JPH0364105A - Antenna device for electronic card - Google Patents
Antenna device for electronic cardInfo
- Publication number
- JPH0364105A JPH0364105A JP20010289A JP20010289A JPH0364105A JP H0364105 A JPH0364105 A JP H0364105A JP 20010289 A JP20010289 A JP 20010289A JP 20010289 A JP20010289 A JP 20010289A JP H0364105 A JPH0364105 A JP H0364105A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- ferrite bar
- printed circuit
- circuit board
- notches
- 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
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ＩＣ（集積回路）カードに無線送受信機能を
付加して、無線によって固定局との送受信を行うことが
できる電子カード（トランスポンディングカード）に利
用して好適なアンテナ装置に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides an electronic card (transponding card) that can perform wireless transmission and reception with a fixed station by adding a wireless transmission and reception function to an IC (integrated circuit) card. The present invention relates to an antenna device suitable for use in a card.
据え置き型の専用リーダ・ライタを使用せずに、自由な
場所からの入出力及び送受信が可能な電子カードは、携
帯に便利なようにＩＣを用いて全体を軽薄短小に造る必
要があるため、送受信用のアンテナもプリント基板にア
ンテナ線をパターン化して形成したものが使用されてい
たが、この様な平型のアンテナは方向性が出てしまうと
か、感度が弱いと云った問題があって、充分な送受信機
能を発揮できない問題があった。Electronic cards that can input/output and send/receive from any location without the use of a dedicated stationary reader/writer need to be made lightweight, thin, and small using ICs to make them convenient to carry. Transmitting and receiving antennas were also made by patterning antenna wires on printed circuit boards, but such flat antennas had problems such as directional characteristics and weak sensitivity. However, there was a problem that sufficient transmitting and receiving functions could not be achieved.
そこで、感度が良好で方向性が出ないコイル式のアンテ
ナを使用することが考えられた。Therefore, it was considered to use a coil-type antenna that has good sensitivity and no directionality.
即ち、電子カードに使用されている従来のコイル式アン
テナは、第５図に示す如く、制御用の各種電子部品Ｔａ
、Ｔｂ、Ｔｃ・・・を実装したプリント基板Ｐに、フェ
ライトバーＦ□、Ｆ２の周囲に予めコイルＣ１，Ｃ２を
巻いておいた送信用と受信用の各アンテナＡ、、Ａ２を
別工程で接続すると共に、例えば、ハウジング部に一体
モールド化することによって固定化する仕組に成ってい
た。That is, the conventional coil antenna used in electronic cards has various electronic components for control, as shown in FIG.
, Tb, Tc... are mounted on the printed circuit board P, and the transmitting and receiving antennas A, A2, in which coils C1 and C2 are wound in advance around the ferrite bars F□ and F2, are installed in separate steps. It was designed to be connected and fixed, for example, by being integrally molded into the housing part.
しかし、以上の如く構成したコイル式の送受信用アンテ
ナは、優れた送受信機能を発揮できる反面、アンテナ全
体に厚味があるため、電子カードを軽薄短小化できない
問題があると共に、極めて小さく造ったフェライトバー
Ｆ１． Ｆ、にコイルＣ１、Ｃ２を巻く作業が非常に面
倒で、製造コストに影響を与えるとか、コイルＣｉ、Ｃ
，の巻き付は方が原因で感度低下等の故障が生じ易いと
云った問題があった。However, although the coil-type transmitting/receiving antenna configured as described above can demonstrate excellent transmitting and receiving functions, the antenna as a whole is thick, so there is a problem that electronic cards cannot be made lighter, thinner, shorter, or smaller. Bar F1. The work of winding coils C1 and C2 around F is very troublesome and affects the manufacturing cost.
, there was a problem in that problems such as decreased sensitivity were more likely to occur due to the winding of the wires.
従って本発明の技術的課題は、感度が良好で方向性の無
いコイル式アンテナの全体を薄く小型に造ることノ、で
き、而も、製造が極めて簡単で低コストで提供可能な電
子カード用のアンテナ装置を提供することである。Therefore, the technical problem of the present invention is to create a thin and compact overall coil antenna with good sensitivity and no directionality, which is also extremely easy to manufacture and can be provided at low cost for electronic cards. An object of the present invention is to provide an antenna device.
上記の技術的課題を解決するために、本発明で講じた手
段は以下の如くである。In order to solve the above technical problem, the measures taken in the present invention are as follows.
（１）フレキシブルな材料で造った片面パターンのプリ
ント基板にアンテナ部を連設し、このアンテナ部の面に
は、等間隔に並設した複数本の切込みと、各切込みの間
を左右方向しこ交互に反転しながら蛇行するアンテナコ
イル用パターンを形成して、これ等並設した各切込みに
対して薄形のフェライトバーを横方向から表裏交互に串
刺しに挿通してアンテナを構成すること。(1) An antenna part is installed in series on a printed circuit board with a single-sided pattern made of a flexible material, and the surface of the antenna part has multiple notches arranged in parallel at equal intervals, and a horizontal direction between each notch. The antenna is constructed by forming a meandering pattern for the antenna coil while being alternately reversed, and inserting a thin ferrite bar into each of the parallel notches from the lateral direction alternately from the front to the back.
（２）上記のプリント基板に送信用アンテナ部と受信用
アンテナ部を連設して、これ等両アンテナ部の面に上述
した複数本の切込みと、アンテナコイル用パターンを夫
々形成し、更に、各アンテナ部の切込みに対して上記の
フェライトバーを串刺しに挿通して送・信用と受信用の
各７ンテナを構成すること。(2) A transmitting antenna section and a receiving antenna section are arranged in series on the above printed circuit board, and the above-mentioned plurality of notches and antenna coil patterns are respectively formed on the surfaces of both antenna sections, and further, Seven antennas for transmitting, one for receiving, and one for receiving are constructed by inserting the above-mentioned ferrite bars into the notches of each antenna section.
上記の手段は以下の如く作用する。 The above means works as follows.
■上記（１）の要素は、薄形のフェライトバーを各切込
みの表裏から交互に串刺しに挿通すると、アンテナコイ
ル用パターンが挿通したフェライトバーの周囲に巻かれ
た状態になるから、コイル状アンテナと同様に感度が良
好で方向性の無い優れたアンテナを提供できると共に、
アンテナ全体を薄く造ることができるから、カードの軽
薄短小化を可能と威し、また、フェライトバーにコイル
を巻き付ける面倒な作業が不要になるため、製造コスト
を軽減して安いをアンテナ装置を提供可能とする。■The reason for (1) above is that when a thin ferrite bar is inserted into the skewer alternately from the front and back of each notch, the antenna coil pattern is wound around the inserted ferrite bar, so the coiled antenna In addition to providing an excellent antenna with good sensitivity and no directionality,
Since the entire antenna can be made thin, it is possible to make the card lighter, thinner, shorter, and smaller.Also, since the troublesome work of winding a coil around a ferrite bar is no longer necessary, manufacturing costs can be reduced and an inexpensive antenna device can be provided. possible.
■上記（２）の要素は、感度が良好で方向性が無く。■The element (2) above has good sensitivity and no directionality.
而も、小型に製造可能な送信用アンテナと受信用アンテ
ナを、−枚のプリント基板に連設できるため、小型で高
性能な電子カードを提供可能とする。Moreover, since the transmitting antenna and the receiving antenna, which can be manufactured in a small size, can be connected to the same printed circuit board, it is possible to provide a small and high-performance electronic card.
以上の如くであるから、上記の手段によって上述した技
術的課題を解決して、前記従来の技術の問題点を解消す
ることができる。As described above, the above-mentioned technical problem can be solved by the above-mentioned means, and the problems of the conventional technology can be solved.
以下に、上述した本発明に係る電子カード用アンテナ装
置の好適な実施例を添付した図面と共に詳細に説明する
。Hereinafter, preferred embodiments of the electronic card antenna device according to the present invention described above will be described in detail with reference to the accompanying drawings.
第１図は本発明に係るアンテナ装置を含む片面パターン
のプリント配線を施したプリント基板１の平面図であっ
て、比較的軟質なプラスチック材を用いて屈曲自在（フ
レキシブル）に構成したこのプリント基板１には、電子
カードの制御回路を構成する複数の電子部品２，３．４
・・・が実装されている。FIG. 1 is a plan view of a printed circuit board 1 which includes an antenna device according to the present invention and has a printed wiring pattern on one side. This printed circuit board is made of a relatively soft plastic material and is flexible. 1 includes a plurality of electronic components 2, 3.4 that constitute the control circuit of the electronic card.
... has been implemented.
５と６は上記プリント基板１に連設した送信アンテナ部
と受信アンテナ部の各基板であって、これ等両アンテナ
部５．６はプリント基板１と同様に屈曲自在なプラスチ
ック材で造られているが、プリント基板１の部分を従来
と同じ比較的硬質のプラスチック材で形成し、両アンテ
ナ部５，６の部分のみを屈曲自在なプラスチック材を用
いてフレキシブル基板と成してもよい。Reference numerals 5 and 6 denote boards for a transmitting antenna section and a receiving antenna section, which are connected to the printed circuit board 1, and both antenna sections 5 and 6 are made of flexible plastic material like the printed circuit board 1. However, the printed circuit board 1 may be made of the same relatively hard plastic material as in the prior art, and only the antenna parts 5 and 6 may be made of a bendable plastic material to form a flexible board.
７・・・と８・・・は上記両アンテナ部５，６の面に等
間隔に並設した複数本の切込みで、両切込み７と８の本
数は任意とする。次に、９と１０は同じく両アンテナ部
５，６の面に、各切込み７・・１８・・・の間を左右方
向に交互に反転９ａ・・・、１０ａ・・・しながら蛇行
する様に形成したアンテナコイル用パターンで、両パタ
ーン９，１０の根端部９ｂ、１０ｂはプリント基板１側
のパターンに夫々接続されている。7... and 8... are a plurality of cuts arranged in parallel at equal intervals on the surfaces of both the antenna parts 5 and 6, and the number of both cuts 7 and 8 is arbitrary. Next, 9 and 10 meander in the same way on the surfaces of both antenna parts 5 and 6, alternately reversing in the left and right direction between each notch 7...18... The base ends 9b and 10b of both patterns 9 and 10 are respectively connected to the pattern on the printed circuit board 1 side.
次に、第２図は薄形に造ったフェライトバー１１を、上
記各切込み７・・・、８・・・に対して夫々横方向から
表裏交互に串刺しに挿通して、送信用と受信用の各アン
テナ５Ａ、６Ａ （第３図、第４図参照）を造っている
状態を示した斜視図であって、従って、以上の如く串刺
しに挿通した各フェライトバー１１は、並設した切込み
７・・・と８・・・の間で、夫々交互にアンテナ部５，
６の表面側に現われた。Next, in FIG. 2, a thin ferrite bar 11 is inserted into each of the above-mentioned notches 7..., 8... from the lateral direction alternately from the front to the back, and is used for transmission and reception. Fig. 4 is a perspective view showing a state in which each of the antennas 5A and 6A (see Figs. 3 and 4) is being manufactured; ... and 8..., respectively, alternately antenna parts 5,
It appeared on the front side of 6.
す、裏面側に隠れたりして、上記アンテナコイル用パタ
ーン９，１０が、丁度その周囲に巻き付けられる様な形
態を呈する仕組に戊っている。The antenna coil patterns 9 and 10 are hidden behind the back side, and are arranged so that they can be wrapped around the antenna coil patterns 9 and 10.
尚、第３図に於いて符号りはアンテナ部５と６の基板と
各フェライトバー１王の先端部を固定するための粘着剤
幅を示す。In FIG. 3, the reference numerals indicate the width of the adhesive for fixing the substrates of the antenna parts 5 and 6 and the tip of each ferrite bar 1.
本発明にかかわる電子カード用アンテナ装置は以上述べ
た如き構成であるから、各アンテナ部５と６に並設形成
した切込み７・・・、８・・・に、薄形に造ったフェラ
イトバー１１を夫々表裏より交互に串刺しに挿通すれば
、各アンテナ部５．６の面に形成したアンテナコイル用
パターン９，１０が、挿通した各フェライトバー１１の
周囲に巻装した状態に成るため、いちいちコイルをフェ
ライトバーの周囲に巻き付けなくても、これと同等の送
信用と受信用のアンテナ５Ａ、６Ａをプリント基板１に
連設して造ることができる。Since the electronic card antenna device according to the present invention has the above-described configuration, thin ferrite bars 11 are formed in the notches 7 . . . , 8 . When the antenna coil patterns 9 and 10 formed on the surface of each antenna part 5.6 are wound around each inserted ferrite bar 11, the antenna coil patterns 9 and 10 formed on the surface of each antenna part 5.6 are wound around each inserted ferrite bar 11. Even without winding a coil around the ferrite bar, equivalent transmitting and receiving antennas 5A and 6A can be made by connecting them to the printed circuit board 1.
以上述べた次第で、本発明に係る電子カード用アンテナ
装置によれば、フェライトバーを切込みに挿通するだけ
でアンテナを構成できるから、小さなフェライトバーに
コイルをいちいち巻き付けて構成した従来のコイル式ア
ンテナに比較して、製造と組立てが頗る簡略化されて製
造コストを低下できると共に、以上の様にして組立てた
アンテナはプリント基板の厚味と略同じであるから、こ
れを組込む電子カードの全体を軽薄短小に造ることを可
能と成し、且つ、アンテナとしても方向性が無くて感度
も良好な優れた機能を発揮できるものであって、個人認
識用の各種電子カードに実施して拘に好適なものである
。As described above, according to the electronic card antenna device according to the present invention, the antenna can be constructed by simply inserting the ferrite bar into the notch, which is different from the conventional coil type antenna constructed by winding a coil around a small ferrite bar. Compared to the above, manufacturing and assembly are greatly simplified and manufacturing costs can be reduced, and since the antenna assembled in the above manner is approximately the same thickness as the printed circuit board, the entire electronic card in which it is installed can be It can be made light, thin, short and small, and also has excellent functions as an antenna with no directionality and good sensitivity, making it suitable for use in various electronic cards for personal recognition. It is something.
第１図は本発明に係る電子カード用アンテナ装置を含ん
だプリント基板の平面図で、第２図はフェライトバーを
切込みに対して串刺しに挿通している状態を示した斜視
図、第３図は本発明によって構成されたアンテナの平面
図で、第４図は第３図Ａ−Ａ線の断面図、第５図は従来
装置の斜視図である。
１はプリント基板、５と６はアンテナ部、７と８は切込
み、９と１０はアンテナコイル用パターン、１１は薄形
フェライトバー
第１図
０
第２図
くむ
Ｕ）FIG. 1 is a plan view of a printed circuit board including an electronic card antenna device according to the present invention, FIG. 2 is a perspective view showing a state in which a ferrite bar is skewered through a notch, and FIG. 4 is a plan view of an antenna constructed according to the present invention, FIG. 4 is a sectional view taken along line A--A in FIG. 3, and FIG. 5 is a perspective view of a conventional device. 1 is a printed circuit board, 5 and 6 are antenna parts, 7 and 8 are notches, 9 and 10 are antenna coil patterns, 11 is a thin ferrite bar (Figure 1 0 Figure 2)
Claims (2)
ント基板にアンテナ部を連設し、このアンテナ部の面に
は、等間隔に並設した複数本の切込みと、各切込みの間
を左右方向に交互に反転しながら蛇行するアンテナコイ
ル用パターンを形成して、これ等並設した各切込みに対
して薄形のフェライトバーを横方向から表裏交互に串刺
しに挿通してアンテナを構成したことを特徴とする電子
カード用アンテナ装置。(1) An antenna part is installed in series on a printed circuit board with a single-sided pattern made of a flexible material, and the surface of this antenna part has multiple notches arranged in parallel at equal intervals, and the space between each notch extends in the left and right direction. The antenna is constructed by forming a meandering antenna coil pattern while alternately inverting, and inserting thin ferrite bars from the lateral direction alternately from the front and back into each of these parallel notches. An antenna device for electronic cards.
アンテナ部を連設して、これ等両アンテナ部の面に上述
した複数本の切込みと、アンテナコイル用パターンを夫
々形成し、更に、各アンテナ部の切込みに対して上記の
フェライトバーを串刺しに挿通して送信用と受信用の各
アンテナを構成したことを特徴とする請求項（１）記載
の電子カード用アンテナ装置。(2) A transmitting antenna section and a receiving antenna section are arranged in series on the above printed circuit board, and the above-mentioned plurality of notches and antenna coil patterns are respectively formed on the surfaces of both antenna sections, and further, 2. An antenna device for an electronic card according to claim 1, wherein said ferrite bar is skewered and inserted into a notch in each antenna portion to constitute each antenna for transmission and reception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20010289A JPH0364105A (en) | 1989-07-31 | 1989-07-31 | Antenna device for electronic card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20010289A JPH0364105A (en) | 1989-07-31 | 1989-07-31 | Antenna device for electronic card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0364105A true JPH0364105A (en) | 1991-03-19 |
Family
ID=16418876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20010289A Pending JPH0364105A (en) | 1989-07-31 | 1989-07-31 | Antenna device for electronic card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0364105A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003030300A1 (en) * | 2001-09-28 | 2003-04-10 | Mitsubishi Materials Corporation | Antenna coil and rfid-use tag using it, transponder-use antenna |
| US6930646B2 (en) | 1995-08-22 | 2005-08-16 | Mitsubishi Materials Corporation | Transponder and antenna |
| JP2007119922A (en) * | 2006-11-13 | 2007-05-17 | Hitachi Metals Ltd | Magnetic core material for antenna |
| JP2008028642A (en) * | 2006-07-20 | 2008-02-07 | Murata Mfg Co Ltd | Magnetic body antenna and antenna device |
| WO2008053631A1 (en) * | 2006-11-02 | 2008-05-08 | Murata Manufacturing Co., Ltd. | Antenna coil and antenna unit |
| WO2010131524A1 (en) * | 2009-05-14 | 2010-11-18 | 株式会社村田製作所 | Circuit board and circuit module |
| JP2011004316A (en) * | 2009-06-22 | 2011-01-06 | Murata Mfg Co Ltd | Antenna device |
| JP2011071814A (en) * | 2009-09-28 | 2011-04-07 | Murata Mfg Co Ltd | Antenna coil, antenna device and mobile terminal |
| JP2012095350A (en) * | 2012-01-12 | 2012-05-17 | Murata Mfg Co Ltd | Antenna coil and antenna device |
| JP2016149807A (en) * | 2016-05-09 | 2016-08-18 | Ｎｅｃトーキン株式会社 | Antenna device |
-
1989
- 1989-07-31 JP JP20010289A patent/JPH0364105A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6930646B2 (en) | 1995-08-22 | 2005-08-16 | Mitsubishi Materials Corporation | Transponder and antenna |
| WO2003030300A1 (en) * | 2001-09-28 | 2003-04-10 | Mitsubishi Materials Corporation | Antenna coil and rfid-use tag using it, transponder-use antenna |
| US7088304B2 (en) | 2001-09-28 | 2006-08-08 | Mitsubishi Materials Corporation | Antenna coil, and RFID-use tag using it, transponder-use antenna |
| JP2008028642A (en) * | 2006-07-20 | 2008-02-07 | Murata Mfg Co Ltd | Magnetic body antenna and antenna device |
| WO2008053631A1 (en) * | 2006-11-02 | 2008-05-08 | Murata Manufacturing Co., Ltd. | Antenna coil and antenna unit |
| US7782267B2 (en) | 2006-11-02 | 2010-08-24 | Murata Manufacturing Co., Ltd. | Antenna coil antenna device |
| JP2007119922A (en) * | 2006-11-13 | 2007-05-17 | Hitachi Metals Ltd | Magnetic core material for antenna |
| US8917218B2 (en) | 2009-05-14 | 2014-12-23 | Murata Manufacturing Co., Ltd | Circuit board and circuit module |
| JP5488593B2 (en) * | 2009-05-14 | 2014-05-14 | 株式会社村田製作所 | Circuit board and circuit module |
| WO2010131524A1 (en) * | 2009-05-14 | 2010-11-18 | 株式会社村田製作所 | Circuit board and circuit module |
| US20150318614A1 (en) * | 2009-05-14 | 2015-11-05 | Murata Manufacturing Co., Ltd. | Circuit board and circuit module |
| US9252489B2 (en) * | 2009-05-14 | 2016-02-02 | Murata Manufacturing Co. Ltd. | Circuit board and circuit module |
| JP2011004316A (en) * | 2009-06-22 | 2011-01-06 | Murata Mfg Co Ltd | Antenna device |
| JP2011071814A (en) * | 2009-09-28 | 2011-04-07 | Murata Mfg Co Ltd | Antenna coil, antenna device and mobile terminal |
| JP2012095350A (en) * | 2012-01-12 | 2012-05-17 | Murata Mfg Co Ltd | Antenna coil and antenna device |
| JP2016149807A (en) * | 2016-05-09 | 2016-08-18 | Ｎｅｃトーキン株式会社 | Antenna device |
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