KR20030081577A - Ic card having lighting element - Google Patents
Ic card having lighting element Download PDFInfo
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- KR20030081577A KR20030081577A KR1020020019874A KR20020019874A KR20030081577A KR 20030081577 A KR20030081577 A KR 20030081577A KR 1020020019874 A KR1020020019874 A KR 1020020019874A KR 20020019874 A KR20020019874 A KR 20020019874A KR 20030081577 A KR20030081577 A KR 20030081577A
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- light emitting
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- memory
- data
- circuit card
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0707—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
- G06K19/0708—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
- G06K19/0709—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic the source being an interrogation field
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
본 발명은 발광 기능을 갖는 집적회로카드에 관한 것으로서, 보다 상세하게는 IC칩과 발광수단이 내장된 집적회로카드에 접촉식 또는 비접촉식으로 전원을 공급하여 카드로부터 빛을 발광시키도록 하는 발광 기능을 갖는 집적회로카드에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrated circuit card having a light emitting function. More particularly, the present invention relates to a light emitting function that emits light from a card by supplying contact or contactless power to an integrated circuit card having an IC chip and a light emitting means. An integrated circuit card having a.
집적회로(integrated circuit card)카드라 함은, 통상의 카드에 집적회로(IC) 기억소자를 장착하여 대용량의 정보를 담을 수 있는 것으로, 일반적으로는 국제표준화기구(ISO)에서 표준화하고 있는 신용카드와 똑같은 형태이다. 자기카드와 비교할 때, 매우 큰 기억 용량과 고도의 기능 및 안정성을 지니고 있다.An integrated circuit card is an integrated circuit (IC) memory device mounted on a conventional card to store a large amount of information, and is generally a credit card standardized by the International Organization for Standardization (ISO). Same form as Compared to magnetic cards, it has a very large memory capacity, high functionality and stability.
통상적으로 카드 크기는 가로 54mm×세로 86mm×두께 0.76mm이고 구조는 접속단자, IC칩, 플라스틱 카드로 구성되어 있다. 제조공정은, 반도체 제조공장에서 IC칩을 제작한 후, 다이(die)를 PCB에 부착한다. 와이어 본딩(wire bonding)을 하고 수지 보호층을 도포하고 마이크로 모듈을 제작하고, 기저판의 인쇄 및 모듈용 홈을 가공한 후 마이크로모듈을 부착한다.Typically, the size of the card is 54mm wide x 86mm long x 0.76mm thick, and its structure consists of a connection terminal, an IC chip, and a plastic card. In the manufacturing process, an IC chip is manufactured in a semiconductor manufacturing factory, and then a die is attached to the PCB. After wire bonding, the resin protective layer is applied, the micro module is manufactured, the base plate is printed and the grooves for the module are processed, and then the micro module is attached.
현재 이 카드에는 의료보험증을 비롯하여 각종 신분조회가 가능하도록 설계되어 다양하게 사용되고 있는 실정이다.At present, the card is designed to be used in various forms, including medical insurance card.
그러나, 이와 같이 다양한 기능을 갖고 있는 종래의 집적회로카드는, 리더기와 접촉/비접촉 방식으로 데이터를 입출력하는 순간, 그 데이터 입출력 상태를 사용자가 눈으로 식별할 수 없는 등의 문제점이 있었다.However, the conventional integrated circuit card having various functions as described above has a problem that a user cannot visually identify the data input / output state at the moment of inputting / outputting data in a contact / non-contact manner with a reader.
또한, 최근에는 통상의 집적회로카드의 외관 및 색조가 획일적으로 단순하여 보다 새로운 기능을 부가할 필요성이 대두되고 있다.In addition, in recent years, the appearance and color tone of conventional integrated circuit cards are uniformly simple, and there is a need for adding new functions.
따라서, 본 발명은 상기한 종래의 제반 문제점을 해결하기 위한 것으로, 집적회로카드에 IC칩과 발광수단을 내장시키고, 접촉 또는 비접촉식으로 데이터가 입출력되는 순간, 전원을 공급받아 카드로부터 빛을 발광시키도록 하는 발광 기능을 갖는 집적회로카드를 제공함에 그 목적이 있다.Accordingly, the present invention is to solve the above-mentioned conventional problems, the IC chip and the light emitting means is embedded in the integrated circuit card, and when the data is input or output by contact or contactless, the power is supplied to emit light from the card It is an object of the present invention to provide an integrated circuit card having a light emitting function.
도 1은 본 발명에 따른 발광 기능을 갖는 집적회로카드의 일실시예를 나타낸 블록 구성도.1 is a block diagram showing an embodiment of an integrated circuit card having a light emitting function according to the present invention.
도 2는 본 발명의 데이터 송수신 원리를 나타낸 도면.2 is a view showing a data transmission and reception principle of the present invention.
도 3은 본 발명에 따른 발광 기능을 갖는 집적회로카드의 다른 실시예를 나타낸 블록 구성도.Figure 3 is a block diagram showing another embodiment of an integrated circuit card having a light emitting function according to the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
100 : 호스트 컴퓨터 200 : 리더기100: host computer 200: reader
300 : 송수신장치 400 : 안테나 코일300: transceiver 400: antenna coil
401 : 접촉단자 500 : 집적회로카드401: contact terminal 500: integrated circuit card
510 : 안테나 511 : 접촉단자510: antenna 511: contact terminal
520 : IC 칩 521 : 메모리520: IC chip 521: memory
522 : 파워 제너레이터 523 : 제어회로522: power generator 523: control circuit
530 : 발광수단530: light emitting means
상기한 목적을 달성하기 위한 본 발명에 따른 발광 기능을 갖는 집적회로카드는, 통상의 송수신장치의 안테나 코일에 비접촉식으로 근접되어 자기장의 변화를 검출함과 아울러, 데이터를 송/수신하는 안테나; 상기 안테나에서 검출된 자기장으로부터 에너지를 얻어 구동전원을 발생시키는 파워 제너레이터와; 소정의 데이터를 저장하는 메모리와; 상기 파워 제너레이터에서 발생된 전원으로 구동되어 수신된 데이터를 상기 메모리에 저장하거나, 상기 메모리에 저장된 데이터를 상기 안테나를 통하여 상기 송수신장치로 송신하도록 제어하는 제어회로로 구성된 IC 칩; 상기 파워 제너레이터에서 발생된 전원으로 구동되어 소정의 빛을 발광하는 발광수단을 포함하는 것을 특징으로 한다.An integrated circuit card having a light emitting function according to the present invention for achieving the above object, the contactless proximity to the antenna coil of the conventional transceiver device for detecting a change in the magnetic field, and transmitting and receiving data; A power generator for generating energy from a magnetic field detected by the antenna to generate driving power; A memory for storing predetermined data; An IC chip configured to be controlled by a power circuit generated by the power generator to store received data in the memory or to transmit data stored in the memory to the transceiver through the antenna; And light emitting means driven by a power source generated by the power generator to emit predetermined light.
또한, 상기 발광수단은 집적회로카드에 부착된 다수의 LED이거나, 또는 집적회로카드에 부착된 다수의 LED와 상기 LED에서 발광된 빛을 전달하는 광섬유로 구성되거나, 또는 집적회로카드에 도포된 발광잉크인 것이 바람직하다.In addition, the light emitting means is a plurality of LEDs attached to the integrated circuit card, or a plurality of LEDs attached to the integrated circuit card and the optical fiber for transmitting the light emitted from the LED, or the light emission applied to the integrated circuit card It is preferable that it is ink.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명한다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.
도 1은 본 발명에 따른 발광 기능을 갖는 집적회로카드의 일실시예를 나타낸 블록 구성도이고, 도 2는 본 발명의 데이터 및 전원 송수신 원리를 나타낸 도면이다.1 is a block diagram showing an embodiment of an integrated circuit card having a light emitting function according to the present invention, Figure 2 is a view showing the data and power transmission and reception principles of the present invention.
통상의 송수신장치(300)의 안테나 코일(400)에 비접촉식으로 근접되어 자기장의 변화를 검출함과 아울러, 데이터를 송/수신하는 안테나(510); 상기 안테나(510)에서 검출된 자기장으로부터 에너지를 얻어 구동전원을 발생시키는 파워 제너레이터(522)와; 소정의 데이터를 저장하는 메모리(521)와; 상기 파워 제너레이터(522)에서 발생된 전원으로 구동되어 수신된 데이터를 상기 메모리(521)에 저장하거나, 상기 메모리(521)에 저장된 데이터를 상기 안테나(510)를 통하여 상기 송수신장치(300)로 송신하도록 제어하는 제어회로(523)로 구성된 IC 칩(520); 상기 파워 제너레이터(522)에서 발생된 전원으로 구동되어 소정의 빛을 발광하는 발광수단(530)을 포함한다.An antenna 510 which is in a non-contact proximity to the antenna coil 400 of the conventional transceiver 300 to detect a change in the magnetic field and transmit / receive data; A power generator 522 for generating energy from a magnetic field detected by the antenna 510 to generate driving power; A memory 521 for storing predetermined data; Data received and driven by the power generated by the power generator 522 is stored in the memory 521 or data stored in the memory 521 is transmitted to the transceiver 300 through the antenna 510. An IC chip 520 composed of a control circuit 523 which controls to make a control; It includes a light emitting means 530 is driven by the power generated by the power generator 522 to emit a predetermined light.
상기 발광수단(530)은 집적회로카드에 부착된 다수의 LED, 또는 집적회로카드(500)에 부착된 다수의 LED와 상기 LED에서 발광된 빛을 전달하는 광섬유, 또는 집적회로카드에 도포된 발광잉크로 구성된다.The light emitting means 530 is a plurality of LEDs attached to the integrated circuit card, or a plurality of LEDs attached to the integrated circuit card 500 and the optical fiber for transmitting the light emitted from the LED, or light emission applied to the integrated circuit card It consists of ink.
또한, 도 3은 본 발명에 따른 발광 기능을 갖는 집적회로카드의 다른 실시예를 나타낸 블록 구성도로서, 통상의 송수신장치(300)의 접촉단자(401)에 접촉되어 전원을 공급받음과 아울러, 데이터를 송/수신하는 접촉단자(511); 상기 접촉단자(511)에서 공급받은 에너지로 구동전원을 발생시키는 파워 제너레이터(522)와; 소정의 데이터를 저장하는 메모리(521)와; 상기 파워 제너레이터(522)에서 발생된 전원으로 구동되어 수신된 데이터를 상기 메모리(521)에 저장하거나, 상기 메모리(521)에 저장된 데이터를 상기 접촉단자(511)를 통하여 상기 송수신장치(300)로 송신하도록 제어하는 제어회로(523)로 구성된 IC 칩(520); 상기 파워 제너레이터(522)에서 발생된 전원으로 구동되어 소정의 빛을 발광하는 발광수단(530)을 포함한다.In addition, Figure 3 is a block diagram showing another embodiment of an integrated circuit card having a light emitting function according to the present invention, in addition to being in contact with the contact terminal 401 of the conventional transceiver 300, the power supply, A contact terminal 511 for transmitting / receiving data; A power generator 522 for generating driving power with energy supplied from the contact terminal 511; A memory 521 for storing predetermined data; Data received and driven by the power generated by the power generator 522 is stored in the memory 521 or data stored in the memory 521 is transmitted to the transceiver 300 through the contact terminal 511. An IC chip 520 consisting of a control circuit 523 for controlling to transmit; It includes a light emitting means 530 is driven by the power generated by the power generator 522 to emit a predetermined light.
이와 같이 구성된 본 발명의 작용을 더욱 상세히 설명하면 다음과 같다.Referring to the operation of the present invention configured in this way in more detail as follows.
도 1에 도시된 바와 같이, 본 발명은 호스트 컴퓨터(100)와, 리더기(200)와, 송수신장치(300)와, 안테나 코일(400)과, 그리고 집적회로카드(500)로 구성된다. 또한, 상기 집적회로카드(500)는 안테나(510)와, 메모리(521), 파워 제너레이터(522), 제어회로(523)를 포함하는 IC 칩(520)과, 발광수단(530)으로 구성된다.As shown in FIG. 1, the present invention includes a host computer 100, a reader 200, a transceiver 300, an antenna coil 400, and an integrated circuit card 500. In addition, the integrated circuit card 500 includes an antenna 510, an IC chip 520 including a memory 521, a power generator 522, and a control circuit 523, and a light emitting means 530. .
통상의 호스트 컴퓨터(100)는 소정의 정보를 저장시키고, 또 그 정보를 읽어내어 진위여부를 확인한다. 송수신장치(300)는 안테나 코일(400)을 통하여 집적회로카드(500)와 데이터를 송수신한다.The normal host computer 100 stores predetermined information, reads the information, and confirms the authenticity. The transceiver 300 transmits and receives data to and from the integrated circuit card 500 through the antenna coil 400.
상기 리더기(200)는 송수신장치(300)에서 송수신 된 데이터를 읽어 호스트 컴퓨터(100)에 전달하며, 호스트 컴퓨터(100)에서 출력되는 데이터를송수신장치(300)를 통하여 집적회로카드(500)에 송신한다.The reader 200 reads the data transmitted and received by the transceiver 300 and transmits the data to the host computer 100, and transmits the data output from the host computer 100 to the integrated circuit card 500 through the transceiver 300. Send.
집적회로카드(500)의 IC 칩(520)은 메모리(521)에 데이터를 저장하고, 파워 제너레이터(522)는 송수신장치(300)의 안테나 코일(400)의 자기장으로부터 에너지를 얻어 구동전원을 발생시키고 이를 통하여 제어회로(523)를 구동시키며, 제어회로(523)는 메모리(521)에 저장된 데이터를 안테나(510)를 통하여 송수신장치(300)에 송신하거나, 송수신장치(300)로부터 수신된 데이터를 메모리(521)에 저장한다.The IC chip 520 of the integrated circuit card 500 stores data in the memory 521, and the power generator 522 generates driving power by obtaining energy from a magnetic field of the antenna coil 400 of the transceiver 300. The control circuit 523 transmits the data stored in the memory 521 to the transceiver 300 through the antenna 510 or the data received from the transceiver 300. Is stored in the memory 521.
도 2는 본 발명의 데이터 송수신 원리를 나타낸 도면으로서, 도시된 바와 같이 집적회로카드(500)는, 리더기(200)측 안테나(1차코일)(400)와 칩 안테나(510) 간의 유도성 결합 시스템을 이용하여 비접촉 환경에서 데이터를 읽고 쓸 수 있도록 되어 있다. 공진 IC 칩(520)은 리더기(200)의 안테나(400)의 자기장내에 위치하면, 자기장으로부터 에너지를 얻게 되고, IC 칩(520)은 이 에너지를 이용하여 V1, V2로 선택적으로 동작함으로 ASK(진폭변조)변조를 통해 IC 칩(520) 내부에 저장하고 있는 개인 정보 데이터를 리더기(200)로 보내게 된다.2 is a diagram illustrating a data transmission / reception principle of the present invention. As illustrated, the integrated circuit card 500 includes an inductive coupling between an antenna (primary coil) 400 of a reader 200 and a chip antenna 510. The system can be used to read and write data in a contactless environment. When the resonant IC chip 520 is located in the magnetic field of the antenna 400 of the reader 200, energy is obtained from the magnetic field, and the IC chip 520 selectively operates at V1 and V2 using this energy, thereby providing ASK ( Amplitude modulation) modulates the personal information data stored in the IC chip 520 to the reader 200.
한편, 이와 같은 데이터 입출력 과정에서 발광수단(530)은 상기 파워 제너레이터(522)에서 발생된 전원으로 구동되어 소정의 빛을 발광한다.Meanwhile, in the data input / output process, the light emitting means 530 is driven by the power generated by the power generator 522 to emit predetermined light.
바람직하기로는 상기 발광수단(530)은 집적회로카드에 부착된 다수의 LED로 구성되어 다양한 색상을 표시할 수 있으며, 문자 또는 그림 등을 표시할 수도 있다.Preferably, the light emitting means 530 is composed of a plurality of LEDs attached to the integrated circuit card can display a variety of colors, may display a letter or a picture.
또한, 상기 발광수단(530)은 집적회로카드에 부착된 다수의 LED와 상기 LED에서 발광된 빛을 전달하는 광섬유로 구성하여, 그 형상의 변경을 매우 유연하고자유롭게 구성할 수도 있다.In addition, the light emitting means 530 is composed of a plurality of LEDs attached to the integrated circuit card and the optical fiber for transmitting the light emitted from the LED, it may be configured to change the shape very flexible.
또한, 상기 발광수단(530)은 집적회로카드에 도포된 발광잉크로 구성하는 것도 바람직하며, 이때 상기 집적회로카드의 일부를 투명체로 구성하는 것이 더욱 바람직하다.In addition, the light emitting means 530 is also preferably composed of a light emitting ink applied to the integrated circuit card, it is more preferable that a part of the integrated circuit card is composed of a transparent body.
이상에서와 같이 본 발명의 집적회로카드는 비접촉식으로 구성하였으나, 다른 구성으로 도 3에 도시된 바와 같이 접촉식으로 구성할 수도 있다.As described above, the integrated circuit card of the present invention is configured in a non-contact manner, but may be configured in a contact manner as shown in FIG.
즉, 통상의 송수신장치(300)의 접촉단자(401)에 접촉되어 전원을 공급받음과 아울러, 데이터를 송/수신하는 접촉단자(511)를 구성함으로써, 발광수단(530)에 제공되는 전원을 보다 안정적으로 공급할 수 있는 것이다.That is, the power supplied to the light emitting means 530 is formed by configuring the contact terminal 511 which is in contact with the contact terminal 401 of the conventional transceiver 300 to receive power and to transmit / receive data. It is possible to supply more stable.
이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 또한 설명하였으나, 본 발명은 상기한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 본 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형 실시가 가능한 것은 물론이고, 그와 같은 변경은 기재된 청구범위 내에 있게 된다.Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.
이상에서 설명한 바와 같이 본 발명에 따른 발광 기능을 갖는 집적회로카드는 집적회로카드에 IC칩과 발광수단을 내장시키고, 접촉 또는 비접촉식으로 데이터가 입출력되는 순간, 전원을 공급받아 카드로부터 빛을 발광시키도록 함으로써, 데이터 입출력 상태를 사용자가 눈으로 식별할 수 있게 하고, 집적회로카드의 외관및 색조를 다양하게 꾸밀 수 있는 다양한 효과가 있다.As described above, an integrated circuit card having a light emitting function according to the present invention incorporates an IC chip and a light emitting means into an integrated circuit card, and emits light from the card by receiving power when data is input or output in contact or non-contact manner. As a result, the data input / output state can be visually recognized by the user, and there are various effects that can variously decorate the appearance and color tone of the integrated circuit card.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020019874A KR20030081577A (en) | 2002-04-12 | 2002-04-12 | Ic card having lighting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020019874A KR20030081577A (en) | 2002-04-12 | 2002-04-12 | Ic card having lighting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20030081577A true KR20030081577A (en) | 2003-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020020019874A KR20030081577A (en) | 2002-04-12 | 2002-04-12 | Ic card having lighting element |
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| Country | Link |
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| KR (1) | KR20030081577A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1011555A (en) * | 1996-06-25 | 1998-01-16 | Hitachi Ltd | Information ic card |
| JPH11144014A (en) * | 1997-11-10 | 1999-05-28 | Hitachi Ltd | Noncontact ic card |
| JPH11259619A (en) * | 1998-03-13 | 1999-09-24 | Toshiba Corp | Noncontact type information processing medium, deciding method for operation state in the same noncontact information processing medium, noncontact card and deciding method for operation state in the same noncontact card |
| JP2000194808A (en) * | 1998-12-24 | 2000-07-14 | Dainippon Printing Co Ltd | Ic card |
-
2002
- 2002-04-12 KR KR1020020019874A patent/KR20030081577A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1011555A (en) * | 1996-06-25 | 1998-01-16 | Hitachi Ltd | Information ic card |
| JPH11144014A (en) * | 1997-11-10 | 1999-05-28 | Hitachi Ltd | Noncontact ic card |
| JPH11259619A (en) * | 1998-03-13 | 1999-09-24 | Toshiba Corp | Noncontact type information processing medium, deciding method for operation state in the same noncontact information processing medium, noncontact card and deciding method for operation state in the same noncontact card |
| JP2000194808A (en) * | 1998-12-24 | 2000-07-14 | Dainippon Printing Co Ltd | Ic card |
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