JPH1065432A - Antenna and manufacturing method thereof - Google Patents
Antenna and manufacturing method thereofInfo
- Publication number
- JPH1065432A JPH1065432A JP24131996A JP24131996A JPH1065432A JP H1065432 A JPH1065432 A JP H1065432A JP 24131996 A JP24131996 A JP 24131996A JP 24131996 A JP24131996 A JP 24131996A JP H1065432 A JPH1065432 A JP H1065432A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- insulator
- present
- coil
- conductor
- 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.)
- Granted
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- Details Of Aerials (AREA)
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Abstract
(57)【要約】
【課題】 安価で、コイルの精度のよい、特性が安定
し、簡単につくりやすいアンテナ及びその製造方法を提
供すること。
【解決手段】 棒状の絶縁体１に螺旋状導体２ａを施し
たアンテナコイルからなる収縮時のエレメントＢ１０
と、前記エレメントＢ１０のアンテナコイル１１を連結
する固定台８と、前記固定台８にエレメントＢ１０と対
向する位置に設置したスリーブ５と、伸長時のスリーブ
５の他端に設けられたエレメントＡ９から構成されるア
ンテナ。
(57) [Problem] To provide an antenna which is inexpensive, has good coil accuracy, has stable characteristics, is easy to manufacture, and a method of manufacturing the same. SOLUTION: An element B10 at the time of contraction composed of an antenna coil in which a spiral conductor 2a is applied to a rod-shaped insulator 1
And a fixed base 8 for connecting the antenna coil 11 of the element B10, a sleeve 5 installed on the fixed base 8 at a position facing the element B10, and an element A9 provided at the other end of the sleeve 5 when extended. Antenna composed.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、携帯電話機等のい
わゆる移動体通信装置に使用する可撓性を持たせたアン
テナとその製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible antenna used for a so-called mobile communication device such as a portable telephone and a method of manufacturing the antenna.
【０００２】[0002]
【従来の技術】最近の移動体通信装置の発展と普及に
は、めざましいものがあり、その中でも、特に携帯電話
機等の普及は急激なものである。その急激な普及には、
携帯電話機の性能、即ち、感度の向上と、小型化と、軽
量化とが進んだことが大きく寄与している。2. Description of the Related Art Recently, the development and spread of mobile communication devices have been remarkable, and among them, the spread of mobile phones and the like has been particularly rapid. For its rapid spread,
Improvements in mobile phone performance, that is, improvements in sensitivity, miniaturization, and weight reduction have greatly contributed.
【０００３】現在、一般に使用されている携帯電話機の
電波の使用周波数は、０.７ＧＨｚから１.６ＧＨｚであ
る。そのアンテナは、構造が単純な、長さ１０ｃｍ程
度、太さφ１.０ｍｍ程度の棒材を、アンテナエレメン
トとして一般に使用している。今日、そのアンテナ構造
は棒状（ホイップ）型やヘリカル型が主流である。At present, the frequency of radio waves used by portable telephones generally ranges from 0.7 GHz to 1.6 GHz. As the antenna, a rod having a simple structure and a length of about 10 cm and a thickness of about 1.0 mm is generally used as an antenna element. Today, rod-shaped (whip) and helical antenna structures are mainly used.
【０００４】ヘリカル型アンテナは、図６に示すよう
に、エレメントＡ９を有するスリーブ５にエレメントＢ
１０ａのヘリカルコイル６を固定する固定台８を設置
し、この固定台８に、エレメントＡ９を有するスリーブ
５を設け、ピアノ線やステンレス線を螺旋に巻いたヘリ
カルコイル６を半田７で固定したものである。[0006] As shown in FIG. 6, a helical antenna has an element B attached to a sleeve 5 having an element A9.
A fixing base 8 for fixing a helical coil 6 of 10a is installed, a sleeve 5 having an element A9 is provided on the fixing base 8, and a helical coil 6 in which a piano wire or a stainless steel wire is spirally wound is fixed with solder 7. It is.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、従来の
このアンテナは、コストが高く、コイルの精度が悪いた
めに、特性がばらつき、品質が悪く、製造しにくい欠点
があった。However, this conventional antenna has disadvantages in that the cost is high and the accuracy of the coil is poor, so that the characteristics are varied, the quality is poor, and it is difficult to manufacture.
【０００６】従って、本発明の課題は、安価で、コイル
の精度のよい、特性が安定し、簡単に作りやすいアンテ
ナ及びその製造方法を提供することにある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an antenna which is inexpensive, has high coil accuracy, has stable characteristics and is easy to manufacture, and a method of manufacturing the same.
【０００７】[0007]
【課題を解決するための手段】本発明によれば、絶縁
体の表面に金属性皮膜からなる螺旋状導体を形成してな
るアンテナコイルを用いることを特徴とするアンテナが
得られる。According to the present invention, there is provided an antenna characterized by using an antenna coil having a helical conductor formed of a metallic film on the surface of an insulator.
【０００８】本発明によれば、上記のアンテナにお
いて絶縁体の片面に金属性皮膜の導体とスリーブ取付部
材を設けたコンタクト部を有するアンテナコイルを用い
ることを特徴とするアンテナが得られる。According to the present invention, there is provided an antenna as described above, wherein an antenna coil having a contact portion provided with a conductor of a metallic film and a sleeve mounting member on one surface of an insulator is used.
【０００９】本発明によれば、上記のアンテナに
おいて、絶縁体が棒体、有底筒体、平板のいずれかであ
るアンテナコイルを用いることを特徴とするアンテナが
得られる。According to the present invention, there is provided the above antenna, wherein the antenna uses an antenna coil whose insulator is any one of a rod, a bottomed cylinder, and a flat plate.
【００１０】本発明によれば、上記〜のいずれか
に記載のアンテナの製造方法であって、絶縁体は全面に
金属性皮膜の導体を施して前記導体を螺旋状に残し、螺
旋状導体を形成することを特徴とするアンテナが得られ
る。According to the present invention, there is provided the method for manufacturing an antenna according to any one of the above-mentioned items, wherein the insulator is provided with a conductor of a metallic film over the entire surface, and the conductor is left in a spiral shape. An antenna characterized in that it is formed.
【００１１】本発明によれば、上記のアンテナの製
造方法において、絶縁体の全面に施された導体は金属性
コーテング、金属性皮膜を形成する手段を用いることを
特徴とするアンテナが得られる。According to the present invention, in the above-described method for manufacturing an antenna, an antenna is obtained in which the conductor provided on the entire surface of the insulator uses a metallic coating or a means for forming a metallic coating.
【００１２】[0012]
【発明の実施の形態】本発明の実施の形態を説明する。Embodiments of the present invention will be described.
【００１３】図１は、本発明のアンテナの完成品を示す
斜視図である。図２は、本発明のアンテナに用いるアン
テナコイルの絶縁体を示す斜視図である。図３は、本発
明のアンテナに用いる金属性皮膜を形成した絶縁体を示
す斜視図である。図４は、本発明のアンテナに用いるア
ンテナコイルを有するエレメントＢを示す斜視図であ
る。図５は、本発明のアンテナに用いるアンテナコイル
のコンタクト部とスリーブ取り付けねじ部を示す拡大正
面図である。FIG. 1 is a perspective view showing a completed antenna of the present invention. FIG. 2 is a perspective view showing an insulator of an antenna coil used for the antenna of the present invention. FIG. 3 is a perspective view showing an insulator formed with a metallic film used for the antenna of the present invention. FIG. 4 is a perspective view showing an element B having an antenna coil used for the antenna of the present invention. FIG. 5 is an enlarged front view showing a contact portion and a sleeve mounting screw portion of an antenna coil used for the antenna of the present invention.
【００１４】本発明のアンテナは、図１に示すように、
棒状の絶縁体１に螺旋状導体２ａを施したアンテナコイ
ル１１からなる収縮時のエレメントＢ１０と、前記エレ
メントＢ１０とアンテナコイル１１を固定する固定台８
と、エレメントＢ１０と対向する位置に前記固定台８を
介して設置されたスリーブ５と、スリーブ５の他端に設
けられた伸長時のエレメントＡ９から構成される。[0014] The antenna of the present invention, as shown in FIG.
An element B10 at the time of contraction composed of an antenna coil 11 in which a spiral conductor 2a is applied to a rod-shaped insulator 1, and a fixing base 8 for fixing the element B10 and the antenna coil 11
And a sleeve 5 installed at a position facing the element B10 via the fixing base 8, and an extended element A9 provided at the other end of the sleeve 5.
【００１５】本発明のアンテナは、機器本体にホルダー
（図示せず）により取り付け固定される。伸長状態では
エレメントＡ９とエレメントＢ１０が完全に機器本体の
外部に突出するように存在し、収縮状態では、エレメン
トＢ１０のみが機器本体外部に存在する。[0015] The antenna of the present invention is attached and fixed to a device body by a holder (not shown). In the extended state, the element A9 and the element B10 exist so as to completely protrude outside the apparatus main body, and in the contracted state, only the element B10 exists outside the apparatus main body.
【００１６】エレメントＡ９は、伸長状態でアンテナと
して働き、エレメントＢ１０には給電されないようにな
っている。従って、伸長状態では、エレメントＢ１０は
アンテナとしては働かない。The element A9 functions as an antenna in the extended state, so that power is not supplied to the element B10. Therefore, in the extended state, the element B10 does not work as an antenna.
【００１７】エレメントＢ１０は、収縮状態でアンテナ
として働き、エレメントＡ９には給電されないようにな
っている。したがって収縮状態ではエレメントＡ９はア
ンテナとしては働かない。The element B10 functions as an antenna in a contracted state, and power is not supplied to the element A9. Therefore, in the contracted state, the element A9 does not work as an antenna.
【００１８】次に、本発明のアンテナの製造方法につい
て説明する。Next, a method for manufacturing the antenna of the present invention will be described.
【００１９】本発明のアンテナに用いられるアンテナコ
イルのエレメントＢ１０には、図２に示すように、外径
３φ×長さ１２ｍｍからなる円柱の有機系樹脂からなる
絶縁体１を用いた。As the element B10 of the antenna coil used for the antenna of the present invention, as shown in FIG. 2, an insulator 1 made of a cylindrical organic resin having an outer diameter of 3φ and a length of 12 mm was used.
【００２０】前記絶縁体１は筒体、角柱、円柱、平板等
の棒であってもよい。The insulator 1 may be a rod such as a cylinder, a prism, a cylinder, a flat plate, or the like.
【００２１】次に、絶縁体１には、図３に示すように、
金属性皮膜２を施した。金属性皮膜２は無電解メッキで
絶縁体１上に下地メッキを施し、導電率の高いＣｕメッ
キを施した。他、Ｎｉメッキ等でもよい。また金属性皮
膜の形成方法は金属性コーテング、金属性蒸着、スパッ
タリング等の金属性皮膜の形成手段を用いてもよい。Next, as shown in FIG.
Metallic coating 2 was applied. The metal film 2 was formed by plating an underlayer on the insulator 1 by electroless plating, and by plating Cu with high conductivity. Alternatively, Ni plating or the like may be used. Further, as a method for forming the metallic film, a metallic film forming means such as metallic coating, metallic vapor deposition, sputtering and the like may be used.
【００２２】次に、図４に示すように、本発明のアンテ
ナに用いるアンテナコイル１１は、図３に示した金属性
皮膜２を施した絶縁体１をトリミング加工によって、絶
縁体１の表面から金属性皮膜を螺旋状に残して、他は完
全除去して、螺旋状導体２ａを形成する。絶縁体１の片
端のコンタクト部３には金属性皮膜は残すものとする。
これにスリーブ取付ねじ部４を軸方向に絶縁体１に取り
付ける。Next, as shown in FIG. 4, the antenna coil 11 used in the antenna of the present invention is obtained by trimming the insulator 1 provided with the metallic coating 2 shown in FIG. The metal film is left in a spiral shape, and the others are completely removed to form a spiral conductor 2a. The metallic film is left on the contact portion 3 at one end of the insulator 1.
The sleeve mounting screw 4 is attached to the insulator 1 in the axial direction.
【００２３】図５に示すように、絶縁体１に施された螺
旋状導体２ａとコンタクト部３の導体との連結は寸法ｘ
として２〜３ｍ残して加工した方が破損しない。As shown in FIG. 5, the connection between the spiral conductor 2a provided on the insulator 1 and the conductor of the contact portion 3 is a dimension x.
If it is processed with leaving 2 to 3 m, it will not be damaged.
【００２４】図１に示すように、固定台８に絶縁体１に
螺旋状導体を形成したアンテナコイルを有するエレメン
トＢ１０をコンタクト部を介してスリーブ取付ねじ部に
よって取り付け、さらにアンテナコイルを持つエレメン
トＢ１０と同一軸に対向する位置に金属棒状のエレメン
トＡ９を取り付けたスリーブ５を設置して、本発明のア
ンテナは完成する。As shown in FIG. 1, an element B10 having an antenna coil having a helical conductor formed on an insulator 1 is attached to a fixed base 8 via a contact portion by a sleeve mounting screw portion, and further an element B10 having an antenna coil is provided. The sleeve 5 to which the metal rod-shaped element A9 is attached is installed at a position facing the same axis as the above, and the antenna of the present invention is completed.
【００２５】本発明のアンテナによれば、螺旋状の金属
性皮膜を施したエレメントＢは寸法精度がよいので特性
のばらつきが少ない。また製作が簡単で安価にできる。
スリーブ取付部材もねじ部を設けてねじこみであるの
で、半田付が不要となり、組立が容易である。According to the antenna of the present invention, the element B provided with the helical metal film has good dimensional accuracy and thus has little variation in characteristics. Also, it can be manufactured easily and inexpensively.
Since the sleeve mounting member is also provided with a screw portion and is screwed, soldering is not required, and assembly is easy.
【００２６】[0026]
【発明の効果】以上述べたように、本発明によれば、安
価で、コイルの精度のよい、特性が安定し、簡単につく
りやすいアンテナ及びその製造方法を提供することがで
きた。As described above, according to the present invention, it is possible to provide an antenna which is inexpensive, has good coil accuracy, has stable characteristics, is easy to manufacture, and a method of manufacturing the same.
【図１】本発明のアンテナの完成品を示す斜視図。FIG. 1 is a perspective view showing a completed product of an antenna of the present invention.
【図２】本発明のアンテナに用いるアンテナコイルの絶
縁体を示す斜視図。FIG. 2 is a perspective view showing an insulator of an antenna coil used for the antenna of the present invention.
【図３】本発明のアンテナに用いる金属性皮膜を施した
絶縁体を示す斜視図。FIG. 3 is a perspective view showing an insulator provided with a metallic film used for the antenna of the present invention.
【図４】本発明のアンテナに用いるアンテナコイルを有
するエレメントＢを示す斜視図。FIG. 4 is a perspective view showing an element B having an antenna coil used for the antenna of the present invention.
【図５】本発明のアンテナに用いるアンテナコイルのコ
ンタクト部とスリーブ取付ねじ部を示す拡大正面図。FIG. 5 is an enlarged front view showing a contact portion and a sleeve mounting screw portion of an antenna coil used in the antenna of the present invention.
【図６】従来のアンテナを示す正面図。FIG. 6 is a front view showing a conventional antenna.
１ 絶縁体 ２ 金属性皮膜 ２ａ 螺旋状導体 ３ コンタクト部 ４ スリーブ取付ねじ部 ５ スリーブ ６ ヘリカルコイル ７ 半田 ８ 固定台 ９ エレメントＡ １０、１０ａ エレメントＢ １１ アンテナコイル DESCRIPTION OF SYMBOLS 1 Insulator 2 Metallic film 2a Spiral conductor 3 Contact part 4 Sleeve mounting screw part 5 Sleeve 6 Helical coil 7 Solder 8 Fixed base 9 Element A 10, 10a Element B 11 Antenna coil
Claims (5)
状導体を形成したアンテナコイルを用いることを特徴と
するアンテナ。1. An antenna using an antenna coil in which a spiral conductor made of a metal film is formed on a surface of an insulator.
体の片面に金属性皮膜の導体とスリーブ取付部材を設け
たコンタクト部を有するアンテナコイルを用いることを
特徴とするアンテナ。2. The antenna according to claim 1, wherein an antenna coil having a contact portion provided with a conductor of a metal film and a sleeve mounting member on one surface of an insulator is used.
おいて、絶縁体が棒体、有底筒体、平板のいずれかであ
るアンテナコイルを用いることを特徴とするアンテナ。3. The antenna according to claim 1, wherein the insulator is an antenna coil that is one of a rod, a bottomed cylinder, and a flat plate.
ナの製造方法であって、絶縁体は全面に金属性皮膜の導
体を施して、前記導体を螺旋状に残し、螺旋状導体を形
成することを特徴とするアンテナの製造方法。4. The method for manufacturing an antenna according to claim 1, wherein a conductor of a metal film is applied to the entire surface of the insulator, and the conductor is left in a spiral shape, and the spiral conductor is A method for manufacturing an antenna, comprising: forming an antenna;
いて、絶縁体の全面に施された導体は金属性コーテン
グ、金属性皮膜を形成する手段を用いることを特徴とす
るアンテナの製造方法。5. The method of manufacturing an antenna according to claim 4, wherein the conductor provided on the entire surface of the insulator uses a metal coating and a means for forming a metal coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08241319A JP3094326B2 (en) | 1996-08-23 | 1996-08-23 | Antenna and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08241319A JP3094326B2 (en) | 1996-08-23 | 1996-08-23 | Antenna and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1065432A true JPH1065432A (en) | 1998-03-06 |
| JP3094326B2 JP3094326B2 (en) | 2000-10-03 |
Family
ID=17072532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08241319A Expired - Fee Related JP3094326B2 (en) | 1996-08-23 | 1996-08-23 | Antenna and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3094326B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6486853B2 (en) | 2000-05-18 | 2002-11-26 | Matsushita Electric Industrial Co., Ltd. | Chip antenna, radio communications terminal and radio communications system using the same and method for production of the same |
| US6788271B1 (en) | 1999-05-13 | 2004-09-07 | K-Cera, Inc. | Helical antenna manufacturing apparatus and method thereof |
| US7042418B2 (en) | 2002-11-27 | 2006-05-09 | Matsushita Electric Industrial Co., Ltd. | Chip antenna |
| US7170453B2 (en) | 2003-09-01 | 2007-01-30 | Matsushita Electric Industrial Co., Ltd. | Antenna module including a plurality of chip antennas |
| US7199759B2 (en) | 2003-12-10 | 2007-04-03 | Matsushita Electric Industrial Co., Ltd. | Antenna module |
| US7242363B2 (en) | 2003-04-10 | 2007-07-10 | Matsushita Electric Industrial Co., Ltd. | Antenna element and antenna module, and electronic equipment using same |
-
1996
- 1996-08-23 JP JP08241319A patent/JP3094326B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6788271B1 (en) | 1999-05-13 | 2004-09-07 | K-Cera, Inc. | Helical antenna manufacturing apparatus and method thereof |
| US6486853B2 (en) | 2000-05-18 | 2002-11-26 | Matsushita Electric Industrial Co., Ltd. | Chip antenna, radio communications terminal and radio communications system using the same and method for production of the same |
| US6862003B2 (en) | 2000-05-18 | 2005-03-01 | Matsushita Electric Industrial Co., Ltd. | Chip antenna, radio communications terminal and radio communications system using the same and method for production of the same |
| US7042418B2 (en) | 2002-11-27 | 2006-05-09 | Matsushita Electric Industrial Co., Ltd. | Chip antenna |
| US7242363B2 (en) | 2003-04-10 | 2007-07-10 | Matsushita Electric Industrial Co., Ltd. | Antenna element and antenna module, and electronic equipment using same |
| US7170453B2 (en) | 2003-09-01 | 2007-01-30 | Matsushita Electric Industrial Co., Ltd. | Antenna module including a plurality of chip antennas |
| US7199759B2 (en) | 2003-12-10 | 2007-04-03 | Matsushita Electric Industrial Co., Ltd. | Antenna module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3094326B2 (en) | 2000-10-03 |
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