JP3159084B2 - Surface mount antenna and communication device using the same - Google Patents
Surface mount antenna and communication device using the sameInfo
- Publication number
- JP3159084B2 JP3159084B2 JP25620896A JP25620896A JP3159084B2 JP 3159084 B2 JP3159084 B2 JP 3159084B2 JP 25620896 A JP25620896 A JP 25620896A JP 25620896 A JP25620896 A JP 25620896A JP 3159084 B2 JP3159084 B2 JP 3159084B2
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- power supply
- base
- face
- ground terminal
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は、携帯電話等の移動
体通信機器、無線ＬＡＮ(Local Area Network)に用いら
れる表面実装型アンテナおよびこれを用いた通信機に関
する。The present invention relates to a mobile communication device such as a mobile phone, a surface mount antenna used for a wireless LAN (Local Area Network), and a communication device using the same.
【０００２】[0002]
【従来の技術】従来の表面実装型アンテナを図９を用い
て説明する。2. Description of the Related Art A conventional surface mount antenna will be described with reference to FIG.
【０００３】図９において、２０は表面実装型アンテナ
であり、基体２１を備える。基体２１の一つの端面２１
ａには、グランド端子２２と給電端子２３の一部が設け
られている。この給電端子２３の残部は端面２１ａに隣
接する端面２１ｃの一部に跨がって設けられている。前
記一つの端面２１ａに対向する端面２１ｂには、容量装
荷電極２４が設けられている。基体２１の対向する両端
面２１ａ、２１ｂ間には貫通孔２５が形成され、この貫
通孔２５の内周には放射電極２５ａが形成されている。
この放射電極２５ａは、グランド端子２２および容量装
荷電極２４と電気的にそれぞれ接続されている。そし
て、前記一つの端面２１ａに隣接する一つの端面２１ｃ
から貫通孔２５に向かって貫通孔２６が形成されてい
る。この貫通孔２６の内周には給電用電極２６ａが形成
され、この給電用電極２６ａは給電端子２３および放射
電極２５ａと電気的に接続されている。[0003] In FIG. 9, reference numeral 20 denotes a surface-mounted antenna, which includes a base 21. One substrate 21 one end face 21
In a, a ground terminal 22 and a part of the power supply terminal 23 are provided. The remaining part of the power supply terminal 23 is provided so as to straddle a part of the end face 21c adjacent to the end face 21a. A capacitance loading electrode 24 is provided on an end face 21b opposite to the one end face 21a. A through-hole 25 is formed between the opposite end surfaces 21a and 21b of the base 21, and a radiation electrode 25a is formed on the inner periphery of the through-hole 25.
The radiation electrode 25a is electrically connected to the ground terminal 22 and the capacitance loading electrode 24, respectively. And one end face 21c adjacent to the one end face 21a.
, A through hole 26 is formed toward the through hole 25. A power supply electrode 26a is formed on the inner periphery of the through hole 26, and the power supply electrode 26a is electrically connected to the power supply terminal 23 and the radiation electrode 25a.
【０００４】このように構成される表面実装型アンテナ
２０は、グランド用の電極２７ａおよび給電用の電極２
７ｂが形成されたプリント基板２７に載置され、電極２
７ａとグランド端子２２、および電極２７ｂと給電端子
２３がそれぞれ半田接続される。[0004] The surface-mounting antenna 20 configured as described above includes an electrode 27a for ground and an electrode 2 for power supply.
7b is placed on the printed circuit board 27 on which the electrodes 2b are formed.
7a and the ground terminal 22, and the electrode 27b and the power supply terminal 23 are respectively connected by soldering.
【０００５】そして、電極２７ｂ、給電端子２３および
給電用電極２６ａを介して放射電極２５ａに印加された
高周波信号ｆは、放射電極２５ａから電波となって放射
される。また、放射電極２５ａに入射した電波は、給電
端子２３および電極２７ｂから高周波増幅部（図示せ
ず）へと送られる。The high-frequency signal f applied to the radiation electrode 25a via the electrode 27b, the power supply terminal 23 and the power supply electrode 26a is radiated from the radiation electrode 25a as a radio wave. The radio wave incident on the radiation electrode 25a is transmitted from the power supply terminal 23 and the electrode 27b to a high-frequency amplifier (not shown).
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、従来の
表面実装型アンテナ２０は、二つの貫通孔２５、２６を
設けなければならず、さらに、これらの貫通孔２５、２
６に放射電極２５ａおよび給電用電極２６ａを形成する
という繁雑な手段を必要として、コストアップとなる。
とくに、貫通孔２５の内周に形成された放射電極２５ａ
の放射抵抗やリアクタンス成分は、孔の直径に起因して
生じる。この貫通孔２５の直径を小さくすると、波長短
縮の効果が大きくなって小型にできるが、その反面、貫
通孔２５の内周に放射電極２５ａを形成しにくくなるた
め、小型化にも限度があり、特性パラメータの設計に制
限をうけていた。また、成型上、ストレート孔しか形成
できず、放射電極２５ａを長くすることができないとい
う欠点を有していた。[SUMMARY OF THE INVENTION However, the conventional surface mount antenna 20, it is necessary to provide two through holes 25 and 26, further, the through holes 25,2
6, a radiation electrode 25a and a power supply electrode 26a are formed.
This requires complicated means, which increases costs.
In particular, the radiation electrode 25a formed on the inner periphery of the through hole 25
The radiation resistance and the reactance component of are caused by the diameter of the hole. When the diameter of the through hole 25 is reduced, the effect of shortening the wavelength is increased and the size can be reduced. On the other hand, since it is difficult to form the radiation electrode 25 a on the inner periphery of the through hole 25, there is a limit to downsizing. However, the design of characteristic parameters has been limited. In addition, there is a disadvantage that only a straight hole can be formed due to molding, and the radiation electrode 25a cannot be lengthened.
【０００７】また、上述のように、従来の表面実装型ア
ンテナを実装した従来の通信機は、アンテナそのものの
小型化が難しいため、通信機筐体を小型化できないとい
う欠点があった。Further, as described above, a conventional communication device on which a conventional surface mount antenna is mounted has a disadvantage that the size of the antenna itself is difficult, and thus the size of the communication device housing cannot be reduced.
【０００８】そこで、本発明は、基体の表面に放射電極
を形成することにより、電極形成を容易とし、また、小
型化に対応できる表面実装型アンテナおよびこれを用い
た通信機を提供することを目的とする。[0008] Therefore, the present invention is, by forming the radiation electrode on the surface of the substrate, and easily forming the electrodes, or, communication using the surface mount antenna and which can cope with small <br/> type of The purpose is to provide a machine.
【０００９】[0009]
【課題を解決するための手段】上記の目的を達成するた
め、本発明にかかる表面実装型アンテナにおいては、厚
み方向に隔てられて互いに平行な2つの主面と、該主面
間を連結する4つの端面とで構成される誘電体または磁
性体よりなる基体と、 該基体のいずれかの端面に形成さ
れたグランド端子および給電端子と、 前記基体のグラン
ド端子あるいは給電端子が形成された端面以外の端面に
形成された容量装荷電極と、 前記基体の一方主面に設け
られ、一端が前記グランド端子に接続され、他端が前記
容量装荷電極に接続されてなる放射電極と、 一端が前記
給電電極に接続され、他端が前記放射電極の整合部に直
接接続された給電用電極と、から構成したことを特徴と
する。In order to achieve the above object, a surface mount antenna according to the present invention has a thickness of
Two main surfaces separated from each other in the direction of
Dielectric or magnetic material consisting of four end faces connecting
And a substrate formed on any end face of the substrate.
And the ground terminal and power supply terminal, ground of the substrate
Terminal or power supply terminal.
A capacitor-loaded electrode formed on one of the main surfaces of the base;
One end is connected to the ground terminal, and the other end is
A radiation electrode connected to a capacitance-loaded electrodes, one end of the
The other end is connected to the feed electrode and the other end is directly
And a power supply electrode connected in contact with the power supply electrode .
【００１０】また、 厚み方向に隔てられて互いに平行
な2つの主面と、該主面間を連結する4つの端面とで構成
される誘電体または磁性体よりなる基体と、 該基体のい
ずれかの端面に形成されたグランド端子および給電端子
と、 前記基体のグランド端子あるいは給電端子が形成さ
れた端面以外の端面に形成された容量装荷電極と、 前記
基体の一方主面に設けられ、一端が前記グランド端子に
接続され、他端が前記容量装荷電極に接続されてなる放
射電極と、 一端が前記給電電極に接続され、他端が前記
放射電極の整合部に容量接続された給電用電極と、から
構成したことを特徴とする。 [0010] Further, they are separated from each other in the thickness direction and are parallel to each other.
Consisting of two main surfaces and four end surfaces connecting the main surfaces
A dielectric or substrate made of a magnetic material is, have the base body
Ground terminal and power supply terminal formed on any end face
And a ground terminal or a power supply terminal of the base is formed.
And capacity loaded electrode formed on the end face other than end face, wherein
It is provided on one main surface of the base, and one end is connected to the ground terminal.
And the other end is connected to the capacitive loading electrode.
A firing electrode, one end of which is connected to the feed electrode, and the other end of which is
A power supply electrode that is capacitively connected to the matching part of the radiation electrode,
It is characterized by comprising.
【００１１】また、前記給電端子の一部若しくは全部
を、前記基体の前記グランド端子が形成された端面に形
成したことを特徴とする。Further, a part or all of the power supply terminal is provided.
On the end face of the base where the ground terminal is formed.
It is characterized by having done.
【００１２】また、前記放射電極がストリップライン
状、コ字状、ミアンダ状若しくはクランク軸形状をなす
ことを特徴とする。Further, the radiation electrode has a stripline shape, a U shape, a meander shape or a crankshaft shape.
【００１３】また、厚み方向に隔てられて互いに平行な
2つの主面と、該主面間を連結する4つの端面とで構成さ
れる誘電体または磁性体よりなる基体と、 該基体のいず
れかの端面に形成されたグランド端子および給電端子
と、 前記基体のグランド端子あるいは給電端子が形成さ
れた端面以外の端面に形成された容量装荷電極と、 前記
基体の端面の一つで、前記グランド端子、容量装荷電極
が形成された端面 のそれぞれに隣接する端面に形成さ
れ、一端が前記グランド端子に接続され、他端が前記容
量装荷電極に接続されてなる放射電極と、 前記基体の前
記放射電極が形成された端面と該端面に対向する端面と
の間に形成された貫通孔の内周に設けられた給電用電極
と、を有し、 前記給電用電極の一端は前記放射電極に接
続され、給電用電極の他端は前記給電端子に接続されて
なることを特徴とする。[0013] Further, they are parallel to each other and separated in the thickness direction.
It is composed of two main surfaces and four end surfaces connecting the main surfaces.
A substrate made of a dielectric or magnetic material, and any one of the substrates
Ground terminal and power supply terminal formed on one end face
And a ground terminal or a power supply terminal of the base is formed.
And capacity loaded electrode formed on the end face other than end face, wherein
One of the end faces of the substrate, the ground terminal, the capacitance loading electrode
Formed on the end face adjacent to each of the formed end faces
One end is connected to the ground terminal, and the other end is the capacitor.
A radiation electrode connected to the amount loaded electrode, prior to the substrate
An end face on which the radiation electrode is formed and an end face facing the end face;
Power supply electrode provided on the inner periphery of the through hole formed between
And one end of the power supply electrode is in contact with the radiation electrode.
The other end of the power supply electrode is connected to the power supply terminal.
It is characterized by becoming .
【００１４】また、本発明にかかる通信機は、上記した
構成を有する表面実装型アンテナを搭載してなることを
特徴とする。Further, a communication device according to the present invention is provided with a surface-mounted antenna having the above-described configuration.
【００１５】以上のように、本発明は、放射電極を基体
の主面または端面に、ストリップライン状またはミアン
ダ状に形成しているので、波長短縮が図られ、さらに、
基体の端面に容量装荷電極を配置して波長短縮を図って
いるので、一層の小型化が可能である。しかも、放射電
極を屈曲させて構成した場合、チップサイズをさらに小
さくすることができる。そのうえ、基体の表面および端
面に放射電極、容量装荷電極等を形成するもので、周波
数などの特性調整が容易となる。また、グランド端子お
よび給電端子を基体の同一端面に形成すれば、製造にお
いて電極を印刷する工程が削減される。As described above, according to the present invention, since the radiation electrode is formed on the main surface or end surface of the base in a stripline or meander shape, the wavelength can be shortened.
Since the capacitance loading electrode is arranged on the end face of the base to shorten the wavelength, further miniaturization is possible. In addition, when the radiation electrode is bent , the chip size can be further reduced. In addition, a radiation electrode, a capacitance loading electrode, and the like are formed on the surface and the end face of the base, so that characteristics such as frequency can be easily adjusted. In addition, if the ground terminal and the power supply terminal are formed on the same end surface of the base, the number of steps for printing the electrodes in manufacturing can be reduced.
【００１６】また、本発明の表面実装型アンテナを搭載
してなる通信機は、アンテナの占有容量が小さくて済む
ので、搭載されるアンテナの所在を外部から目立たなく
することができる。Further, since the communication device equipped with the surface mount antenna of the present invention requires a small occupied capacity of the antenna, the location of the mounted antenna can be made inconspicuous from the outside.
【００１７】[0017]
【発明の実施の形態】本発明の第一の実施例にかかる表
面実装型アンテナの構成を図１を用いて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A configuration of a surface mount antenna according to a first embodiment of the present invention will be described with reference to FIG.
【００１８】図１において、１０は表面実装型アンテナ
であり、誘電体または磁性体からなり、厚み方向に隔て
られて互いに平行な２つの主面と、該主面間を連結する
４つの端面とで構成される矩形状の基体１を備える。基
体１の一つの端面１ａにはグランド端子２と給電端子３
とが分割して形成されている。前記一つの端面１ａに対
向する他の端面１ｂには容量装荷電極４が形成されてい
る。基体１の一方主面には、ストリップライン状の放射
電極５が形成され、この放射電極５の両端はグランド端
子２および容量装荷電極４にそれぞれ接続されている。
また、基体１の一方主面には、屈曲した給電用電極６が
形成され、この給電用電極６の一端は放射電極５の整合
部５ｄに接続され、他端は給電端子３に接続されてい
る。In FIG. 1, reference numeral 10 denotes a surface-mounted antenna, which is made of a dielectric or magnetic material and is spaced apart in the thickness direction.
Two main surfaces parallel to each other and connecting between the main surfaces
It has a rectangular base 1 composed of four end faces. A ground terminal 2 and a power supply terminal 3 are provided on one end face 1a of the base 1.
Are formed separately. A capacitance loading electrode 4 is formed on the other end surface 1b opposite to the one end surface 1a. On one main surface of the base 1, a strip line-shaped radiation electrode 5 is formed, and both ends of the radiation electrode 5 are connected to the ground terminal 2 and the capacitance loading electrode 4, respectively.
A bent power supply electrode 6 is formed on one main surface of the base 1, and one end of the power supply electrode 6 is connected to the matching portion 5 d of the radiation electrode 5, and the other end is connected to the power supply terminal 3. I have.
【００１９】このように構成される表面実装型アンテナ
１０は、グランド用の電極１１ａおよび給電用の電極１
１ｂが形成された基板、例えばプリント基板に載置さ
れ、電極１１ａとグランド端子２、および電極１１ｂと
給電端子３がそれぞれ半田接続される。The surface-mounted antenna 10 configured as described above includes a ground electrode 11a and a power supply electrode 1a.
The electrode 11a and the ground terminal 2, and the electrode 11b and the power supply terminal 3 are connected by soldering, respectively, on a substrate on which the substrate 1b is formed, for example, a printed circuit board.
【００２０】表面実装型アンテナ１０の概略の電気的等
価回路は、図６に示すようになる。すなわち、Ｃはグラ
ンド端子２と容量装荷電極４との間に形成される装荷容
量、Ｒは放射抵抗、Ｌは放射電極５のインダクタンスで
あり、これらの容量Ｃ、放射抵抗Ｒおよびインダクタン
スＬが並列に接続されて並列共振回路を構成している。
そして、基板１１の電極１１ｂ、給電端子３および給電
用電極６を介して、放射電極５に印加された高周波信号
ｆは並列共振して放射電極５から電波となって放射され
る。A schematic electrical equivalent circuit of the surface mount antenna 10 is as shown in FIG. That is, C is a loading capacitance formed between the ground terminal 2 and the capacitance loading electrode 4, R is a radiation resistance, L is an inductance of the radiation electrode 5, and the capacitance C, the radiation resistance R and the inductance L are parallel. To form a parallel resonance circuit.
Then, the high-frequency signal f applied to the radiation electrode 5 is parallel-resonated via the electrode 11 b of the substrate 11, the power supply terminal 3, and the power supply electrode 6, and is radiated as a radio wave from the radiation electrode 5.
【００２１】次に、本発明の第２の実施例にかかる表面
実装型アンテナの構成を図２を用いて説明する。本実施
例にかかる表面実装型アンテナ１０ａは、第１の実施例
に対し、放射電極５ａの形状をクランク軸形状としたも
のである。その他は、第１の実施例と同様なので、同一
符号を付してその説明は省略する。また、図６に示す電
気的等価回路も第１の実施例と同様である。Next, the configuration of a surface mount antenna according to a second embodiment of the present invention will be described with reference to FIG. The surface mount antenna 10a according to the present embodiment is different from the first embodiment in that the radiation electrode 5a has a crankshaft shape. The other parts are the same as those of the first embodiment. The electrical equivalent circuit shown in FIG. 6 is the same as that of the first embodiment.
【００２２】本実施例は、放射電極５ａの形状をクラン
ク軸形状に屈曲させることにより、放射電極５ａの長さ
寸法を拡大させ、第１の実施例と同じチップサイズでも
って低い周波数に対応できるものである。このことか
ら、同じ周波数ならば、チップサイズを小型にできるこ
ととなる。In this embodiment, the length of the radiation electrode 5a is increased by bending the shape of the radiation electrode 5a into the shape of a crankshaft, and it is possible to cope with a low frequency with the same chip size as the first embodiment. Things. From this, if the frequency is the same, the chip size can be reduced.
【００２３】次に、本発明の第３の実施例にかかる表面
実装型アンテナの構成を図３を用いて説明する。本実施
例にかかる表面実装型アンテナ１０ｂは、第１の実施例
に対し、給電端子３と放射電極５の整合部５ｅとの接続
を基体１の一つの端面１ａにおいて行い、グランド端子
２と給電端子３とを細い電極で接続したものである。そ
の他は、第１の実施例と同様なので、同一符号を付して
その説明は省略する。また、図６に示す電気的等価回路
も第１の実施例と同様である。Next, the configuration of a surface mount antenna according to a third embodiment of the present invention will be described with reference to FIG. The surface mount antenna 10b according to the present embodiment is different from the first embodiment in that the power supply terminal 3 and the matching portion 5e of the radiation electrode 5 are connected to one end face 1a of the base 1, and the ground terminal 2 is connected to the power supply terminal. The terminal 3 is connected with a thin electrode. The other parts are the same as those of the first embodiment. The electrical equivalent circuit shown in FIG. 6 is the same as that of the first embodiment.
【００２４】次に、本発明の第４の実施例にかかる表面
実装型アンテナの構成を図４を用いて説明する。本実施
例にかかる表面実装型アンテナ１０ｃは、第１の実施例
に対し、給電端子３ａを基体１の一つの端面１ａに隣接
する他の端面７ａに跨がって設け、この端面７ａに対向
する端面７ｂにストリップライン状の放射電極５ｂを設
け、端面７ａから端面７ｂに向かって貫通孔８を設け、
この貫通孔８の内周に給電用電極６ａを設けて、この給
電用電極６ａを給電端子３ａおよび放射電極５ｂとそれ
ぞれ接続したものである。その他は、第１の実施例と同
様なので、同一符号を付してその説明は省略する。ま
た、図６に示す電気的等価回路も第１の実施例と同様で
ある。Next, the configuration of a surface mount antenna according to a fourth embodiment of the present invention will be described with reference to FIG. The surface mount antenna 10c according to the present embodiment is different from the first embodiment in that the power supply terminal 3a is provided across the other end surface 7a adjacent to one end surface 1a of the base 1, and is opposed to the end surface 7a. A strip line-shaped radiation electrode 5b is provided on the end face 7b to be formed, and a through hole 8 is provided from the end face 7a toward the end face 7b;
A power supply electrode 6a is provided on the inner periphery of the through hole 8, and the power supply electrode 6a is connected to the power supply terminal 3a and the radiation electrode 5b, respectively. The other parts are the same as those of the first embodiment. The electrical equivalent circuit shown in FIG. 6 is the same as that of the first embodiment.
【００２５】次に、本発明の第５の実施例にかかる表面
実装型アンテナの構成を図５を用いて説明する。本実施
例にかかる表面実装型アンテナ１０ｄは、第１の実施例
に対し、給電端子３に一端が接続された給電用電極６ｂ
の他端を屈曲させて、放射電極５の整合部近傍に配置
し、放射電極５と給電用電極６ｂとの間にギャップｇを
設け、このギャップｇに形成される容量により、給電用
電極６ｂと放射電極５とを電磁界結合させたものであ
る。その他は、第１の実施例と同様なので、同一符号を
付してその説明は省略する。また、電気的等価回路は図
７に示すようになる。すなわち、第１の実施例の電気的
等価回路における装荷容量Ｃ、放射抵抗Ｒおよびインダ
クタンスＬの並列回路に、給電部の容量Ｃｇと高周波信
号ｆとの直列回路が並列接続されたものとなる。Next, the configuration of a surface mount antenna according to a fifth embodiment of the present invention will be described with reference to FIG. The surface mount antenna 10d according to the present embodiment is different from the first embodiment in that the power supply electrode 6b having one end connected to the power supply terminal 3 is provided.
Is bent and disposed near the matching portion of the radiation electrode 5, a gap g is provided between the radiation electrode 5 and the power supply electrode 6 b, and the capacitance formed in the gap g allows the power supply electrode 6 b And the radiation electrode 5 are electromagnetically coupled. The other parts are the same as those of the first embodiment. The electrical equivalent circuit is as shown in FIG. That is, a series circuit of the capacitance Cg of the power supply unit and the high-frequency signal f is connected in parallel to the parallel circuit of the load capacitance C, the radiation resistance R, and the inductance L in the electrical equivalent circuit of the first embodiment.
【００２６】なお、上記各実施例においては、グランド
端子および給電端子が基体の同一端面に形成される場合
について説明したが、これら端子は互いに異なる端面に
形成されてもよい。In each of the above embodiments, the case where the ground terminal and the power supply terminal are formed on the same end surface of the base has been described. However, these terminals may be formed on different end surfaces.
【００２７】次に、上記第１乃至第５の実施例にかかる
表面実装型アンテナを搭載した通信機を図８に示す。表
面実装型アンテナ１０（１０ａ乃至１０ｄのいずれか）
は、通信機９のセット基板（またはそのサブ基板）９ａ
にグランド端子および給電端子を半田接続して実装され
る。Next, FIG. 8 shows a communication device equipped with the surface mount antenna according to the first to fifth embodiments. Surface mount antenna 10 (any of 10a to 10d)
Is a set board (or a sub-board thereof) 9a of the communication device 9.
And a ground terminal and a power supply terminal are connected by soldering.
【００２８】[0028]
【発明の効果】本発明は、基体の表面に放射電極を形成
するとともに、容量装荷電極を配置しているので、電極
形成が容易となり、かつ、小型化を図ることができる。
また、放射電極をミアンダ状に屈曲させて構成した場
合、さらに小型化に対応できることとなる。また、基体
の主面および端面に放射電極、容量装荷電極などがある
ので、周波数などの特性調整が容易となる。また、グラ
ンド端子および給電端子を基体の同一端面に形成すれ
ば、製造において導体を印刷する工程が削減される。According to the present invention, since the radiation electrode is formed on the surface of the base and the capacitor-loaded electrode is arranged, the electrode can be easily formed and the size can be reduced.
In addition, when the radiation electrode is configured to be bent in a meandering shape,
In this case, it is possible to cope with further downsizing. Further, the radiation electrode on the main surface and the end surface of the substrate, because there is such capacity-loaded electrodes, it is easy to characteristic adjustment such as frequency. In addition, if the ground terminal and the power supply terminal are formed on the same end surface of the base, the step of printing a conductor in manufacturing can be reduced.
【００２９】また、本発明の表面実装型アンテナを搭載
してなる通信機は、アンテナの占有容量が小さくて済む
ので、搭載されるアンテナの所在を外部から目立たなく
することができる。Further, in the communication device equipped with the surface mount antenna of the present invention, the occupied capacity of the antenna can be small, so that the location of the mounted antenna can be made inconspicuous from the outside.
【図１】本発明の第１の実施例にかかる表面実装型アン
テナを示す斜視図である。FIG. 1 is a perspective view showing a surface mount antenna according to a first embodiment of the present invention.
【図２】本発明の第２の実施例にかかる表面実装型アン
テナを示す斜視図である。FIG. 2 is a perspective view showing a surface mount antenna according to a second embodiment of the present invention.
【図３】本発明の第３の実施例にかかる表面実装型アン
テナを示す斜視図である。FIG. 3 is a perspective view showing a surface mount antenna according to a third embodiment of the present invention.
【図４】本発明の第４の実施例にかかる表面実装型アン
テナを示す斜視図である。FIG. 4 is a perspective view showing a surface mount antenna according to a fourth embodiment of the present invention.
【図５】本発明の第５の実施例にかかる表面実装型アン
テナを示す斜視図である。FIG. 5 is a perspective view showing a surface mount antenna according to a fifth embodiment of the present invention.
【図６】図１乃至図４に示す表面実装型アンテナの電気
的等価回路図である。FIG. 6 is an electrical equivalent circuit diagram of the surface mount antenna shown in FIGS. 1 to 4;
【図７】図５に示す表面実装型アンテナの電気的等価回
路図である。FIG. 7 is an electrical equivalent circuit diagram of the surface mount antenna shown in FIG.
【図８】本発明にかかる通信機を示す斜視図である。FIG. 8 is a perspective view showing a communication device according to the present invention.
【図９】従来の表面実装型アンテナを示す斜視図であ
る。FIG. 9 is a perspective view showing a conventional surface mount antenna.
１ 基体 １ａ 対向する一つの端面 １ｂ 対向する他の端面 ２ グランド端子 ３ 給電端子 ４ 容量装荷電極 ５、５ａ、５ｂ 放射電極 ６、６ａ 給電用電極 ７ａ 隣接する一つの端面 ７ｂ 隣接する他の端面 ８ 貫通孔 １０、１０ａ、１０ｂ、１０ｃ、１０ｄ 表面実装
型アンテナ １１ 基板 １１ａ、１１ｂ 電極DESCRIPTION OF SYMBOLS 1 Base 1a Opposite one end face 1b Opposite other end face 2 Ground terminal 3 Feeding terminal 4 Capacitive loading electrode 5, 5a, 5b Radiating electrode 6, 6a Feeding electrode 7a One adjacent end face 7b Another adjacent end face 8 Through hole 10, 10a, 10b, 10c, 10d Surface mount antenna 11 Substrate 11a, 11b Electrode
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H01Q 13/08 H01Q 1/38 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 7 , DB name) H01Q 13/08 H01Q 1/38
Claims (6)
の主面と、該主面間を連結する4つの端面とで構成され
る誘電体または磁性体よりなる基体と、 該基体のいずれかの端面に形成されたグランド端子およ
び給電端子と、 前記基体のグランド端子あるいは給電端子が形成された
端面以外の端面に形成された容量装荷電極と、 前記基体の一方主面に設けられ、一端が前記グランド端
子に接続され、他端が前記容量装荷電極に接続されてな
る放射電極と、 一端が前記給電電極に接続され、他端が前記放射電極の
整合部に直接接続された給電用電極と、から構成したこ
とを特徴とする表面実装型アンテナ。 1. two parallel parts separated by a thickness direction
Main surface and four end surfaces connecting the main surfaces.
A base made of a dielectric or magnetic material, and a ground terminal formed on one end face of the base.
And a power supply terminal, and a ground terminal or a power supply terminal of the base are formed.
A capacitive loading electrode formed on an end surface other than the end surface; and a capacitance end electrode provided on one main surface of the base, one end of which is the ground end.
And the other end is connected to the capacitive loading electrode.
A radiation electrode, one end of which is connected to the feed electrode, and the other end of which is the radiation electrode.
Power supply electrode directly connected to the matching section.
And a surface-mounted antenna.
の主面と、該主面間を連結する4つの端面とで構成され
る誘電体または磁性体よりなる基体と、 該基体のいずれかの端面に形成されたグランド端子およ
び給電端子と、 前記基体のグランド端子あるいは給電端子が形成された
端面以外の端面に形成された容量装荷電極と、 前記基体の一方主面に設けられ、一端が前記グランド端
子に接続され、他端が前記容量装荷電極に接続されてな
る放射電極と、 一端が前記給電電極に接続され、他端が前記放射電極の
整合部に容量接続された給電用電極と、から構成したこ
とを特徴とする表面実装型アンテナ。 2. Two parallel and mutually separated in the thickness direction
Main surface and four end surfaces connecting the main surfaces.
A base made of a dielectric or magnetic material, and a ground terminal formed on one end face of the base.
And a power supply terminal, and a ground terminal or a power supply terminal of the base are formed.
A capacitive loading electrode formed on an end surface other than the end surface; and a capacitance end electrode provided on one main surface of the base, one end of which is the ground end.
And the other end is connected to the capacitive loading electrode.
A radiation electrode, one end of which is connected to the feed electrode, and the other end of which is the radiation electrode.
And a power supply electrode capacitively connected to the matching section.
And a surface-mounted antenna.
記基体の前記グランド端子が形成された端面に形成した
ことを特徴とする請求項1または請求項２に記載の表面
実装型アンテナ。3. A part or whole of the power supply terminal is connected to a front end.
It was formed on the end surface of the base where the ground terminal was formed.
Surface-mounted antenna according to claim 1 or claim 2, characterized in that.
字状、ミアンダ状若しくはクランク軸形状をなすことを
特徴とする請求項１乃至３のいずれかに記載の表面実装
型アンテナ。 4. The radiating electrode has a strip line shape,
Shape, meander shape or crankshaft shape
The surface mounting according to any one of claims 1 to 3, wherein
Type antenna.
の主面と、該主面間を連結する4つの端面とで構成され
る誘電体または磁性体よりなる基体と、 該基体のいずれかの端面に形成されたグランド端子およ
び給電端子と、 前記基体のグランド端子あるいは給電端子が形成された
端面以外の端面に形成された容量装荷電極と、 前記基体の端面の一つで、前記グランド端子、容量装荷
電極が形成された端面のそれぞれに隣接する端面に形成
され、一端が前記グランド端子に接続され、他端が前記
容量装荷電極に接続されてなる放射電極と、 前記基体の前記放射電極が形成された端面と該端面に対
向する端面との間に形成された貫通孔の内周に設けられ
た給電用電極と、を有し、 前記給電用電極の一端は前記放射電極に接続され、給電
用電極の他端は前記給電端子に接続されてなることを特
徴とする表面実装型アンテナ。 5. Two parallel and mutually separated in the thickness direction
Main surface and four end surfaces connecting the main surfaces.
A base made of a dielectric or magnetic material, and a ground terminal formed on one end face of the base.
And a power supply terminal, and a ground terminal or a power supply terminal of the base are formed.
A capacitive loading electrode formed on an end face other than the end face, and one of the end faces of the base, the ground terminal and the capacitive loading;
Formed on end faces adjacent to each of the end faces on which electrodes are formed
One end is connected to the ground terminal, and the other end is
A radiation electrode connected to the capacitive loading electrode, an end face of the base on which the radiation electrode is formed, and a pair of the end face;
Provided on the inner periphery of the through hole formed between
Power supply electrode, one end of the power supply electrode is connected to the radiation electrode,
The other end of the electrode is connected to the power supply terminal.
Surface mount type antenna.
装型アンテナを搭載してなることを特徴とする通信機。 6. The surface material according to claim 1, wherein :
A communication device comprising a mounted antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25620896A JP3159084B2 (en) | 1995-09-28 | 1996-09-27 | Surface mount antenna and communication device using the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25103995 | 1995-09-28 | ||
| JP7-251039 | 1995-09-28 | ||
| JP25620896A JP3159084B2 (en) | 1995-09-28 | 1996-09-27 | Surface mount antenna and communication device using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09153734A JPH09153734A (en) | 1997-06-10 |
| JP3159084B2 true JP3159084B2 (en) | 2001-04-23 |
Family
ID=26540027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25620896A Expired - Lifetime JP3159084B2 (en) | 1995-09-28 | 1996-09-27 | Surface mount antenna and communication device using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3159084B2 (en) |
Cited By (3)
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|---|---|---|---|---|
| WO2013067658A1 (en) * | 2011-11-11 | 2013-05-16 | Chen I-Ming | Light emitting diode bulb |
| US8975806B2 (en) | 2010-08-31 | 2015-03-10 | Toshiba Lighting & Technology Corporation | Bulb-type lamp |
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|---|---|---|---|---|
| JP3661432B2 (en) * | 1998-08-24 | 2005-06-15 | 株式会社村田製作所 | Surface mount antenna, antenna device using the same, and communication device using the same |
| WO2001024316A1 (en) * | 1999-09-30 | 2001-04-05 | Murata Manufacturing Co., Ltd. | Surface-mount antenna and communication device with surface-mount antenna |
| ATE311020T1 (en) * | 2000-04-14 | 2005-12-15 | Hitachi Metals Ltd | ANTENNA ARRANGEMENT AND COMMUNICATION DEVICE HAVING SUCH AN ANTENNA ARRANGEMENT |
| KR100860281B1 (en) | 2000-08-04 | 2008-09-25 | 미츠비시 마테리알 가부시키가이샤 | Antenna |
| JP2002076756A (en) * | 2000-08-30 | 2002-03-15 | Philips Japan Ltd | Antenna apparatus |
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| JP4628611B2 (en) | 2000-10-27 | 2011-02-09 | 三菱マテリアル株式会社 | antenna |
| JP2002204118A (en) | 2000-10-31 | 2002-07-19 | Mitsubishi Materials Corp | Antenna |
| JP3774136B2 (en) | 2000-10-31 | 2006-05-10 | 三菱マテリアル株式会社 | Antenna and radio wave transmission / reception device using the same |
| DE10113349A1 (en) * | 2001-03-20 | 2002-09-26 | Philips Corp Intellectual Pty | Antenna with substrate and conducting track has at least one aperture formed by hollow chamber enclosed by substrate or by recess formed in one or more surfaces of substrate |
| KR100424050B1 (en) * | 2001-09-05 | 2004-03-22 | (주) 코산아이엔티 | Micro chip antenna |
| KR100424051B1 (en) * | 2001-09-05 | 2004-03-22 | (주) 코산아이엔티 | Micro chip antenna |
| WO2003044891A1 (en) | 2001-11-20 | 2003-05-30 | Ube Industries, Ltd. | Dielectric antenna module |
| DE10347719B4 (en) * | 2003-06-25 | 2009-12-10 | Samsung Electro-Mechanics Co., Ltd., Suwon | Inner antenna for a mobile communication device |
| JP4848992B2 (en) * | 2007-03-29 | 2011-12-28 | Ｔｄｋ株式会社 | ANTENNA DEVICE AND RADIO COMMUNICATION DEVICE USING THE SAME |
| JP4924327B2 (en) * | 2007-09-26 | 2012-04-25 | Ｔｄｋ株式会社 | Antenna device and characteristic adjustment method thereof |
| JP4712074B2 (en) * | 2008-07-11 | 2011-06-29 | 日本碍子株式会社 | Antenna device |
| JP4973700B2 (en) | 2009-07-14 | 2012-07-11 | 株式会社村田製作所 | Antenna and antenna device |
| JP5418688B2 (en) | 2010-12-21 | 2014-02-19 | 株式会社村田製作所 | Antenna device, antenna module, and portable terminal |
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Cited By (3)
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|---|---|---|---|---|
| US8975806B2 (en) | 2010-08-31 | 2015-03-10 | Toshiba Lighting & Technology Corporation | Bulb-type lamp |
| US9039242B2 (en) | 2010-11-08 | 2015-05-26 | Lg Innotek Co., Ltd. | Lighting device |
| WO2013067658A1 (en) * | 2011-11-11 | 2013-05-16 | Chen I-Ming | Light emitting diode bulb |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09153734A (en) | 1997-06-10 |
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