WO2002086809A1 - Module de circuit integre composite comprenant un disque d'enregistrement et procede d'enregistrement/reproduction de donnees - Google Patents

Module de circuit integre composite comprenant un disque d'enregistrement et procede d'enregistrement/reproduction de donnees Download PDF

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Publication number
WO2002086809A1
WO2002086809A1 PCT/JP2002/003814 JP0203814W WO02086809A1 WO 2002086809 A1 WO2002086809 A1 WO 2002086809A1 JP 0203814 W JP0203814 W JP 0203814W WO 02086809 A1 WO02086809 A1 WO 02086809A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
recording
module
composite
recording disk
Prior art date
Application number
PCT/JP2002/003814
Other languages
English (en)
Japanese (ja)
Inventor
Kunitaka Arimura
Yasuaki Sakamoto
Original Assignee
Smart Card Co., Ltd.
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 Smart Card Co., Ltd. filed Critical Smart Card Co., Ltd.
Priority to JP2002584252A priority Critical patent/JPWO2002086809A1/ja
Publication of WO2002086809A1 publication Critical patent/WO2002086809A1/fr

Links

Classifications

    • 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
    • G06K19/04—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
    • G06K19/041—Constructional details
    • G06K19/042—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD
    • G06K19/044—Constructional details the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD comprising galvanic contacts for contacting an integrated circuit chip thereon
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/03—Containers for flat record carriers
    • G11B23/0301—Details
    • G11B23/0302—Auxiliary features
    • G11B23/0305—Semiconductor memories

Definitions

  • the present invention relates to a composite I c module having a recording disk having a security function in which an I c for setting and reading data by setting the data in an external device and a recording disk are integrated and a data recording / reproducing method.
  • the memory capacity of IC chips that can be inexpensive at present is about 64 kbit, and the maximum is 256 kbit to 1 Mbit. Data security must be ensured.
  • the present invention is applied to various uses such as a resident's card, an insurance card, a health certificate, a passport, a driver's license, a bank balance sheet, a manuscript, an article, a map, and music. So that more data can be recorded and the security of data and information can be protected. It is an object of the present invention to provide a composite IC module having a large-capacity recording disk and a data recording / reproducing method. Disclosure of the invention
  • the invention described in claim 1 integrates an Ic including at least a memory and a CPU with a recording disk from which data can be read and / or written by an external device. It is characterized by being modularized.
  • the invention described in claim 2 is characterized in that the recording disk uses a recording medium capable of reading and / or writing data by magnetic means or Z or writable.
  • the invention described in claim 3 is characterized in that the recording disk uses a recording medium that can read and / or write data by optical means.
  • the invention described in claim 4 is characterized in that the invention is configured in a card form such as a cash card, a credit card or the like.
  • the invention described in claim 5 is characterized in that it has a magnetic stripe that can read and write or write data by an external device.
  • the invention described in claim 6 includes a 1C including at least a memory and a CPU according to any one of claims 1 to 5, reading of data by an external device and / or A method for reading and / or writing data from / to a composite IC module in which the module is integrated with a writable recording disk, wherein a public key having a large data amount is recorded on the recording disk. The secret key is recorded in the locked IC.
  • the invention described in claim 7 is characterized in that information with low security is recorded on the recording disk, and information with a high security requirement is recorded on the IC.
  • the invention described in claim 8 is characterized in that an algorithm and a function for encrypting and decrypting data are recorded on the IC, and the encrypted data is recorded on the recording disk.
  • the invention according to claim 9 is characterized in that data recorded on the recording disk is encrypted, and an OS (operating system) for reading and writing the encrypted data is recorded on the IC.
  • the invention according to claim 10 is characterized in that data having a large amount of information such as a central image is recorded on the recording disk.
  • the invention described in claim 11 is characterized in that data requiring confidentiality is recorded in the table C.
  • FIG. 1 is a perspective view showing an IC card using a flexible disk according to a first embodiment of the present invention
  • FIG. 2 is a state in which the IC card shown in FIG.
  • FIG. 3 is a sectional view of the IC card shown in FIGS. 1 and 2
  • FIG. 4 is a perspective view of the IC card according to the second embodiment of the present invention.
  • FIG. 5 is a perspective view of an IC card according to a third embodiment of the present invention
  • FIG. 6 is a perspective view of an IC card according to a fourth embodiment of the present invention.
  • FIG. 7 is a perspective view showing the front side of the IC card according to the fifth embodiment of the present invention
  • FIG. 8 is a view taken along the line BB of the IC card shown in FIG.
  • FIG. 9 is a perspective view showing a state in which the IC card shown in FIG. 5 is divided into upper and lower parts
  • FIG. 10 is a sectional view of the present invention.
  • FIG. 11 is a perspective view of an IC card according to an embodiment
  • FIG. 11 is a perspective view of an IC card according to a seventh embodiment of the present invention
  • FIG. FIG. 13 is a perspective view showing the IC card according to the embodiment in a state in which the IC card is split vertically
  • FIG. 13 is a cross-sectional view showing a welded state of the upper and lower portions of the IC card shown in FIGS. 6 to 7
  • FIG. 14 is an explanatory view showing that a read-Z write can be performed by using the IC card shown in FIGS.
  • FIG. 15 is a view showing the present invention.
  • FIG. 16 is an explanatory diagram relating to encryption of a data recording / reproducing method of a 1C card according to the first to eighth embodiments.
  • FIG. 16 is a diagram showing data recording of an IC card according to the first to eighth embodiments of the present invention.
  • FIG. 17 is an explanatory diagram relating to confidentiality of a reproducing method.
  • FIG. 17 is an explanatory diagram relating to an algorithm and a function of a data recording / reproducing method of an IC card according to the first to eighth embodiments of the present invention.
  • FIG. 18 is an explanatory diagram showing an OS of the data recording / reproducing method of the IC card according to the first to eighth embodiments of the present invention.
  • FIG. 19 is a diagram showing the OS of the present invention.
  • FIG. 20 is an explanatory diagram relating to the security of the data recording / reproducing method of the IC card according to the first to eighth embodiments.
  • FIG. 20 shows the data recording of the IC card according to the first to eighth embodiments of the present invention.
  • FIG. 4 is an explanatory diagram of cross-correlation of reproduction methods. BEST MODE FOR CARRYING OUT THE INVENTION
  • FIG. 1 is a perspective view of an IC card according to the first embodiment.
  • FIG. 1 (a) shows the front side of the IC card
  • FIG. 1 (b) shows the back side thereof.
  • Reference numeral 1 denotes the body of the IC card, which has a size and shape conforming to the standard applied to general IC cards.1
  • the flexible disk Equivalent, for example, a disk-shaped disk having a magnetic recording layer provided on the surface of a polyethylene phthalate film 6 Forces are housed rotatably around its axis.
  • FIG. 1 (b) on the back side of the IC card body 1, a circular window in which the hub 6-1 provided at the center of the disc 6 is located, and the magnetic recording of the recording disc 6 is performed.
  • a head window 10 is formed on the layer for a magnetic head (not shown) to access.
  • the knob 6-1 has a center hole 6_2 provided at the center thereof, and an engagement hole 6-3 which engages with an external drive mechanism, and has a predetermined speed around the center hole 6-2. Is to be rotated.
  • the head window 10 is shown as open for simplicity, Like a general flexible disk, it is desirable to provide a shutter that is normally held in the closed position and released when writing and reading.
  • an IC chip 3 is embedded in the card body 1, and a terminal 2 for exchanging signals between the chip and an external device is provided on the front side.
  • the exchange of information with the 1C chip 3 is performed by inserting the card into a card slot of an external information processing device (not shown).
  • the IC chip 3 stores preset identification information of the card holder and various information selected according to the purpose of use of the IC card.
  • the information processing device has an interface for exchanging various information with the 1C chip 3 mounted on the IC card 1 via a terminal electrically contacting the terminal 2 of the IC card 1. Have.
  • the exchange of information with the disk 6 can be performed by an adapter and a general-purpose device described later.
  • the information recorded on the flexible disk 6 can be read relatively easily because the magnetic surface is exposed, whereas the information recorded on the IC chip 3 can be read by a physical method. It is excellent in confidentiality because it cannot be done.
  • the recording capacity the memory capacity of the IC chip 3 that can be reduced at present is about 64 kbit as described above, and at most
  • the provision of the magnetic recording disk 6 increases the amount of data that can be recorded on the IC card 1 and its applications.
  • ICs are controlled by the confidentiality and amount of information to be recorded. Record separately for Chip 3 and Disk 6. For example, information that requires confidentiality is recorded on the IC chip 3, and information that is not confidential, data with a large amount of information such as video, or data with a large amount of information that requires confidentiality is encrypted and recorded on the disk 6. The algorithm and function for decrypting and encrypting this are recorded on the IC chip 3. Such a recording method By enforcing the law, a large amount of information can be recorded with security secured. Further, the data encoded and encrypted on the recording disk 6 and the data recorded on the IC chip 3 are recorded with a correlation corresponding to the respective recordings. Security can be enhanced.
  • FIG. 2 is a perspective view showing details of the structure of the IC card shown in FIG. 1 and showing a state in which the card is split up and down.
  • FIG. 2 (a) shows the upper cover 112 of the card body from the outer surface side
  • FIG. 2 (b) shows the inside of the lower cover 111 of the card body.
  • the yule appears, the lower lid 1-1 has a recess 3-1 for receiving a chip, and the flexible disk 6 is fitted into the disk recess 6-5.
  • FIG. 3 is a cross-sectional view of the IC card shown in FIGS.
  • FIG. 2 is a cross-sectional view of a portion of the card in which the IC chip 3 and the flexible disk 6 are accommodated, as viewed along the line AA in FIG. 1 (a).
  • FIG. 4 is a perspective view of a PC card according to the second embodiment.
  • Fig. 4 (a) shows the front side of the IC card
  • Fig. 4 (b) shows the back side.
  • a coil 4 for transmitting and receiving signals in a non-contact manner is provided, and a head window 10 and a disc hub 6-1 are fitted.
  • a magnetic stripe 5 that is readable and writable by an external device is provided on the side where holes 6-4 are formed.
  • FIG. 5 is a perspective view of an IC card according to the third embodiment.
  • Fig. 5 (a) shows the front side of the IC card
  • Fig. 5 (b) shows the back side.
  • a magnetic stripe 5 is provided on the back side, and instead of the flexible disk 6 shown in FIGS. 1 to 4, glass or plastic such as polycarbonate is used.
  • a disk-shaped DVD disk 7 made of a material for optical recording is accommodated rotatably about its axis.
  • a window 10 for accessing the DVD disk 7 is provided on the back side.
  • the disk-shaped DVD disk for optical recording and the compact disk 9 described later have a recording medium surface exposed similarly to the magnetic recording medium disk 6 described in the first and second embodiments.
  • FIG. 6 is a perspective view showing the front side of the IC card according to the fourth embodiment.
  • a disc-shaped DVD disk for optical recording made of glass or plastic material such as polycarbonate 7 Force is rotatably received with its axis as the center Have been.
  • a thin transparent sheet for protecting the DVD disk 7 is provided instead of the window shown in FIG. 5 (b).
  • FIG. 7 is a perspective view showing a front side of an IC card according to a fifth embodiment. This is almost the same as the fourth embodiment shown in FIG. 6, but is a module in which an IC chip 3 and a coil 4 that read and write data by contact or non-contact coupling are integrally configured. Is incorporated.
  • FIG. 8 is a cross-sectional view of the IC card shown in FIG. 7 along the line BB.
  • a contact type / non-contact type synthesizing module comprising a contact terminal 2, an IC chip 3 and a non-contact coil 4 is inserted on the left side, and a DVD disk 7 is inserted on the right side.
  • the cross section is not the same position because the module position and the disk position are different, but they are drawn as the same cross section for explanation.
  • FIG. 9 is a perspective view showing a state in which the IC card shown in FIG. 5 is split vertically. However, instead of the contact terminal 2 shown in FIG. 5, a contact type / contact type combined module is drawn, and a magnetic stripe is not drawn.
  • Fig. 9 (a) shows the front side of the card body upper cover 112
  • Fig. 9 (b) shows the inner surface of the card body lower cover 1-1, where the recess for accommodating the DVD disk 7 is provided. It is provided. At the center of the recess, a through hole is provided to allow the disk drive of the external device to rise.
  • FIG. 10 is a perspective view of an IC card according to the sixth embodiment.
  • FIG. 10 (a) shows the front side of the IC card
  • FIG. 10 (b) shows the back side thereof.
  • a sealed hard disk 8 for magnetic recording is accommodated.
  • FIG. 11 is a perspective view of an IC card according to the seventh embodiment.
  • FIG. 11 (a) shows the front side of the IC card
  • FIG. 11 (b) shows the back side thereof.
  • Figures 1 to 3 Instead of the flexible disk 6 shown in the figure, a disk-shaped compact disk (CD) 9 for optical recording is accommodated rotatably about its axis.
  • CD compact disk
  • FIG. 12 is a perspective view showing a state in which an IC card according to the eighth embodiment is divided into upper and lower parts, showing a structure in which a DVD disc can be easily taken out from the card and read and written.
  • Fig. 2 (a) shows a structure in which a plastic frame is pulled out and a disk is taken out in almost the same way as attaching and detaching a coin-shaped battery
  • Fig. 12 (b) shows a structure in which a shaft 11 is provided at the corner and rotated to take out. . In the case of using another disk, almost the same configuration can be applied.
  • FIG. 13 is a cross-sectional view showing the welded state of the upper and lower portions of the 1C card shown in FIGS. 6 to 8.
  • the transparent plastic 113 is inserted into a part of a case 111 made of ABS resin or the like by insert molding or the like, so that light can be transmitted.
  • Fig. 13 (a) shows the state before ultrasonic welding
  • Fig. 13 (b) shows the state where the upper and lower parts of the IC card are welded and the DVD 7 is housed in the case. ing. Ultrasonic welding of IC cards also applies to other discs.
  • the force at which the hole for holding the disc is provided at the center is not necessarily required to rotate the disc itself, and the disc information can be read by rotating the sensor side. is there.
  • FIG. 14 shows a case where the IC card shown in FIGS. 1 to 4 is inserted into a standard read / write device 22 to perform writing and reading
  • FIG. 14 (a) In the case of using a slot equivalent to a 2-inch FD (flexible disk), writing and reading can be performed by using an adapter 12 that matches the size of the slot 23 of the device.
  • Fig. 14 (b) shows an adapter for writing / reading using a 3-inch FD slot. Shutters are provided on these adapters 12 in accordance with the read / write device 22 as well.
  • FIG. 15 is an explanatory diagram relating to encryption of the data recording / reproducing method of the IC card according to the first to eighth embodiments.
  • Secret key b is hidden in public key a fc RSA Security RSA
  • the encrypted content d is completely unknown. This is used for simple authentication, but can also be used for encryption.
  • the encrypted content d can be decrypted only with the secret key b. Therefore, the public key a is open to the public, and is put on a disk because there is an opportunity for anyone to see it. That is, the public key a is information that may be recorded on the disk.
  • the decryption method (decryption method-conditions and functions that become decompression means) and the secret key b must not be passed on to other people's hands, and it is more reasonable to store and record on an IC chip equipped with the key. It is safe. Also, since the public key a contains the secret key b, the number of bits increases, so it is effective to record it on the disk side that can record a large amount of data.
  • FIG. 16 is an explanatory diagram relating to the confidentiality of the data recording / reproducing method of the IC card according to the first to eighth embodiments.
  • the content e recorded on the disk 13 such as a flexible disk, DVD, hard disk, and compact disk is relatively insensitive data, and the content and data f recorded on the IC chip 3 must be highly confidential.
  • Key g is locked or encrypted.
  • i is an interface unit. In general, as shown in FIG. 16 (b), the interface corresponding to the disk 13 and the interface j corresponding to the 1C chip 3 are configured in different formats, respectively, and the interface i including both is used. Is connected to the interface ⁇ of the external device via.
  • FIG. 17 is an explanatory diagram relating to algorithms and functions of the data recording / reproducing method of the IC card according to the first to eighth embodiments.
  • the data e recorded on the disk 13 is encrypted k, which is not clearly divided as shown in the figure, but is written in this way for explanation here. Removing the encryption (decrypting) means that the original data e is restored.
  • the code or the data and the function as the basis of this cipher or the cipher are stored in the data f in the IC chip 3 with the key g.
  • the data recorded on the disk is simply converted. They are meaningless letters and numbers. Communication is enabled by the interface I corresponding to the IC chip 3 and the disk 13. Therefore, when writing to the disk 13, it is possible to write according to the encryption condition in the IC chip 3. Also, when reading the data placed on the disk 13, it is possible to use encrypted data in accordance with the conditions recorded on the IC chip 3. !
  • When reading and writing as a C card it communicates with an external interface n via communication software m.
  • FIG. 18 is an explanatory diagram relating to OS of a data recording / reproducing method of a PC card according to the first to eighth embodiments.
  • the content e recorded on the disc 13 cannot be read by a computer as it is.
  • the OS (operating system) power for reading this content is built into the IC chip 3, so the contents of the disk 13 cannot be read unless OS is awarded from the IC 'chip 3.
  • the secret key b may be embedded in the OS itself, or may be embedded as various other conditions, which will not be described in detail here.
  • FIG. 19 is an explanatory diagram showing the security of the data recording / reproducing method of the IC card according to the first to eighth embodiments.
  • FIG. 20 is an explanatory diagram of the correlation between the data recording and reproducing methods of the IC card according to the first to eighth embodiments.
  • the composite 1C module provided with the recording disk of the present invention to an IC card, the characteristics of the disk and the Ic chip (high-capacity recording of the disk and the security of the IC chip) Utilizing this makes it possible to use cards in various fields.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Credit Cards Or The Like (AREA)
  • Storage Device Security (AREA)

Abstract

L'invention concerne un module de circuit intégré comprenant un disque d'enregistrement à grande capacité constitué de manière à enregistrer une plus grande quantité de données, à protéger la sécurité des données et des informations, et un procédé d'enregistrement/reproduction de données. Un circuit intégré contenant au moins une mémoire et une unité centrale et un disque d'enregistrement pouvant lire et/ou réécrire des données à l'aide d'un dispositif externe sont intégrés dans un module. Une clé ouverte pour une grande quantité de données est enregistrée sur le disque d'enregistrement, et une clé secrète sur le circuit intégré verrouillé.
PCT/JP2002/003814 2001-04-17 2002-04-17 Module de circuit integre composite comprenant un disque d'enregistrement et procede d'enregistrement/reproduction de donnees WO2002086809A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002584252A JPWO2002086809A1 (ja) 2001-04-17 2002-04-17 記録ディスクを備えた複合ｉｃモジュール及びそのデータ記録・再生方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001118842A JP2005234609A (ja) 2001-04-17 2001-04-17 記録ディスクを備えた複合ｉｃモジュール及びそのデータ記録・再生方法
JP2001-118842 2001-04-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010041393A (ja) * 2008-08-05 2010-02-18 Sharp Corp 複合記憶媒体モジュール、端末装置、記憶再生システム
CN104951823A (zh) * 2015-06-30 2015-09-30 广州日滨科技发展有限公司 复合卡的管理方法及系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100946469B1 (ko) 2005-10-17 2010-03-10 샤프 가부시키가이샤 기록 장치, 기록 장치의 제어 방법, 및 기록 장치의 제어프로그램이 기록되어 있는 컴퓨터 판독 가능한 기록 매체

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08305810A (ja) * 1995-04-27 1996-11-22 Olympus Optical Co Ltd ハイブリッドカード処理装置
JPH10171961A (ja) * 1996-12-11 1998-06-26 N T T Data Tsushin Kk 記録媒体及び記録媒体処理装置
JP2000285592A (ja) * 1999-03-30 2000-10-13 Hitachi Ltd パッケージメディアおよび本人認証非接触ｉｃチップおよび再生装置および通信装置
JP3073375U (ja) * 2000-05-19 2000-11-24 泰佑 蘇 磁気条とｉｃチップを具えたマルチメディアカード

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08305810A (ja) * 1995-04-27 1996-11-22 Olympus Optical Co Ltd ハイブリッドカード処理装置
JPH10171961A (ja) * 1996-12-11 1998-06-26 N T T Data Tsushin Kk 記録媒体及び記録媒体処理装置
JP2000285592A (ja) * 1999-03-30 2000-10-13 Hitachi Ltd パッケージメディアおよび本人認証非接触ｉｃチップおよび再生装置および通信装置
JP3073375U (ja) * 2000-05-19 2000-11-24 泰佑 蘇 磁気条とｉｃチップを具えたマルチメディアカード

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010041393A (ja) * 2008-08-05 2010-02-18 Sharp Corp 複合記憶媒体モジュール、端末装置、記憶再生システム
CN104951823A (zh) * 2015-06-30 2015-09-30 广州日滨科技发展有限公司 复合卡的管理方法及系统
CN104951823B (zh) * 2015-06-30 2018-01-05 广州日滨科技发展有限公司 复合卡的管理方法及系统

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JPWO2002086809A1 (ja) 2004-09-24

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