WO2013133291A1 - Appareil d'antenne - Google Patents

Appareil d'antenne Download PDF

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Publication number
WO2013133291A1
WO2013133291A1 PCT/JP2013/056040 JP2013056040W WO2013133291A1 WO 2013133291 A1 WO2013133291 A1 WO 2013133291A1 JP 2013056040 W JP2013056040 W JP 2013056040W WO 2013133291 A1 WO2013133291 A1 WO 2013133291A1
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WO
WIPO (PCT)
Prior art keywords
antenna
window glass
glass
conductor
upper edge
Prior art date
Application number
PCT/JP2013/056040
Other languages
English (en)
Japanese (ja)
Inventor
賢仁 岩瀬
淳 信岡
諭 徳永
聡志 杉本
Original Assignee
旭硝子株式会社
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 旭硝子株式会社, トヨタ自動車株式会社 filed Critical 旭硝子株式会社
Publication of WO2013133291A1 publication Critical patent/WO2013133291A1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Definitions

  • the present invention relates to an antenna device having a window glass provided with a glass antenna.
  • a conductive film may be provided on the window glass (see, for example, Patent Document 1).
  • an object of the present invention is to provide an antenna device that can easily suppress a decrease in antenna gain of a glass antenna even when a conductive film is provided on a window glass.
  • the present invention provides: Window glass, A glass antenna provided on the window glass; A conductive film provided on the window glass, The glass antenna has a power feeding part located on a side part of the window glass, and an antenna conductor connected to the power feeding part, The antenna conductor has a linear portion extending along the upper edge of the film, The distance between the linear portion and the upper edge provides an antenna device that is 0 mm or more and 60 mm or less when the linear portion is located below the upper edge.
  • the present invention even when a conductive film is provided on the window glass, it is possible to easily suppress a decrease in the antenna gain of the glass antenna.
  • the directions on the drawings are referred to, and the directions of the drawings correspond to the directions of symbols and numbers. Further, the directions such as parallel and right angles allow a deviation that does not impair the effects of the present invention.
  • the top view for demonstrating a form is a figure of the vehicle interior in the state in which the window glass was attached to the vehicle, you may refer as a figure of a vehicle external view. For example, when the window glass is a rear glass attached to the rear portion of the vehicle, the left-right direction on the drawing corresponds to the vehicle width direction. If there is no legal problem regarding the provision of the conductive film, the window glass is not limited to the rear glass but may be a windshield attached to the front part of the vehicle or a side glass attached to the side part of the vehicle. .
  • FIG. 1 is a schematic cross-sectional view of a part of a vehicle antenna device 1 according to an embodiment of the present invention.
  • Z represents the normal direction of the surface of the window glass 11.
  • the antenna device 1 includes a window glass 11, a glass antenna 14 provided in a plane on the window glass 11, and a conductive film 15 provided on the window glass 11.
  • the window glass 11 has a surface 12 and a surface 13 opposite to the surface 12.
  • the surface 12 is a vehicle inner surface and the surface 13 is a vehicle outer surface.
  • the glass antenna 14 is disposed on the vehicle inner surface 12 and is formed by printing and baking a paste containing a conductive metal such as silver paste on the vehicle inner surface 12 of the window glass 11.
  • a paste containing a conductive metal such as silver paste
  • the present invention is not limited to this forming method, and a linear body or a foil-like body made of a conductive material such as copper may be formed on the vehicle inner surface 12 or the vehicle outer surface 13 of the window glass 11. 11 may be affixed to the window glass 11 with an adhesive or the like.
  • the film 15 improves the heat insulating function of the window glass 11 by being attached to the vehicle inner surface 12 of the window glass 11. For example, transmission of infrared rays from the outside of the vehicle to the inside of the vehicle can be suppressed, and heat from the inside of the vehicle can be prevented from escaping outside the vehicle.
  • the film 15 may be a film that improves the anti-fogging function of the window glass 11 by being attached to the inner surface 12 of the window glass 11. Further, the film 15 may be attached to the vehicle outer surface 13 of the window glass 11.
  • the film 15 is attached to the vehicle interior surface 12 side of the window glass 11 so as to cover a part or all of the glass antenna 14. That is, the film 15 is arranged on the vehicle interior surface 12 side of the window glass 11 so as to overlap with part or all of the glass antenna 14 when viewed from the normal direction Z. Further, the film 15 may be arranged on the vehicle exterior surface 13 side of the window glass 11 so that the vehicle exterior surface 13 of the window glass 11 faces the part or all of the glass antenna 14 when viewed from the opposite side. Good.
  • the film 15 has, for example, a configuration in which a conductive layer 16 and an adhesive layer 17 are laminated.
  • An insulating layer may be provided between the conductive layer 16 and the adhesive layer 17, or an insulating layer may be provided on the surface of the conductive layer 16 opposite to the adhesive layer 17.
  • the conductive layer 16 includes, for example, a conductive metal or metal compound.
  • the film 15 is adhered to the surface 12 of the window glass 11 by the adhesive layer 17.
  • the adhesive layer 17 is, for example, a pressure-sensitive adhesive sheet. The film 15 may be adhered to the surface 12 of the window glass 11 with an adhesive without having the adhesive layer 17.
  • FIG. 2 is a schematic plan view of the antenna device 1 of FIG. 1, and is a view of the surface of the window glass 11 as opposed to it.
  • the vertical direction in FIG. 2 corresponds to the vertical direction when the front surface of the window glass 11 is viewed facing the window glass 11 in a state where the window glass 11 is attached to the rear window frame of the vehicle.
  • the edge of the film 15 is displayed with a dotted line to prevent the edge of the film 15 from intersecting with the line of the glass antenna 14, but the film 15 is provided on the front surface of the window glass 11. Yes.
  • the film 15 may be provided in the surface of the paper surface back side of the window glass 11 as above-mentioned.
  • the glass antenna 14 has a power feeding part 25 located on the side part 11 s of the window glass 11 and an antenna conductor 20 connected to the power feeding part 25.
  • the power supply unit 25 is a power supply point for connecting the antenna conductor 20 to a signal processing circuit (not shown) such as an amplifier.
  • the antenna conductor 20 is an antenna for receiving an FM broadcast band, for example, and the power feeding unit 25 is connected to an FM broadcast tuner.
  • the power feeding unit 25 is disposed on the left side portion 11 s of the window glass 11.
  • the side portion 11s is, for example, a region sandwiched between the left side edge 11b of the window glass 11 and the left side edge 15b of the film 15.
  • the side edge 15b is located closer to the center of the window glass 11 than the side edge 11b.
  • the antenna conductor 20 has, as an antenna pattern, an element 21 including a linear portion 21a extending along the upper edge 15a of the film 15.
  • the upper edge 15 a is located closer to the center of the window glass 11 than the upper edge 11 a of the window glass 11.
  • the film 15 is provided on the window glass 11 so that the upper edge 15a extends in the left-right direction parallel to the horizontal plane (road surface).
  • the element 21 of the antenna conductor 20 is provided on the window glass 11 so that the linear portion 21a extends in the left-right direction parallel to the upper edge 15a.
  • the element 21 is a linear conductor that is connected to the power supply unit 25 and includes a portion that is bent at a point a and formed in an L shape. The element 21 may be directly connected to the power feeding unit 25 without being bent.
  • the element 21 includes the linear portion 21a extending along the upper edge 15a of the film 15, a current excited along the upper edge 15a when the conductive film 15 receives radio waves is generated. , And can be transmitted to the linear portion 21a electromagnetically coupled to the upper edge 15a. If the excitation current flowing along the upper edge 15a can be efficiently transmitted to the linear portion 21a, the antenna gain (sensitivity) of the element 21 is improved. Therefore, the conductive film 15 is provided on the window glass 11 having the glass antenna 14. Even if it reduces, it can suppress easily that the antenna gain (sensitivity) of the glass antenna 14 falls.
  • FIG. 3 is a graph showing the relationship between the distance H1 between the linear portion 21a and the upper edge 15a and the antenna gain of the element 21.
  • the distance H1 on the horizontal axis is positive when the linear portion 21a is below the upper edge 15a.
  • the distance H1 of 0 mm indicates that the line portion 21a is disposed so as to overlap the upper edge 15a when the surface of the window glass 11 is viewed in opposition.
  • the vertical axis represents the average value of the antenna gain measured every 1 MHz in the FM frequency band of 88 to 108 MHz.
  • an element 22 and an antenna conductor 30 described later shown in FIG. 2 are not configured on the glass antenna 14. Further, the plane of polarization of the radio wave transmitted to the element 21 during the measurement of FIG. 3 is 45 °.
  • the excitation current flowing along the upper edge 15a is caused to flow in the linear portion 21a by setting the distance H1 to 0 mm to 60 mm, more preferably 3 mm to 40 mm, and even more preferably 5 mm to 30 mm. Therefore, the antenna gain of the element 21 can be improved. Therefore, by setting the distance H1 within such a size range, it is easy to reduce the antenna gain of the glass antenna 14 even when the conductive film 15 is provided on the window glass 11 having the glass antenna 14. Can be suppressed.
  • the sheet resistance of the film 15 is preferably 0 to 700 [ ⁇ / ⁇ (square / ohm)], more preferably 24.8 to 625 [ ⁇ / ⁇ ], in view of improving the antenna gain of the glass antenna 14.
  • FIG. 4 is a graph showing the relationship between the parallel running length W1 that the linear portion 21a extends along the upper edge 15a and the antenna gain of the element 21.
  • the parallel running length W1 on the horizontal axis corresponds to the conductor length from the intersection b of the left edge 15b of the film 15 and the element 21 to the end c of the left and right extending portion of the element 21 in FIG. To do.
  • the vertical axis represents the average value of the antenna gain measured every 1 MHz in the FM frequency band of 88 to 108 MHz.
  • an element 22 and an antenna conductor 30 described later shown in FIG. 2 are not configured on the glass antenna 14. In the measurement of FIG.
  • FIG. 4 shows data when radio waves transmitted to the element 21 are vertically polarized and data when horizontally polarized.
  • the parallel running length W1 within a range that does not contact other antenna elements is 35 mm or more, more preferably 85 mm or more in the case of vertical polarization, and 285 mm or more in the case of horizontal polarization. More preferably, it is set to 335 mm or more.
  • the antenna gain of the element 21 can be improved. Therefore, by setting the parallel running length W1 within such a size range, even if the conductive film 15 is provided on the window glass 11 having the glass antenna 14, the antenna gain of the glass antenna 14 is reduced. Can be easily suppressed.
  • the antenna conductor 20 may have, in addition to the element 21, an element 22 positioned below the element 21 as an antenna pattern.
  • the antenna gain of the antenna conductor 20 (particularly, the antenna gain of the FM broadcast band of the VHF band) is improved.
  • the element 22 is, for example, a line segment element including a portion extending in the left-right direction parallel to the line portion 21 a of the element 21.
  • the element 22 is configured to include a portion that extends to the right along the linear portion 21a and extends to the end d that is the end point of the rightward extension, starting from the power supply portion 25 or the portion of the element 21. ing.
  • the element 22 extends, for example, starting from a portion extending in the vertical direction of the element 21 (a portion between the power supply unit 25 and the point a).
  • the antenna gain of the antenna conductor 20 (particularly, the antenna gain of the FM broadcast band of the VHF band) ) Will improve.
  • the distance H2 is positive when the element 22 is below the upper edge 15a.
  • the distance H2 of 0 mm indicates that the element 22 is disposed so as to overlap the upper edge 15a when the surface of the window glass 11 is viewed in opposition.
  • the glass antenna 14 may have an antenna conductor 30 as a non-connected antenna conductor that is not connected to the power feeding unit 25.
  • the antenna conductor 30 has an element 31 as an antenna element that is capacitively coupled to the linear portion 21 a of the element 21, and an element 32 as an antenna element that is capacitively coupled to the element 22.
  • the element 31 extends in the left-right direction so as to be close to the line portion 21 a and is located above the line portion 21 a, thereby capacitively coupling the element 31 to the line portion 21 a. Forming part. In addition, the element 31 may be located below the filament part 21a.
  • the element 31 is a line segment element that extends to the left starting from the end h and linearly extends to the end i that is the end point of the extension to the left.
  • the element 32 extends in the left-right direction so as to be close to the element 22, and is positioned above the element 22, thereby forming a capacitive coupling portion with the element 22. .
  • the element 32 may be positioned below the element 22.
  • the element 32 is a line segment element that extends leftward from the end portion g and linearly extends to an end portion j that is the end point of leftward stretching.
  • Element 31 and element 32 are connected by an element 33 extending in the vertical direction.
  • the directivity of the antenna conductor 20 (particularly the directivity of the FM broadcast band in the VHF band) can be adjusted.
  • the glass antenna 14 may have a power feeding unit 35 connected to the antenna conductor 30 via the element 34.
  • the power supply unit 35 is a power supply point for connecting the antenna conductor 30 to a signal processing circuit (not shown) such as an amplifier.
  • the antenna conductor 30 is an antenna for receiving an AM broadcast band, for example, and the power feeding unit 35 is connected to an AM broadcast tuner.
  • the power feeding unit 35 is disposed below the power feeding unit 25 and is disposed on the same side portion 11 s as the power feeding unit 25.
  • the element 34 is disposed below the element 22 and includes a portion extending in the left-right direction parallel to the linear portion 21 a.
  • the element 34 has one end connected to the power feeding unit 35 and the other end connected to the lower end e of the element 33.
  • the antenna conductor 30 has an element 36 as an antenna element located on the opposite side to the power feeding portion 35 with respect to the capacitive coupling portion between the element 21 and the element 22.
  • the element 36 includes, for example, a portion extending in the left-right direction parallel to the linear portion 21a, extends rightward from the point f on the element 33, and is an end point of rightward stretching. Stretch to end k.
  • the window glass 11 may be provided with a defogger 50 having a plurality of heater wires and a bus bar for supplying power to the heater wires.
  • the glass antenna 14 is preferably provided in a blank area above the defogger 50.
  • the minimum value of the line width (conductor width) of each antenna element is preferably 0.4 mm or more, and more preferably 0.6 mm or more in terms of preventing disconnection of the printed element.
  • the maximum value of each line width is preferably 3.0 mm or less, more preferably 2.8 mm or less, from the viewpoint of suppressing distortion generated during glass bending.
  • the glass antenna 14 uses a predetermined conductive member for connection between the power feeding units 25 and 35 and the signal processing circuit.
  • a feed line such as an AV line or a coaxial cable is used.
  • the inner conductor of the coaxial cable may be connected to the power supply unit 25, and the outer conductor of the coaxial cable may be grounded to the vehicle body.
  • the power feeding unit 35 may be arranged with a coaxial cable.
  • Such a connector makes it easy to attach the cable or the like to the power feeding units 25 and 35.
  • the shape of the power feeding portions 25 and 35 may be determined according to the shape of the mounting surface of the conductive member or connector and the interval between the mounting surfaces.
  • a square shape or a polygonal shape such as a square, a substantially square, a rectangle, or a substantially rectangle is preferable for mounting. It may be a circle such as a circle, a substantially circle, an ellipse, or a substantially ellipse.
  • a glass antenna may be formed by providing a conductor layer made of each antenna conductor inside or on the surface of a synthetic resin film and forming the synthetic resin film with a conductor layer on the inside or outside surface of the window glass. Furthermore, it is good also as a glass antenna by forming the flexible circuit board in which each antenna conductor was formed in the vehicle inner surface or vehicle outer surface of a window glass.
  • a concealing film may be formed on the surface of the window glass, and a feeding portion and a part of the antenna conductor may be provided on the concealing film.
  • the concealing film may be a ceramic such as a black ceramic film.
  • the portion of the antenna conductor provided on the masking film by the masking film becomes invisible from the outside of the vehicle, and the window glass has an excellent design.
  • a part of the feeding portion and the antenna conductor is formed on the shielding film (between the edge of the shielding film and the edge of the window glass), so that only the thin straight portion of the conductor is seen in the vehicle exterior. This is preferable in terms of design.
  • the elements 21 and 22 correspond to “first antenna element” and “second antenna element” in the claims, respectively.
  • the elements 31 and 32 correspond to “third antenna element” and “fourth antenna element”, respectively, in the claims.
  • the power feeding unit 35 corresponds to a “second power feeding unit” in the claims.
  • FIG. 5 is a plan view of the antenna device 2 according to the embodiment of the present invention.
  • FIG. 6 is a plan view of a conventional antenna device 3 which is a comparative example of the present invention.
  • the result of actual measurement of the frequency characteristics of the antenna gain of the antenna devices 2 and 3 will be described.
  • the window glass 11 of the antenna device 2 is provided with an FM broadcast band power supply unit 25, an AM broadcast band power supply unit 35, a conductive film 15, and a defogger 50.
  • an FM broadcast band power supply unit 125, an AM broadcast band power supply unit 135, a conductive film 115, and a defogger 150 are provided on the window glass 111 of the antenna device 3.
  • the antenna gain was measured by assembling an automobile window glass with a glass antenna formed on an automobile window frame on a turntable.
  • the power supply units 25 and 125 for the FM broadcast band have a connector attached, and are connected to a network analyzer via a feeder line.
  • the turntable rotates so that the window glass is irradiated with vertically polarized waves or horizontally polarized waves from all directions.
  • the antenna gain is measured by setting the center of the car with the glass antenna glass installed at the center of the turntable and rotating the car 360 °.
  • the antenna gain data is measured every 1 MHz in the frequency range 88 to 108 MHz of the FM broadcast band at every rotation angle of 3 °.
  • each part of the antenna device 2 is expressed in units of mm.
  • each part of the antenna device 3 is expressed in units of mm.
  • “W **” (** represents a number) is the shortest distance from the location where “w **” is indicated by an arrow in FIGS. 5 and 6 to the center lines 40 and 140 of the defogger 50 and 150. Shows the distance.
  • the center lines 40 and 140 are straight lines that are virtually drawn in the vertical direction so as to divide the defoggers 50 and 150 into left and right.
  • “H **” indicates the shortest distance between the conductors in the vertical direction.
  • H1 in FIG. 5 and H11 in FIG. 6 represent the distance between the upper edge of the conductive film and the filament extending along the upper edge.
  • Table 1 shows the antenna gain of the antenna device 3 (comparative example) when “no conductive film 115” and the antenna gain of the antenna device 2 (example) when “no conductive film 15” exist. Show.
  • the data in Table 1 is an average value of the antenna gain measured every 1 MHz in the frequency range of the FM broadcast band 88 to 108 MHz every rotation angle of 3 °.
  • the antenna gains of the FM broadcasting bands of the antenna devices 2 and 3 are the same even when the pattern of the antenna elements is different from each other and even when vertically polarized. Even in the case of polarization, the average value of antenna gain is almost the same with a difference within 1 dB ⁇ V.
  • the antenna gains of the antenna devices 2 and 3 were measured to confirm how much the respective antenna gains were reduced.
  • FIGS. 7 and 8 are frequency characteristic diagrams of the difference in antenna gain with and without a conductive film.
  • the vertical axis in FIGS. 7 and 8 represents the difference in average antenna gain for 360 ° measured at each rotation angle of 3 °.
  • FIG. 7 shows data for vertical polarization
  • FIG. 8 shows data for horizontal polarization.
  • the data in Table 2 is a value obtained by averaging the antenna gain differences for each frequency in FIGS.
  • the antenna gain difference shown in FIGS. 7 and 8 and Table 2 indicates how much the antenna gain of the FM broadcast band with the conductive film is lower than that without the conductive film. The larger the antenna gain difference, the greater the degree of decrease in antenna gain.
  • the antenna conductor having a linear portion extending along the upper edge of the conductive film is preferably used in a VHF band of 30 M to 0.3 GHz, for example.
  • VHF band 30 M to 0.3 GHz
  • examples of uses of radio waves in the VHF band include the FM broadcast band in Japan (76 to 90 MHz), the FM broadcast band in the United States (88 to 108 MHz), and the television VHF band (90 to 108 MHz, 170 to 222 MHz).
  • the antenna conductor having a linear portion extending along the upper edge of the conductive film is preferably used, for example, on the low frequency side of the UHF band of 0.3 G to 3 GHz. Examples of applications of radio waves on the low side of the UHF band include a keyless entry system for vehicles (300 to 450 MHz) and an 800 MHz band (810 to 960 MHz) for automobile phones.
  • the non-connected antenna conductor that is not connected to the feeding portion of the antenna conductor having the above-mentioned linear portion is preferably used in the MF band of 300 k to 3 MHz, for example.
  • AM radio broadcasting (520 to 1700 kHz) can be mentioned.

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Abstract

L'appareil d'antenne selon l'invention est doté d'un verre à vitre, d'une antenne en verre qui est disposée sur le verre à vitre, et d'un film conducteur qui est disposé sur le verre à vitre. L'antenne en verre a une section d'alimentation positionnée sur la partie latérale du verre à vitre, et un conducteur d'antenne connecté à l'unité d'alimentation. Le conducteur d'antenne a une section linéaire s'étendant le long du bord supérieur du film, et lorsqu'il est réglé sur positif lorsque la section linéaire est en dessous du bord supérieur, la distance entre la section linéaire et le bord supérieur est comprise entre 0 et 60 mm.
PCT/JP2013/056040 2012-03-08 2013-03-05 Appareil d'antenne WO2013133291A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-052201 2012-03-08
JP2012052201A JP2015099949A (ja) 2012-03-08 2012-03-08 アンテナ装置

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WO2013133291A1 true WO2013133291A1 (fr) 2013-09-12

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PCT/JP2013/056040 WO2013133291A1 (fr) 2012-03-08 2013-03-05 Appareil d'antenne

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WO (1) WO2013133291A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163674A1 (fr) * 2015-10-30 2017-05-03 Asahi Glass Company, Limited Antenne pour vitre pour vehicule et vitre arriere comprenant une antenne pour vitre pour vehicule
CN106654509A (zh) * 2015-10-30 2017-05-10 旭硝子株式会社 车辆用玻璃天线和具备该车辆用玻璃天线的后部窗玻璃
JP2018537037A (ja) * 2015-11-27 2018-12-13 エージーシー グラス ユーロップＡｇｃ Ｇｌａｓｓ Ｅｕｒｏｐｅ ２つの２次元部品で構成される多帯域アンテナおよびそのアンテナが印刷されたガラスパネル
CN109155453A (zh) * 2016-05-11 2019-01-04 Agc汽车美洲研发公司 具有透明层和天线元件的窗组件

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02177601A (ja) * 1988-09-01 1990-07-10 Asahi Glass Co Ltd 自動車用窓ガラス
JP2009212723A (ja) * 2008-03-03 2009-09-17 Asahi Glass Co Ltd 車両用ガラスアンテナとそのチューニング方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02177601A (ja) * 1988-09-01 1990-07-10 Asahi Glass Co Ltd 自動車用窓ガラス
JP2009212723A (ja) * 2008-03-03 2009-09-17 Asahi Glass Co Ltd 車両用ガラスアンテナとそのチューニング方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3163674A1 (fr) * 2015-10-30 2017-05-03 Asahi Glass Company, Limited Antenne pour vitre pour vehicule et vitre arriere comprenant une antenne pour vitre pour vehicule
CN106654509A (zh) * 2015-10-30 2017-05-10 旭硝子株式会社 车辆用玻璃天线和具备该车辆用玻璃天线的后部窗玻璃
CN106654509B (zh) * 2015-10-30 2020-06-26 Ａｇｃ株式会社 车辆用玻璃天线和具备该车辆用玻璃天线的后部窗玻璃
JP2018537037A (ja) * 2015-11-27 2018-12-13 エージーシー グラス ユーロップＡｇｃ Ｇｌａｓｓ Ｅｕｒｏｐｅ ２つの２次元部品で構成される多帯域アンテナおよびそのアンテナが印刷されたガラスパネル
CN109155453A (zh) * 2016-05-11 2019-01-04 Agc汽车美洲研发公司 具有透明层和天线元件的窗组件

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