EP2581983B1 - Fensterscheibenantenne für fahrzeuge - Google Patents

Fensterscheibenantenne für fahrzeuge Download PDF

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Publication number
EP2581983B1
EP2581983B1 EP11795510.4A EP11795510A EP2581983B1 EP 2581983 B1 EP2581983 B1 EP 2581983B1 EP 11795510 A EP11795510 A EP 11795510A EP 2581983 B1 EP2581983 B1 EP 2581983B1
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EP
European Patent Office
Prior art keywords
core
wire
line
antenna
ground
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11795510.4A
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English (en)
French (fr)
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EP2581983A4 (de
EP2581983A1 (de
Inventor
Yuji Katada
Masahiro Yamamoto
Masanori Kaihatsu
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.)
Central Glass Co Ltd
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Central Glass Co Ltd
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Filing date
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Publication of EP2581983A1 publication Critical patent/EP2581983A1/de
Publication of EP2581983A4 publication Critical patent/EP2581983A4/de
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Publication of EP2581983B1 publication Critical patent/EP2581983B1/de
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    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths
    • H01Q5/371—Branching current paths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

Definitions

  • the present invention relates to an antenna adapted to receive a frequency band of Band III of DAB standard (DAB: Digital Audio Broadcasting) for digital terrestrial radiobroadcast waves, more particularly, relates to an ungrounded-type antenna which is provided to a front window glass, a rear window glass and/or a side non-opening fixed window glass of a vehicle.
  • DAB Digital Audio Broadcasting
  • DAB Digital Audio Broadcasting
  • DRM Digital Radio Mondiale
  • DMB Digital Multimedia Broadcasting
  • ISDB Integrated Services Digital Broadcasting
  • an antenna is designed to obtain a resonance at a certain frequency existing within a relatively-high frequency band as in the case of L-Band of DAB standard, a high receiving sensitivity can be attained over a wide frequency range around this resonance frequency.
  • the Band III ranging from 174 to 240 MHz has a wide bandwidth equal to 66 MHz.
  • a favorable receiving sensitivity cannot be obtained over whole of the frequency band (at all frequencies) of Band III because a frequency range over which resonance can occur is narrow.
  • various antennas devised to improve this problem are being developed.
  • Japanese Patent Application Publication No. 7-46016 discloses a glass antenna for an automobile telephone.
  • a hot-side antenna line is provided on a window glass and extended in the horizontal direction so as to be electromagnetically coupled with an upper or lower horizontal edge of a metallic window frame of vehicle body to which the window glass is attached.
  • an earth-side antenna line is located in an inner (central) portion of the window glass beyond the hot-side antenna line.
  • One end of the earth-side antenna line is located near one end or a center of the hot-side antenna line.
  • Japanese Patent Application Publication No. 2000-295023 discloses a film antenna for digital audio broadcast.
  • the antenna includes a resin film, a composite antenna element constituted by strip-shaped thin-film conductors formed on a surface of the resin film, and an electrically-feeding cable connected with an electrically-feeding point of the composite antenna element.
  • the composite antenna element includes a first antenna element configured to be applicable to a first frequency band, and a second antenna element provided adjacent to the first antenna element and configured to be applicable to a second frequency band that is lower in frequency level than the first frequency band.
  • the second antenna element is bent at its portion which is a zero-level point of current distribution that is caused on the second antenna element on the basis of electromagnetic wave of the first frequency band. (see Patent Literature 2)
  • Japanese Patent Application Publication No. 2001-127519 discloses a side-window glass antenna for an automobile.
  • an antenna conductor, an earth conductor, an electrically-feeding point of the antenna conductor, and an earth point of the earth conductor are provided to a side-window glass plate of the automobile.
  • These feeding point and earth point are located near a right edge portion of the side-window glass plate as viewed from an interior side or exterior side of the automobile.
  • the earth point is disposed substantially above the feeding point.
  • the antenna conductor extends from the feeding point in a clockwise direction along an outer circumferential edge of the side-window glass plate in a manner that the antenna conductor almost circulates in the side-window glass plate to surround the earth conductor.
  • the earth conductor includes an upper earth element and a lower earth element.
  • the upper earth element extends from the earth point or a connecting earth element attached to the earth point in a substantially left direction.
  • the lower earth element extends from the earth point or the connecting earth element in the clockwise direction.
  • Japanese Patent Application Publication No. 2009-49706 discloses a glass antenna for a vehicle.
  • the antenna for receiving a broadcast wave for the digital terrestrial television is provided to a corner portion of a window glass of a side portion of the vehicle that is located on a rear-seat side.
  • This antenna includes two positive and negative (power-)feeding points provided to the corner portion of the side window glass, a first element, and a second element.
  • the first element includes a first vertical line which extends vertically toward a corner and which is at least one of at least two lines extending from the positive feeding point, and a first horizontal line extending horizontally from a tip of the first vertical line or from an intermediate portion of the first vertical line in a branched manner.
  • the second element includes at least two second horizontal lines extending horizontally from the negative feeding point, and a second vertical line extending vertically from the negative feeding point.
  • the positive and negative feeding points are connected respectively with a core wire and an enveloping conductor wire of a coaxial cable. (see Patent Literature 4)
  • the invention of the above Patent Literature 1 relates to a window glass antenna for automobile telephone operating in a frequency range from 810 MHz to 960 MHz, but not relates to an antenna for digital terrestrial radiobroadcast waves under the DAB standard.
  • the ungrounded-type antenna is constituted by the hot-side antenna line and the earth-side antenna line. This hot-side antenna line is electromagnetically coupled with the horizontal edge of the metallic window frame.
  • an antenna pattern is formed in order to receive digital radiobroadcast waves in both of the Band III and the L-Band of the standard by enabling resonances in both of the Band III and the L-Band.
  • a high gain of the receiving sensitivity is not obtained over the entire frequency band of wider one of the Band III and the L-Band.
  • the antenna is susceptible to an influence of noises from a defogger or metallic body because no earth-side element is provided.
  • the window glass antenna is formed to receive FM radiobroadcast waves ranging from 76 MHz to 90 MHz, but is not formed to receive the digital terrestrial radiobroadcast waves within the L-Band or the Band III having a wide frequency range.
  • This antenna is constituted by one antenna conductor provided to surround the earth conductor. If trying to use this antenna as an antenna for receiving the digital terrestrial radiobroadcast waves of the Band III of DAB standard, there is a problem that a high reception gain cannot be obtained over the entire frequency band of Band III.
  • the antenna of the above Patent Literature 4 is not an antenna formed to receive the digital terrestrial radiobroadcast waves of the DAB standard, but is an ungrounded-type window glass antenna formed to receive digital terrestrial broadcast waves ranging from 470 to 710 MHz.
  • An antenna pattern of this technique is provided along an inside of vertical edge of a metallic flange.
  • the core-wire-side element (first element) of the antenna includes at least two lines extending from the positive feeding point. At least one of the at least two lines extends in the vertical direction toward the corner and then extends in the horizontal direction from a tip of this vertically-extending portion or from an intermediate point of this vertically-extending portion in a branched manner.
  • the antenna of this technique is used for digital terrestrial television, the receiving characteristic has no problem.
  • the antenna of this technique is used as an antenna for digital terrestrial radiobroadcast in the Band III or L-Band of DAB standard, there is a problem that the antenna becomes susceptible to the influence of metallic body to reduce the receiving characteristic because the core-wire-side element is in proximity to the metallic flange.
  • a glass antenna for a vehicle the glass antenna being of ungrounded-type and being configured to receive airwaves over an entire frequency bandwidth of a Band III of DAB standard for digital terrestrial radiobroadcast waves, the antenna comprising: core-wire-side and ground-side feeding points aligned close to each other on a glass surface of a window of the vehicle near an opening of a metallic flange of the window; a ground-side element including a line extending from the ground-side feeding point in a direction away from a portion of the metallic flange which is located closest to the ground-side feeding point; and a core-wire-side element including a core-wire-side first line extending from the core-wire-side feeding point substantially in parallel with the line of the ground-side element, and a core-wire-side second line extending from the core-wire-side first line in a branched manner or extending directly from the core-wire-side feeding point in parallel with the
  • an ungrounded-type (floating) glass antenna for receiving digital terrestrial radiobroadcast waves under a DAB standard includes a core-wire-side element 10 extending from a core-wire-side electrically-feeding point 6 and a ground-side element 20 extending from a ground-side electrically-feeding point 7.
  • the core-wire-side feeding point 6 and the ground-side feeding point 7 are provided on a glass surface adjacent to each other in a row arrangement, along an opening edge of a metallic flange 3 for a window of automobile (vehicle).
  • a distance between the core-wire-side feeding point 6 and (that opening edge of) the metallic flange 3 is substantially equal to a distance between the ground-side feeding point 7 and (that opening edge of) the metallic flange 3.
  • the core-wire-side element 10 extends from the core-wire-side feeding point 6 in a direction away from the opening edge of the metallic flange 3 which is closest to the core-wire-side feeding point 6, i.e., in a direction toward a substantially-central portion of a plate of the glass.
  • the ground-side element 20 extends from the ground-side feeding point 7 in the direction away from the opening edge of the metallic flange 3 which is closest to the ground-side feeding point 7, i.e., in the direction toward the substantially-central portion of the glass plate.
  • the core-wire-side element 10 and the ground-side element 20 extend parallel to each other.
  • the core-wire-side element 10 and the ground-side element 20 extend parallel to each other respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 in shown embodiments, the core-wire-side element 10 and/or the ground-side element 20 may be bent at any spot thereof in such a manner that the core-wire-side element 10 does not intersect with the ground-side element 20.
  • an antenna according to an example for better understanding the present invention is arranged at a location around (near) an upper or lower edge of the opening of the metallic flange 3 except locations near corners of the opening of the metallic flange 3, the core-wire-side element 10 and the ground-side element 20 which are constituted by lines (strips) are provided by extending the lines parallel to each other and in a direction that is perpendicular to the upper or lower edge and that is toward the substantially-central portion of the glass plate.
  • a location of the core-wire-side element 10 and a location of the ground-side element 20 can be interchanged to right and left.
  • the core-wire-side element 10 and the ground-side element 20 which extend in the direction perpendicular to the upper or lower edge (i.e., vertical direction) are disposed such that the ground-side element 20 is located close to the corner of the opening of the metallic flange 3 whereas the core-wire-side element 10 is located away from the corner of the opening of the metallic flange 3. (namely, the ground-side element 20 is located between the core-wire-side element 10 and the corner of the opening)
  • an antenna according to the present invention is arranged at a location around (near) a vertically-extending edge (hereinafter, vertical edge) of the opening of the metallic flange 3 except locations near corners of the opening of the metallic flange 3, namely, in a case that the antenna is arranged at an intermediate portion of the vertical edge of the opening;
  • the core-wire-side element 10 and the ground-side element 20 which are constituted by lines (strips) are provided by extending the lines in a horizontal direction toward the substantially-central portion of the glass plate.
  • a location of the core-wire-side element 10 and a location of the ground-side element 20 can be interchanged to up and down.
  • the core-wire-side element 10 and the ground-side element 20 which extend in the horizontal direction are disposed such that the ground-side element 20 is arranged close to the corner of the opening of the metallic flange 3 whereas the core-wire-side element 10 is arranged away from the corner of the opening of the metallic flange 3. (namely, the ground-side element 20 is located between the core-wire-side element 10 and the corner of the opening with respect to the vertical direction)
  • the ground-side element 20 is a ground-side first line (strip) 21 which extends in the direction away from a portion of the metallic flange 3 which is located closest to the ground-side electrically-feeding point 7.
  • the core-wire-side element 10 includes a core-wire-side first line (strip) 11 and a core-wire-side second line (strip) 13.
  • the core-wire-side first line 11 extends from the core-wire-side feeding point 6 substantially parallel to the ground-side element 20.
  • the core-wire-side second line 13 extends through an orthogonal line 12 in parallel with the core-wire-side first line 11 (from end of an orthogonal line 12) to have a clearance between the core-wire-side second line 13 and the core-wire-side first line 11.
  • the orthogonal line 12 extends from the core-wire-side feeding point 6 or an intermediate portion of the core-wire-side first line 11 in a direction perpendicular to the core-wire-side first line 11.
  • a length from the core-wire-side feeding point 6 to a tip (distal end) of the core-wire-side first line 11 is determined according to one of wavelengths of two resonance frequencies which are appropriately distant from each other within a frequency bandwidth of the Band III of DAB standard.
  • a length from the core-wire-side feeding point 6 to a tip of the core-wire-side second line 13 is determined according to another of the wavelengths of the two resonance frequencies.
  • the core-wire-side first line 11 and the core-wire-side second line 13 of the core-wire-side element 10 are disposed at a location sufficiently away from the metallic flange 3 so as not to be affected by the metallic flange 3.
  • the ground-side element 20 is disposed between the metallic flange 3 and the core-wire-side element 10.
  • a receiving sensitivity is enlarged by a strongest resonance because of the length of the core-wire-side first line.
  • the receiving sensitivity is enlarged by a strongest resonance because of the length of the core-wire-side second line. That is, the two different lines having lengths which cause resonances at the two separate frequencies (i.e., two frequencies having a sufficient interval therebetween) are provided to the core-wire-side element 10. Accordingly, airwaves can be favorably received over whole of the bandwidth defined by the Band III.
  • the antenna according to the present invention can favorably receive airwaves within the Band III of DAB standard which is the frequency band ranging from 174 to 240 MHz. Additionally, the antenna according to the present invention can properly receive airwaves within the L-Band of DAB standard which is another frequency band ranging from 1452 to 1492 MHz.
  • the length of the core-wire-side first line denotes a length from the core-wire-side feeding point to the tip of the core-wire-side first line
  • the length of the core-wire-side second line denotes a length from the core-wire-side feeding point to the tip of the core-wire-side second line.
  • the line length causing resonance is represented by ⁇ ⁇ /4, wherein ⁇ denotes a wavelength compaction ratio (wavelength shortening ratio) of the glass, and ⁇ denotes a wavelength of resonance frequency.
  • the ground-side element is not limited to a straight-line shape. That is, as shown in FIG. 5 , the ground-side element may be formed as a rectangular closed-loop line.
  • the core-wire-side element may be formed as an approximately rectangular closed-loop line by connecting a tip-nearby portion of the core-wire-side second line to the core-wire-side first line.
  • an antenna according to an example for better understanding the present invention is arranged on a front window glass of automobile (vehicle) as shown in FIGS. 8 and 9 , it is preferable that the antenna is provided at a location near the upper edge of the opening of the metallic flange in order not to obstruct a front visibility of driver. It is more preferable that the antenna is located at the upper edge of the opening of the metallic flange except locations near the corners of the opening.
  • the core-wire-side element 10 extends from the core-wire-side feeding point 6 in the vertical direction toward the substantially-central portion of the glass plate whereas the ground-side element 20 extends from the ground-side feeding point 7 in the vertical direction toward the substantially-central portion of the glass plate and in parallel with the core-wire-side element 10.
  • each of the core-wire-side element 10 and the ground-side element 20 is extended from the core-wire-side feeding point or the ground-side feeding point in the direction away from a portion of the metallic flange which is closest to the core-wire-side feeding point or the ground-side feeding point. That is, each of the core-wire-side element 10 and the ground-side element 20 extends in the direction toward the central portion of the glass plate. Accordingly, adverse effects by metallic body is reduced.
  • the ground-side element 20 is disposed at a location closer to the corner, i.e., closer to the vertical edge of the opening, and the core-wire-side element 10 is disposed at a location far from the vertical edge of the opening. Accordingly, harmful effects such as a noise from the metallic body can be blocked by the ground-side element.
  • any of the core-wire-side element 10 and the ground-side element 20 can be located closer to the vertical edge of the metallic flange because both of the core-wire-side element 10 and the ground-side element 20 keep sufficiently apart from the vertical edge.
  • an antenna according to the present invention is arranged on a rear window glass of automobile (vehicle) as shown in FIG. 10 , the antenna is compelled to be located near four corners of the opening of the metallic flange 3 in many cases.
  • a defogger 4 is provided to the rear window glass, and another antenna (not shown) is provided to a center portion of an upper or lower blank space of the defogger 4 (i.e., blank space above or below the defogger 4).
  • each element of the antenna according to the present invention is disposed in the vertical direction, there is a risk that the antenna interferes with the defogger 4 in dependence upon the length of the element of the antenna.
  • the each element 20, 30 of the antenna according to the present invention is disposed in the horizontal direction (parallel to the defogger 4).
  • the ground-side feeding point and the core-wire-side feeding point are arranged at the vertical edge except the corner in this order from a side of the corner. Then, the respective lines of the ground-side element 20 and the core-wire-side element 10 are extended in the horizontal direction away from the vertical edge of the flange.
  • the ground-side feeding point 7 and the core-wire-side feeding point 6 are aligned in this order from the location of the corner, and the ground-side element 20 and the core-wire-side element 10 are formed to extend respectively from the ground-side feeding point 7 and the core-wire-side feeding point 6 in the horizontal direction.
  • the core-wire-side element 10 is kept far away from a horizontally-extending edge (hereinafter, horizontal edge) of the metallic flange 3. Accordingly, the adverse effects such as a noise from the metallic flange 3 can be blocked by the ground-side element 20.
  • each of the ground-side element 20 and the core-wire-side element 10 is extended in the horizontal direction away from a portion of the vertical edge of the metallic flange which is closest to the ground-side feeding point or the core-wire-side feeding point. That is, each of the ground-side element 20 and the core-wire-side element 10 is extended in a direction toward the central portion of the glass plate. This is in order to reduce the adverse effects such as noises caused by the metallic body.
  • the core-wire-side feeding point and the ground-side feeding point can be aligned side by side along any of all opening edges of a metallic flange of a non-opening window (fixed-sash-type window) which constitutes the side window of the vehicle. Also in this case, the core-wire-side feeding point and the ground-side feeding point are not provided at corners of the metallic flange of the non-opening window.
  • an antenna In a case that (feeding points of) an antenna according to an example for better understanding the present invention is arranged along an upper or lower edge of the opening of the metallic flange 3 except locations near corners of the opening of the metallic flange 3, the core-wire-side element 10 and the ground-side element 20 extend respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 substantially parallel to each other and in a direction that is perpendicular to the upper or lower edge and that is toward the substantially-central portion of the glass plate.
  • the core-wire-side element 10 and the ground-side element 20 are extended respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 substantially parallel to each other and in the substantially-horizontal direction toward the substantially-central portion of the glass plate.
  • the ground-side element 20 is disposed at a side closer to the vertical edge of the opening of the metallic flange 3, i.e., closer to the corner whereas the core-wire-side element 10 is disposed at a side away from the vertical edge of the opening. Accordingly, the harmful effects from the metallic body can be blocked by the ground-side element.
  • the ground-side element 20 is horizontally arranged at a side closer to the horizontal edge of the opening of the metallic flange 3 (except the corner), i.e., closer to the corner whereas the core-wire-side element 10 is disposed at a side away from the horizontal edge. Accordingly, the harmful effects from the metallic body can be blocked by the ground-side element.
  • Each of the lines of the core-wire-side element 10 and the ground-side element 20 has a width ranging from 0.3 to 0.8 mm, approximately.
  • the core-wire-side feeding point 6 of the antenna for receiving the digital terrestrial radiobroadcast waves is connected to a core conductor of a coaxial cable.
  • the ground-side feeding point is connected to an enveloping conductor of the coaxial cable.
  • Such a glass antenna for the digital terrestrial radiobroadcast is provided at a location near the upper edge of the opening of the metallic flange of the front window of vehicle except at a location near the corners, as shown in FIG. 8 .
  • the glass antenna is provided at a location around the upper edge of the opening of the metallic flange of the front window of vehicle and near the corner.
  • the glass antenna is provided at a location around the vertical or horizontal edge of the metallic flange of the rear window glass and near the corner.
  • the glass antenna is provided at a location around the upper, lower or vertical edge of the metallic flange of the non-opening fixed window which constitutes the side window of vehicle, except the corner portion of the metallic flange.
  • the glass antenna can obtain a good reception gain, even used solely.
  • the reception gain can be enhanced even when receiving airwaves coming from a side (right-left) direction of the vehicle so that a directivity can be enhanced.
  • the core-wire-side feeding point 6 and the ground-side feeding point 7 of the antenna for the digital terrestrial radio are overlaid upon the ceramic-paste layer 2 after drying the ceramic-paste layer 2. Accordingly, the respective core-wire-side feeding point 6 and ground-side feeding point 7 of the antenna become invisible from an outside of the vehicle, resulting in an improvement of visual quality.
  • the above-explained antenna pattern according to the present invention can be produced by printing an electrically-conductive material on a transparent resin film or sheet having an adhesive face or by sticking wire lines and the like on the transparent resin film or sheet. Then, such a produced antenna pattern can be stuck on the surface of the window glass of automobile, a surface of window glass for architectural construction, various types of panels and the like.
  • the antenna pattern according to the present invention may be produced by printing an electrically-conductive material on a transparent resin film or sheet having an adhesive face or by sticking wire lines and the like on the transparent resin film or sheet. Then, such a produced antenna pattern may be stuck on the surface of the window glass of automobile.
  • an antenna in a first example according to the present invention is arranged on a surface of the rear window glass 1 near the vertical edge of the opening of the metallic flange 3.
  • This antenna is an ungrounded-type (floating) antenna for the digital terrestrial radio which is constituted by two elements of the core-wire-side element 10 and the ground-side element 20.
  • the ground-side element 20 includes a ground-side first line 21 extending from an upper edge of the ground-side feeding point 7 in the horizontal direction away from the vertical edge of the opening of the metallic flange 3.
  • the ground-side feeding point 7 is formed in a square shape having horizontal and vertical edges each having a length equal to 12 mm.
  • the ground-side first line 21 has a length equal to 50 mm.
  • the core-wire-side element 10 includes the core-wire-side first line 11 and the core-wire-side second line 13.
  • the core-wire-side first line 11 extends from an upper edge of the core-wire-side feeding point 6 in the horizontal direction away from the vertical edge of the opening of the metallic flange 3.
  • the core-wire-side feeding point 6 is formed in a square shape having horizontal and vertical edges each having a length equal to 12 mm.
  • the core-wire-side first line 11 has a length equal to 120 mm.
  • the core-wire-side second line 13 includes the orthogonal line 12 extending from an intermediate portion (some middle-point) of the core-wire-side first line 11 in the vertical direction toward the ground-side element 20.
  • the orthogonal line 12 is disposed orthogonal to the core-wire-side first line 11 in a manner branched from the core-wire-side first line 11.
  • the orthogonal line 12 has a length equal to 25 mm.
  • the core-wire-side second line 13 extends from a tip of the orthogonal line 12 in the same direction as the extending direction of the core-wire-side first line 11.
  • the portion of the core-wire-side second line 13 which extends from the tip of the orthogonal line 12 has a length equal to 25 mm.
  • a length (distance) between an end portion of the core-wire-side feeding point 6 and a branch point of the orthogonal line 12 from the core-wire-side first line 11 is equal to 10 mm.
  • An amount of clearance between the core-wire-side feeding point 6 and the ground-side feeding point 7 is equal to 18 mm.
  • the respective feeding points and the respective lines of the core-wire-side element 10 and the ground-side element 20 were formed as follows.
  • An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate to cause a width of each line 11, 12, 13 and 21 of the core-wire-side element 10 and the ground-side element 20 to become equal to 0.7 mm. Then, the ceramic paste printed on the window glass plate is dried and burnt in a heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the first example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz.
  • FIG. 12 A frequency characteristic within the frequency range of the Band III is shown in FIG. 12 which was obtained by the pattern of the first example (see FIG. 1 ) according to the present invention and a pattern of an after-mentioned first comparative example.
  • a reception sensitivity of the pattern of the first example according to the present invention that is shown by a solid line is higher than a reception sensitivity of the pattern of the first comparative example that is shown by a dotted line, over the entire frequency range of the Band III.
  • an antenna pattern in a second example according to the present invention is arranged on a surface of the rear window glass 1 near the vertical edge of the opening of the metallic flange 3.
  • the second line of the core-wire-side element 10 is extended directly from the core-wire-side feeding point 6 in the vertical direction (i.e., direction perpendicular to the core-wire-side first line 11), as is different from the antenna pattern shown in FIG. 1 according to the first example.
  • the respective lengths of the orthogonal line 12 and the horizontally-extending portion of the core-wire-side second line 13 of the core-wire-side element 10 in the second example are different from those in the first example.
  • the total length from the core-wire-side feeding point 6 to the tip of the core-wire-side second line in the second example is equal to 60 mm, and is substantially equal to that of the first example.
  • the length of the core-wire-side first line 11 and the length of the ground-side element 20 in the second example are equal to those of the first example. Also, the distance between the two feeding points in the second example is equal to that in the first example.
  • the antenna according to the second example was formed as follows, in the same manner as the first example. An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the second example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz. As a result, satisfactory receiving sensitivity was obtained to sufficiently satisfy a practical level, in the same manner as the first example.
  • the core-wire-side feeding point 6 and the ground-side feeding point 7 of an antenna in a third example according to an example for better understanding the present invention are aligned along the upper edge.
  • the core-wire-side element 10 and the ground-side element 20 are extended respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 in the vertical direction.
  • This structure is different from the first and second examples in which the core-wire-side element 10 and the ground-side element 20 are extended respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 in the horizontal direction.
  • the core-wire-side second line of the core-wire-side element 10 extends from the core-wire-side feeding point in the perpendicularly-lower direction.
  • this core-wire-side second line is extended directly from the core-wire-side feeding point 6 in a left direction (of FIG. 3 ) away from the vertical edge of the opening of the metallic flange 3, and then, is extended from a tip of the left-directional extension in the extending direction of the core-wire-side first line and in parallel with the core-wire-side first line.
  • This structure is different from the pattern of FIG. 2 according to the second example.
  • the ground-side element 20 extending from the ground-side feeding point 7 in a direction away from the metallic flange has a shape same as the pattern according to the second example.
  • the antenna according to the third example was formed as follows, in the same manner as the second example. An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the third example which was formed in the above processing was provided to the front window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz. As a result, satisfactory receiving sensitivity was obtained to sufficiently satisfy a practical level, in the same manner as the second example.
  • an antenna pattern in a fourth example according to the present invention is arranged on a surface of the rear window glass 1 near the vertical edge of the opening of the metallic flange 3.
  • the second line 13 of the core-wire-side element 10 includes the orthogonal line 12 which extends from an intermediate portion of the core-wire-side first line 11 in a lower direction orthogonal to the core-wire-side first line 11 in a manner branched from the core-wire-side first line 11.
  • the core-wire-side second line 13 further includes a portion extending from a tip of the orthogonal line 12 in parallel with the core-wire-side first line 11. Such a structure is different from the antenna pattern shown in FIG. 1 according to the first example.
  • the other structures of the fourth example are identical with those of the first example.
  • the antenna according to the fourth example was formed as follows, in the same manner as the first example. An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the fourth example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz. As a result, satisfactory receiving sensitivity was obtained to sufficiently satisfy a practical level, in the same manner as the first example.
  • an antenna pattern in a fifth example according to the present invention is arranged on a surface of the rear window glass 1 at the vertical edge of the opening of the metallic flange 3.
  • the ground-side element 20 is formed in a closed-loop shape. This structure is different from the antenna pattern shown in FIG. 2 according to the second example.
  • a shape of the core-wire-side element 10 in the fifth example is identical with that in the second example.
  • the ground-side element 20 has two horizontal lines that extend in the horizontal direction respectively from the ground-side feeding point 7 to keep a width of the ground-side feeding point 7. By connecting tips of these two horizontal lines with each other, the ground-side element 20 has a rectangular shape.
  • the antenna according to the fifth example was formed as follows, in the same manner as the second example. An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the fifth example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz. As a result, satisfactory receiving sensitivity was obtained to sufficiently satisfy the practical level, in the same manner as the second example.
  • an antenna pattern in a sixth example according to the present invention is arranged on a surface of the rear window glass 1 near the vertical edge of the opening of the metallic flange 3.
  • the second line of the core-wire-side element 10 includes the orthogonal line which extends from an intermediate portion of the first line of the core-wire-side element 10 in a branched manner, and a portion which extends from the tip of the orthogonal line. A tip of this portion of the second line is connected with the first line of the core-wire-side element 10, so that the core-wire-side element 10 includes a rectangular-shaped portion.
  • Such a structure is different from the antenna pattern shown in FIG. 2 according to the second example.
  • the length of the core-wire-side first line 11 of the core-wire-side element, the length of the ground-side element 20, and the distance between the two feeding points in the sixth example are respectively same as those in the second example.
  • the antenna according to the sixth example was formed as follows, in the same manner as the first example. An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the sixth example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz. As a result, satisfactory receiving sensitivity was obtained to sufficiently satisfy the practical level, in the same manner as the second example.
  • an antenna pattern in a seventh example according to the present invention is arranged on a surface of the rear window glass 1 near the vertical edge of the opening of the metallic flange 3.
  • arrangement locations of the orthogonal line 12 and the core-wire-side second line 13 of the core-wire-side element 10 are respectively different from those of the antenna pattern shown in FIG. 2 according to the second example.
  • the orthogonal line 12 is extended in a branched manner from an intermediate portion of the core-wire-side first line in a direction orthogonal to the core-wire-side first line. From a tip of this orthogonal line 12, the core-wire-side second line is extended in both of right and left directions.
  • the core-wire-side first line 11 and the ground-side element 20 and the like are same as those of the second example.
  • the antenna according to the seventh example was formed as follows, in the same manner as the second example. An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the seventh example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz. As a result, satisfactory receiving sensitivity was obtained to sufficiently satisfy the practical level, in the same manner as the second example.
  • the core-wire-side feeding point 6 and the ground-side feeding point 7 of an antenna in an eighth example according to an example for better understanding the present invention are aligned side-by-side along the upper edge.
  • the core-wire-side element 10 and the ground-side element 20 are extended respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 in the vertical direction.
  • Each of the core-wire-side element 10 and the ground-side element 20 is bent (turned) at a right angle (90°) at an arbitrary point thereof.
  • This structure is different from the seventh example in which the core-wire-side element 10 and the ground-side element 20 are simply extended respectively from the core-wire-side feeding point 6 and the ground-side feeding point 7 straightly in the horizontal direction.
  • the lengths of the respective lines in the eighth example are equal to those in the seventh example.
  • the respective feeding points and the respective lines of the core-wire-side element 10 and the ground-side element 20 were formed as follows.
  • An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate to cause a width of each line to become equal to 0.7 mm. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the eighth example which was formed in the above processing was provided to the front window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz.
  • FIG. 15 shows a frequency characteristic obtained by the antenna pattern of the eighth example (see FIG. 13 ) and a frequency characteristic obtained by the antenna pattern of the after-mentioned first comparative example (see FIG. 11 ), in the frequency range of the Band III.
  • the receiving sensitivity shown by a solid line which is obtained by the antenna pattern of the eighth example is higher than a receiving sensitivity shown by a dotted line which is obtained by the antenna pattern of the first comparative example, over the entire frequency range of the Band III.
  • a core-wire-side element 10' is constituted only by a core-wire-side first line as shown in the first example according to the present invention (see FIG. 1 ).
  • This core-wire-side first line has a length which causes resonance at an intermediate frequency of the Band III.
  • the ground-side element 20 of the first comparative example is same as that of the pattern of the first example according to the present invention.
  • the antenna according to the first comparative example was formed as follows, in the same manner as the first example according to the present invention.
  • An electrically-conductive ceramic paste is printed on a predetermined location of an interior-side surface of the window glass plate. Then, the ceramic paste printed on the window glass plate is dried and burnt in the heating furnace.
  • the antenna for receiving the digital terrestrial radiobroadcast waves in the first comparative example which was formed in the above processing was provided to the rear window glass of automobile. Then, the core-wire-side feeding point 6 was connected with a core conductor of a coaxial cable extended from a tuner (not shown) whereas the ground-side feeding point 7 was connected with an enveloping conductor of the coaxial cable.
  • This antenna received the digital terrestrial radiobroadcast waves in the frequency range of the Band III which is ranging from 174 to 240 MHz.
  • the antenna of the first comparative example produced a frequency characteristic (shown by thin dotted line) lower than the frequency characteristic (shown by thick dotted line) of the first example according to the present invention. Accordingly, it became clear that the frequency characteristic of the first example according to the present invention is superior to that of the first comparative example.
  • the Band III of DAB standard is defined by a low-frequency-level band which ranges from 174 to 240 MHz, the Band III has a broad bandwidth equal to 66MHz.
  • an antenna is designed to resonate at only one resonance frequency which is a center value of the Band III, a frequency area(s) in which resonance cannot occur exists within the Band III because a frequency bandwidth over which resonance exceeding a certain level can occur is narrow.
  • two or more resonance frequencies at which the receiving characteristic takes peaks are set within the Band III to have a frequency spacing therebetween. Therefore, a frequency area(s) which is distant from the resonance frequency and hence in which the receiving sensitivity is low is reduced as compared with the case where only one resonance frequency is set within the Band III. Accordingly, the antenna according to the present invention can obtain good receiving characteristic over the entire range of the Band III.

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Claims (10)

  1. Fahrzeug mit einer Scheibenantenne, wobei die Scheibenantenne vom nicht geerdeten Typ ist und ausgestaltet ist, um Funkwellen über eine gesamte Frequenzbandbreite des Bands III des DAB-Standards für digitale terrestrische Rundfunkwellen zu empfangen, wobei die Antenne umfasst:
    Einspeisepunkte (6, 7) an einer Drahtkernseite und an einer Masseseite, die jeweils mit einem Kern und umhüllenden elektrischen Leitern eines Koaxialkabels verbunden sind und nahe beieinander auf einer Scheibenoberfläche einer Glasscheibe eines Fensters des Fahrzeugs in der Nähe einer Öffnung mit einem metallischen Flansch (3) des Fensters ausgerichtet sind;
    ein Element (20) an der Masseseite mit einer Leitung (21), die sich von dem Einspeisepunkt (7) an der Masseseite hin zu einem im wesentlichen zentralen Abschnitt der Glasscheibe in eine horizontale Richtung weg von einem Abschnitt des metallischen Flansches (3) erstreckt, der sich am nächsten bei dem Einspeisepunkt (7) an der Masseseite befindet; und
    ein Element (10) an der Drahtkernseite mit
    einer ersten Leitung (11) an der Drahtkernseite, die sich von dem Einspeisepunkt (6) an der Drahtkernseite im Wesentlichen parallel zu der Leitung (21) des Elements (20) an der Masseseite erstreckt, und
    einer zweiten Leitung (13) an der Drahtkernseite, die sich parallel zu der ersten Leitung (11) an der Drahtkernseite von einer orthogonalen Leitung (12) aus erstreckt, wobei sich die orthogonale Leitung (12) in eine Richtung orthogonal zu der ersten Leitung (11) an der Drahtkernseite von einem Zwischenabschnitt der ersten Leitung (11) an der Drahtkernseite auf verzweigte Weise oder direkt von dem Einspeisepunkt (6) an der Drahtkernseite aus erstreckt,
    wobei eine Länge von dem Einspeisepunkt (6) an der Drahtkernseite bis zu einem Ende der ersten Leitung (11) an der Drahtkernseite und eine Länge von dem Einspeisepunkt (6) an der Drahtkernseite bis zu einem Ende der zweiten Leitung (13) an der Drahtkernseite auf der Grundlage von Wellenlängen von zwei separaten Resonanzfrequenzen in der Frequenzbandbreite so festgelegt sind, dass sie eine Resonanz bei jeder der zwei separaten Resonanzfrequenzen verursachen,
    wobei die Antenne in der Nähe eines vertikalen Rands der Öffnung mit dem metallischen Flansch (3) und in der Nähe einer Ecke der Öffnung bereitgestellt ist und der Einspeisepunkt (7) an der Masseseite näher bei der Ecke angeordnet ist, während der Einspeisepunkt (6) an der Drahtkernseite von der Ecke weiter entfernt und näher bei dem vertikalen Rand angeordnet ist.
  2. Fahrzeug nach Anspruch 1, wobei
    sowohl die erste Leitung (11) an der Drahtkernseite als auch die zweite Leitung (13) an der Drahtkernseite als auch die Leitung (21) des Elements (20) an der Masseseite an einem bestimmten Punkt derselben derart gebogen sind, dass die erste Leitung (11) an der Drahtkernseite, die zweite Leitung (13) an der Drahtkernseite und die Leitung (21) des Elements (20) an der Masseseite einander nicht schneiden.
  3. Fahrzeug nach Anspruch 1 oder 2, wobei
    jede der Längen durch eine Beziehung α
    Figure imgb0001
    / 4 gegeben ist, wobei α ein Wellenlängenverdichtungsverhältnis des Glases bezeichnet und
    Figure imgb0001
    die Wellenlänge der entsprechenden Resonanzfrequenz bezeichnet.
  4. Fahrzeug nach einem der Ansprüche 1 bis 3, wobei
    das Element (20) an der Masseseite eine Leitung mit rechteckiger geschlossener Schleife ist.
  5. Fahrzeug nach einem der Ansprüche 1 bis 4, wobei
    ein Endabschnitt der zweiten Leitung (13) an der Drahtkernseite des Elements (10) an der Drahtkernseite mit der ersten Leitung (11) an der Drahtkernseite verbunden ist, um eine Leitung mit einer im Wesentlichen rechteckigen geschlossenen Schleife auszubilden.
  6. Fahrzeug nach einem der Ansprüche 1 bis 5, wobei
    die Antenne an einer Stelle in der Nähe eines Eckenabschnitts der Öffnung für eine Heckfensterscheibe des Fahrzeugs bereitgestellt ist.
  7. Fahrzeug nach einem der Ansprüche 1 bis 5, wobei
    die Antenne in der Öffnung für eine sich nicht öffnende Fensterscheibe, welche ein Seitenfenster des Fahrzeugs bildet, bereitgestellt ist.
  8. Fahrzeug nach einem der Ansprüche 1 bis 7, wobei
    ein Muster der Antenne aus einem Film oder Blatt aus einem transparenten Kunstharz mit einer Klebeseite ausgebildet ist, auf welcher ein elektrisch leitfähiges Material aufgedruckt ist, oder auf welcher Drahtleitungen festgeklebt sind, und
    das Muster der Antenne auf der Fensterscheibenoberfläche des Fahrzeugs festgeklebt ist.
  9. Fahrzeug nach einem der Ansprüche 1 bis 4 und 6 bis 8, wobei
    sich die orthogonale Leitung (12) von dem Zwischenabschnitt der ersten Leitung (11) an der Drahtkernseite aus in die Richtung orthogonal zu den ersten Leitung (11) an der Drahtkernseite auf verzweigte Weise erstreckt, und
    sich die zweite Leitung (13) an der Drahtkernseite von einem Ende der orthogonalen Leitung (12) aus in beide Richtungen parallel zu der ersten Leitung (11) an der Drahtkernseite erstreckt, sodass sie das Ende der zweiten Leitung (13) an der Drahtkernseite und ein weiteres Ende der zweiten Leitung (13) an der Drahtkernseite aufweist.
  10. Fahrzeug nach Anspruch 5, wobei
    sich die zweite Leitung (13) an der Drahtkernseite von der orthogonalen Leitung (12) aus in eine Richtung erstreckt, in welche sich die erste Leitung (11) an der Drahtkernseite von dem Einspeisepunkt (6) an der Drahtkernseite aus erstreckt.
EP11795510.4A 2010-06-16 2011-05-20 Fensterscheibenantenne für fahrzeuge Active EP2581983B1 (de)

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Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2771185B1 (de) 2011-10-28 2018-11-28 Corning Incorporated Glasartikel mit infrarot-reflektivität und herstellungsverfahren dafür
JP6007700B2 (ja) * 2012-09-20 2016-10-12 旭硝子株式会社 ガラスアンテナ及び窓ガラス
JP6064521B2 (ja) * 2012-10-30 2017-01-25 ミツミ電機株式会社 フィルムアンテナ装置
JP6251476B2 (ja) * 2012-12-20 2017-12-20 セントラル硝子株式会社 車両用ガラスアンテナ
WO2014104365A1 (ja) 2012-12-27 2014-07-03 旭硝子株式会社 ガラスアンテナ付き車両用フロントガラス
JP6094334B2 (ja) * 2013-04-02 2017-03-15 セントラル硝子株式会社 車両用ガラスアンテナ
JP6123457B2 (ja) * 2013-04-25 2017-05-10 セントラル硝子株式会社 自動車用ガラスアンテナ
JP6330811B2 (ja) * 2013-07-31 2018-05-30 旭硝子株式会社 アンテナ装置
WO2015019904A1 (ja) * 2013-08-05 2015-02-12 旭硝子株式会社 アンテナ装置
JP6363346B2 (ja) * 2014-01-17 2018-07-25 日本板硝子株式会社 車両用ガラスアンテナ
JP6503842B2 (ja) * 2015-03-31 2019-04-24 Ａｇｃ株式会社 車両用アンテナ及び車両用アンテナを備えた窓板
WO2016176096A1 (en) 2015-04-30 2016-11-03 Corning Incorporated Electrically conductive articles with discrete metallic silver layers and methods for making same
WO2016190064A1 (ja) * 2015-05-22 2016-12-01 日本板硝子株式会社 車両用の窓ガラス及びｄａｂ用ガラスアンテナ
JP2017005354A (ja) * 2015-06-05 2017-01-05 旭硝子株式会社 車両用ガラスアンテナ及び車両用アンテナを備えた後部窓ガラス
JP2017060069A (ja) * 2015-09-18 2017-03-23 セントラル硝子株式会社 地上波デジタルｔｖ放送波受信用のガラスアンテナ
JP2017118400A (ja) 2015-12-25 2017-06-29 セントラル硝子株式会社 ガラスアンテナ及び窓ガラス
JP6319407B2 (ja) * 2016-11-29 2018-05-09 セントラル硝子株式会社 車両用ガラスアンテナ
JP6812824B2 (ja) 2017-02-14 2021-01-13 Ａｇｃ株式会社 車両用窓ガラス
CN110073547B (zh) * 2017-04-12 2021-05-25 中央硝子株式会社 天线和窗玻璃
JP7212285B2 (ja) 2018-03-22 2023-01-25 セントラル硝子株式会社 車両用窓ガラス
JP7206885B2 (ja) * 2018-12-18 2023-01-18 Ａｇｃ株式会社 アンテナ装置、アンテナ装置付き窓ガラス及びアンテナシステム
JP7205259B2 (ja) * 2019-01-31 2023-01-17 Ａｇｃ株式会社 車両用ガラスアンテナ、車両用窓ガラス及び車両用アンテナシステム

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2795591B2 (ja) * 1993-01-27 1998-09-10 セントラル硝子株式会社 車両用のガラスアンテナ
JPH0746016A (ja) 1993-07-30 1995-02-14 Nippon Sheet Glass Co Ltd 自動車電話用窓ガラスアンテナ
TW423180B (en) * 1997-01-31 2001-02-21 Terajima Fumitaka Glass antenna device for an automobile
JPH1127027A (ja) * 1997-06-30 1999-01-29 Asahi Glass Co Ltd 自動車用高周波ガラスアンテナ
JP3565406B2 (ja) * 1998-11-16 2004-09-15 セントラル硝子株式会社 車両用ガラスアンテナ
JP2000295023A (ja) * 1999-04-09 2000-10-20 Harada Ind Co Ltd Ｄａｂフィルムアンテナ
JP2001127519A (ja) * 1999-10-28 2001-05-11 Asahi Glass Co Ltd 自動車用サイド窓ガラスアンテナ
JP2002064317A (ja) * 2000-08-22 2002-02-28 Nippon Sheet Glass Co Ltd 車両用ガラスアンテナおよび車両用ガラスアンテナ装置
JP2004112291A (ja) * 2002-09-18 2004-04-08 Asahi Glass Co Ltd 自動車用のアース端子装置
JP2005229140A (ja) * 2003-03-19 2005-08-25 Central Glass Co Ltd 車両用アンテナ
DE102005009443A1 (de) * 2005-03-02 2006-09-07 Hirschmann Electronics Gmbh Folienantenne für ein Fahrzeug
JP2007067884A (ja) * 2005-08-31 2007-03-15 Yokowo Co Ltd アンテナ
JP4941171B2 (ja) * 2007-08-20 2012-05-30 セントラル硝子株式会社 車両用ガラスアンテナ
DE102008011131A1 (de) * 2008-02-26 2009-09-10 Bayerische Motoren Werke Aktiengesellschaft Antennenanordnung für ein Kraftfahrzeug
JP5446536B2 (ja) * 2008-09-12 2014-03-19 セントラル硝子株式会社 ガラスアンテナ
JP2010154504A (ja) * 2008-11-20 2010-07-08 Asahi Glass Co Ltd 車両用ガラスアンテナ及び車両用窓ガラス

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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JP2012023707A (ja) 2012-02-02
AU2011266380B2 (en) 2014-03-20
CN102971907B (zh) 2015-04-22
CN102971907A (zh) 2013-03-13
WO2011158602A1 (ja) 2011-12-22
EP2581983A1 (de) 2013-04-17
AU2011266380A1 (en) 2013-01-24
JP5720308B2 (ja) 2015-05-20

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