite au moins une capacité (19') est branchée dans une jonction directe entre l'emplacement de raccordement associé sur le rail collecteur (11a, 11b) et sur le tronçon médian concerné (9c) du fil chauffant associé (9).
  6. Champ d'antenne selon l'une des revendications 1 à 5, caractérisé en ce que ladite au moins une capacité (19, 19', 19") est un composant discret, c'est-à-dire un condensateur (119, 119').
  7. Champ d'antenne selon la revendication 6, caractérisé en ce que la capacité (19, 19', 19") est un condensateur à électrolyte, un condensateur à céramique, un composant à monter en surface (composant dit SMD) ou comprend des pistes conductrices isolées agencées par couches les unes au-dessus des autres parallèlement au plan de la vitre.
  8. Champ d'antenne selon l'une des revendications 1 à 7, caractérisé en ce que la capacité (19, 19', 19") est supérieure à 50 pF et inférieure à 10 µF, en particulier supérieure à 50 pF, 0,1 nF, 0,25 nF, 0,5 nF, 1 nF, 3 nF, 5 nF, 0,1 µF, 0,25 µF, 0,5 µF, 1 µF, voire même supérieure à 3 µF ou supérieure à 5 µF, et en ce que la capacité (19', 19") est de préférence inférieure à 5 µF, 1 µF et en particulier inférieure à 0,5 µF.
  9. Champ d'antenne selon l'une des revendications 1 à 8, caractérisé en ce qu'au moins un autre composant est branché en série avec ladite au moins une capacité (19, 19', 19"), en particulier une bobine ou une inductance en formant un circuit oscillant série.
  10. Champ d'antenne selon l'une des revendications 1 à 9, caractérisé en ce que deux conducteurs chauffants (9a, 9b ; 9'a, 9'b) sont prévus, et s'étendent au moins sur une partie de leur trajet au voisinage et en particulier équidistant l'un de l'autre et qui, en prolongeant la longueur totale de leurs conducteurs chauffants au niveau d'une de leurs zones terminales, sont reliés l'un à l'autre via un tronçon de jonction (9c ; 9'c), tandis que les extrémités respectivement opposées des deux conducteurs chauffants (9a, 9b ; 9'a, 9'b) sont respectivement reliées à l'un des deux rails collecteurs (11a, 11b).
  11. Champ d'antenne selon la revendication 10, caractérisé en ce que le tronçon de liaison (9c, 9'c) s'étend parallèlement à un rail collecteur voisin (11a, 11b), et/ou en ce que les deux tronçons de liaison (9c, 9'c) s'étendent parallèlement l'un à l'autre.
  12. Champ d'antenne selon la revendication 10 ou 11, caractérisé en ce qu'il est prévu deux paires ayant chacune deux conducteurs chauffants (9a, 9b ; 9'a, 9'b), qui s'étendent sur au moins une partie de leur trajet au voisinage et en particulier équidistant l'un de l'autre et qui, en prolongeant la longueur totale de leurs conducteurs chauffants au niveau d'une de leurs zones terminales, sont reliés l'un à l'autre via un tronçon de jonction (9c ; 9'c), tandis que les extrémités opposées des deux paires respectives de conducteurs chauffants (9a, 9b ; 9'a, 9'b) sont reliées respectivement à l'un des deux rails collecteurs (11a, 11b), et en ce que les deux tronçons de jonction (9c ; 9'c) sont reliés au moyen de ladite au moins une capacité (19").
  13. Champ d'antenne selon la revendication 11 ou 12, caractérisé en ce que les deux paires présentant chacune deux conducteurs chauffants (9a, 9b ; 9'a, 9'b), et compris leurs tronçons de jonction respectifs associés (9c ; 9'c) sont reliées électriquement seulement à leurs extrémités au rail collecteur respectif (11a, 11b) et sont reliées avec leur tronçon de jonction associé (9c ; 9'c) uniquement avec ladite au moins une capacité (19').
  14. Champ d'antenne selon l'une des revendications 10 à 13, caractérisé en ce qu'une paire de conducteurs chauffants (9'a, 9'b), y compris le tronçon de jonction associé (9'c) est située dans l'espace entre les deux autres conducteurs chauffants (9a, 9b) reliés l'un à l'autre, y compris le conducteur de jonction associé (9c).
  15. Champ d'antenne selon l'une des revendications 10 à 14, caractérisé en ce que le tronçon de jonction (9c ; 9'c) présente vis-à-vis des rails collecteurs voisins (11a, 11b) une distance qui est inférieure à la longueur du tronçon de jonction (9c), de préférence inférieure à 80 %, 60 %, 40 %, 20 %, voire même inférieure à 10 % de la longueur du tronçon de jonction (9c).
  16. Champ d'antenne selon l'une des revendications 1 à 15, caractérisé en ce que les extrémités voisines (11'a, 11'b) desdits au moins deux rails collecteurs (11a, 11b) sont situées à faible distance l'une de l'autre, l'écartement (121) étant inférieur à cinq fois, de préférence inférieur à quatre fois, inférieur à trois fois, ou encore inférieur à deux fois la distance entre deux conducteurs chauffants voisins (9 ; 9a, 9b).
  17. Champ d'antenne selon la revendication 16, caractérisé en ce que l'écartement (121) entre le premier et le second rail collecteur (11a, 11b) est prévu de telle façon qu'un fil chauffant parmi deux fils chauffants voisins (9 ; 9a, 9b) et connectés l'un à l'autre via la jonction (9c) est relié à l'extrémité (11'a) du premier rail collecteur (11a), et l'autre fil chauffant (9 ; 9b) est relié à l'extrémité (11'b) d'au moins un autre rail collecteur (11b).
  18. Champ d'antenne selon l'une des revendications 1 à 17, caractérisé en ce que les deux rails collecteurs (11a, 11b) sont prévus symétriquement à un plan de symétrie vertical (14) sur ou dans la vitre (1).
  19. Champ d'antenne selon l'une des revendications 1 à 18, caractérisé en ce que lesdits au moins deux rails collecteurs (11a, 11b) sont agencés du même côté de la vitre (1), de préférence dans la zone de bordure inférieure au voisinage de la délimitation inférieure (1b) de la vitre (1).
  20. Champ d'antenne selon l'une des revendications 1 à 19, caractérisé en ce qu'il est prévu un champ collecteur (11) au voisinage de la délimitation de gauche ou de droite (1c, 1d).
  21. Champ d'antenne selon l'une des revendications 1 à 20, caractérisé en ce qu'au moins un rail collecteur (11a, 11b) comprend des tronçons orientés sous deux angles l'un par rapport à l'autre, tel qu'un tronçon (111b) est agencé sur un côté (1b) de la vitre (1) et l'autre tronçon (11 1'b) est agencé sur un autre côté adjacent (1d) de la vitre (1).
  22. Champ d'antenne selon la revendication 21, caractérisé en ce que l'un des tronçons (111b) du rail collecteur (11b) est agencé du même côté (1b) de la vitre (1) sur lequel est agencé également le premier rail collecteur (11a).
  23. Champ d'antenne selon l'une des revendications 1 à 22, caractérisé en ce qu'il est prévu au moins une ligne secondaire (15), au moyen de laquelle au moins une partie des conducteurs chauffants (9) est reliée à des surfaces équipotentielles.
EP09728246A 2008-04-03 2009-03-26 Champ d'antenne pour une glace de véhicule automobile Active EP2225795B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008017052A DE102008017052B4 (de) 2008-04-03 2008-04-03 Antennenfeld für eine Kraftfahrzeug-Scheibe
PCT/EP2009/002235 WO2009121521A1 (fr) 2008-04-03 2009-03-26 Champ d'antenne pour une glace de véhicule automobile

Publications (2)

Publication Number Publication Date
EP2225795A1 EP2225795A1 (fr) 2010-09-08
EP2225795B1 true EP2225795B1 (fr) 2011-05-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09728246A Active EP2225795B1 (fr) 2008-04-03 2009-03-26 Champ d'antenne pour une glace de véhicule automobile

Country Status (9)

Country Link
US (1) US20100321258A1 (fr)
EP (1) EP2225795B1 (fr)
JP (1) JP5422642B2 (fr)
KR (1) KR101578844B1 (fr)
CN (1) CN101953020B (fr)
AT (1) ATE511223T1 (fr)
DE (1) DE102008017052B4 (fr)
ES (1) ES2367098T3 (fr)
WO (1) WO2009121521A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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GB0819638D0 (en) † 2008-10-27 2008-12-03 Pilkington Automotive D Gmbh Heated vehicle window
WO2014065383A1 (fr) * 2012-10-25 2014-05-01 旭硝子株式会社 Vitre de fenêtre d'automobile et sa structure de fixation
US9507383B2 (en) * 2014-09-30 2016-11-29 Microsoft Technology Licensing, Llc Computing device bonding assemblies
EP3174158A1 (fr) * 2015-11-27 2017-05-31 AGC Glass Europe Antenne à large bande et haute fréquence comprenant un moyen de commande de connexion
CN106904064A (zh) * 2015-12-23 2017-06-30 北汽福田汽车股份有限公司 后风挡玻璃和车辆尾门
DE102017213937A1 (de) * 2017-08-10 2019-02-14 Continental Automotive Gmbh Antenne für ein Hochfrequenzsystem für ein Kraftfahrzeug, Hochfrequenzsystem sowie Verfahren zum Betreiben einer Antenne
CN110466323B (zh) * 2019-08-09 2021-10-19 福耀玻璃工业集团股份有限公司 车窗玻璃及车辆

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JPS57125501A (en) * 1981-01-28 1982-08-04 Nippon Sheet Glass Co Ltd Glass antenna
DE3914424A1 (de) * 1989-05-01 1990-12-13 Lindenmeier Heinz Antenne mit vertikaler struktur zur ausbildung einer ausgedehnten flaechenhaften kapazitaet
JPH03117918U (fr) * 1990-03-16 1991-12-05
US5408242A (en) * 1991-02-05 1995-04-18 Harada Kogyo Kabushiki Kaisha Glass antenna for automobiles
JPH04249407A (ja) * 1991-02-05 1992-09-04 Harada Ind Co Ltd 自動車用ガラスアンテナ
JPH0621711A (ja) 1992-06-30 1994-01-28 Sumitomo Chem Co Ltd 自動車用アンテナ装置
DE4323239C2 (de) 1993-07-12 1998-04-09 Fuba Automotive Gmbh Antennenstruktur für eine Kraftfahrzeug-Heckscheibe
JPH0758534A (ja) * 1993-08-20 1995-03-03 Nippon Sheet Glass Co Ltd 窓ガラスアンテナ
KR0145052B1 (ko) * 1993-12-29 1998-08-01 와다 요시히로 차량용 안테나 및 그 설정방법
US5952977A (en) * 1994-11-04 1999-09-14 Mazda Motor Corporation Glass antenna
DE10033336A1 (de) * 1999-08-11 2001-04-12 Heinz Lindenmeier Diversityantenne für eine Diversityantennenanlage in einem Fahrzeug
DE10126869A1 (de) * 2001-06-01 2002-12-19 Saint Gobain Sekurit D Gmbh Elektrisch beheizbare Scheibe
DE10211341A1 (de) 2002-03-14 2003-10-02 Kathrein Werke Kg Diversity-Antennensystem für bewegte Fahrzeuge
DE10356607A1 (de) * 2003-12-01 2005-06-30 Bäumler, Peter Beheizbare Glasscheibe
FR2866156B1 (fr) * 2004-02-06 2006-05-05 Composants Electr Soc D Antenne serigraphiee pour lunette arriere et lunette de custode de vehicule automobile de type break.
JP2006101386A (ja) * 2004-09-30 2006-04-13 Nippon Sheet Glass Co Ltd 車両用ガラスに形成されるデフォッガの熱線パターン構造および車両用ガラスアンテナ

Also Published As

Publication number Publication date
DE102008017052B4 (de) 2010-07-08
JP5422642B2 (ja) 2014-02-19
CN101953020A (zh) 2011-01-19
DE102008017052A1 (de) 2009-10-08
WO2009121521A1 (fr) 2009-10-08
ES2367098T3 (es) 2011-10-28
JP2011517197A (ja) 2011-05-26
EP2225795A1 (fr) 2010-09-08
ATE511223T1 (de) 2011-06-15
US20100321258A1 (en) 2010-12-23
KR101578844B1 (ko) 2016-01-22
KR20100133360A (ko) 2010-12-21
CN101953020B (zh) 2013-12-25

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