JP2006324761A - Data distribution system, data distribution method, mobile terminal, and distribution server - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a data distribution system, a data distribution method, a mobile terminal, and a distribution server capable of downloading diversified data without the need for placing a limit on types of the data in the case of downloading data such as wall paper image data, ringer tone data and application programs. <P>SOLUTION: In the data distribution system, an accessory 5 is fitted with an IC tag with a theme code written therein and mounted on the mobile terminal 1. When the accessory 5 is mounted on the mobile terminal 1, the mobile terminal 1 reads the theme code from the IC tag fitted to the accessory 5 and transmits the theme code to the distribution server 2. The distribution server 2 receiving the theme code selects data in response to the theme code transmitted from the mobile terminal 1 and transmits the selected data to the mobile terminal 1. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a data distribution system, a data distribution method, a portable terminal, and a distribution server that distribute data such as image data, audio data, and application programs to portable terminals such as cellular phones and PDAs (Personal Digital Assistants).

  Conventionally, many techniques for distributing data to mobile terminals such as mobile phones and PDAs have been disclosed. However, in order for a user to download data, it is necessary to perform complicated operations for the user, such as searching for data to be downloaded on the mobile terminal or specifying the data to be downloaded by key entry. It was.

  Therefore, recently, for example, in Patent Document 1, as a portable terminal that operates as a remote controller for operating an electronic device, the ID of the electronic device is read from the electronic device, and the ID is transmitted to the server, thereby responding to the ID. A technique for downloading stored data is disclosed.

According to the technique disclosed in Patent Document 1, the user can download data without performing complicated operations such as key entry of the manufacturer name and model of the electronic device on the mobile terminal. There is.
JP 2004-297470 A

  However, the technique disclosed in Patent Document 1 can download only specific data relating to an electronic device that is uniquely determined according to the ID of the electronic device, and there is no means for downloading other data.

  Therefore, even if the technique disclosed in Patent Document 1 is used as it is, it is not possible to download data such as wallpaper image data, ringtone data, and application programs set in the mobile terminal.

  However, if the ID of the mobile terminal is used instead of the ID of the electronic device, data such as wallpaper image data, ringtone data, and application program determined according to the ID of the mobile terminal and set in the mobile terminal is downloaded. Is also possible.

  However, even in that case, only the data uniquely determined according to the ID of the mobile terminal can be downloaded, so that the types of wallpaper image data, ringtone data, and application programs are limited.

  Accordingly, an object of the present invention is to provide a data distribution system and data distribution capable of downloading various types of data when downloading data such as wallpaper image data, ringtone data, and application programs, without limiting the type of data. It is to provide a method, a portable terminal, and a distribution server.

In order to achieve the above object, the present invention provides:
In a data distribution system comprising a portable terminal and a distribution server that distributes data to the portable terminal via a network,
An IC tag in which a predetermined code is written is attached, and further includes an accessory attached to the mobile terminal,
The portable terminal is
A reading unit that reads the code from an IC tag attached to the accessory when the accessory is attached to the portable terminal;
A transmission unit that transmits the code read by the reading unit to the distribution server via the network;
The distribution server
A selection unit for selecting data according to the code transmitted from the mobile terminal;
And a distribution unit that distributes the data selected by the selection unit to the mobile terminal via the network.

  According to this configuration, when downloading data such as wallpaper image data, ringtone data, and application programs, the user downloads various wallpaper image data, ringtone data, and application programs by changing accessories. Will be able to.

Further, when a plurality of accessories are attached to the mobile terminal, the reading unit reads the code from each of the plurality of accessories,
The transmission unit transmits a plurality of codes read from each of the plurality of accessories by the reading unit to the distribution server via the network,
The selection unit may select data corresponding to a combination of the plurality of codes transmitted from the mobile terminal.

  According to this configuration, the user can download more various wallpaper image data, ringtone data, and application programs according to combinations of a plurality of accessories.

  As described above, according to the present invention, the mobile terminal downloads data corresponding to the code by transmitting the code read from the IC tag of the attached accessory to the distribution server. If the replacement is performed, it is possible to download various data.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  Referring to FIG. 1, a data distribution system according to an embodiment of the present invention includes a mobile terminal 1 such as a mobile phone and a PDA owned by a user, an accessory 5 such as a hand strap attached to the mobile terminal 1, and a mobile terminal. 1 has a distribution server 2 that distributes data to 1, a factory terminal 3 installed in a production factory 30 that produces accessories 5, and a dealer terminal 4 installed in a dealer 40 that sells accessories 5. ing. The mobile terminal 1, the distribution server 2, the factory terminal 3, and the store terminal 4 are connected to each other by a network 100 such as the Internet including a mobile phone network.

  The accessory 5 is an accessory that is attached to the portable terminal 1 and is attached with an IC tag that can read / write data without contact. This IC tag is a general IC tag comprising an IC chip and an antenna. When a radio wave from an IC tag reader / IC tag writer is received by the antenna, the IC chip is activated by electromagnetic induction, and the IC tag reader / IC Data in the IC chip can be read / written by the tag writer. In addition, an identification ID for identifying the accessory 5 is written in the IC tag at the time of production at the production factory 30, and a theme code for determining data to be distributed to the portable terminal 1 is obtained at the production factory 30. It is written when the accessory 5 is produced or when the accessory 5 is sold at the store 40. The identification ID and the theme code written in the IC tag are determined in advance by the service provider who is the owner of the distribution server 2 and stored in the distribution server 2.

  The attachment position of the IC tag in the accessory 5 is within a range in which the IC tag reading unit 12 of the portable terminal 1 can read the data in the IC tag in a state where the accessory 5 is mounted on the portable terminal 1 (that is, As long as the IC tag reading unit 12 of the portable terminal 1 can communicate with the IC tag by radio waves and receive the data in the IC tag), it may be at any position. The method for attaching the IC tag to the accessory 5 is not particularly limited, and a known method such as embedding the IC tag in the attachment position of the accessory 5 can be used.

Referring to FIG. 2, the mobile terminal 1 includes an accessory mounting unit 11 _{1 to} 11 _n , an IC tag reading unit 12, a transmission unit 13, a reception unit 14, a data storage unit 15, and a data setting unit 16. Have.

The accessory 5 is mounted on the accessory mounting portions 11 _{1 to} 11 _n .

The IC tag reading unit 12 is an IC that reads the identification ID and the theme code from the IC tag attached to the accessory 5 in a contactless manner with the accessory 5 attached to the accessory mounting units 11 _{1 to} 11 _n. It is a tag reader. The IC tag reading unit 12 activates the IC chip of the IC tag by transmitting radio waves from an antenna (not shown) provided in the IC tag reading unit 12 to the antenna of the IC tag, and the IC chip is connected to the IC chip. The identification ID and the theme code are read out from the internal storage unit and transmitted from the antenna of the IC tag. Then, the transmitted identification ID and theme code are received. The IC tag reading unit 12 periodically reads the identification ID and the theme code in the IC tag with a timing signal from a control unit (not shown) as a trigger.

  The transmission unit 13 transmits the identification ID and the theme code read from the IC tag of the accessory 5 by the IC tag reading unit 12 to the distribution server 2 via the network 100.

  The receiving unit 14 receives data such as image data (for example, wallpaper image data), audio data (for example, music data, ringtone data), and application programs transmitted from the distribution server 2 via the network 100. .

  The data storage unit 15 stores the data received by the receiving unit 14.

  The data setting unit 16 sets the data stored in the data storage unit 15 in the mobile terminal 1. For example, the data setting unit 16 sets wallpaper image data as a wallpaper displayed on a display unit (not shown) of the mobile terminal 1, sets ringtone data as a ringtone of the mobile terminal 1, or sets application data as an application Or set to

  Referring to FIG. 3, the distribution server 2 includes a receiving unit 21, an accessory information storage unit 22, an authentication unit 23, a data information storage unit 24, a selection unit 25, a data storage unit 26, and a distribution unit 27. And a transmission unit 28.

  The receiving unit 21 receives the identification ID and the theme code transmitted from the mobile terminal 1 via the network 100.

  As shown in FIG. 4, the accessory information storage unit 22 stores in advance accessory information indicating a theme code associated with each identification ID of the accessory 5. This theme code is determined by the service provider.

  The authentication unit 23 confirms whether the identification ID and the theme code transmitted from the mobile terminal 1 are valid stored in the accessory information storage unit 22.

  As shown in FIG. 5, the data information storage unit 24 stores data associated with a single theme code or a combination of a plurality of theme codes for each single theme code or a combination of a plurality of theme codes. Stores the indicated data information.

  When the authentication unit 23 confirms that the identification ID and the theme code transmitted from the mobile terminal 1 are valid, the selection unit 25 refers to the data information in the data information storage unit 24 and the mobile terminal Data corresponding to a combination of a single theme code and a plurality of theme codes transmitted from 1 is selected. For example, in FIG. 5, if the theme code transmitted from the mobile terminal 1 is code A in FIG. 5, the selection unit 25 selects the wallpaper image data a associated with the code A, and the theme code is code C. If so, the wallpaper image data c and the ring tone data d associated with the code C are selected. If the code A and the code B are two codes, the wallpaper image data x associated with the combination of the codes A and B is selected, or the wallpaper associated with the single codes A and B, respectively. Image data a and b are selected, or wallpaper image data x associated with a combination of codes A and B and wallpaper image data a and b respectively associated with a single code A and B are selected. .

  The data storage unit 26 stores data such as image data (for example, wallpaper image data), sound data (for example, music data, ringtone data), and application programs.

  The distribution unit 27 extracts the data selected by the selection unit 25 from the data storage unit 26 and distributes the extracted data to the mobile terminal 1 via the network 100.

  As described above, in the distribution server 2, when the identification ID and the theme code transmitted from the mobile terminal 1 are not valid stored in the accessory information storage unit 22, or the theme transmitted from the mobile terminal 1. If the data information of the data associated with the code is not stored in the data information storage unit 24, the data is not distributed to the mobile terminal 1 and is stopped.

  When writing the identification ID and the theme code to the IC tag of the accessory 5 at the production factory 30, the transmission unit 28 refers to the accessory information in the accessory information storage unit 22 and sends the identification ID and the theme code to the network. To the factory terminal 3 via 100. Further, when the identification ID is written in the production factory 30 and the theme code is written in the store 40 for the IC tag of the accessory 5, the identification ID is assigned to the network 100 by referring to the accessory information in the accessory information storage unit 22. To the factory terminal 3 and the theme code is transmitted to the store terminal 4 via the network 100.

  Referring to FIG. 6, the factory terminal 3 includes a receiving unit 31, an IC tag writing unit 32, and a transmitting unit 33.

  The production factory 30 receives the production instruction from the service provider who is the owner of the distribution server 2, produces the accessory 5, receives the delivery instruction from the service provider, and receives the produced accessory 5 at the store 40. Delivered to

  When the accessory 5 is produced at the production factory 30, the identification ID and the theme code are written in the IC tag attached to the accessory 5, or only the identification ID is written. In this case, the above components in the factory terminal 3 perform the following operation.

  The receiving unit 31 receives the identification ID and the theme code to be written on the IC tag attached to the accessory 5 from the distribution server 2 via the network 100, or receives only the identification ID to be written on the IC tag.

  The IC tag writing unit 32 is an IC tag writer that writes the identification ID and the theme code received by the receiving unit 31 to the IC tag without contact, or writes only the identification ID to the IC tag without contact. The IC tag writing unit 32 transmits a radio wave toward the antenna of the IC tag and activates the IC chip of the IC tag, and transmits only the identification ID and the theme code or the identification ID by the radio wave. Stored in the storage unit.

  The transmission unit 33 transmits the identification ID and theme code actually written to the IC tag by the IC tag writing unit 32 or the identification ID actually written to the distribution server 2 via the network 100.

  In the production factory 30, writing to the IC tag can be performed by any terminal other than the factory terminal 3. In this case, the IC tag writing unit 32 can be omitted from the factory terminal 3.

  When only the identification ID is written in the IC tag at the production factory 30, the theme code is written at the store 40 as described later.

  Referring to FIG. 7, the store terminal 4 includes an IC tag reading unit 41, a transmission unit 42, a reception unit 43, and an IC tag writing unit 44.

  The dealer 40 orders the accessory 5 from the service provider who is the owner of the distribution server 2, receives the ordered accessory 5 from the production factory 30, and sells it to the user who is the owner of the mobile terminal 1. Thereby, the user can use this service.

  In some cases, the store 40 receives the accessory 5 in which only the identification ID is written in the IC tag from the production factory 30 and writes the theme code in the IC tag when the accessory 5 is sold. In this case, the above-described components in the store terminal 4 perform the following operations.

  The IC tag reading unit 41 is an IC tag reader that reads an identification ID from an IC tag attached to the accessory 5 received from the production factory 30 in a non-contact manner.

  The transmission unit 42 transmits the identification ID read from the IC tag of the accessory 5 by the IC tag reading unit 41 to the distribution server 2 via the network 100.

  The receiving unit 43 receives the theme code to be written in the IC tag attached to the accessory 5 from the distribution server 2 via the network 100.

  The IC tag writing unit 44 is an IC tag writer that writes the theme code received by the receiving unit 43 to the IC tag in a non-contact manner.

  As described above, when the theme code is written in the IC tag at the time of selling the accessory 5 at the store 40, the user is illegal before purchasing the accessory 5 at the store 40 after being produced at the production factory 30. It is possible to prevent receiving data distribution.

  In the store 40, reading from the IC tag and writing to the IC tag can be performed by any terminal other than the store terminal 4. In this case, the IC tag reading unit 41 and the IC tag writing unit 44 can be omitted from the store terminal 4.

  Hereinafter, the operation of the data distribution system according to the present embodiment will be described. In the following description, as a representative example of the present embodiment, it is assumed that the mobile terminal 1 is a mobile phone equipped with an IC tag reader as the IC tag reading unit 12, and the network 100 is the Internet including a mobile phone network. Give an explanation.

  First, the operation when the mobile terminal 1 reads the identification ID and the theme code from the IC tag of the accessory 5 will be described.

Referring to FIG. 8, in the portable terminal 1, the IC tag reading unit 12 periodically performs a process of reading the identification ID and the theme code from the IC tag of the accessory 5 mounted on the accessory mounting units 11 _{1 to} 11 _n. Perform (Step A1).

In step A1, first, the IC tag reading unit 12 transmits a radio wave for activating the IC chip of the IC tag (step A2). _If the accessory 5 is mounted on the accessory mounting portions 11 _{1 to} 11 _n , radio waves are received by the antenna of the IC tag attached to the accessory 5, thereby starting the IC chip of the IC tag. When the IC chip is activated, the IC chip reads the identification ID and the theme code from the storage unit in the IC chip, and transmits the read identification ID and theme code from the antenna of the IC tag (step A3). Then, the identification tag and the theme code transmitted from the IC tag are received by the IC tag reading unit 12 (step A4). Note that the processing of steps A2 to A4 is executed a plurality of times for the number of accessories 5 when a plurality of accessories 5 are attached to the portable terminal 1. Thereby, the IC tag reading unit 12 reads the identification ID and the theme code from the IC tags of all the accessories 5 attached to the mobile terminal 1.

  Thereafter, the IC tag reading unit 12 of the mobile terminal 1 periodically recognizes that the accessory 5 has been removed from the mobile terminal 1 and that the accessory 5 attached to the mobile terminal 1 has been changed. After the elapse of time ("Yes" in step A5), the process returns to step A1 to read the identification ID and the theme code from the IC tag of the accessory 5.

  Next, an operation when the mobile terminal 1 downloads data corresponding to the identification ID and the theme code read from the IC tag of the accessory 5 will be described.

  Referring to FIG. 9, in portable terminal 1, transmission unit 13 transmits the identification ID and theme code read from the IC tag of accessory 5 by IC tag reading unit 12 to distribution server 2 via network 100. (Step B1). At this time, when reading is performed from the IC tags of the plurality of accessories 5, the respective identification IDs and theme codes read from the IC tags of the plurality of accessories 5 are transmitted.

  In the distribution server 2, when the receiving unit 21 receives the identification ID and the theme code transmitted from the portable terminal 1 (step B2), the authentication unit 23 receives all the identification IDs transmitted from the portable terminal 1. Then, it is confirmed whether the theme code is valid stored in the accessory information storage unit 22 (step B3). Subsequently, the selection unit 25 refers to the data information in the data information storage unit 24 based on all the theme codes whose validity has been confirmed by the authentication unit 23, and is distributed to the portable terminal 1 ( Image data such as wallpaper image data, music data, voice data such as ringtone data, application program, etc.) are selected (step B4). For example, in FIG. 5, if the theme code transmitted from the mobile terminal 1 is code A in FIG. 5, the selection unit 25 selects the wallpaper image data a associated with the code A, and the theme code is code C. If so, the wallpaper image data c and the ring tone data d associated with the code C are selected. If the code A and the code B are two codes, the wallpaper image data x associated with the combination of the codes A and B is selected, or the wallpaper associated with the single codes A and B, respectively. Image data a and b are selected, or wallpaper image data x associated with a combination of codes A and B and wallpaper image data a and b respectively associated with a single code A and B are selected. . Subsequently, the distribution unit 27 distributes the data selected by the selection unit 25 to the mobile terminal 1 via the network 100 (step B5). For example, the distribution unit 27 distributes one selected data if only one data is selected by the selection unit 25, and two or more selected if two or more data are selected. Deliver a combination of data.

  In the portable terminal 1, when the receiving unit 14 receives the data distributed by the distribution server 2 (step B6), the data storage unit 15 stores the data received by the receiving unit 14 (step B7). The data setting unit 16 sets the data stored in the data storage unit 15 in the portable terminal 1 (step B8). For example, if the data distributed by the distribution server 2 is wallpaper image data, the data setting unit 16 sets the wallpaper image data as the wallpaper displayed on the display unit of the mobile terminal 1, and if the data is ringtone data The ring tone data is set as the ring tone of the portable terminal 1, and if it is application data, the application data is set in the application.

  Next, the operation when writing the identification ID and the theme code in the IC tag of the accessory 5 will be described.

  First, the operation when the identification ID and the theme code are written in the production factory 30 will be described. Here, description will be made assuming that the production factory 30 writes the identification ID and the theme code using the factory terminal 3.

  Referring to FIG. 10, in the distribution server 2, the transmission unit 28 sends the identification ID and theme code to be written in the accessory 5 stored in the accessory information storage unit 22 to the factory terminal 3 via the network 100. Transmit (step C1).

  In the factory terminal 3, when the receiving unit 31 receives the identification ID and the theme code transmitted from the distribution server 2 (step C2), the IC tag writing unit 32 receives the identification received by the receiving unit 31. The ID and the theme code are written in the IC tag attached to the accessory 5 (step C3). Further, the transmission unit 33 transmits the identification ID and the theme code actually written by the IC tag writing unit 32 to the distribution server 2 via the network 100 (step C4).

  In the distribution server 2, the receiving unit 21 receives the identification ID and the theme code transmitted from the factory terminal 3 (step C5), and stores the identification ID and the theme stored as accessory information in the accessory information storage unit 22. -Confirm that it matches the code. Thereafter, in the distribution server 2, based on the accessory information stored in the accessory information storage unit 22, as described above, when the identification ID and the validity of the theme code are confirmed, or when the identification ID is illegally used. Processing such as stopping data delivery. Note that the processing in steps C4 to C5 is only processing for confirming the identification ID and the theme code actually written in the IC tag, and may be omitted.

  Next, the operation when the identification ID is written in the production factory 30 and the theme code is written in the store 40 will be described. Note that when the identification ID is written in the production factory 30, only the identification ID has to be written by the processing of FIG. Here, it is assumed that the store 40 writes the theme code using the store terminal 4.

  Referring to FIG. 11, in the dealer terminal 4, the IC tag reading unit 41 is attached to the accessory 5 sent from the production factory 30, and reads the identification ID from the ID in which only the identification ID is written (step D1). The transmitting unit 42 transmits the identification ID read by the IC tag reading unit 41 to the distribution server 2 via the network 100 (step D2).

  In the distribution server 2, when the receiving unit 21 receives the identification ID transmitted from the store terminal 4 (step D3), the transmitting unit 28 refers to the accessory information in the accessory information storage unit 22 and sells it. The theme code associated with the identification ID transmitted from the store terminal 4 is transmitted to the store terminal 4 via the network 100 (step D4).

  In the store terminal 4, when the receiving unit 43 receives the theme code transmitted from the distribution server 2 (step D5), the IC tag writing unit 44 receives the theme code received by the receiving unit 43. Is written in the IC tag attached to the accessory 5 (step D6). Note that processing similar to steps C4 to C5 in FIG. 10 may be added to confirm the theme code actually written in the IC tag.

  As described above, in this embodiment, an IC tag in which a theme code is written is attached to the accessory 5, and when the accessory 5 is attached, the mobile terminal 1 receives the theme code from the IC tag of the accessory 5. The data is read and transmitted to the distribution server 2, and data corresponding to the theme code is downloaded.

  Thereby, when downloading the wallpaper image data, the ring tone data, and the application program, the user can download various wallpaper image data, the ring tone data, and the application program by changing the accessory 5. Become.

  In addition, when a plurality of accessories 5 are attached, the mobile terminal 1 reads the theme codes from the IC tags of the plurality of accessories 5 and transmits them to the distribution server 2, and data corresponding to the combination of the plurality of themes and codes. Have downloaded.

  Thereby, the user can download more various wallpaper image data, ringtone data, and application programs according to the combination of the plurality of accessories 5. Therefore, for example, the service provider can also distribute special wallpaper image data, ringtone data, and application programs to a user who has collected all the series accessories 5 and attached them to the portable terminal 1.

  Further, since the accessory 5 substantially includes the right to download data, the service provider can increase the commercial value of the accessory 5. Further, if the service provider sets a price including the right to download data in the accessory 5, the service provider can surely collect the download fee. In addition, the service provider does not need to set the data download fee uniformly as compared with the case where the download fee is settled with a credit card, etc., so the download fee can be set freely according to the data. . In addition, the user can also pay the fee without fear of collecting a fee as compared with the case of paying the download fee with a credit card. As a result, the number of users who hesitate to use the service is reduced, so that the service provider can increase opportunities for selling data. Therefore, the service provider can sell wallpaper image data and ringtone data in a timely manner at a venue such as an event.

  Further, the accessory 5 substantially includes the right to download data, and the distribution server 2 manages the identification ID and the theme code written in the IC tag of the accessory 5, and If it is illegal, processing such as distribution stop is performed, so that the user can easily manage the right to download.

It is a figure which shows the structure of the data delivery system by one Embodiment of this invention. It is a block diagram which shows the example of 1 structure of the portable terminal shown in FIG. It is a block diagram which shows the example of 1 structure of the delivery server shown in FIG. It is a figure which shows an example of the information stored in the accessory information storage part shown in FIG. It is a figure which shows an example of the information stored in the data information storage part shown in FIG. It is a block diagram which shows the example of 1 structure of the factory terminal shown in FIG. It is a block diagram which shows the example of 1 structure of the store terminal shown in FIG. 2 is a flowchart for explaining an operation when the mobile terminal reads an identification ID and a theme code from an accessory IC tag in the data distribution system shown in FIG. 1. 2 is a flowchart for explaining an operation when a mobile terminal downloads data corresponding to an identification ID and a theme code read from an accessory IC tag in the data distribution system shown in FIG. 1. FIG. 3 is a flowchart illustrating an operation when the factory terminal writes an identification ID and a theme code in an accessory IC tag in the data distribution system shown in FIG. 1. FIG. 5 is a flowchart for explaining the operation when the dealer terminal writes the theme code in the accessory IC tag in the data distribution system shown in FIG. 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mobile terminal 2 Distribution server 3 Factory terminal 4 Dealer terminal 5 Accessory 30 Production factory 40 Dealer 100 Network

Claims (8)

In a data distribution system comprising a portable terminal and a distribution server that distributes data to the portable terminal via a network,
An IC tag in which a predetermined code is written is attached, and further includes an accessory attached to the mobile terminal,
The portable terminal is
A reading unit that reads the code from an IC tag attached to the accessory when the accessory is attached to the portable terminal;
A transmission unit that transmits the code read by the reading unit to the distribution server via the network;
The distribution server
A selection unit for selecting data according to the code transmitted from the mobile terminal;
A data distribution system comprising: a distribution unit that distributes data selected by the selection unit to the mobile terminal via the network. The reading unit reads the code from each of the plurality of accessories when a plurality of accessories is attached to the portable terminal,
The transmission unit transmits a plurality of codes read from each of the plurality of accessories by the reading unit to the distribution server via the network,
The data distribution system according to claim 1, wherein the selection unit selects data corresponding to a combination of the plurality of codes transmitted from the mobile terminal. A data distribution method by a data distribution system comprising a portable terminal and a distribution server that distributes data to the portable terminal via a network,
A first step of reading the code from the IC tag attached to the accessory when the accessory attached with the IC tag to which the predetermined code is written is attached to the portable terminal;
A second step in which the portable terminal transmits the code read in the first step to the distribution server via the network;
A third step in which the distribution server selects data corresponding to the code transmitted from the portable terminal in the second step;
A data distribution method comprising: a fourth step in which the distribution server distributes the data selected in the third step to the mobile terminal via the network. In the first step, when a plurality of accessories are attached to the mobile terminal, the mobile terminal reads the code from each of the plurality of accessories,
In the second step, the portable terminal transmits a plurality of codes read from each of the plurality of accessories in the first step to the distribution server via the network,
The data distribution method according to claim 3, wherein in the third step, the distribution server selects data according to a combination of the plurality of codes transmitted from the portable terminal in the second step. A mobile terminal that receives data distribution from a distribution server via a network,
A reading unit that reads the code from the IC tag attached to the accessory when the accessory to which the IC tag to which a predetermined code is written is attached to the portable terminal;
A transmission unit that transmits the code read by the reading unit to the distribution server via the network;
A portable terminal comprising: a receiver that receives data when the data corresponding to the code transmitted by the transmitter is distributed by the distribution server via the network. The reading unit reads the code from each of the plurality of accessories when a plurality of accessories is attached to the portable terminal,
The transmission unit transmits a plurality of codes read from each of the plurality of accessories by the reading unit to the distribution server via the network,
The said receiving part receives the said data, when the data according to the combination of these several codes transmitted by the said transmission part are delivered via the said network by the said delivery server, The said data are received. Mobile device. A distribution server that distributes data to mobile terminals via a network,
When a predetermined code read from an IC tag attached to an accessory attached to the mobile terminal is transmitted from the mobile terminal, a selection unit that selects data according to the code;
A distribution server having a distribution unit that distributes the data selected by the selection unit to the mobile terminal via the network;   In the case where a plurality of codes read from respective IC tags attached to a plurality of accessories attached to the portable terminal are transmitted from the portable terminal, the selection unit responds to a combination of the plurality of codes. 8. The distribution server according to claim 7, wherein data is selected.

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