JPS62271795A - Ic card - Google Patents
Ic cardInfo
- Publication number
- JPS62271795A JPS62271795A JP61114914A JP11491486A JPS62271795A JP S62271795 A JPS62271795 A JP S62271795A JP 61114914 A JP61114914 A JP 61114914A JP 11491486 A JP11491486 A JP 11491486A JP S62271795 A JPS62271795 A JP S62271795A
- Authority
- JP
- Japan
- Prior art keywords
- card
- integrated circuit
- light
- signal
- planar coil
- 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
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［ａ業上の利用分野］
本発明は、メモリあるいはマイクロプロセッサ等の集積
回路をカード状のケースに内蔵させた、いわゆるＩＣカ
ードに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a so-called IC card in which an integrated circuit such as a memory or a microprocessor is built into a card-like case.
［従来の技術］
従来、ＩＣカードの外部装置とのデータ通信は、金属端
子を有するコネクタを用いて物理的に両者の電気回路を
接続して行っていた。また、ＩＣカードへの電力の供給
も金属端子を用いてコネクタより行うか、あるいはＩＣ
カード自体に電池を収納させるかのいずれかであった。[Prior Art] Conventionally, data communication between an IC card and an external device has been performed by physically connecting the electric circuits of both devices using a connector having a metal terminal. In addition, power is supplied to the IC card through a connector using a metal terminal, or
Either the battery could be housed in the card itself.
［発明が解決しようとする問題点コ
しかしながら、このような従来のＩＣカートでは、金属
端子の物理的劣化のために接点の接点不良が生じ信顆性
が低下したり、これらの接点を通しての静電気による素
子破壊、誤動作等が生じるという問題があった。また、
電池を収納させる型式では、常に電池切れの慣れが残る
と共に交換用の蓋を設けねばならず防水性の点からも安
心して使用できないという不具合があった。[Problems to be Solved by the Invention] However, in such conventional IC carts, physical deterioration of the metal terminals may cause contact failures, resulting in decreased reliability, and static electricity through these contacts may occur. There have been problems such as element destruction and malfunction due to this. Also,
With models that house batteries, you have to get used to constantly running out of batteries, and you have to have replacement lids, which has the problem of not being able to be used with confidence from a waterproof standpoint.
［発明が解決しようとする問題点］
そこで、本発明の目的は、上述の問題点を解消し、信頼
性および耐久性に優れた非接触型のＩＣカードを提供す
ることにある。[Problems to be Solved by the Invention] Therefore, an object of the present invention is to solve the above-mentioned problems and to provide a contactless IC card with excellent reliability and durability.
上記目的を達成するために、本発明は、集積回路をカー
ド状ケースに内蔵させたＩＣカードにおいて、外部から
の信号光を受光し電気信号に変換する手段と、外部に集
積回路からの出力に基づく信号光を送る手段と、集積回
路、変換手段および送光手段に対して供給する電源電力
を電磁誘導により受電する平面コイルとを具えて非接触
型ＩＣカードを構成する６
［作 用コ
本発明では、上記の構成によって、外部装置からＩＣカ
ードに送られた信号光は、受光変換手段によって電気信
号に変換され、集積回路内で所定の処理が行われる。該
処理の結果は電気信号として送出され、この電気信号に
基づいて送光手段から外部装置に光信号が送られる。か
くして、ＩＣカードと外部装置との間では非接触状悪で
データ通信が行われる。なお、上記作用を行う手段およ
び装面には、外部装置からの電力供給を受ける平面コイ
ルを介して電力が供給される。In order to achieve the above object, the present invention provides an IC card in which an integrated circuit is built into a card-like case, and includes a means for receiving signal light from the outside and converting it into an electrical signal, and a means for receiving the signal light from the outside and converting it into an electric signal, and an output from the integrated circuit to the outside. A non-contact type IC card is constructed by comprising a means for transmitting signal light based on the present invention, and a planar coil that receives power supplied to the integrated circuit, the converting means, and the light transmitting means by electromagnetic induction. In the invention, with the above configuration, the signal light sent from the external device to the IC card is converted into an electrical signal by the light reception conversion means, and predetermined processing is performed within the integrated circuit. The result of the processing is sent out as an electrical signal, and based on this electrical signal, an optical signal is sent from the light sending means to an external device. In this way, data communication is performed between the IC card and the external device in a contactless manner. Note that power is supplied to the means for performing the above-mentioned action and the mounting surface via a planar coil that receives power supply from an external device.
［実施例コ 以下に図面を参照して本発明の詳細な説明する。[Example code] The present invention will be described in detail below with reference to the drawings.
第１図は、本発明ＩＣカードの一実施例を示す外観図で
あり、ここで、１はＩＣカード本体、２はこの本体１の
一方の主面の表面にあけた窓、３−はこの窓を覆う透明
板、４は窓２内に配置したフォトトランジスタ、５は同
じく窓２内に配置した発光ダイオード、６はカード本体
１に内蔵された集積回路、７は同じくカード本体１に内
蔵された電力被供給用平面コイルである。FIG. 1 is an external view showing an embodiment of the IC card of the present invention, where 1 is the IC card body, 2 is a window formed on one main surface of the main body 1, and 3- is the main body of the IC card. A transparent plate covering the window, 4 a phototransistor placed inside the window 2, 5 a light emitting diode also placed inside the window 2, 6 an integrated circuit built into the card body 1, and 7 also built into the card body 1. This is a planar coil for receiving power.
ここで、ＩＣカード本体１は、全体をプラスチックで薄
板状に形成し、完全密閉状態にモールドされたものとす
るのが好適である。Here, it is preferable that the IC card body 1 is formed entirely of plastic into a thin plate shape and molded in a completely sealed state.
次に、第２図は、本発明にかかるＩＣカードとデータ通
信するための外部装置の一例としてのリーダ・ライタを
示す概略図である。Next, FIG. 2 is a schematic diagram showing a reader/writer as an example of an external device for data communication with the IC card according to the present invention.
ここで、１２はＩＣカード本体１をこのリーダ・ライタ
に装着したときに、その窓２に対峙する筒体部で、その
先端部には、前述したフォトトランジスタ４および発光
ダイオード５に対し、それぞれ光結合すべく発光ダイオ
ード１５およびフォトトランジスタ１４が設けられる。Here, 12 is a cylindrical part that faces the window 2 when the IC card main body 1 is attached to this reader/writer, and the tip part thereof has a cylindrical part that faces the above-mentioned phototransistor 4 and light emitting diode 5, respectively. A light emitting diode 15 and a phototransistor 14 are provided for optical coupling.
１５はこれら素子１４および１５に接続されたデータ転
送用信号線である。15 is a data transfer signal line connected to these elements 14 and 15.
１７は両極１７Ａと１７Ｂとを所定ギャップをおいて対
向させたコアであ〜す゛、１８はこのコア１７に巻回し
たコイル、１９はこのコイルへ電力を供給する交流電源
である。両極１７＾と１７Ｂ との間に形成されるギャ
ップ、すなわち６ｆ１気発生部２０は、ＩＣカードがリ
ーダ・ライタに装着されたときに、その平面コイル７の
中心に位置するように設定される。Reference numeral 17 is a core in which poles 17A and 17B are opposed to each other with a predetermined gap therebetween. Reference numeral 18 is a coil wound around this core 17, and reference numeral 19 is an AC power source that supplies power to this coil. The gap formed between the two poles 17^ and 17B, that is, the 6f1 gas generating section 20, is set to be located at the center of the planar coil 7 when the IC card is attached to the reader/writer.
上記構成において、ＩＣカート本体１の窓２とリーダ・
ライタの筒体部１２および平面コイル７の中心とＩ＋ｕ
気発生部２０とを位音合わせして、光信号によりデータ
の転送を行う。すなわち、リーダ・ライタの発光ダイオ
ード１５から２値ｆ＝号を示す光信号を送ると、フォト
トランジスタ４はこれを受光して電気信号に変換し集積
回路６に送る。In the above configuration, the window 2 of the IC cart body 1 and the reader
The center of the cylindrical body part 12 of the lighter and the planar coil 7 and I+u
The data is transferred by optical signals by aligning the position with the air generating unit 20. That is, when the light emitting diode 15 of the reader/writer sends an optical signal indicating a binary value f=, the phototransistor 4 receives the light, converts it into an electrical signal, and sends it to the integrated circuit 6.
この集積回路６での処理結果は、逆に発光ダイオード５
から電気信号に基づく信号光として送られ、リーダ・ラ
イタのフォトダイオード１４で受光され、データ転送用
信号４１１６を介して、図示しない制御部５送られる。The processing result of this integrated circuit 6 is conversely expressed by the light emitting diode 5.
The signal light is sent as a signal light based on an electric signal from , is received by the photodiode 14 of the reader/writer, and is sent to the control unit 5 (not shown) via the data transfer signal 4116.
また、ＩＣカードへの電力の供給は、コイル１８に交流
電圧を印加することにより両極１７＾と１７Ｂとの間に
磁気を発生させ電ｔｕ 誘導作用にてＩＣカートの平面
コイル７に誘導起電力を発生させて行われる。In addition, power is supplied to the IC card by applying an alternating current voltage to the coil 18 to generate magnetism between the poles 17^ and 17B, and by the electric tu induction effect, an induced electromotive force is generated in the planar coil 7 of the IC cart. This is done by generating.
かかる電磁誘導作用を利用する場合には、誘導起電力は
交流であるから、その交流を整流して得た直流電力によ
りＩＣカードへの給電を行う。When such an electromagnetic induction effect is utilized, the induced electromotive force is alternating current, so the IC card is powered by direct current power obtained by rectifying the alternating current.
［発明の効果コ
以上の説明から明らかなように、本発明は電気的接点を
有さないことから接点の接触不良や静電気による素子破
壊等を防止でき、信頼性が向上する。しかもまた、信号
の受環を光により行うから電波障害の影Ｃがなく使用場
所が限定されない。[Effects of the Invention] As is clear from the above description, since the present invention does not have electrical contacts, it is possible to prevent poor contact of the contacts and damage to the element due to static electricity, thereby improving reliability. Moreover, since the signal reception is performed using light, there is no influence of radio wave interference, and the place of use is not limited.
さらに加えて、電源電力供給も非接触状態で行うように
したので、カード全体を完全に密閉することができ、以
て防水性上も有利で耐久性が著しく向上する。Furthermore, since power supply is also performed in a non-contact manner, the entire card can be completely sealed, which is advantageous in terms of waterproofness and significantly improves durability.
第１図は本発明の実施例を示す外観図、第２図は本発明
ＩＣカードに対電するリーダ・ライタの一例を示す概略
図である。
１・・・ＩＣカード本体、
２・・・窓、
４．１４・・・フォトトランジスタ、
５．１５・・・発光ダイオード、
６・・・集積回路、
７・・・平面コイル、
２０・・・磁気発生部。
第１図
第２図FIG. 1 is an external view showing an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an example of a reader/writer that supplies power to an IC card of the present invention. DESCRIPTION OF SYMBOLS 1...IC card body, 2...Window, 4.14...Phototransistor, 5.15...Light emitting diode, 6...Integrated circuit, 7...Planar coil, 20... Magnetic generating part. Figure 1 Figure 2
Claims (1)
いて、外部からの信号光を受光し電気信号に変換する手
段と、 外部に前記集積回路からの出力に基づく信号光を送る手
段と、 前記集積回路，前記変換手段および前記送光手段に対し
て供給する電源電力を電磁誘導により受電する平面コイ
ルと、 を具えたことを特徴とするＩＣカード。[Claims] An IC card in which an integrated circuit is housed in a card-like case, comprising means for receiving signal light from the outside and converting it into an electrical signal, and sending signal light based on the output from the integrated circuit to the outside. An IC card comprising: a planar coil that receives power supplied to the integrated circuit, the converter, and the light transmitter by electromagnetic induction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61114914A JPS62271795A (en) | 1986-05-21 | 1986-05-21 | Ic card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61114914A JPS62271795A (en) | 1986-05-21 | 1986-05-21 | Ic card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62271795A true JPS62271795A (en) | 1987-11-26 |
Family
ID=14649788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61114914A Pending JPS62271795A (en) | 1986-05-21 | 1986-05-21 | Ic card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62271795A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010178371A (en) * | 2003-12-11 | 2010-08-12 | Hitachi Metals Ltd | Antenna and radio timepiece using the same, keyless entry system, and rfid system |
| WO2010097869A1 (en) * | 2009-02-26 | 2010-09-02 | パナソニック株式会社 | Charger, electronic apparatus, and system for charging electronic apparatus |
| JP2013098499A (en) * | 2011-11-04 | 2013-05-20 | Sharp Corp | Wireless photo-coupling detection device and electronic apparatus |
-
1986
- 1986-05-21 JP JP61114914A patent/JPS62271795A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010178371A (en) * | 2003-12-11 | 2010-08-12 | Hitachi Metals Ltd | Antenna and radio timepiece using the same, keyless entry system, and rfid system |
| WO2010097869A1 (en) * | 2009-02-26 | 2010-09-02 | パナソニック株式会社 | Charger, electronic apparatus, and system for charging electronic apparatus |
| JP2013098499A (en) * | 2011-11-04 | 2013-05-20 | Sharp Corp | Wireless photo-coupling detection device and electronic apparatus |
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