WO2010092983A1 - Antenna device for vehicle window - Google Patents
Antenna device for vehicle window Download PDFInfo
- Publication number
- WO2010092983A1 WO2010092983A1 PCT/JP2010/051966 JP2010051966W WO2010092983A1 WO 2010092983 A1 WO2010092983 A1 WO 2010092983A1 JP 2010051966 W JP2010051966 W JP 2010051966W WO 2010092983 A1 WO2010092983 A1 WO 2010092983A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle window
- antenna device
- ground pattern
- ground
- pattern
- Prior art date
Links
- 239000010408 film Substances 0.000 description 12
- 230000035945 sensitivity Effects 0.000 description 10
- 239000011521 glass Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000005404 monopole Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
- H01Q9/36—Vertical arrangement of element with top loading
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/32—Vertical arrangement of element
- H01Q9/38—Vertical arrangement of element with counterpoise
Definitions
- the present invention relates to a vehicle window antenna device, and more particularly to an ungrounded vehicle window antenna device.
- the antenna provided in the vehicle window is roughly divided into a glass antenna and a film antenna.
- the glass antenna is obtained by printing antenna wires on glass in advance.
- an antenna element is provided on an adhesive film, and the film is adhered to glass.
- some film antennas include an adhesive layer provided on an antenna element provided on a film, and after being attached to a vehicle window such as glass, the film is peeled off so that only the antenna element remains on the glass or the like.
- the term “vehicle window antenna device” includes a glass antenna, a film antenna, an antenna having a structure in which only an antenna element is left, and the like.
- vehicle window antenna devices for each arranged window, such as a front window, a rear window, and a side window.
- an ungrounded antenna device is superior in terms of workability in installation to a vehicle, compared to a grounded antenna device that requires grounding on the vehicle body.
- Patent Document 1 discloses a non-grounded monopole antenna device including a monopole antenna element and ground elements arranged in an L shape on both sides thereof.
- the present invention is intended to provide a vehicle window antenna device that is easy to obtain impedance matching and has a lot of room for adjustment while being an antenna element having a small and simple pattern.
- a vehicle window antenna device is disposed substantially parallel to a vehicle body edge, and includes a ground pattern having a ground terminal and a loop-shaped portion, and a ground pattern. And an antenna element extending from the feed terminal in a direction perpendicular to the ground pattern.
- the ground pattern may have a plurality of bridge patterns parallel to the antenna element inside the loop-shaped portion.
- the ground pattern may have a gap at least at one place of the loop-shaped portion.
- the antenna element may have two patterns extending in parallel from the power supply terminal in a direction perpendicular to the ground pattern.
- the tip of the two patterns of the antenna element may be coupled to the antenna element.
- the power supply terminal may be arranged near the center of the ground pattern in the longitudinal direction.
- the ground pattern may be arranged so as to surround a part of the power supply terminal with a predetermined interval.
- the ground pattern may have a line pattern extending in parallel with the longitudinal direction of the ground pattern from the ground terminal.
- the ground pattern may be one in which a loop portion is arranged near the tip of the ground pattern far from the power supply terminal.
- the vehicle window antenna device of the present invention has an advantage that impedance matching can be easily performed while the antenna element has a small and simple pattern. There is also an advantage that the antenna characteristics can be easily adjusted.
- FIG. 1 is a schematic plan view for explaining a vehicle window antenna device according to a first embodiment of the present invention.
- FIG. 2 is a schematic plan view for explaining another arrangement example of the feeding terminals of the vehicle window antenna device of the present invention.
- FIG. 3 is a schematic plan view for explaining still another arrangement example of the feeding terminals of the vehicle window antenna device of the present invention.
- FIG. 4 is a schematic plan view for explaining the vehicle window antenna device according to the second embodiment of the present invention.
- FIG. 5 is a schematic plan view for explaining a vehicle window antenna device according to a third embodiment of the present invention.
- FIG. 6 is a schematic plan view for explaining an example in which the ground pattern has two gaps in the vehicle window antenna device of the third embodiment of the present invention.
- FIG. 7 is a frequency vs.
- FIG. 8 is a schematic plan view for explaining an example in which the antenna element has two patterns in the vehicle window antenna device of the present invention.
- FIG. 9 is a schematic plan view for explaining an example in which the tip portions of two patterns of antenna elements are combined and provided in a loop shape in the vehicle window antenna device of the present invention.
- FIG. 10 is a schematic plan view for explaining the vehicle window antenna device of the fourth embodiment of the present invention.
- FIG. 1 is a schematic plan view for explaining a vehicle window antenna device according to a first embodiment of the present invention.
- the vehicle window antenna device of the present invention includes a ground pattern 10, a feeding terminal 20, and an antenna element 30.
- the ground pattern 10 has a ground terminal 11 and a loop-shaped portion.
- the ground terminal 11 is connected to the ground side of the connector 1 for connecting to an external device (not shown) via a cable.
- the vehicle window antenna device of the present invention is arranged on the vehicle window such that the ground pattern 10 is substantially parallel to the edge of the vehicle body R such as a roof or a pillar.
- the ground pattern 10 in the illustrated example is provided with a recess that surrounds a part of the power supply terminal 20 with a predetermined interval. In the illustrated example, the recess is provided in the vicinity of the center portion of the ground pattern 10 in the longitudinal direction.
- the ground terminal 11 is provided on the left side of the power supply terminal 20, but the present invention is not limited to this, and the ground terminal may be provided on the right side of the power supply terminal. Further, ground terminals may be provided on both sides of the power supply terminal, and the power supply terminal may be arranged between the two ground terminals. This makes it possible to configure the antenna pattern symmetrically. For example, when a diversity antenna is realized using the antenna device of the present invention, when the antenna device is installed on the left and right of the vehicle window, the connector cable can be drawn out from either the left or right with one antenna pattern.
- the power supply terminal 20 is disposed in the vicinity of the ground pattern 10, and the illustrated example has a substantially square shape.
- the power supply terminal 20 is disposed so as to be accommodated in the above-described concave portion of the ground pattern 10 with a predetermined interval. Therefore, the ground pattern 10 is disposed so as to surround a part of the power supply terminal 20 with a predetermined interval.
- the ground pattern 10 is arranged symmetrically with respect to the power supply terminal 20.
- the power supply terminal 20 is connected to the hot side of the connector 1 and is connected to an external device (not shown) via a cable.
- the antenna element 30 extends from the power supply terminal 20.
- the illustrated antenna element 30 is a monopole antenna element, and is electrically connected to the power supply terminal 20 and extends in a direction perpendicular to the longitudinal direction of the ground pattern 10.
- the antenna apparatus for vehicle windows is comprised by T shape.
- the “vertical direction” does not necessarily have to be strictly vertical, but may be a concept that extends substantially in the vertical direction.
- a conductive thin film may be disposed on the film. That is, the conductive thin film is arranged on the film 2 in a pattern as shown so as to become the ground pattern 10, the feeding terminal 20, and the antenna element 30.
- the ground terminal 11 and the power supply terminal 20 are formed so that the conductive thin film of the portion is exposed so as to be electrically connected to the connector, and the other portions may be coated with a film or the like.
- the present invention with such a configuration, it is possible to realize a vehicle window antenna device that has a small and simple antenna pattern and is less likely to be an obstacle to the driver of the vehicle.
- the ground is apparently large due to the loop-shaped ground pattern, sufficient antenna performance can be exhibited even in the frequency band for digital terrestrial broadcasting, for example, even in the non-ground type.
- FIG. 2 is a schematic plan view for explaining another arrangement example of the feeding terminals of the vehicle window antenna device of the present invention.
- the ground pattern 10 is not provided with a concave portion, and a convex ground terminal 12 is provided inside the pattern of the loop-like portion.
- a power supply terminal 20 is provided in the vicinity of the convex ground terminal 12.
- FIG. 3 is a schematic plan view for explaining still another arrangement example of the feeding terminals of the vehicle window antenna device of the present invention. In the figure, the same reference numerals as those in FIG.
- the ground terminal 13 of the ground pattern 10 is provided at the end of the loop-shaped portion.
- the electric power feeding terminal 20 is arrange
- the power supply terminal 20 is disposed in the vicinity of the right side of the ground terminal 13.
- the present invention is not limited to this, and the power supply terminal 20 may be disposed in the vicinity of the lower side of the ground terminal 13, for example. .
- the feeding terminal is arranged in the vicinity of the ground pattern having the loop-shaped portion, and the antenna element is arranged in the direction perpendicular to the ground pattern.
- FIG. 4 is a schematic plan view for explaining the vehicle window antenna device according to the second embodiment of the present invention.
- the ground pattern 17 has a plurality of bridge patterns 14 extending in a direction parallel to the antenna element 30 inside the loop portion.
- the ground pattern 17 is arranged symmetrically about the feeding terminal 20.
- the ground pattern 17 is provided with two ground terminals 15 and 16, and a power supply terminal 20 is disposed between them.
- the antenna pattern can be configured symmetrically.
- the connector cable can be pulled out from either the left or right side with one antenna pattern.
- the vehicle window antenna device is not limited to the illustrated example, and the number, width, and left / right symmetry of the bridge pattern can be changed as appropriate.
- various antenna characteristics such as reception sensitivity characteristics and VSWR characteristics can be adjusted. For example, it is possible to adjust by increasing or decreasing the bridge pattern or changing the line width so that the reception sensitivity is improved in a desired band or the VSWR is lowered so as to reduce the impedance mismatch.
- FIG. 5 is a schematic plan view for explaining a vehicle window antenna device according to a third embodiment of the present invention.
- the parts denoted by the same reference numerals as those in FIG. 4 generally represent the same items.
- the vehicle window antenna device of the third embodiment is provided so that the loop-shaped portion of the ground pattern has a gap at least at one location.
- the ground pattern 18 is provided with a gap 19 in one place of the loop-shaped portion.
- the loop pattern of the ground pattern is a closed loop, so the line length of the ground pattern is the length from end to end of the ground pattern.
- the line length is extended. Thereby, it is possible to improve the antenna characteristics in the low frequency band. Further, by adjusting the width of the gap, the antenna characteristics can be easily adjusted, so that impedance matching can be easily achieved.
- FIG. 5 shows an example in which the gap is provided at one place
- the present invention is not limited to this, and a gap may be provided at a plurality of places.
- FIG. 6 shows a schematic plan view of an example in which the ground pattern has two gaps in the vehicle window antenna device of the third embodiment of the present invention.
- the portions denoted by the same reference numerals as those in FIG. As shown in the figure, even if the gaps 19 are provided at two locations, the line length of the ground pattern can be adjusted as in the example shown in FIG.
- the vehicle window antenna device according to the third embodiment of the present invention can easily adjust the antenna characteristics by providing the gap in the loop portion of the ground pattern, and can easily achieve impedance matching. Become.
- FIG. 7 is a frequency vs. sensitivity characteristic graph for comparing the reception performance of the vehicle window antenna device shown in FIG. 4 and the vehicle window antenna device shown in FIG.
- the characteristics on the high frequency side are equivalent to each other, and it can be seen that the vehicle window antenna device shown in FIG. 4 is slightly more sensitive. Also, the sensitivity characteristics are greatly different on the low frequency side. That is, it can be seen that the vehicle window antenna device shown in FIG. 6 has a significant improvement in sensitivity characteristics in the low frequency band. This is advantageous because, for example, an effect of improving sensitivity characteristics can be obtained in a low band used in a densely populated area.
- the antenna element cannot be lengthened due to the influence on the field of view of the driver of the vehicle and legal restrictions.
- the vehicle window antenna device of the present invention since the antenna characteristics in the low frequency band can be improved as described above, the antenna characteristics can be easily improved without increasing the length of the tip of the antenna element that obstructs the field of view. Adjustable.
- the antenna element has shown a pattern of one conducting wire extending in the vertical direction from the power supply terminal.
- the present invention is not limited to this, and the antenna element extends in parallel from the power supply terminal. Two patterns may be used.
- FIG. 8 is a schematic plan view for explaining an example in which the antenna element has two patterns in the vehicle window antenna device of the present invention.
- the same reference numerals as those in FIG. 1 denote the same components, and the basic configuration is the same as that shown in FIG.
- the antenna element includes two patterns extending in parallel from the feeding terminal 20, that is, a first antenna element 32 and a second antenna element 33.
- the vehicle window antenna device of the present invention can achieve the same effects as the above-described example. Further, when an antenna element is constituted by two patterns of the first antenna element 32 and the second antenna element 33 extending in parallel from the power supply terminal 20, the antenna element behaves substantially equivalent to one thick strip-shaped antenna element. Therefore, it is possible to reduce the surface area of the antenna pattern as compared with the band-shaped antenna element, and it is less likely to become an obstacle.
- the antenna characteristics can be adjusted by changing the lengths of the first antenna element 32 and the second antenna element 33. For example, if the first antenna element 32 and the second antenna element 33 are shortened, the characteristics in the high frequency band can be improved.
- FIG. 8 the antenna element is composed of two patterns, but the present invention is not limited to this.
- FIG. 9 is a schematic plan view for explaining an example in which the tip portions of two patterns of antenna elements are combined and provided in a loop shape in the vehicle window antenna device of the present invention.
- the same reference numerals as those in FIG. 8 denote the same components, and the basic configuration is the same as that shown in FIG.
- the antenna element 35 is configured in a loop shape by combining the tip portions of two patterns extending in parallel from the feeding terminal 20.
- the antenna design stage may be designed with two patterns, the tip of the antenna element may be shaved to adjust the characteristics, and the tip of the antenna element may be coupled at the final design stage. As a result, the gain can be easily improved.
- FIG. 10 is a schematic plan view for explaining the vehicle window antenna device of the fourth embodiment of the present invention.
- the vehicle window antenna device of the fourth embodiment is obtained by further adding a line pattern to the ground pattern.
- the ground pattern 10 is provided with a line pattern 41 extending from the ground terminal 40 in parallel to the longitudinal direction of the ground pattern 10.
- the linear pattern 41 is shown to extend in parallel to the longitudinal direction of the ground pattern 10 on the left side directly from the ground terminal 40.
- the present invention is not limited to this.
- the present invention may be one that extends downward from the ground terminal and then extends in an L shape such that it bends 90 degrees.
- the loop-shaped portion of the ground pattern 10 is disposed in the vicinity of the tip of the ground pattern 10 far from the power supply terminal 20. That is, the loop portion is arranged in a ⁇ shape from the ground terminal 40.
- the present invention is not limited to this, and can be applied to an example in which a ground terminal and a power supply terminal are arranged in the vicinity of the center portion in the longitudinal direction of the ground pattern as shown in FIG.
- the line pattern may be configured to extend along the longitudinal direction of the ground pattern.
- the power supply terminal 20 is disposed in the vicinity of the right side of the ground terminal 40, and a ground pattern is disposed so as to surround the power supply terminal 20.
- An example of the antenna element 35 is illustrated in which the tip portions of two patterns extending in parallel from the power supply terminal 20 are combined and configured in a loop shape.
- the present invention is not limited to this, and it may be one having a free end or one pattern.
- the ground terminal 40, the power supply terminal 20, and the line pattern 41 are disposed so as to be covered with the connector 1.
- the line pattern is covered with the connector and arranged along the connector.
- line width of the line pattern is not limited to that shown in the drawings, and may be thinner or thicker. Further, the length of the line pattern is not limited to that in the illustrated example, and may be shorter or longer.
- the bridge pattern is provided in the loop portion of the ground pattern, the gap is provided, and further, the line pattern is provided in the ground terminal, so that the low frequency band characteristics can be obtained.
- the antenna element can improve the characteristics of the high frequency band. Therefore, it is possible to obtain an antenna device with improved gain over a wide band.
- vehicle window antenna device of the present invention is not limited to the illustrated example described above, and it is needless to say that various modifications can be made without departing from the scope of the present invention.
- the illustrated examples of the respective embodiments may be combined.
Landscapes
- Details Of Aerials (AREA)
Abstract
Description
2 フィルム
10,17,18 グラウンドパターン
11,13,15,16,40 グラウンド端子
12 凸状グラウンド端子
14 ブリッジパターン
19 間隙
20 給電端子
30,32,33,35 アンテナ素子
41 線条パターン DESCRIPTION OF
Claims (9)
- 車両ウィンドウ用アンテナ装置であって、該車両ウィンドウ用アンテナ装置は、
車両ボディ縁部に対して略平行に配置され、グラウンド端子とループ状部とを有するグラウンドパターンと、
前記グラウンドパターンの近傍に配置される給電端子と、
前記グラウンドパターンに対して垂直方向に前記給電端子から延在するアンテナ素子と、
を具備することを特徴とする車両ウィンドウ用アンテナ装置。 A vehicle window antenna device, wherein the vehicle window antenna device is:
A ground pattern disposed substantially parallel to the vehicle body edge and having a ground terminal and a loop-shaped portion;
A power supply terminal disposed in the vicinity of the ground pattern;
An antenna element extending from the feed terminal in a direction perpendicular to the ground pattern;
An antenna device for a vehicle window, comprising: - 請求項1に記載の車両ウィンドウ用アンテナ装置において、前記グラウンドパターンは、ループ状部の内側に、前記アンテナ素子に平行な複数のブリッジパターンを有することを特徴とする車両ウィンドウ用アンテナ装置。 2. The vehicle window antenna device according to claim 1, wherein the ground pattern has a plurality of bridge patterns parallel to the antenna element inside a loop portion.
- 請求項1又は請求項2に記載の車両ウィンドウ用アンテナ装置において、前記グラウンドパターンは、ループ状部の少なくとも1箇所に間隙を有することを特徴とする車両ウィンドウ用アンテナ装置。 3. The vehicle window antenna device according to claim 1, wherein the ground pattern has a gap at least at one position of the loop-shaped portion.
- 請求項1乃至請求項3の何れかに記載の車両ウィンドウ用アンテナ装置において、前記アンテナ素子は、前記グラウンドパターンに対して垂直方向に前記給電端子からそれぞれ平行に延在する2本のパターンを有することを特徴とする車両ウィンドウ用アンテナ装置。 4. The vehicle window antenna device according to claim 1, wherein the antenna element has two patterns extending in parallel from the power supply terminal in a direction perpendicular to the ground pattern. 5. An antenna device for a vehicle window.
- 請求項4に記載の車両ウィンドウ用アンテナ装置において、前記アンテナ素子は、前記アンテナ素子の2本のパターンの先端部が結合されることを特徴とする車両ウィンドウ用アンテナ装置。 5. The vehicle window antenna device according to claim 4, wherein the antenna element is formed by combining tip portions of two patterns of the antenna element.
- 請求項1乃至請求項5の何れかに記載の車両ウィンドウ用アンテナ装置において、前記給電端子は、前記グラウンドパターンの長手方向の中央部近傍に配置されることを特徴とする車両ウィンドウ用アンテナ装置。 6. The vehicle window antenna device according to claim 1, wherein the power feeding terminal is disposed in the vicinity of a center portion in a longitudinal direction of the ground pattern.
- 請求項1乃至請求項6の何れかに記載の車両ウィンドウ用アンテナ装置において、前記グラウンドパターンは、所定の間隔を開けて前記給電端子の一部を囲むように配置されることを特徴とする車両ウィンドウ用アンテナ装置。 7. The vehicle window antenna device according to claim 1, wherein the ground pattern is arranged so as to surround a part of the power supply terminal with a predetermined interval. Window antenna device.
- 請求項1乃至請求項7の何れかに記載の車両ウィンドウ用アンテナ装置において、前記グラウンドパターンは、さらに、グラウンド端子からグラウンドパターンの長手方向に平行に延在する線条パターンを有することを特徴とする車両ウィンドウ用アンテナ装置。 8. The vehicle window antenna device according to claim 1, wherein the ground pattern further includes a linear pattern extending in parallel with a longitudinal direction of the ground pattern from a ground terminal. A vehicle window antenna device.
- 請求項1乃至請求項8に記載の車両ウィンドウ用アンテナ装置において、前記グラウンドパターンは、前記給電端子から遠いグラウンドパターンの先端近傍にループ状部が配置されることを特徴とする車両ウィンドウ用アンテナ装置。 9. The vehicle window antenna device according to claim 1, wherein a loop-shaped portion of the ground pattern is disposed in the vicinity of a tip of the ground pattern far from the power supply terminal. .
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1008748A BRPI1008748A2 (en) | 2009-02-12 | 2010-02-10 | antenna device for a vehicle window |
JP2010550538A JP5485184B2 (en) | 2009-02-12 | 2010-02-10 | Antenna device for vehicle window |
GB1113795.7A GB2481926A (en) | 2009-02-12 | 2010-02-10 | Antenna device for vehicle window |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009029899 | 2009-02-12 | ||
JP2009-029899 | 2009-02-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010092983A1 true WO2010092983A1 (en) | 2010-08-19 |
Family
ID=42561824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/051966 WO2010092983A1 (en) | 2009-02-12 | 2010-02-10 | Antenna device for vehicle window |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5485184B2 (en) |
BR (1) | BRPI1008748A2 (en) |
GB (1) | GB2481926A (en) |
WO (1) | WO2010092983A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013197682A (en) * | 2012-03-16 | 2013-09-30 | Nippon Soken Inc | Antenna device |
JP2014090321A (en) * | 2012-10-30 | 2014-05-15 | Mitsumi Electric Co Ltd | Film antenna device |
JP2019009668A (en) * | 2017-06-27 | 2019-01-17 | Agc株式会社 | Glass antenna and vehicle window glass |
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JPH0582113U (en) * | 1992-02-05 | 1993-11-05 | 日本板硝子株式会社 | Window glass antenna and window glass antenna device |
JPH06276008A (en) * | 1993-03-18 | 1994-09-30 | Nippon Sheet Glass Co Ltd | Windshield glass antenna system for automobile telephone |
JP2007208791A (en) * | 2006-02-03 | 2007-08-16 | Hitachi Cable Ltd | Antenna |
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JPH0582115U (en) * | 1992-04-10 | 1993-11-05 | 積水化学工業株式会社 | Antenna device |
JP2776187B2 (en) * | 1993-02-03 | 1998-07-16 | 旭硝子株式会社 | High frequency glass antenna for automobile |
JP3541451B2 (en) * | 1994-09-13 | 2004-07-14 | 旭硝子株式会社 | Glass antenna for automobile high frequency |
JP2000242846A (en) * | 1999-02-23 | 2000-09-08 | Denso Corp | Antenna device automatic vending machine |
JP2000286625A (en) * | 1999-03-30 | 2000-10-13 | Asahi Glass Co Ltd | High frequency glass antenna for automobile |
JP4374784B2 (en) * | 2000-02-24 | 2009-12-02 | 旭硝子株式会社 | Terminal device for glass antenna |
-
2010
- 2010-02-10 JP JP2010550538A patent/JP5485184B2/en not_active Expired - Fee Related
- 2010-02-10 GB GB1113795.7A patent/GB2481926A/en not_active Withdrawn
- 2010-02-10 WO PCT/JP2010/051966 patent/WO2010092983A1/en active Application Filing
- 2010-02-10 BR BRPI1008748A patent/BRPI1008748A2/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0582113U (en) * | 1992-02-05 | 1993-11-05 | 日本板硝子株式会社 | Window glass antenna and window glass antenna device |
JPH06276008A (en) * | 1993-03-18 | 1994-09-30 | Nippon Sheet Glass Co Ltd | Windshield glass antenna system for automobile telephone |
JP2007208791A (en) * | 2006-02-03 | 2007-08-16 | Hitachi Cable Ltd | Antenna |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013197682A (en) * | 2012-03-16 | 2013-09-30 | Nippon Soken Inc | Antenna device |
JP2014090321A (en) * | 2012-10-30 | 2014-05-15 | Mitsumi Electric Co Ltd | Film antenna device |
JP2019009668A (en) * | 2017-06-27 | 2019-01-17 | Agc株式会社 | Glass antenna and vehicle window glass |
Also Published As
Publication number | Publication date |
---|---|
JPWO2010092983A1 (en) | 2012-08-16 |
BRPI1008748A2 (en) | 2016-03-15 |
JP5485184B2 (en) | 2014-05-07 |
GB2481926A (en) | 2012-01-11 |
GB201113795D0 (en) | 2011-09-21 |
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