JPH0756217Y2 - Information card - Google Patents

Information card

Info

Publication number
JPH0756217Y2
JPH0756217Y2 JP1988047540U JP4754088U JPH0756217Y2 JP H0756217 Y2 JPH0756217 Y2 JP H0756217Y2 JP 1988047540 U JP1988047540 U JP 1988047540U JP 4754088 U JP4754088 U JP 4754088U JP H0756217 Y2 JPH0756217 Y2 JP H0756217Y2
Authority
JP
Japan
Prior art keywords
magnetic coil
conductor
information card
semiconductor device
transceiver
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.)
Expired - Lifetime
Application number
JP1988047540U
Other languages
Japanese (ja)
Other versions
JPH01156071U (en
Inventor
忠人 鈴木
義一 寄本
浩幸 中牟田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toppan Inc filed Critical Toppan Inc
Priority to JP1988047540U priority Critical patent/JPH0756217Y2/en
Publication of JPH01156071U publication Critical patent/JPH01156071U/ja
Application granted granted Critical
Publication of JPH0756217Y2 publication Critical patent/JPH0756217Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】 〈産業上の利用分野〉 本考案は、送受信機との間で情報や電力の授受を磁気コ
イルによる非接触で行う情報カードに関する。
[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to an information card for exchanging information and electric power with a transceiver by a magnetic coil in a non-contact manner.

〈従来の技術〉 CPUやメモリ等の半導体装置を内蔵した情報カード(IC
カード)は、送受信装置との間で情報や電力の授受を行
うことにより利用に供せられる。
<Prior art> Information card (IC with built-in semiconductor devices such as CPU and memory
The card) is used by exchanging information and electric power with the transmission / reception device.

情報カードと送受信機との結合方式には結合用磁気コイ
ル間の電磁誘導を利用した非接触方式があり、端子同士
を接続する接触方式に較べて接触による種々の障害を回
避することができ環境や取扱が劣悪な使用にも耐え得る
点で有利である。
There is a non-contact method that uses electromagnetic induction between the coupling magnetic coils as the coupling method between the information card and the transceiver, and various obstacles due to contact can be avoided compared to the contact method that connects terminals. It is advantageous in that it can withstand poor handling and use.

このような非接触方式の情報カードにおいて、送受信機
には情報カードとの間で情報や電力の授受を行うために
送信用磁気コイル、受信用磁気コイル及び送電用磁気コ
イルといった3つの結合用磁気コイルが備えられている
一方、情報カードには受信用磁気コイル、送信用磁気コ
イル及び受電用磁気コイルが送受信機側の送信用磁気コ
イル、受信用磁気コイル及び送電用磁気コイルにそれぞ
れ対応して配設されている。
In such a non-contact type information card, the transmitter / receiver has three coupling magnetic coils such as a transmitting magnetic coil, a receiving magnetic coil, and a power transmitting magnetic coil for exchanging information and power with the information card. While the information card is provided with a coil, the receiving magnetic coil, the transmitting magnetic coil and the receiving magnetic coil correspond to the transmitting magnetic coil, the receiving magnetic coil and the transmitting magnetic coil on the transceiver side, respectively. It is arranged.

〈考案が解決しようとする課題〉 非接触式の情報カードにあっては磁気コイルから情報や
電力が入力されるため、これら磁気コイルが外部からの
電磁波による影響を受け、ノイズが発生して情報カード
の半導体装置が誤動作してしまうという問題があった。
また、磁気コイルと半導体装置とを接続する導体配線に
ついても同様であり、ループして配線されてしまった導
体配線が電磁波による影響を受けると誘起電圧が生じ、
半導体装置に誤動作を生じさせてしまうという問題があ
った。
<Problems to be solved by the invention> In a non-contact type information card, information and electric power are input from the magnetic coils, so these magnetic coils are affected by electromagnetic waves from the outside, and noise is generated, resulting in information loss. There is a problem that the semiconductor device of the card malfunctions.
The same applies to the conductor wiring that connects the magnetic coil and the semiconductor device. When the conductor wiring that is looped and wired is affected by electromagnetic waves, an induced voltage is generated,
There is a problem in that the semiconductor device may malfunction.

本願の第1の考案は上記従来の事情に鑑みなされたもの
であって、磁気コイルと導体配線との電磁波による影響
を排除して半導体装置の誤動作を防止した情報カードを
提供することを目的とする。
The first invention of the present application has been made in view of the above conventional circumstances, and an object thereof is to provide an information card in which the influence of the electromagnetic waves of the magnetic coil and the conductor wiring is eliminated to prevent the malfunction of the semiconductor device. To do.

ここで、磁気コイルに電波シールドを施す場合に、コイ
ルの周囲をぐるりと取り囲むように導体シールドを設け
ると、この導体シールド自体が電磁波の影響を受けてコ
イルとして作用してしまい、半導体装置の誤動作を惹起
してしまうという新たな問題が生ずる。
Here, when a magnetic shield is applied to a magnetic coil, if a conductor shield is provided so as to surround the coil, the conductor shield itself acts as a coil under the influence of electromagnetic waves, and the semiconductor device malfunctions. A new problem arises that causes

本願の第2の考案はこのような事情に鑑みなされたもの
で、導体シールドによるコイル作用の発生を防止した情
報カードを提供することを目的とする。
The second invention of the present application has been made in view of such circumstances, and an object thereof is to provide an information card in which the occurrence of a coil action due to a conductor shield is prevented.

〈課題を解決するための手段〉 上記目的を達成する本願の考案は、送受信機との結合用
の磁気コイルと、送受信機との間で授受される情報を処
理する半導体装置と、磁気コイルと半導体装置とを接続
する導体配線とを備えた情報カードにおいて、磁気コイ
ルおよび導体配線を電磁波から保護する導体シールドで
これらの磁気コイルおよび導体配線を覆うとともに、導
体シールドの一部を切り欠いて磁気コイルを収納する孔
を外部に開放したことを特徴とする。
<Means for Solving the Problems> The invention of the present application that achieves the above object is to provide a magnetic coil for coupling with a transceiver, a semiconductor device for processing information transmitted and received between the transceiver, and a magnetic coil. In an information card provided with a conductor wiring for connecting to a semiconductor device, the magnetic coil and the conductor wiring are covered with a conductor shield for protecting the magnetic coil and the conductor wiring from electromagnetic waves, and a part of the conductor shield is cut out to make a magnetic field. It is characterized in that the hole for housing the coil is opened to the outside.

〈作用〉 送受信機の磁気コイルや外部機器等からの電磁波に対
し、導体シールドが情報カードの磁気コイル及び導体配
線を保護し、誘起電圧の発生を防止して半導体装置の正
常な作動を保障する。そして、磁気コイルのシールドの
ためには導体シールドで磁気コイルを囲むすなわち導体
シールドの孔内に磁気コイルを納めることとなるが、こ
の孔を開放させて導体シールドにより磁気コイルの周囲
にループが形成されてしまわないようにし、導体シール
ドがコイルとして作用してしまうのを防止する。
<Function> The conductor shield protects the magnetic coil and conductor wiring of the information card from electromagnetic waves from the transmitter / receiver magnetic coil and external devices, and prevents the generation of induced voltage to ensure normal operation of the semiconductor device. . In order to shield the magnetic coil, the magnetic coil is surrounded by the conductor shield, that is, the magnetic coil is housed in the hole of the conductor shield. However, by opening this hole, a loop is formed around the magnetic coil by the conductor shield. The conductor shield prevents the conductor shield from acting as a coil.

〈実施例〉 本考案の情報カードを添付図面に示した実施例に基づい
て説明する。
<Example> An information card of the present invention will be described based on an example shown in the accompanying drawings.

図面には情報カードを二つに分解した状態で示してあ
り、情報カードはケース1とケース3とを接合し、これ
らケース1、3内に半導体装置A、B、C、Dや磁気コ
イルJ1、J2、J3を納めた構造となっている。
In the drawing, the information card is shown in a disassembled state. The information card is formed by joining the case 1 and the case 3, and the semiconductor devices A, B, C, D and the magnetic coil J1 are placed in the cases 1 and 3. , J2, J3 are stored.

磁気コイルJ1、J2、J3は送受信機(図示せず)の送信
用、受信用、送電用の各磁気コイルと結合されるもので
あり、情報カードを送受信機に挿入した際に送受信機側
の各磁気コイルにそれぞれ対向するよう磁気コイルJ1、
J2、J3は配設されている。すなわち、磁気コイルJ1は受
信用、磁気コイルJ2は送信用、磁気コイルJ3は受電用に
設定されている。
The magnetic coils J1, J2, and J3 are connected to the transmitting, receiving, and transmitting magnetic coils of the transceiver (not shown), and when the information card is inserted into the transceiver, Magnetic coil J1, facing each magnetic coil,
J2 and J3 are arranged. That is, the magnetic coil J1 is set for reception, the magnetic coil J2 is set for transmission, and the magnetic coil J3 is set for power reception.

半導体装置AはCPUおよびEPROMを構成し、半導体装置B
は入力データの再生回路を構成し、半導体装置Cは供給
電力の安定化回路およびクロック信号の再生回路を構成
し、半導体装置Dは出力データの送信回路を構成してい
る。
The semiconductor device A constitutes a CPU and EPROM, and the semiconductor device B
Represents a reproducing circuit for input data, the semiconductor device C constitutes a stabilizing circuit for supply power and a reproducing circuit for a clock signal, and the semiconductor device D constitutes a transmitting circuit for output data.

従って、送受信機から受電用磁気コイルJ3を介して情報
カードに入力された電力は整流安定化されて各半導体装
置に供給され、この供給電力と共に送受信機から入力さ
れたクロック信号は再生されてCPUに供給される。そし
て、送受信機から受信用磁気コイルJ1を介して情報カー
ドに入力された情報はデータ再生回路Bで再生され、CP
Uによって処理されてEPROMに保存される。また、情報カ
ードから送受信機への情報の出力は送信用磁気コイルJ2
を介してなされる。
Therefore, the electric power input from the transceiver to the information card through the power receiving magnetic coil J3 is rectified and stabilized and supplied to each semiconductor device, and the clock signal input from the transceiver is reproduced together with the supplied electric power to the CPU. Is supplied to. Then, the information inputted from the transceiver to the information card through the receiving magnetic coil J1 is reproduced by the data reproducing circuit B, and the CP
Processed by U and stored in EPROM. In addition, the output of information from the information card to the transceiver is performed by the magnetic coil J2 for transmission.
Made through.

ケース1、3にはそれぞれ板状の導体シールド11、13が
設けられており、これら導体シールド11、13はリード線
15によって接続されて共通のグランドとなっている。導
体シールド11、13は磁気コイル部分を除いてケース1、
3の内面の全面を覆うものであり、半導体装置A、B、
C、D更にはこれらを接続する導体配線(図示せず)及
びこれらと磁気コイルを接続する導体配線(図示せず)
は導体シールド11、13間にサンドウィッチ状に挟まれて
覆われている。そして、導体シールド11、13には各磁気
コイルJ1、J2、J3,を逃がすためにこれら磁気コイルJ
1、J2、J3を納める孔21、22、23、31、32、33が形成さ
れており、更に、これら孔21、22、23、31、32、33を開
放させる切欠き21a、22a、23a、31a、32a、33aが形成さ
れてる。
Cases 1 and 3 are provided with plate-shaped conductor shields 11 and 13, respectively, and these conductor shields 11 and 13 are lead wires.
Connected by 15 to form a common ground. The conductor shields 11 and 13 are the case 1 except the magnetic coil part.
3 for covering the entire inner surface of the semiconductor device A, B,
C, D, conductor wiring (not shown) for connecting these, and conductor wiring (not shown) for connecting these and the magnetic coil
Is covered and sandwiched between the conductor shields 11 and 13 in a sandwich shape. The magnetic shields J, J2, J3 are provided on the conductor shields 11 and 13 in order to release the magnetic coils J1, J2, J3.
Holes 21, 22, 23, 31, 32, 33 for receiving 1, J2, J3 are formed, and further, notches 21a, 22a, 23a for opening these holes 21, 22, 23, 31, 32, 33. , 31a, 32a, 33a are formed.

従って、外部からの電磁波の半導体装置、導体配線及び
磁気コイルへの影響は導体シールド11、13によって排除
され、半導体装置の誤動作発生が防止される。ここで、
導体シールド11、13に磁気コイルを逃げて孔21、22、2
3、31、32、33が形成されているが、これら孔は切欠き2
1a、22a、23a、31a、32a、33aによって開放されてルー
プを形成していないため、電磁波により導体シールド1
1、13の孔部で誘起電圧が生じてしまうこともない。
Therefore, the influence of electromagnetic waves from the outside on the semiconductor device, the conductor wiring and the magnetic coil is eliminated by the conductor shields 11 and 13, and the malfunction of the semiconductor device is prevented. here,
Escape the magnetic coil to the conductor shields 11 and 13 and holes 21, 22 and 2
3, 31, 32, 33 are formed, but these holes are notches 2
1a, 22a, 23a, 31a, 32a, 33a are not opened to form a loop, so electromagnetic shield 1
No induced voltage is generated in the holes 1 and 13.

また、情報カード内部の導体配線は自らループ状となっ
ていても導体シールドによって誘起電圧の発生が防止さ
れるため、導体配線によって孔21、22、23、31、32、33
を閉じてしまわないよう配慮すればよく、配線の自由度
が拡大する。
Further, even if the conductor wiring inside the information card is looped by itself, the conductor shield prevents the generation of the induced voltage. Therefore, the conductor wiring causes holes 21, 22, 23, 31, 32, 33.
It is only necessary to take care not to close the cable, which increases the freedom of wiring.

〈効果〉 本考案によれば、情報カードに少なくとも磁気コイルと
導体配線とを電磁波から保護する導体シールドを設けた
ため、磁気コイルや導体配線の電磁波による影響を排除
してノイズ発生を防止することができ、情報カードの正
常な作動を保障することができる。
<Effect> According to the present invention, since the information card is provided with the conductor shield that protects at least the magnetic coil and the conductor wiring from electromagnetic waves, it is possible to eliminate the influence of the electromagnetic waves of the magnetic coil and the conductor wiring and prevent noise generation. You can and can ensure the normal operation of the information card.

【図面の簡単な説明】[Brief description of drawings]

添付図面は本考案の一実施例に係る情報カードの内部構
造を示す正面図である。 11、13は導体シールド、21、22、23、31、32、33は孔、
21a、22a、23a、31a、32a、33aは切欠き、A、B、C、
Dは半導体装置、J1、J2、J3は磁気コイルである。
The accompanying drawings are front views showing the internal structure of an information card according to an embodiment of the present invention. 11, 13 are conductor shields, 21, 22, 23, 31, 32, 33 are holes,
21a, 22a, 23a, 31a, 32a, 33a are notches, A, B, C,
D is a semiconductor device, and J1, J2, and J3 are magnetic coils.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】送受信機との結合用の磁気コイルと、送受
信機との間で授受される情報を処理する半導体装置と、
磁気コイルと半導体装置とを接続する導体配線とを備え
た情報カードにおいて、 磁気コイルおよび導体配線を電磁波から保護する導体シ
ールドでこれらの磁気コイルおよび導体配線を覆うとと
もに、導体シールドの一部を切り欠いて磁気コイルを収
納する孔を外部に開放したことを特徴とする情報カー
ド。
1. A magnetic coil for coupling with a transceiver, and a semiconductor device for processing information exchanged between the transceiver and the transceiver.
In an information card equipped with a magnetic coil and a conductor wiring for connecting a semiconductor device, the magnetic coil and the conductor wiring are covered with a conductor shield that protects the magnetic coil and the conductor wiring from electromagnetic waves, and a part of the conductor shield is cut. An information card characterized in that the hole for housing the magnetic coil is open to the outside.
JP1988047540U 1988-04-08 1988-04-08 Information card Expired - Lifetime JPH0756217Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988047540U JPH0756217Y2 (en) 1988-04-08 1988-04-08 Information card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988047540U JPH0756217Y2 (en) 1988-04-08 1988-04-08 Information card

Publications (2)

Publication Number Publication Date
JPH01156071U JPH01156071U (en) 1989-10-26
JPH0756217Y2 true JPH0756217Y2 (en) 1995-12-25

Family

ID=31273741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988047540U Expired - Lifetime JPH0756217Y2 (en) 1988-04-08 1988-04-08 Information card

Country Status (1)

Country Link
JP (1) JPH0756217Y2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3785658B2 (en) * 1995-10-25 2006-06-14 凸版印刷株式会社 IC card
JP2008040810A (en) * 2006-08-07 2008-02-21 Shin Etsu Polymer Co Ltd Molding for rfid system
WO2020158500A1 (en) * 2019-01-30 2020-08-06 株式会社村田製作所 Module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953468B2 (en) * 1980-07-02 1984-12-25 株式会社日立製作所 Condensate purification method and equipment
JPS6213390A (en) * 1985-07-11 1987-01-22 Kanzaki Paper Mfg Co Ltd Thermal recording material
JPS6320589A (en) * 1986-07-14 1988-01-28 Oki Electric Ind Co Ltd Information card

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953468U (en) * 1982-09-30 1984-04-07 ソニー株式会社 data card

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5953468B2 (en) * 1980-07-02 1984-12-25 株式会社日立製作所 Condensate purification method and equipment
JPS6213390A (en) * 1985-07-11 1987-01-22 Kanzaki Paper Mfg Co Ltd Thermal recording material
JPS6320589A (en) * 1986-07-14 1988-01-28 Oki Electric Ind Co Ltd Information card

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Publication number Publication date
JPH01156071U (en) 1989-10-26

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