JP5624941B2 - 車両用ルーフアンテナ - Google Patents
車両用ルーフアンテナ Download PDFInfo
- Publication number
- JP5624941B2 JP5624941B2 JP2011113835A JP2011113835A JP5624941B2 JP 5624941 B2 JP5624941 B2 JP 5624941B2 JP 2011113835 A JP2011113835 A JP 2011113835A JP 2011113835 A JP2011113835 A JP 2011113835A JP 5624941 B2 JP5624941 B2 JP 5624941B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- antenna element
- roof
- vehicle
- roof panel
- 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.)
- Expired - Fee Related
Links
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- 238000004891 communication Methods 0.000 description 11
- 239000012779 reinforcing material Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
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- 230000002457 bidirectional effect Effects 0.000 description 1
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- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
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- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
-
- 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
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Description
Claims (3)
- 車両のルーフに設けられた樹脂製のルーフパネルと、
前記ルーフパネルに配置された複数のアンテナ素子と、
前記複数のアンテナ素子のそれぞれに接続され、前記ルーフパネルの一辺側に寄せて配設された信号ラインと、
前記一辺に対向する反対辺側に寄せて配設され、電力を機器に供給する電力ラインと、
を備え、
前記複数のアンテナ素子は、
第1アンテナ素子と、
ダイバーシチアンテナを構成する第2アンテナ素子および第3アンテナ素子と、
前記第1アンテナ素子が受信する電波の周波数よりも高い周波数の電波を受信する第4アンテナ素子と、を含み、
前記第1アンテナ素子および第4アンテナ素子は、
前記第1アンテナ素子、前記第2アンテナ素子、前記第4アンテナ素子および前記第3アンテナ素子の各位置を頂点とする四角形における1組の対角上に位置し、
前記第2アンテナ素子および前記第3アンテナ素子は、
前記四角形における他の1組の対角上に位置し、
前記第1アンテナ素子および前記第2アンテナ素子は、
前記反対辺側に前記反対辺に沿った方向に間隔を隔てて配置され、
前記第3アンテナ素子および前記第4アンテナ素子は、
前記一辺側に前記一辺に沿った方向に間隔を隔てて配置される、ことを特徴とする車両用ルーフアンテナ。 - 請求項1に記載の車両用ルーフアンテナにおいて、
各前記アンテナ素子は、前記ルーフパネルへの配置場所によりそれぞれ決まる信号ライン長と、各前記アンテナ素子の周波数特性により決まる信号ライン単位長さ当たりの単位減衰量と、の積である減衰量が許容値以下となるように配置場所を入れ替えて前記ルーフパネルに配置されたことを特徴とする車両用ルーフアンテナ。 - 請求項1または請求項2に記載の車両用ルーフアンテナにおいて、
前記第4アンテナ素子は、全方向の指向性を有し、前記車両のフロントガラスが立ち上がった直後の位置に配置されることを特徴とする車両用ルーフアンテナ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011113835A JP5624941B2 (ja) | 2011-05-20 | 2011-05-20 | 車両用ルーフアンテナ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011113835A JP5624941B2 (ja) | 2011-05-20 | 2011-05-20 | 車両用ルーフアンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012244487A JP2012244487A (ja) | 2012-12-10 |
JP5624941B2 true JP5624941B2 (ja) | 2014-11-12 |
Family
ID=47465695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011113835A Expired - Fee Related JP5624941B2 (ja) | 2011-05-20 | 2011-05-20 | 車両用ルーフアンテナ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5624941B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10396445B2 (en) * | 2015-09-25 | 2019-08-27 | Yazaki Corporation | Structure for arranging planar antenna unit in vehicle |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6314277B1 (ja) * | 2017-08-30 | 2018-04-18 | 株式会社ヨコオ | アンテナ装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09270623A (ja) * | 1996-03-29 | 1997-10-14 | Murata Mfg Co Ltd | アンテナ装置 |
JPH10215114A (ja) * | 1997-01-30 | 1998-08-11 | Harada Ind Co Ltd | 車両用窓ガラスアンテナ装置 |
JP2000156606A (ja) * | 1998-11-19 | 2000-06-06 | Harada Ind Co Ltd | Its適合自動車用アンテナ装置 |
JP2001169433A (ja) * | 1999-12-03 | 2001-06-22 | Yazaki Corp | 電線配索構造 |
JP2003142911A (ja) * | 2001-10-30 | 2003-05-16 | Toyota Motor Corp | 車両用アンテナ構造 |
FI114837B (fi) * | 2002-10-24 | 2004-12-31 | Nokia Corp | Radiolaite ja antennirakenne |
JP4376219B2 (ja) * | 2005-09-14 | 2009-12-02 | 株式会社リコー | 画像読取装置及び画像形成装置 |
-
2011
- 2011-05-20 JP JP2011113835A patent/JP5624941B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10396445B2 (en) * | 2015-09-25 | 2019-08-27 | Yazaki Corporation | Structure for arranging planar antenna unit in vehicle |
Also Published As
Publication number | Publication date |
---|---|
JP2012244487A (ja) | 2012-12-10 |
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