WO2006123735A1 - Système et méthode d’enregistrement de données de contenu - Google Patents

Système et méthode d’enregistrement de données de contenu

Info

Publication number
WO2006123735A1
WO2006123735A1 PCT/JP2006/309915 JP2006309915W WO2006123735A1 WO 2006123735 A1 WO2006123735 A1 WO 2006123735A1 JP 2006309915 W JP2006309915 W JP 2006309915W WO 2006123735 A1 WO2006123735 A1 WO 2006123735A1
Authority
WO
WIPO (PCT)
Prior art keywords
content data
memory
area
communication terminal
program
Prior art date
Application number
PCT/JP2006/309915
Other languages
English (en)
Japanese (ja)
Inventor
Motoyasu Tanaka
Takashi Matsutani
Original Assignee
Megachips Corporation
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 Megachips Corporation filed Critical Megachips Corporation
Priority to JP2006519688A priority Critical patent/JPWO2006123735A1/ja
Publication of WO2006123735A1 publication Critical patent/WO2006123735A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2129—Authenticate client device independently of the user
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/14—Details of telephonic subscriber devices including a card reading device

Definitions

  • the present invention relates to a technique for recording content data such as music data and video data in a memory.
  • a user uses a personal computer or mobile phone to access a website and obtain a list of content data. Then, when the user selects a desired content in the list, the corresponding data is downloaded to the user's terminal.
  • a mobile phone In order to use such a system, a mobile phone is very convenient and actually used in many cases. In particular, along with improvements in mobile phone functions, it has become possible to play back high-quality ringtones and high-resolution, high-frame-rate moving images, and it is a great way to enjoy high-quality content on mobile phones. It is becoming common.
  • the memory capacity of a mobile phone is small compared to a terminal such as a personal computer. Therefore, the user needs to download the content data while paying attention to the memory capacity. For example, there are many situations where there is content that you want to obtain very much, but the memory is already low, and you give up downloading. The method of freeing up the memory area by deleting previously downloaded content data for a fee would be resistant. Power to purchase new memory Media such as flash memory is not cheap. Therefore, you can't expect users to buy as many memories as they need. This situation is inconvenient for users, and has the disadvantage that content providers miss out on sales opportunities.
  • an object of the present invention is to provide a system that enables a user to promote content acquisition.
  • the first invention is permitted to record a communication terminal force in which a memory in which content data supplied and recorded by the content data provider is limited is installed. Accessing the server that stores the stored content data, the step of downloading the content data that the communication terminal permits from the server, and the permission at the communication terminal. And the step of recording the stored content data in the memory.
  • a communication terminal in which a memory provided with a content data which is supplied and recorded by a provider of content data and in which the memory is limited downloads a program from Sano,
  • the memory authenticates that the downloaded content data is recorded in the memory
  • the communication terminal downloads content data from the server when the memory is authenticated by the memory
  • a third invention is the content data recording method according to the first or second invention, wherein the memory is distributed free of charge by the provider and can be recorded in the memory. Content data is charged by downloading content data to the communication terminal.
  • a fourth invention is the content data recording method according to any one of the first to third inventions, wherein the memory includes a first area in which data can be written only once. The downloaded content data is written in the first area.
  • a fifth invention is the content data recording method according to the fourth invention, wherein the memory includes a second area into which data can be written a plurality of times, and is written in the first area Rights information power to control access rights to content data Written in the second area and the memory permits access to content data only when the rights information is recorded in the second area It is characterized by doing.
  • a sixth invention is the content data recording method according to the fifth invention, wherein the content data in the memory protected by copyright is used in another recording medium in the first area. The content data is copied to the other recording medium, and the right information in the second area is moved to the other recording medium.
  • a seventh invention is a system for recording content data in a memory, comprising a communication terminal in which the memory is mounted, and a server, wherein the memory is supplied by a provider of content data, Content data that can be recorded is limited, and the server includes a means for storing content data that is permitted to be recorded in the memory, and the communication terminal accesses the server. Means for downloading the content data permitted from the server, and means for recording the content data permitted in the memory.
  • An eighth invention is a system for recording content data in a memory, comprising a communication terminal to which the memory is mounted, and a server, wherein the memory is supplied by a provider of content data, Content data that can be recorded is limited, and the server includes means for storing content data and a program for downloading the content data, and the communication terminal receives the program from the server. And a means for authenticating that content data to be downloaded by the program is recorded in the memory, and the communication terminal is further configured by authenticating the program. , Execute the program, down the server power content data Wherein the means for over-de, and means for recording the content data downloaded into the memory, in that it comprises.
  • a ninth invention is the content data recording system according to the seventh or eighth invention.
  • the memory is distributed free of charge by the provider, and the content data that can be recorded in the memory is downloaded to the communication terminal and charged for the content data. It is characterized by that.
  • a tenth invention is the content data recording system according to any of the seventh to ninth inventions, wherein the memory includes a first area in which data can be written only once, and has been downloaded. Content data is written in the first area.
  • An eleventh invention is the content data recording system according to the tenth invention, wherein the memory includes a second area into which data can be written a plurality of times, and the first area is written to The right information power for controlling the access right to the stored content data is written in the second area, and the memory accesses the content data only when the right information is recorded in the second area. It is characterized by permission.
  • a twelfth invention is the content data recording system according to the eleventh invention, wherein the content data in the memory protected by copyright is used in another recording medium. Content data in the area is copied to the other recording medium, and the right information in the second area is moved to the other recording medium.
  • the present invention uses a memory that is supplied by a content data provider and has limited content data that can be recorded, and downloads permitted content data from the server and stores it in the memory. To do. Therefore, the content data provider can promote the sales of the content data.
  • the content data provider distributes the memory for recording the content data free of charge, the user can download and record the content data without purchasing expensive memory. Is possible. This also enables the content data provider to further promote the sales of the content data.
  • the memory provided by the content data provider is a memory in which data can be written only once, the content data provider can reduce the cost of providing the memory.
  • FIG. 1 is an overall view of a content data recording system.
  • FIG. 2 is a functional block diagram of a mobile phone.
  • FIG. 3 is a block diagram of a server of a content provider site.
  • FIG. 4 is a diagram showing a flow from acquisition of OTP memory to access to a content provider.
  • FIG. 5 is a flowchart showing a method of recording content data in the memory.
  • FIG. 1 is an overall view of a content data recording system that is relevant to an embodiment of the present invention.
  • This system records content data stored in content provider site 1 (hereinafter abbreviated as CP site 1) in OTP (One-time programmable) memory 5 attached to mobile phone 4.
  • CP site 1 content provider site 1
  • OTP One-time programmable
  • This system is composed of a network 2 including the Internet and a mobile phone network, a CP site 1 connected to the network 2, a mobile phone 4 and the like.
  • CP site 1 is a site operated by a company that produces music data, video data, game programs, etc., or a company that sells such data, and is connected to the Internet etc. via network 2 Provide a service that provides such data as downloaded content to the terminal.
  • the content provider (providing company) that operates CP site 1 distributes OTP memory 5 at general dealers 6 and the like.
  • OTP memory 5 is distributed at toy sales points and CD stores.
  • the content provider sells the content at the actual store separately from the download service, and distributes the OTP memory 5 at the store 6.
  • the content provider only provides download services using the network, and other toys that are affiliated. Distribute OTP memory 5 only at retail stores and convenience stores.
  • the OTP memory 5 distributed by the content provider is configured so that only content data provided by the content provider distributing the OTP memory 5 can be written.
  • Content providers distribute this OTP memory 5 free of charge or at a very low cost. Therefore, at the store 6, the user can obtain the OTP memory 5 free of charge or at a very low cost, and the content data downloaded from the CP site 1 operated by the content provider is stored in the OTP memory 5. It becomes possible to record.
  • the content provider distributes the OTP memory 5 at no cost or at a low cost, and the content provider has a cost to distribute the memory.
  • This is a memory that can only be written, and is much cheaper than a memory that can rewrite data multiple times, such as a general flash memory, so that the cost burden can be reduced.
  • OTP memory is limited to MTP (Multi-time programmable) memory, such as general flash memory, by limiting the number of rewrites to one to ensure reliability to guarantee the number of rewrites multiple times. Therefore, it is generally possible to manufacture and supply at low cost.
  • the user acquires the OTP memory 5 free of charge or at a very low cost.
  • this OTP memory 5 can only write content data supplied from the content provider, It can encourage the purchase of content data provided by the provider.
  • FIG. 2 is a diagram showing functional blocks of the mobile phone 4 and the OTP memory 5.
  • the cellular phone 4 includes an antenna 411 and a communication unit 412, and performs communication for transmission and reception of voice and data with the cellular phone base station 3 (illustrated in FIG. 1). Note that the portion configured by the antenna 411 and the communication unit 412 can be regarded as a means for accessing a server (the server will be described later).
  • the CPU 413 is a central processing unit that performs overall control of the mobile phone 4 and executes programs stored in the RAM 414, the ROM 416, or other media.
  • R AM414 is used as a temporary storage area for programs and content data. Used as a buffer area when the PU 413 executes a program.
  • the audio processing unit 418 has a function of compressing the audio input from the microphone 419 and a function of expanding the audio signal and outputting it to the speaker 420.
  • the monitor 415 displays various information such as images, telephone numbers, and emails.
  • the card IF (interface) circuit 417 is an interface between the OTP memory 5 and other storage media (general flash memory, etc.).
  • the CPU 413 can access the memory via the card IF circuit 417 by inserting the OTP memory 5 or other recording medium into the memory card slot (not shown) provided in the device body of the cellular phone 4 It is.
  • the portion composed of CPU 413, RAM 414, ROM 416, and card IF circuit 417 can be regarded as a means for recording permitted content data in memory, and means for recording downloaded content data in memory. Can be considered.
  • the image processing unit 421 executes a compression process on the image data input by the camera 422 and a decompression process of the image data output to the monitor 415.
  • the OTP memory 5 includes a secure IF (interface) circuit 51 and a memory core 52.
  • the secure IF circuit 51 is a circuit for restricting data writing to the memory core 52.
  • the secure IF circuit 51 stores HD information (authentication information) in its internal register 511, and only when the program that is trying to execute the data write process has the same I blueprint, It has the function to permit writing and to allow write command to the memory core 52.
  • the HD information stored in the register 511 may be encrypted.
  • the program that attempts to write data must have the same ID information and also have encryption logic to decrypt the HD information stored in register 511. There is.
  • the OTP memory 5 is a memory in which data can be written only once in the same area, it is impossible to write new data in the area where data has been written once. However, it may be possible to delete data. Therefore, as long as there is free space in the memory core 52, it is possible to write data to the free space additionally, but from the point of time when there is no free space, the OTP memory 5 Used like a ROM with content stored It is.
  • FIG. 3 is a block diagram of the server 10 provided at the CP site 1.
  • Server 10 is composed of, for example, a PC server.
  • the server 10 includes a communication unit 11 and performs communication processing with the network 2.
  • the CPU 12 is a central processing unit that performs overall control of the server 10.
  • a storage unit 13 such as a hard disk stores a program 100 and a large number of content data 110.
  • the program 100 is a program downloaded by the mobile phone 4 and executed on the mobile phone 4, and is a program for downloading the content data 110 from the CP site 1.
  • This program 100 is stored in the register 511 of the OTP memory 5 to receive authentication from the OTP memory 5, and includes the same ID information as that!
  • ID information stored in the OTP memory 5 is encrypted, information on the encryption port is included. Downloaded information and cryptographic logic information
  • the part composed of the CPU 413, RAM 414, and ROM 416 is executed by means of downloading content data permitted by Sano, or by means of downloading a program from Sano, or when the program is authenticated. It can be regarded as a means of downloading content data from Sano.
  • FIG. 4 shows an operation procedure by the user until the program 100 is downloaded
  • FIG. 5 is a flowchart showing a flow of processing for downloading the content data 110 by the program 100.
  • the user acquires the OTP memory 5 at the store 6 shown in FIG. 1 (step A).
  • the content provider distributes the OTP memory 5 free of charge or at a very low price (inexpensive compared to a general MTP memory, for example, a flash memory) in order to promote sales of its own content.
  • the user inserts the OTP memory 5 into the memory slot of the mobile phone 4 (step B ) o Since the mobile phone 4 is used, the user can use the OTP memory 5 immediately after acquiring the OTP memory 5 at the store 6, and can select the time and place. OTP memory 5 can be used.
  • CP site 1 is generally constructed as a website, and the user accesses CP site 1 by specifying a URL.
  • the URL may be specified by a key input operation, but it is more convenient to use a QR code.
  • the content provider distributes the OTP memory 5 at the store 6, the content provider may distribute a flyer on which the QR code for accessing the CP site 1 is printed. Or you can print the QR code on the case of OTP memory 5.
  • the program 100 is downloaded from the CP site 1 to the mobile phone 4 (step D).
  • the program 100 is stored in the RAM 414 of the mobile phone 4 and then executed by the CPU 413.
  • the program 100 displays a list of contents on the monitor 415 (step Sl l). For example, a song name list, image name list, game program name list, etc. are displayed.
  • the program 100 waits for a user operation input.
  • Step S12 When an operation for selecting specific content is input (Yes in step S12), the program 100 outputs HD information to the OTP memory 5. Then, in the secure IF circuit 51 of the OTP memory 5, the authentication process of the I blueprint is performed. That is, the ID information given from the program 100 is compared with the ID information stored in the register 511 (step S13). When the HD information matches, the secure IF circuit 51 validates the write command generated by the program 100 and permits the write processing to the memory core 52.
  • the program 100 gives the encryption logic information to the secure IF circuit 51 together with the HD information. Then, the secure IF circuit 51 is stored in the register 511 based on the acquired cryptographic logic information! Then, the information is decrypted, and the decrypted information is verified against the information given by the program loo.
  • the program 100 Upon being authenticated by the OTP memory 5, the program 100 accesses the CP site 1 and downloads the selected content data from the servo 10 (step S14). If the OTP memory 5 fails to authenticate, the process is stopped. Therefore, the program 100 receives a response from the secure IF circuit 51 about whether or not authentication is possible. However, since this program 100 is a program prepared for downloading the content data 110, normally, authentication is normally received from the OTP memory 5 in step S13. Characteristically, this OTP memory 5 cannot write data even if other programs are used. In other words, through the operation of step S13 by the program 100, the secure IF circuit 51 permits the write processing to the memory core 52. However, when other programs are used, the secure IF circuit 51 No write command is allowed. As a result, only the content data 110 supplied by the content provider can be written into the OTP memory 5 distributed by the content provider.
  • the program 100 When the content data 110 is downloaded, the program 100 writes the data in the OTP memory 5 (step S15). That is, the generated write command for the memory core 52 is effectively processed by the secure IF circuit 51 by the program 100, and the writing process for the memory core 52 is executed.
  • the program 100 displays a message on the monitor 415 as to whether to end or continue the process (step S16).
  • an end instruction is given by the user's key operation, the program 100 ends the process.
  • the content list is displayed again and the same processing as described above is repeated.
  • payment processing is performed at CP site 1 and billing processing for the user is performed.
  • the user can acquire the OTP memory 5 at no cost or at low cost, and is incorporated in the mobile phone 4. Without worrying about the capacity of the memory Data can be stored. Even if you have a general MTP memory (flash memory, etc.) that can be attached to and removed from the mobile phone 4, such memory should be reserved for storing captured images, etc. If it is stored in the OTP memory 5, it is very convenient for the user. In other words, the user needs to purchase a new expensive flash memory to purchase the content data. And, by improving convenience for users, it is inevitably possible to promote downloading of content data, and while distributing OTP memory 5 free of charge or cheaply, content providers can Profits can be secured by downloading content data.
  • MTP memory flash memory, etc.
  • the OTP memory 5 holds the HD information for authentication.
  • a method for determining whether or not the OTP memory 5 has the power to permit data writing is described below. It is not limited to the method.
  • One application example is a service for registering a user who has purchased a paid OTP memory 5 as a user.
  • the user who has been registered is registered at the CP site 1 by accessing the CP site 1 and storing the content data in the OTP memory 5 by following the same procedure as in the above embodiment. It manages the number of user downloads and the download price (purchase price). And, for users who exceed a certain number of downloads or download prices, a discount service for content data is provided.
  • Another application example is a service for distinguishing downloadable content data between a user who has a free OTP memory 5 and a user who has a paid OTP memory 5.
  • a user who has paid OTP memory 5 can download all the content data stored in CP site 1.
  • a user who has free OTP memory 5 has some content data. It is a service that allows only downloading.
  • step C of Fig. 4 in order to access CP site 1, a QR code or key input operation was performed.
  • an area that can be freely accessed in the OTP memory 5 that is, an area without security
  • a program for accessing the CP site 1 is stored in this area. Also good.
  • the user can easily access the CP site 1 simply by inserting the OTP memory 5 into the mobile phone 4. Furthermore, if this program is set so that it can be started automatically, it is convenient.
  • the user can download content data without purchasing expensive memory.
  • the number of OTP memories 5 increases as the user obtains a new OTP memory 5 and repeats downloading.
  • the content data stored in the plurality of OTP memories 5 is moved to the built-in memory of the mobile phone 4! /, And! /.
  • V / V may be requested to extract favorite content data from content data stored in a plurality of OTP memories 5 and move it to the built-in memory!
  • the right information is moved to the OTP memory 5 and the content data in the built-in memory is deleted.
  • the content data in the OTP memory 5 can be used again, and the memory area is not wasted. In this way, user convenience and copyright protection can be ensured.
  • a small amount of rewritable area (area where data can be written multiple times) for managing copyright right information is provided in the OTP memory 5.
  • the content data can be written to the OTP memory 5 only once.
  • the data can be written multiple times. It has a small amount of area.
  • a mobile phone is used as a terminal for downloading content data
  • a terminal such as a personal digital assistant (PDA) may also be used.
  • PDA personal digital assistant
  • the power to use the OTP memory that can write data only once as the memory for writing the content data. This is because the content provider can distribute the memory at a lower cost.
  • An MTP memory that can rewrite data multiple times may be used. If the cost of the MTP memory is reduced in the future and it can be provided free of charge or at a low cost, it is possible to obtain the same effect as the above embodiment.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Multimedia (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Telephonic Communication Services (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

Il est possible de promouvoir le téléchargement de données par un utilisateur dans un système de téléchargement de données de contenu au moyen d’un réseau. L’utilisateur insert une mémoire OTP (5) fournie par un magasin (6) dans une fente d’un téléphone mobile (4) et accède à un site CP (1). Lorsqu’un programme est téléchargé du site CP (1), une liste de contenus s’affiche sur un moniteur du téléphone mobile (4). Lorsqu’un utilisateur sélectionne un contenu particulier, la mémoire OTP (5) authentifie le programme. Lorsque l’authentification du programme est terminée, le contenu sélectionné est téléchargé et écrit dans la mémoire OTP (5).
PCT/JP2006/309915 2005-05-19 2006-05-18 Système et méthode d’enregistrement de données de contenu WO2006123735A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006519688A JPWO2006123735A1 (ja) 2005-05-19 2006-05-18 コンテンツデータ記録方法およびシステム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-146706 2005-05-19
JP2005146706 2005-05-19

Publications (1)

Publication Number Publication Date
WO2006123735A1 true WO2006123735A1 (fr) 2006-11-23

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JP (1) JPWO2006123735A1 (fr)
WO (1) WO2006123735A1 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN101409824B (zh) * 2007-10-12 2011-12-28 中兴通讯股份有限公司 点播片源的在线采购系统和方法
JP2013530439A (ja) * 2010-04-30 2013-07-25 ス―ヒュン カン， 通信網を用いたコンテンツのサービス方法、会員情報提供サービスシステム及び方法

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JP2003271458A (ja) * 2002-03-12 2003-09-26 Tdk Corp コンテンツ配信システムおよび、これに用いるコンピュータプログラム、記録媒体、端末装置、およびサーバ
JP2004102698A (ja) * 2002-09-10 2004-04-02 Ntt Docomo Inc ダウンロード方法、領域管理装置、携帯通信端末、プログラムおよび記録媒体
JP2005078213A (ja) * 2003-08-28 2005-03-24 Sony Corp 課金情報管理システム、課金情報管理信方法、及び情報処理装置
JP2005100447A (ja) * 2004-11-05 2005-04-14 Akihiko Tashiro コンテンツの配信方法、コンテンツの記録に利用する商品、およびシステム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001014221A (ja) * 1999-04-27 2001-01-19 Victor Co Of Japan Ltd コンテンツ情報記録方法及びコンテンツ情報記録装置
JP2003271458A (ja) * 2002-03-12 2003-09-26 Tdk Corp コンテンツ配信システムおよび、これに用いるコンピュータプログラム、記録媒体、端末装置、およびサーバ
JP2004102698A (ja) * 2002-09-10 2004-04-02 Ntt Docomo Inc ダウンロード方法、領域管理装置、携帯通信端末、プログラムおよび記録媒体
JP2005078213A (ja) * 2003-08-28 2005-03-24 Sony Corp 課金情報管理システム、課金情報管理信方法、及び情報処理装置
JP2005100447A (ja) * 2004-11-05 2005-04-14 Akihiko Tashiro コンテンツの配信方法、コンテンツの記録に利用する商品、およびシステム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101409824B (zh) * 2007-10-12 2011-12-28 中兴通讯股份有限公司 点播片源的在线采购系统和方法
JP2013530439A (ja) * 2010-04-30 2013-07-25 ス―ヒュン カン， 通信網を用いたコンテンツのサービス方法、会員情報提供サービスシステム及び方法

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