JPS63306704A - Antenna for mobile body - Google Patents
Antenna for mobile bodyInfo
- Publication number
- JPS63306704A JPS63306704A JP14293587A JP14293587A JPS63306704A JP S63306704 A JPS63306704 A JP S63306704A JP 14293587 A JP14293587 A JP 14293587A JP 14293587 A JP14293587 A JP 14293587A JP S63306704 A JPS63306704 A JP S63306704A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- antennas
- automobile
- conductor
- door
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 42
- 239000002184 metal Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 4
- 239000010410 layer Substances 0.000 abstract 4
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 239000010953 base metal Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 238000010295 mobile communication Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、自動車その他の車両、船舶等の移動体に設け
られる無線送受信機のための移動体のアンテナに関する
。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a mobile antenna for a radio transceiver installed in a mobile body such as an automobile, other vehicle, or ship.
［従来の技術］
自動車や船舶等の移動体用のアンテナとしては、従来は
ループアンテナやロッドアンテナが、自動車等のボディ
から突出して設けられる。[Prior Art] Conventionally, as an antenna for a mobile object such as an automobile or a ship, a loop antenna or a rod antenna is provided to protrude from the body of the automobile or the like.
また、ＵＨＦＨＦ上の高い周波数帯の移動通信サービス
用にマイクロストリップラインやスロットラインを用い
た平面型アンテナの利用が検討されており、この該平面
型アンテナにおいても、自動車のボディとは別体で作ら
れ、ユーザの必要に応じてルーフトップなどに後付けで
設けられる。In addition, the use of planar antennas using microstrip lines and slot lines is being considered for high frequency band mobile communication services on UHFHF, and these planar antennas can also be installed separately from the vehicle body. It is then installed as an afterthought on rooftops, etc., depending on the user's needs.
［発明が解決しようとする問題点］
一方、自動車等の移動体の通信に利用される通信メディ
アや利用できる周波数帯の拡大に応じて、移動通信サー
ビスの種類も増加しており、これらの多種の通信サービ
スを享受するためには、一つの自動車に複数の受信アン
テナを設置する必要がある。然るに、複数のアンテナを
従来のように自動車ボディから突出して、後付けで装備
する場合、アンテナや給電線の取り付けが繁雑となるこ
と、走行抵抗の増加、洗車の際の障害物になることなど
種々の技術上の問題が生じるとともに、自動車の美観を
も損なう。[Problems to be solved by the invention] On the other hand, the types of mobile communication services are increasing in accordance with the expansion of the communication media used for communication of mobile objects such as cars and the frequency bands that can be used. In order to enjoy this communication service, it is necessary to install multiple receiving antennas in one car. However, when multiple antennas are retrofitted by protruding from the car body as in the past, installation of antennas and power lines becomes complicated, increases running resistance, and becomes an obstacle when washing the car. This not only causes technical problems, but also damages the aesthetic appearance of the car.
また、平面型アンテナを後付けで自動車のルーフトップ
に設ける場合においても、上述したのと同じ問題が生じ
る。Furthermore, the same problem as described above occurs when a planar antenna is retrofitted to the roof top of an automobile.
本発明の目的は以上の問題点を解決し、車両、船舶等の
移動体の美観を損うことなくしかも移動体のボディから
突出することなく設けることかでき、アンテナの装備作
業か簡単であって温雅や破損の危険性が極めて少ない移
動体のアンテナを提供することにある。An object of the present invention is to solve the above problems, and to make it possible to install an antenna without spoiling the appearance of a moving object such as a vehicle or a ship, without protruding from the body of the moving object, and to simplify the installation work of the antenna. An object of the present invention is to provide a mobile antenna that is elegant and has extremely low risk of damage.
［問題点を解決するための手段］
この発明の移動体のアンテナは移動体本体の製造過程に
おいて上記移動体本体の概略平担な部分に沿って、かつ
絶縁層又は空気層を介してアンテナを設け、上記アンテ
ナを保護膜で被覆してなることを特徴とする。[Means for Solving the Problems] The antenna of the mobile body of the present invention is provided by installing an antenna along a generally flat part of the mobile body body through an insulating layer or an air layer during the manufacturing process of the mobile body body. and the antenna is covered with a protective film.
［実施例コ
第１図に示すように、自動車ｌのルーフトップ部やドア
などの比較的平坦な部分にアンテナ２．３が設けられて
いる。各アンテナ２．３は、第２図、第３図、第５図、
及び第６図に示すように、自動車の外フレームを構成す
る下地金属板ＩＯあるいは１４の外側面に電気絶縁性と
耐熱性の優れた材料にてなる絶縁層１１，１２．１５を
固定して設け、この絶縁層１１，１２．１５にＣｕなど
の良導体の金属にてなる所望の形状のアンテナ素子２１
．２２．３１を設けたものである。絶縁層１１゜１２．
１５は例えばテフロングラスファイバ又はレキフライト
にてなる誘電体などを用いる。[Example 1] As shown in FIG. 1, an antenna 2.3 is provided on a relatively flat part such as the roof top or door of an automobile 1. Each antenna 2.3 is shown in FIG. 2, FIG. 3, FIG.
As shown in FIG. 6, insulating layers 11, 12, and 15 made of a material with excellent electrical insulation and heat resistance are fixed to the outer surface of the base metal plate IO or 14 that constitutes the outer frame of the automobile. An antenna element 21 of a desired shape made of a metal with good conductivity such as Cu is provided on the insulating layers 11, 12.15.
．． 22.31 is provided. Insulating layer 11°12.
For example, the dielectric material 15 is made of Teflon glass fiber or Rekilight.
上記したアンテナ２．３は自動車のボディの製造工程に
おいて造られる。The antenna 2.3 described above is manufactured during the manufacturing process of the automobile body.
このアンテナ２．３はさらに上記下地金属板１０．１４
をも被覆する被覆層１３．１６で覆われている。被覆層
１３．１６は下地金属板１０．１４を被覆する公知の被
覆層と同様の材料にてなる。This antenna 2.3 further includes the base metal plate 10.14.
It is covered with a covering layer 13.16 which also covers the. The covering layer 13.16 is made of the same material as the known covering layer covering the base metal plate 10.14.
上述の実施例は平坦な下地金属板ＩＯあるいは１４にア
ンテナを設けた例であり、ルーフトップやドアのほぼ全
面にアンテナを設ける場合に適している。アンテナをル
ーフトップやドアの一部分に設ける場合には、たとえば
第８図あるいは第９図に示すように、下地金属板１４を
段状に変形して形成した凹部４０にアンテナ２または／
及び３を設けてもよい。このようにしてアンテナ２また
は３を凹部４０に設けることにより、第２図ないし第６
図の実施例に比較して、アンテナの装備による突出部を
なくすことができるという利点がある。The above embodiment is an example in which the antenna is provided on the flat base metal plate IO or 14, and is suitable for providing the antenna on almost the entire surface of a rooftop or door. When the antenna is installed on a roof top or a part of a door, the antenna 2 or/and is placed in a recess 40 formed by deforming the base metal plate 14 into steps, as shown in FIG. 8 or 9, for example.
and 3 may be provided. By providing the antenna 2 or 3 in the recess 40 in this way, the
Compared to the embodiment shown, there is an advantage that the protrusion due to the provision of the antenna can be eliminated.
ドアに設けられるアンテナ２は図示の実施例ではマイク
ロストリップスロットアンテナを用いたもので、第１図
に示すようにＣｕなどの良導体にてなる上記ストリップ
導体２１と、６個のスロット２２ａを有しＣｕなどの良
導体にてなる導体板２２から構成される。ストリップ導
体２１の平面形状は帯形状であって該ストリップ導体２
１の長手方向が自動車！の前後方向と平行となるように
ドア部の略中央部で絶縁層１１に設けられる。また、導
体板２２は、上記絶縁層１１上に形成された絶縁層１２
上に形成される。スロット２２ａの各平面形状は所定幅
とλ／４の長さを有する長方形状であって、６個のスロ
ット２２ａが３個ずつストリップ導体２１の両側で該ス
トリップ導体２１に関して対称位置にかつストリップ導
体２１の長手方向に対して直角な方向に延びるように導
体板２２に設けられる。スロット２２ａは互いに約λだ
け離れている。ここで、λは送受される電磁波の波長で
ある。ストリップ導体２１の自動車！前側の一端が給電
用コネクタ２３の中心導体２３ａにハンダ付は等の接続
方法により接続される。The antenna 2 installed on the door uses a microstrip slot antenna in the illustrated embodiment, and as shown in FIG. 1, it has the strip conductor 21 made of a good conductor such as Cu and six slots 22a. It is composed of a conductor plate 22 made of a good conductor such as Cu. The planar shape of the strip conductor 21 is a band shape, and the strip conductor 2
The longitudinal direction of 1 is the car! The insulating layer 11 is provided approximately at the center of the door portion so as to be parallel to the front-rear direction of the door. Further, the conductor plate 22 includes an insulating layer 12 formed on the insulating layer 11.
formed on top. Each of the slots 22a has a rectangular planar shape with a predetermined width and a length of λ/4, and three of the six slots 22a are arranged on both sides of the strip conductor 21 at symmetrical positions with respect to the strip conductor 21, and the strip conductor It is provided on the conductor plate 22 so as to extend in a direction perpendicular to the longitudinal direction of the conductor plate 21 . The slots 22a are separated from each other by approximately λ. Here, λ is the wavelength of the electromagnetic waves transmitted and received. Car with strip conductor 21! One end of the front side is connected to the center conductor 23a of the power supply connector 23 by a connection method such as soldering.
給電用コネクタ２３は第３図に示すように、例えば市販
のＭ型コネクタであって中心導体２３ａ１接地導体２３
ｂ及び絶縁体２３ｃにてなる。該コネクタ２３がストリ
ップ導体２１の一端の直下部の金属板１０に形成された
孔１０ａを貫通してかつコネクタ２３の接地導体２３ｂ
の外側が下地金属板ｌＯに接触して設けられ、接地導体
２３ｂの外側に形成されたネジ山に金属板ＩＯの両側に
設けられるナツト２４ａ、２４ｂを嵌合させ、ナツト２
４ａ、２４ｂを互いに金属板ｌＯ側方向に締め付けるこ
とにより上記コネクタ２３が金属板ｌＯに固定される。The power supply connector 23 is, for example, a commercially available M type connector, as shown in FIG.
b and an insulator 23c. The connector 23 passes through the hole 10a formed in the metal plate 10 directly below one end of the strip conductor 21 and the ground conductor 23b of the connector 23.
The outside of the ground conductor 23b is provided so that the outside thereof is in contact with the base metal plate IO, and the nuts 24a and 24b provided on both sides of the metal plate IO are fitted into the screw threads formed on the outside of the ground conductor 23b.
The connector 23 is fixed to the metal plate IO by tightening 4a and 24b toward the metal plate IO.
なお、該アンテナ２は上記コネクタ２３に接続される所
定の特性インピーダンスを有する給電線を介して送受信
機（いずれも図示せず）に接続される。アンテナ２を車
体の両ドア部に設けてもよい。The antenna 2 is connected to a transmitter/receiver (both not shown) via a feed line having a predetermined characteristic impedance that is connected to the connector 23. The antenna 2 may be provided on both doors of the vehicle body.
その場合、２組のマイクロストリップスロブトアンテナ
２は同一構成で設けられ、２組のアンテナ３を用いて公
知のスペースダイパーシティ方式により所望の電磁波を
送受信することができる。In that case, the two sets of microstrip throat antennas 2 are provided with the same configuration, and the two sets of antennas 3 can be used to transmit and receive desired electromagnetic waves using the well-known space diversity method.
以上のように構成されたマイクロストリップスロットア
ンテナ２において、スロット２２ａが放射素子として働
くとともに、自動車１のボディの金属板ｌＯが該アンテ
ナ２の反射素子として働き、該アンテナ３は金属板ｌＯ
と垂直な方向の水平方向に対して利得が最大となる指向
特性を有する。In the microstrip slot antenna 2 configured as described above, the slot 22a acts as a radiating element, the metal plate lO of the body of the automobile 1 acts as a reflection element of the antenna 2, and the antenna 3 acts as a reflection element of the antenna 2.
It has a directivity characteristic in which the gain is maximum in the horizontal direction, which is perpendicular to the direction.
従って、該アンテナ２は大地に沿って伝搬する電磁波又
は地上高が低いアンテナから送信される直接波などを主
に受信するのに適している。Therefore, the antenna 2 is suitable for mainly receiving electromagnetic waves propagating along the ground or direct waves transmitted from an antenna with a low ground clearance.
第４図は自動車ｌのルーフトップの下地金属板にこの発
明のアンテナを複数設けた例を示す。FIG. 4 shows an example in which a plurality of antennas of the present invention are provided on a base metal plate on the rooftop of an automobile.
第４図において、自動車ｌのルーフトップ部に設けられ
た４組の方形マイクロストリップバッチアンテナ３−１
，３−２． ３−３． ３−４はそれぞれ同一構成であ
って、４個の方形導体３１と該方形導体３１と給電用コ
ネクタ２３とを接続する接続用導体３２で構成される。In FIG. 4, four sets of rectangular microstrip batch antennas 3-1 are installed on the roof top of a car.
, 3-2. 3-3. 3-4 have the same configuration, and are composed of four rectangular conductors 31 and a connecting conductor 32 that connects the rectangular conductors 31 and the power supply connector 23.
方形導体３１の平面形状は一辺が約λ／２の正方形状で
あって、該６方形導体３１の対応する各辺が互いに同一
方向となり、かつ隣接する各方形導体３１の中心間の間
隔が約λとなるように各方形導体３１が設けられる。特
性インピーダンスで決定される所定幅を有する接続用導
体３２は各方形導体３１の自動車ｌ前側の端部から形成
され、自動車ｌの横方向に隣接した２個の方形導体３１
に接続される各導体３２が該２個の方形導体３１の中間
位置から自動車ｌ前方側に所定距離だけずれた位置で接
続され、さらに、該導体３２は接続点から給電用コネク
タ２３の中心導体２３ａに接続される。The planar shape of the rectangular conductor 31 is a square with one side of approximately λ/2, the corresponding sides of the hexagonal conductor 31 are in the same direction, and the distance between the centers of adjacent rectangular conductors 31 is approximately Each rectangular conductor 31 is provided so that λ. A connecting conductor 32 having a predetermined width determined by the characteristic impedance is formed from the end of each rectangular conductor 31 on the front side of the vehicle l, and connects two rectangular conductors 31 adjacent in the lateral direction of the vehicle l.
Each conductor 32 is connected to the center conductor 32 of the power supply connector 23 from the connection point to the center conductor 23 of the power supply connector 23. 23a.
なお、４個の方形導体３１から成る各組の方形マイクロ
ストリップパッチアンテナ３において、方形導体３１か
らコネクタ２３までの導体３２の電気長が一定になるよ
うに導体３２が形成され、４組の方形マイクロストリッ
プバッチアンテナ３が隣接する方形導体３１の中心間の
距離が約λとなるように設けられる。In addition, in each set of rectangular microstrip patch antennas 3 consisting of four rectangular conductors 31, the conductors 32 are formed so that the electrical length of the conductor 32 from the rectangular conductor 31 to the connector 23 is constant. The microstrip batch antenna 3 is provided so that the distance between the centers of adjacent rectangular conductors 31 is approximately λ.
以上のように構成された各方形ストリップパッチアンテ
ナ３において、４個の方形導体３１．６（＆射素子とし
て働くとともに、自動車ｌのボディの金属板１４が該ア
ンテナ３の反射素子として働き、該アンテナ３は金属板
１４と垂直な方向すなわち大地に対して垂直方向に対し
て利得が最大となる指向特性を有する。従って、該アン
テナ３は例えば衛星局との直接波の送受信に適している
。In each rectangular strip patch antenna 3 configured as described above, the four rectangular conductors 31.6 (&) act as reflecting elements, and the metal plate 14 of the body of the automobile l acts as a reflecting element of the antenna 3. The antenna 3 has a directional characteristic in which the gain is maximum in the direction perpendicular to the metal plate 14, that is, in the direction perpendicular to the ground.Therefore, the antenna 3 is suitable for transmitting and receiving direct waves to and from a satellite station, for example.
以上の実施例において、アンテナ３及び２をそれぞれ自
動車のルーフトップ部及び側面のドア部に設けているが
、これに限らず、後部トランク、又はボンネットなどの
任意の部分に形成してもよい。In the above embodiments, the antennas 3 and 2 are provided on the roof top and side door portions of the automobile, respectively, but the antennas are not limited thereto, and may be provided on any arbitrary portion such as the rear trunk or hood.
複数の場所にアンテナを設けることにより、移動体への
各方向からの到来電波を受信することができ、衛星移動
通信および陸上移動通信の双方にも対応することができ
る。また各種の周波数バンドに対応するアンテナ素子を
予め形成しておけば、該当する給電素子を選択すること
により、任意の周波数バンドのサービスを享受すること
ができる。By providing antennas at multiple locations, it is possible to receive radio waves arriving at a mobile object from various directions, and it is possible to support both satellite mobile communication and land mobile communication. Furthermore, if antenna elements corresponding to various frequency bands are formed in advance, it is possible to enjoy services in any frequency band by selecting a corresponding feeding element.
上述のように４個のアンテナ３をアレイ状に設けている
ので、指向性制御を伴う通信、並びに伝搬歪補償機能を
付加した通信のための公知の制御回路を備えることによ
り、ユーザの要望に応じて高度な機能を有する無線信号
の送受信を行うことができるという利点がある。As mentioned above, the four antennas 3 are arranged in an array, so by providing a known control circuit for communication with directivity control and communication with a propagation distortion compensation function, it is possible to meet user demands. There is an advantage in that it is possible to transmit and receive wireless signals with advanced functions according to the requirements.
第７図は第４図の４組の方形マイクロストリップスロッ
トアンテナ３の受信用指向制御処理回路４０の一例を示
すブロック図である。第４図の４組の各アンテナ３で受
信された信号はそれぞれ、コネクタ２３及び所定の給電
線５０を介してダイパーシティ処理回路４０の移相器４
１に入力され、該移相器４１は、位相制御器４５によっ
て指示される位相量だけ入力信号を移相して加算器４２
に出力する。加算器４２で加算された４個の信号はプリ
アンプ４３を介して受信機４６に出力されるとともに、
電力検出回路４４に出力される。電力検出回路４４は加
算された信号の電力レベルを検出して位相制御器４５に
出力し、これに応答して位相制御器４５は上記検出され
た電力レベルが最大となるように移相器４１を制御する
。従って、受信機４６に入力される信号の電力レベルが
最大となるように制御され、それ故、受信機４６におい
て該信号が安定に復調されてスピーカ４７及び端末装置
（図示せず）に出力される。FIG. 7 is a block diagram showing an example of the receiving directivity control processing circuit 40 of the four sets of rectangular microstrip slot antennas 3 shown in FIG. The signals received by each of the four sets of antennas 3 in FIG.
1, the phase shifter 41 shifts the input signal by a phase amount instructed by the phase controller 45, and outputs the input signal to the adder 42.
Output to. The four signals added by the adder 42 are output to the receiver 46 via the preamplifier 43, and
It is output to the power detection circuit 44. The power detection circuit 44 detects the power level of the added signal and outputs it to the phase controller 45. In response, the phase controller 45 adjusts the phase shifter 41 so that the detected power level is maximized. control. Therefore, the power level of the signal input to the receiver 46 is controlled to be maximum, and therefore, the signal is stably demodulated in the receiver 46 and output to the speaker 47 and the terminal device (not shown). Ru.
第７図の実施例においては、受信用指向制御処理回路４
０について説明しているか、これに限らず、上記アンテ
ナ２及び３に送受信用指向制御処理回路を設けてもよい
。In the embodiment shown in FIG.
However, the present invention is not limited to this, and the antennas 2 and 3 may be provided with a directivity control processing circuit for transmitting and receiving.
以上の実施例において、アンテナ素子２１．２２．３１
を絶縁層１１．１２．１５を介して設けているが、これ
に限らず、空気層を介して、車両のボディに固定された
基板に形成されたアンテナ素子を設けてもよい。In the above embodiments, the antenna elements 21.22.31
are provided via the insulating layers 11, 12, and 15, but the present invention is not limited to this, and an antenna element formed on a substrate fixed to the vehicle body may be provided via an air layer.
また、以上の実施例においては、マイクロストリップス
ロットアンテナ２及び方形マイクロストリップパッチア
ンテナ３について述べているが、これに限らず、公知の
円形マイクロストリップパッチアンテナ、マイクロスト
リップラインアンテナ等の平面型アンテナを車両又は船
舶等の移動体のボディに一体的に設けてもよい。Further, in the above embodiments, the microstrip slot antenna 2 and the rectangular microstrip patch antenna 3 are described, but the present invention is not limited to this, and planar antennas such as known circular microstrip patch antennas and microstrip line antennas can also be used. It may be provided integrally with the body of a moving body such as a vehicle or a ship.
［発明の効果］
以上説明したように、車両又は船舶等の移動体のボディ
の加工・製造プロセスの中で平面型アンテナ素子をボデ
ィの金属板１０．１４に近接しかつ沿って設けたので、
アンテナが移動体から突出することがなく、アンテナが
移動体から突出していることによる走行抵抗の増加やア
ンテナの破損の問題が解消できるとともに、美観を損な
うこともなくなり、さらに、アンテナ後付けのための作
業が不要となり、該アンテナの盗難や破損を防止するこ
とができる。[Effects of the Invention] As explained above, since the planar antenna element is provided close to and along the metal plate 10.14 of the body during the processing/manufacturing process of the body of a moving body such as a vehicle or a ship,
The antenna does not protrude from the moving object, which eliminates the problems of increased running resistance and antenna damage caused by the antenna protruding from the moving object, and also eliminates the loss of aesthetics. This eliminates the need for additional work and prevents the antenna from being stolen or damaged.
さらに、アンテナが移動体のボディ外に突出しないので
、移動体の走行性や美観を損なうことなく複数のアンテ
ナを一移動体内に設けることができるから、多種の移動
体通信サービスを受信することが可能となる。Furthermore, since the antenna does not protrude outside the body of the mobile object, multiple antennas can be installed within a single mobile object without impairing the running performance or aesthetics of the mobile object, making it possible to receive a wide variety of mobile communication services. It becomes possible.
また、移動体のボディの製造時に下地金属板に給電系引
込み孔を形成することができるので、防水効果を高くす
ることが可能となり、給電線引込みの問題も解決できる
という利点がある。In addition, since the feeder system lead-in hole can be formed in the base metal plate when manufacturing the body of the moving body, it is possible to improve the waterproofing effect, and there is an advantage that the problem of the feeder wire lead-in can be solved.
第１図は本発明の一実施例である方形マイクロストリッ
プパッチアンテナ２とマイクロストリップスロットアン
テナ３を自動車のボディと一体的に設けた自動車の一部
破断側面図、
第２図は第１図のＡ−Ａ’線の縦断面図、第３図は第１
図のＢ−Ｂ′線の縦断面図、第４図は第１図の自動車の
一部破断平面図、第５図は第４図のｃ−ｃ’線の縦断面
図、第６図は第４図のＤ−Ｄ’線の縦断面図、第７図は
第４図の方形マイクロストリップパッチアンテナに接続
される受信用指向制御処理回路のブロック図、
第８図と第９図は本発明の変形例を示す縦断面図である
。
ｌ・自動車、
２ ・マイクロストリップスロットアンテナ、３ ・方
形マイクロストリップパッチアンテナ、１０．１４・・
・金属板、
Ｉｔ、１２．１５・・・誘電体基板、
２１・・・ストリップ導体、
２２・・・導体板、
２２ａ・・・スロット、
２３・・給電用コネクタ、
３１・・・方形導体、
３２・・・接続用導体、
４０・・・受信用指向制御処理回路。
特許出願人 株式会社エイ・ティ・アール光電波通信研
究所FIG. 1 is a partially cutaway side view of an automobile in which a rectangular microstrip patch antenna 2 and a microstrip slot antenna 3, which are one embodiment of the present invention, are integrally provided with the automobile body. A vertical cross-sectional view taken along line A-A', Figure 3 is
Fig. 4 is a partially cutaway plan view of the automobile shown in Fig. 1, Fig. 5 is a longitudinal sectional view taken along line C-C' in Fig. 4, and Fig. 6 is 4 is a vertical cross-sectional view taken along line DD', FIG. 7 is a block diagram of the receiving directivity control processing circuit connected to the rectangular microstrip patch antenna of FIG. 4, and FIGS. 8 and 9 are the main It is a longitudinal cross-sectional view showing a modification of the invention. l・Automobile, 2・Microstrip slot antenna, 3・Square microstrip patch antenna, 10.14...
・Metal plate, It, 12.15...Dielectric substrate, 21...Strip conductor, 22...Conductor plate, 22a...Slot, 23...Power supply connector, 31...Square conductor, 32... Connection conductor, 40... Directional control processing circuit for reception. Patent applicant: A.T.R. Optical Radio Communication Research Institute, Inc.
Claims (1)
概略平坦な部分に沿って、かつ絶縁層又は空気層を介し
てアンテナを設け、上記アンテナを保護膜で被覆してな
ることを特徴とする移動体のアンテナ。(1) An antenna is provided along a generally flat portion of the movable body body through an insulating layer or an air layer in the manufacturing process of the movable body body, and the antenna is covered with a protective film. mobile antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14293587A JPS63306704A (en) | 1987-06-08 | 1987-06-08 | Antenna for mobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14293587A JPS63306704A (en) | 1987-06-08 | 1987-06-08 | Antenna for mobile body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63306704A true JPS63306704A (en) | 1988-12-14 |
Family
ID=15327065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14293587A Pending JPS63306704A (en) | 1987-06-08 | 1987-06-08 | Antenna for mobile body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63306704A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044601A (en) * | 1990-04-23 | 1992-01-09 | Kojima Press Co Ltd | On-vehicle antenna system |
| JPH0435206A (en) * | 1990-05-28 | 1992-02-06 | Mitsubishi Electric Corp | Antenna system |
| FR2766016A1 (en) * | 1997-07-09 | 1999-01-15 | Siemens Ag | ANTENNA DEVICE FOR ANTI-THEFT SYSTEM OF A MOTOR VEHICLE |
| WO2004027925A1 (en) * | 2002-09-12 | 2004-04-01 | Daimlerchrysler Ag | Plastic vehicle parts with integrated antenna elements and method for the production thereof |
| FR2854987A1 (en) * | 2003-05-14 | 2004-11-19 | Kansai Paint Co Ltd | METHOD FOR FORMING AN AUTOMOTIVE ANTENNA |
| JP2008252917A (en) * | 2001-07-13 | 2008-10-16 | Hrl Lab Llc | Low-profile, multi-antenna module, and method of integration into vehicle |
| JP2010204032A (en) * | 2009-03-05 | 2010-09-16 | Fuji Heavy Ind Ltd | Radar device for vehicle |
| JP2010206710A (en) * | 2009-03-05 | 2010-09-16 | Fuji Heavy Ind Ltd | In-vehicle radar antenna |
| CN102598407A (en) * | 2009-11-02 | 2012-07-18 | 浦项工科大学校产学协力团 | Transmission line and antenna for vehicle |
| JPWO2020084841A1 (en) * | 2018-10-24 | 2021-10-07 | 住友電気工業株式会社 | Antenna module and vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112152A (en) * | 1975-03-27 | 1976-10-04 | Tech Res & Dev Inst Of Japan Def Agency | Antenna |
-
1987
- 1987-06-08 JP JP14293587A patent/JPS63306704A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51112152A (en) * | 1975-03-27 | 1976-10-04 | Tech Res & Dev Inst Of Japan Def Agency | Antenna |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044601A (en) * | 1990-04-23 | 1992-01-09 | Kojima Press Co Ltd | On-vehicle antenna system |
| JPH0435206A (en) * | 1990-05-28 | 1992-02-06 | Mitsubishi Electric Corp | Antenna system |
| FR2766016A1 (en) * | 1997-07-09 | 1999-01-15 | Siemens Ag | ANTENNA DEVICE FOR ANTI-THEFT SYSTEM OF A MOTOR VEHICLE |
| JP2008252917A (en) * | 2001-07-13 | 2008-10-16 | Hrl Lab Llc | Low-profile, multi-antenna module, and method of integration into vehicle |
| WO2004027925A1 (en) * | 2002-09-12 | 2004-04-01 | Daimlerchrysler Ag | Plastic vehicle parts with integrated antenna elements and method for the production thereof |
| GB2401726B (en) * | 2003-05-14 | 2006-07-19 | Kansai Paint Co Ltd | Method for forming automotive antenna |
| FR2854987A1 (en) * | 2003-05-14 | 2004-11-19 | Kansai Paint Co Ltd | METHOD FOR FORMING AN AUTOMOTIVE ANTENNA |
| JP2010204032A (en) * | 2009-03-05 | 2010-09-16 | Fuji Heavy Ind Ltd | Radar device for vehicle |
| JP2010206710A (en) * | 2009-03-05 | 2010-09-16 | Fuji Heavy Ind Ltd | In-vehicle radar antenna |
| CN102598407A (en) * | 2009-11-02 | 2012-07-18 | 浦项工科大学校产学协力团 | Transmission line and antenna for vehicle |
| EP2497149A2 (en) * | 2009-11-02 | 2012-09-12 | Postech Academy-Industry- Foundation | Transmission line and antenna for vehicle |
| EP2497149A4 (en) * | 2009-11-02 | 2013-04-03 | Postech Acad Ind Found | Transmission line and antenna for vehicle |
| JPWO2020084841A1 (en) * | 2018-10-24 | 2021-10-07 | 住友電気工業株式会社 | Antenna module and vehicle |
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