WO2009060735A1 - 円偏波受信用アンテナ - Google Patents
円偏波受信用アンテナ Download PDFInfo
- Publication number
- WO2009060735A1 WO2009060735A1 PCT/JP2008/069395 JP2008069395W WO2009060735A1 WO 2009060735 A1 WO2009060735 A1 WO 2009060735A1 JP 2008069395 W JP2008069395 W JP 2008069395W WO 2009060735 A1 WO2009060735 A1 WO 2009060735A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- conductor
- linear conductor
- antenna according
- loop
- Prior art date
Links
Classifications
-
- 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
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
-
- 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
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Definitions
- the present invention relates to a circularly polarized wave receiving antenna.
- the present invention improves the gain of a loop antenna that is used by being affixed to a dielectric part of a vehicle such as an automobile and that receives circularly polarized waves.
- M W medium wave
- V H F ultra high frequency
- U H F ultra high frequency
- the types of antennas mounted on vehicles are increasing.
- high-frequency GPS (global positioning system) antennas or antennas that receive radio waves for terrestrial digital television broadcasting are becoming mainstream.
- the antenna that receives radio waves for terrestrial digital television broadcasting is hereafter called the DTV antenna.
- an object of the present invention is to provide a circularly polarized wave receiving antenna that can increase the gain, improve the receiving performance, and exhibit sufficient performance as a film antenna.
- the circularly polarized wave receiving antenna of the present invention that achieves the above object is composed of a loop antenna having two power supply terminals and a conductor that is arranged in the vicinity of the loop antenna and independent of the antenna conductor of the loop antenna. And a conductor arranged so as to surround the loop antenna and the parasitic element.
- This conductor may be an annular linear conductor.
- an antenna having a simple structure and good reception performance capable of transmitting and / or receiving circularly polarized waves can be provided.
- FIG. 1A is a plan view showing the configuration of a circularly polarized wave receiving antenna according to the first embodiment of the present invention.
- FIG. IB is a perspective view showing an installation example of the antenna shown in FIG. 1A on the front window of the automobile.
- FIG. 2 is a plan view showing the configuration of a circularly polarized wave receiving antenna according to the second embodiment of the present invention.
- Fig. 3A shows a modification of the circularly polarized wave receiving antenna of the first embodiment shown in Fig. 1A.
- the lateral length X of the annular linear conductor having a rectangular outer shape is shown in Fig. 3A. Illustration showing a very long example compared to the length Y in the vertical direction It is.
- FIG. 3B shows a modification of the circularly polarized wave receiving antenna of the first embodiment shown in Fig. 1A.
- the lateral length X of the annular linear conductor having a rectangular outer shape is shown in Fig. 3B.
- FIG. 5 is a diagram showing an embodiment that is slightly longer than the length Y in the vertical direction.
- FIG. 3C shows a variation of the circularly polarized wave receiving antenna of the first embodiment shown in Fig. 1A.
- the lateral length X of the annular linear conductor having a rectangular outer shape is shown in Fig. 3C.
- FIG. 3D shows a modification of the circularly polarized wave receiving antenna of the first embodiment shown in FIG. 1A, and shows an embodiment substantially equal to the longitudinal length Y.
- FIG. 5 is a view showing an embodiment in which a lateral length X of a rectangular ring-shaped conductor is slightly shorter than a longitudinal length Y.
- Fig. 3E shows a variation of the circularly polarized wave receiving antenna of the first embodiment shown in Fig. 1A.
- the lateral length X of the annular linear conductor having a rectangular outer shape is shown in Fig. 3E. It is a figure which shows the Example very short compared with the length Y of the vertical direction.
- FIG. 4A is a perspective view showing the appearance of a connector and a coaxial cable connected to the feeding terminal of the loop antenna.
- FIG. 4B is an exploded perspective view of the connector shown in FIG. 4A.
- FIG. 5A is a view of the circuit board shown in FIG. 4B as viewed from the back side.
- FIG. 5B is a block circuit diagram showing the internal configuration of the amplifier mounted on the circuit board shown in FIG. 5A.
- FIG. 5C is a view of another example of the circuit board shown in FIG. 4B as seen from the back side.
- FIG. 6A shows a configuration of a modification of the antenna according to the first embodiment of the present invention. It is a top view.
- Fig. 6B is a plan view showing the general configuration of a DTV receiving antenna.
- FIG. 6C is a plan view showing another configuration of the D TV receiving antenna.
- FIG. 6D is a perspective view of the windshield of the automobile with the antennas and the like shown in FIGS. 6A to 6C and its surroundings as seen from the vehicle interior side.
- FIG. 7 is a circuit diagram showing the connection between the antenna shown in FIG. 6D and the navigation device mounted on the vehicle.
- FIG. 8A is a plan view showing the configuration of a circularly polarized wave receiving antenna according to the third embodiment of the present invention.
- FIG. 8B is a plan view showing a configuration of a modified example of the antenna of the third exemplary embodiment of the present invention.
- FIG. 9A is a perspective view showing an example of use in which the antenna of the first embodiment of the present invention is attached to the back mirror of an automobile.
- FIG. 9B is a perspective view showing an example of use in which the antenna of the first embodiment of the present invention is embedded in the back mirror of an automobile.
- FIG. 1 OA is a perspective view showing an example of use in which the antenna of the present invention is built in a rear boiler of an automobile.
- FIG. 10B is a side view showing an example of use in which the antenna of the present invention is built in a rear boiler of an automobile.
- Fig. 11 is a directivity diagram comparing the gain when the antenna of the present invention is installed near the upper end of the windshield of an automobile with the gain when using a conventional antenna. Best Mode for Carrying Out the Invention
- an antenna can both transmit and receive radio waves.
- the antenna receives radio waves will be described, and the description will be omitted when the antenna transmits radio waves.
- this invention includes transmission of radio waves from the antenna.
- FIG. 1A shows the configuration of the GPS antenna 13 according to the first embodiment of the present invention.
- the GPS antenna 13 of this embodiment is a loop antenna, and is not electrically connected to the rectangular antenna conductor 15 and the antenna conductor 15 on the sheet-like transparent film 14.
- a feed element 1 6 is formed.
- Antennas 13 can receive circularly polarized waves from GPS satellites and can transmit circularly polarized waves.
- there are power supply terminals 17 and 18 at both ends of the antenna conductor 15, and connectors to be described later are connected to the power supply terminals 17 and 18.
- the antenna conductor 15, the parasitic element 16, and the feeding terminals 17 and 18 are formed on the sheet-like transparent film 14 by a conductor such as a conductive ink or copper foil.
- the GPS antenna 13 of this embodiment has a rectangular and circular linear conductor 19 around the antenna conductor 15, the parasitic element 16, and the feeding terminals 17 and 18.
- the annular linear conductor 1 9. is also formed on the sheet-like transparent film 14 by a conductive ink or a conductor such as copper foil.
- the dimensions when this GPS antenna 13 is placed on a dielectric such as glass are as follows. Rectangular antenna conductor 15 One side length Z is about 30 mm, parasitic element 1 6 separation part P length is about 40 mm, and parallel part Q length is about 20 mm.
- the length X of the horizontal annular linear conductor 19 is set to about 90 mm.
- the length Y of the ring-shaped linear conductor 19 in the vertical direction can be about 90 mm.
- the total length of the annular linear conductor 19 is about 180 mm, and the aspect ratio can be changed according to the size of the internal loop antenna.
- the optimum length of the annular linear conductor 19 and the size of the GPS antenna 13 are determined by the dielectric constant of the dielectric to which the GPS antenna 13 is attached.
- the length Z of the loop of the GPS antenna 13 is about 50 mm, and the separation part P of the parasitic element 16 is The length should be about 60 mm, and the length of the parallel part Q should be about 30 mm.
- the total length of the annular linear conductor 1 9 (2 X + 2 If Y) is about 3 times the total length (4 Z) of the antenna conductor 15 (2.7 to 3.3 times), the gain of the GPS antenna 13 is increased.
- the ratio of the length Y in the vertical direction to the length X in the horizontal direction of the annular linear conductor 19 (X: Y) is such that 1: 1 is the optimum force, and 1: 2 to 2: 1. Even in the range, there is an effect of increasing the gain.
- the GPS antenna 13 configured as described above can be installed in the vicinity of the upper end portion of the windshield 1 of the automobile 60 as shown in FIG.
- a power feeding circuit composed of a connector 20 and a coaxial cable 2 2 is connected to the antenna for G PS 13.
- the coaxial cable 22 is disposed along the A pillar 3 of the automobile 60 and is connected to a digital TV tuner (not shown).
- 8 is a car navigation device installed on the instrument panel 9 of the car, and the image signal from the tuner is input.
- FIG. 2 shows the configuration of the GPS antenna 13 according to the second embodiment of the present invention.
- the GPS antenna 1 3 in this embodiment also uses a loop antenna.
- a rectangular antenna conductor 15 is electrically connected to the antenna conductor 15 on the sheet-like transparent film 14.
- the parasitic element 1 6 is formed.
- the antenna conductors 15 have feed terminals 17 and 18 at both ends, and the connectors are connected to the feed terminals 17 and 18.
- the antenna conductor 15, the parasitic terminal 16, and the power supply terminals 1 7 and 18 are surrounded by a rectangular annular linear conductor 19.
- the antenna conductor 15, the parasitic terminal 16, and the feeding terminals 17 and 18 are surrounded by a vertically long elliptical linear conductor 19. Again, if the total length of the annular linear conductor 19 is about three times the total length (4 Z) of the antenna conductor 15, the gain of the GPS antenna 13 is increased.
- the ratio of the major axis length Y to the minor axis length X of the ellipsoidal linear conductor 19 (X: Y) is optimally 1: 1, but 1: 2 to 2: 1 Even in this range, there is an effect of increasing the gain.
- the antenna 13 of the first embodiment has a ratio of the vertical length Y to the horizontal length X of the ring-shaped linear conductor 19 (X: Y). Is preferably about 1: 1.
- the ratio shown in Fig. 3B shows that the ratio of X: Y does not change the sum of side X and side Y, the length of side X is lengthened and the length of side Y is shortened.
- the gain of the antenna 1 3 is larger than that of the antenna 1 3 without the annular linear conductor 19.
- change the ratio of X: Y and the sum of side X and side Y Without increasing the length of the side X, and conversely, the length of the side Y is further shortened.
- the gain is larger than that of the antenna 13 without the linear conductor 19.
- the ratio of X: Y mentioned above is shortened without changing the sum of side X and side ⁇ , and the length of side ⁇ ⁇ is increased.
- FIG. 4A and 4B show the appearance of the connector 20 shown in FIG. 1B and a state in which the connector 20 is disassembled.
- the connector 20 is composed of the inner case 21 and the case 25.
- the surface of the inner case 21 is fixed on the power feeding terminals 17 and 18 by an adhesive material such as rain tape.
- connection terminals 3 1 and 3 2 are mounted on one surface of the circuit board (dielectric board) 30 built in the inner case 21 and the outer case 25.
- a coaxial cable 2 2 is connected to the circuit board 30.
- An integrated circuit 40 described later is mounted on the other surface of the circuit board 30.
- connection terminal 3 1 is the hot side (signal transmission side) terminal
- connection terminal 3 2 is the ground side terminal.
- FIG. 5A shows a general configuration of the circuit board 30 inside the connector 20 shown in FIG. 4B except for the inner case 21 and the lower case 25.
- FIG. Connection terminals 3 1 and 3 2 are on the back side of circuit board 30 It is attached and led to the front side of the circuit board 30 through the through holes 3 3 and 3 4.
- the through hole 3 3 is connected to the input terminal of the integrated circuit 40 mounted on the front side of the circuit board 30 and
- the integrated circuit 40 performs processing such as amplification on the signal received by the antenna, and the processed signal is output to the center conductor (inner conductor) 2 2 A of the coaxial cable 2 2.
- FIG. 5B shows the internal configuration of the integrated circuit 40 shown in FIG. 5A.
- the integrated circuit 40 has a filter 4 1 connected to the antenna 10 1, an amplifier 4 2 for amplifying the signal output from the filter 4 1, and an amplifier.
- the filter 43 that determines the signal band output from 42, and this filter 43 is connected to the central conductor 22A of the coaxial cable 22 via a capacitor 44 that blocks direct current.
- the coaxial cable 22 is a power superimposition cable, and the superimposed power supply voltage (DC) is supplied to the amplifier 42 through a coil 45 that cuts off the AC component.
- FIG. 5C shows the configuration of the circuit board 30 different from the connector 20 shown in FIG. 5A except for the inner case 21 and the outer case 25.
- the connection terminal 3 1 is a terminal on the hot side (signal transmission side), and is connected to the input terminal of the integrated circuit 40 through the through hole 3 3.
- the connection terminal 3 2 is the ground side terminal and the ground wire of the coaxial cable 2 2 through the through hole 3 4
- connection terminal 3 1 is a terminal on the ground side, and is connected to the ground wire 2 2 B of the coaxial cable 2 2 through the through-hole 3 4.
- connection terminal 3 2 is a terminal on the hot side, and is connected to the input terminal of the integrated circuit 40 through the through hole 3 3.
- the connection terminal 3 1 can be a ground terminal
- the connection terminal 3 2 can be a hot terminal.
- the antenna conductor 15, the parasitic terminal 1 6, and the rectangular annular linear conductor 19 surrounding the feeding terminals 1 7 and 18 are continuous over the entire circumference. As a result of the experiment, it was found that it was effective at least.
- the rectangular linear conductor 19 surrounding the feeding terminals 17 and 18 of the GPS antenna 13 was found to have a total length close to the loop length of the loop antenna constituting the DTV antenna.
- the present inventors cut out a part of the rectangular annular linear conductor 19 and formed feeding terminals 1 1 and 1 2 at the notched end as shown in FIG. 6A. It was devised that the annular linear conductor 19 is a DTV antenna 10 A.
- the integrated antenna 1 0 A, 1 3 with the GPS antenna 1 3 and the DTV antenna 1 OA shown in Fig. 6A is attached to the left corner of the upper end of the front glass 1 of the car 60.
- connectors are connected to the power supply terminals of each antenna, but the illustration of the power supply circuit consisting of the connector and the coaxial cable is omitted here.
- FIG. 7 shows the connection between the antenna device composed of the antennas 10 A, 1 3, 10 B, 10 C, and 10 D shown in FIG. 6D and the navigation device 8 mounted on the vehicle. It is a circuit diagram.
- the TV tuner 5 is built in the navigation device 8, but the TV tuner 5 may be separated from the navigation device 8.
- the antenna conductor 1 9 in the integrated antennas 1 0 A and 1 3 and the film antennas 1 0 B, 1 0 C and 1 0 D are DTV antennas, and the integrated antennas 1 OA and 1 3
- the antenna conductor 15 inside is the antenna for GPS.
- the DTV signals received by these film antennas 1 OA, 10 B, 10 C, and 10 D are connected to the cable 2 2 via the integrated circuit 4 0 that performs amplification and the like built in the connector.
- the image guided to the TV tuner 5 and demodulated is displayed on the display device 6 when the navigation device 8 is in the TV mode.
- the GPS signal received by the GPS antenna 13 (antenna conductor 15) mounted on the film antenna 10 AM is sent to the navigation device 8 via the integrated circuit 40 and the cable 22.
- the current position of the vehicle is detected and displayed on the display 6 of the navigation device 8 together with the map information.
- FIG. 8A shows the configuration of the antenna 53 of the third embodiment of the present invention.
- the GPS antenna 5 3 of the third embodiment also uses a loop antenna, and a rectangular antenna conductor 1 5 is formed on the sheet-like transparent film 1 4 and the antenna conductor 1 5 is electrically connected.
- a parasitic element 16 that is not connected to is formed, and can receive circularly polarized waves from GPS satellites and transmit circularly polarized waves.
- feed terminals 17 and 18 are provided at both ends of the antenna conductor 15, and connectors described later are connected to the feed terminals 17 and 18.
- the first point is that the antenna conductor 15, the parasitic terminal 16, and the feeder terminals 17 and 18 are formed on the sheet-like transparent film 14 by a conductive ink or a conductor such as copper foil. The same as the embodiment.
- the rectangular and circular lines described in the first embodiment are arranged around the antenna conductor 15, the parasitic element 16, and the feed terminals 17 and 18. With openings of the same dimensions as the conductor 1 9 A metal plate 5 1 is mounted on the transparent film 1 4.
- the size of the metal plate 51 is not particularly limited as long as the size of the opening of the metal plate 51 is the same.
- the antenna for GPS 1 3 has a rectangular antenna conductor 15 with a side Z of about 3 2 mm
- the lateral length of the opening of the metal plate 5 1 is 95 mm.
- the length in the vertical direction may be about 95 mm.
- FIG. 8B shows a modification of the antenna 53 of the third embodiment of the present invention. Antenna of this modification 5 3 force ⁇
- the antenna 5 3 of the third embodiment explained in Fig. 8A is different from the metal plate 5 1 in that the metal 5 1 is a sheet-like transparent film 1 4 It is only a point attached to.
- the performance of the antenna 53 of this modification is not much different from that of the antenna 53 of the third embodiment.
- FIG. 9A shows a use example in which the antennas 13 and 53 of the first or third embodiment of the present invention are attached to the back mirror (inner rear view mirror) 35 of the automobile.
- FIG. 9B shows a use example in which the antennas 1 3 and 5 3 of the first or third embodiment of the present invention are embedded in the rearview mirror 35 of the automobile. With such an installation position, the antennas 13 and 53 of the present invention can efficiently receive radio waves coming from the front upper side of the automobile.
- FIGs 10A and 10B show another example of the mounting position of the antennas 1 3 and 5 3 according to the present invention in the car.
- the antennas 1 3 and '5 3 are connected to the rear boiler 3 6 of the wagon-type car 3 7.
- An example in which it is built in is shown.
- the directivity of antennas 1 3 and 5 3 at this position can be changed by the mounting angle of antennas 1 3 and 5 3 built in rear boiler 3 6.
- Fig. 1 OA if the antennas 13 and 5 3 are tilted rearward and installed in the rear boiler 3 7, the directivity of the antennas 1 3 and 5 3 becomes the rear upper side of the automobile 37.
- Figure 10 0 B If the antennas 1 3 and 5 3 are tilted forward and installed in the rear boiler 3 6, the directivity of the antennas 1 3 and 5 3 becomes the upper front of the car 3 7.
- the antennas 13 and 53 according to the present invention can be attached not only to these attachment positions but also to a resin roof top of a vehicle.
- the shape of the antenna conductor of the GPS antenna 13 that can be used for the antennas 13 and 53 of the present invention, and the number and arrangement of the parasitic elements 16 are not limited to the above-described embodiments.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/739,130 US8994598B2 (en) | 2007-11-07 | 2008-10-21 | Circularly polarized wave reception antenna |
CN200880115252A CN101855780A (zh) | 2007-11-07 | 2008-10-21 | 圆偏振波接收天线 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-290036 | 2007-11-07 | ||
JP2007290036A JP5153300B2 (ja) | 2007-11-07 | 2007-11-07 | アンテナ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009060735A1 true WO2009060735A1 (ja) | 2009-05-14 |
Family
ID=40625632
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/069395 WO2009060735A1 (ja) | 2007-11-07 | 2008-10-21 | 円偏波受信用アンテナ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8994598B2 (ja) |
JP (1) | JP5153300B2 (ja) |
CN (1) | CN101855780A (ja) |
TW (1) | TWI433387B (ja) |
WO (1) | WO2009060735A1 (ja) |
Cited By (3)
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CN102104187A (zh) * | 2009-11-16 | 2011-06-22 | 株式会社友华 | 车载用gps天线 |
CN102195117A (zh) * | 2010-03-19 | 2011-09-21 | 旭硝子株式会社 | 车辆用玻璃天线及车辆用窗玻璃 |
WO2023032187A1 (ja) * | 2021-09-06 | 2023-03-09 | 太平洋工業株式会社 | アンテナユニットおよび送信機 |
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US9002565B2 (en) | 2003-03-20 | 2015-04-07 | Agjunction Llc | GNSS and optical guidance and machine control |
US8583315B2 (en) | 2004-03-19 | 2013-11-12 | Agjunction Llc | Multi-antenna GNSS control system and method |
JP5269393B2 (ja) * | 2007-11-12 | 2013-08-21 | 富士通テン株式会社 | 車両用アンテナ装置 |
WO2009100437A1 (en) * | 2008-02-10 | 2009-08-13 | Hemisphere Gps Llc | Antenna alignment and monitoring system and method using gnss |
US8299962B2 (en) * | 2009-03-16 | 2012-10-30 | Le Sage Hendrikus A | AISG inline tilt sensor system and method |
US9046601B2 (en) | 2009-06-15 | 2015-06-02 | Hendrikus A. Le Sage | Handheld antenna attitude measuring system |
JP4976511B2 (ja) * | 2010-01-21 | 2012-07-18 | 原田工業株式会社 | 円偏波対応アンテナ |
US8307535B2 (en) | 2010-07-20 | 2012-11-13 | Hemisphere Gps Llc | Multi-frequency antenna manufacturing method |
US8686899B2 (en) | 2010-08-26 | 2014-04-01 | Hemisphere GNSS, Inc. | GNSS smart antenna and receiver system with weatherproof enclosure |
JP2014033243A (ja) * | 2010-11-30 | 2014-02-20 | Asahi Glass Co Ltd | 車両用窓ガラス及びアンテナ |
TWI473383B (zh) * | 2012-11-06 | 2015-02-11 | Configuration antenna with concentrated magnetic field | |
CN104969413B (zh) * | 2013-03-01 | 2017-09-29 | 株式会社藤仓 | 集成天线及其制造方法 |
WO2014149201A1 (en) * | 2013-03-15 | 2014-09-25 | Agc Automotive Americas R& D, Inc. | Window assembly with transparent regions having a perfoormance enhancing slit formed therein |
JP6547311B2 (ja) * | 2015-01-30 | 2019-07-24 | Agc株式会社 | Mimoアンテナ及びmimoアンテナ配置構造 |
JP6378152B2 (ja) * | 2015-09-25 | 2018-08-22 | 矢崎総業株式会社 | 平面アンテナ体の車両配置構造 |
KR101827706B1 (ko) * | 2016-09-20 | 2018-02-12 | 현대자동차주식회사 | 차량 및 차량의 제어 방법 |
JP6894212B2 (ja) * | 2016-11-08 | 2021-06-30 | 矢崎総業株式会社 | 平面アンテナ体 |
JP2018101956A (ja) * | 2016-12-21 | 2018-06-28 | トヨタ自動車株式会社 | 車両用アンテナシステム |
CN107053967A (zh) * | 2016-12-30 | 2017-08-18 | 上海为彪汽配制造有限公司 | 用于轮胎压力监测器的电波接收用天线及轮胎压力监测器 |
CN112166527A (zh) | 2018-05-25 | 2021-01-01 | 中央硝子株式会社 | 圆偏振波接收用玻璃天线 |
CN112886232B (zh) * | 2019-11-30 | 2022-10-11 | 华为技术有限公司 | 电子设备 |
DE102022102502B4 (de) | 2022-02-03 | 2024-05-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Kraftfahrzeug mit einer Windschutzscheibe |
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2007
- 2007-11-07 JP JP2007290036A patent/JP5153300B2/ja active Active
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2008
- 2008-10-21 US US12/739,130 patent/US8994598B2/en not_active Expired - Fee Related
- 2008-10-21 CN CN200880115252A patent/CN101855780A/zh active Pending
- 2008-10-21 WO PCT/JP2008/069395 patent/WO2009060735A1/ja active Application Filing
- 2008-11-04 TW TW97142554A patent/TWI433387B/zh not_active IP Right Cessation
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102104187A (zh) * | 2009-11-16 | 2011-06-22 | 株式会社友华 | 车载用gps天线 |
CN102104187B (zh) * | 2009-11-16 | 2015-05-13 | 株式会社友华 | 车载用gps天线 |
CN102195117A (zh) * | 2010-03-19 | 2011-09-21 | 旭硝子株式会社 | 车辆用玻璃天线及车辆用窗玻璃 |
CN102195117B (zh) * | 2010-03-19 | 2015-10-21 | 旭硝子株式会社 | 车辆用玻璃天线及车辆用窗玻璃 |
WO2023032187A1 (ja) * | 2021-09-06 | 2023-03-09 | 太平洋工業株式会社 | アンテナユニットおよび送信機 |
Also Published As
Publication number | Publication date |
---|---|
US20100231468A1 (en) | 2010-09-16 |
US8994598B2 (en) | 2015-03-31 |
JP5153300B2 (ja) | 2013-02-27 |
CN101855780A (zh) | 2010-10-06 |
TWI433387B (zh) | 2014-04-01 |
TW200931715A (en) | 2009-07-16 |
JP2009118268A (ja) | 2009-05-28 |
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