CN1251094C - Communication system and method for removing reproduction limiting - Google Patents

Abstract

A plurality of the music data with the restriction on reproduction are previously stored in an audio reproduction system SAS. When the user determines the music data to be purchased (i.e. to be released of the restriction on reproduction) by making reproduction, trial listening, etc., of the music data, the user accesses a content server CS by operating his or her own mobile terminal PS and makes a request for releasing of the restriction on this music data. The content server CS forms the information to release the restriction necessary for releasing the restriction on reproduction of the music data corresponding to this request and transmits the information to the mobile terminal PS. Such information to release the restriction is transmitted from the mobile terminal PS to the system SAS and the restriction on reproduction of the music data is released in the system SAS.

Description

Be used to remove communication system and the method for reproducing restriction

CROSS-REFERENCE TO RELATED APPLICATIONS

The Japanese patent application 2002-249415 that the application submitted to based on August 28th, 2002, its content is helped in this for reference.

Technical field

The present invention relates to a kind of communication system and method for reproducing restriction that be used to remove.

Background technology

Along with the development of world wide web (www) technology, use such as the network of the Internet and distribute electric music distribution (hereinafter the being abbreviated as EMD) service of music data to popularize fast.

The EMD server that EMD service is provided and the Internet etc. are connected, storage is about music various types of information of (hereinafter being called music information) in the EMD server, such as except the music data of various styles, make interlude afterwards, up-to-date hit songs information, new song information etc. corresponding to artist name, the song of each music data.

Wish that the user that the EMD server-assignment is stored in the music data in the EMD server etc. waits input to specify the uniform resource locator (URL) of EMD server by operation personal computer (hereinafter being abbreviated as PC), purpose is connection PC and EMD server.When the user sets up with being connected of EMD server, music information through the Internet from the EMD downloaded to PC.In this music information, comprise list information, purchasing process information of the music data that the user can buy etc.Music information is presented on the display of PC, and user's reference music data shown according to list information, and confirming has the user to wish that the music data of buying does not still have this music data.

When music data that the user finds to be wanted, the user selects the music data (Figure 22 A) wanted by the mouse of clicking PC.Finish after the selection, purchasing process information is presented at display (on Figure 22 B), and the user imports credit number etc. according to the information that shows.At the EMD server side, when the EMD server received selection instruction, user's the credit number of the music data of user's input through the Internet, the EMD server was differentiated user's sign with credit number etc.When EMD server differentiation user was the user who authorizes, the EMD server notification began down-load music data (Figure 22 C), and beginning down-load music data.

Here, along with the quality raising of music data, it is very big that the size of music data also becomes.Thereby, when music data downloads to PC, depend on the traffic rate between server and the user terminal (PC etc.), take long to and finish download.

And as mentioned above, the user need carry out complicated operations and buy music data, such as each input credit number.

Summary of the invention

An object of the present invention is to provide a kind of communication system, wherein, the user can buy music data of wanting etc. with easy process.

According to an aspect of the present invention, a kind of reproduction restriction cancellation method is provided, be used for removing the reproduction restriction that is added on the multimedia messages that is stored in the multimedia messages reproducer, the method includes the steps of: (a) send to portable terminal from the multimedia messages reproducer and be used for the address information of given server, this server produces the required restriction cancellation information of reproduction restriction that is added on the multimedia messages of removing; (b),, produce restriction cancellation information to server requests from portable terminal through the communication network access server according to the address information that receives from the multimedia messages reproducer; (c) in server, produce restriction cancellation information according to request, the restriction cancellation information that produces is sent to portable terminal through communication network from portable terminal; (d) from portable terminal the restriction cancellation information that sends from server is sent to the multimedia messages reproducer; (e) according to the restriction cancellation information that receives from portable terminal, remove the reproduction restriction that in the multimedia messages reproducer, is added on the multimedia messages.

According to said structure, send address information from the multimedia messages reproducer to portable terminal, this address information is used to refer to the server that restriction cancellation information is given birth in fixed output quota, and this restriction cancellation information is to remove the required information of reproduction restriction that is added on the multimedia messages.Portable terminal is visited above-mentioned server according to the address information that receives from the multimedia messages reproducer, and request produces above-mentioned restriction cancellation information.Server produces the restriction cancellation information corresponding to this request, and server downloads to the multimedia messages reproducer with the restriction cancellation information that produces through portable terminal.

By only restriction cancellation information through portable terminal from downloaded to the multimedia messages reproducer, can be without any restrictedly reproducing the multimedia messages that is stored in the multimedia messages reproducer.Thereby for example, the whole multimedia information comparison with do not apply the reproduction restriction from server can significantly reduce download required time and the expense that is used to communicate by letter according to the present invention.

According to a further aspect in the invention, a kind of reproduction restriction cancellation method is provided, be used for removing the reproduction restriction that is added on the multimedia messages that is stored in the multimedia messages reproducer, this method comprises step: (a) according to the address information of given server, by from the multimedia messages reproducer through the wireless communication system access server, request produces restriction cancellation information, and this restriction cancellation information is to remove the required information of reproduction restriction that is added on the multimedia messages; (b), in server, produce restriction cancellation information, and the restriction cancellation information that produces is sent to the multimedia messages reproducer from server according to request from the multimedia messages reproducer; (c) according to the restriction cancellation information that receives from server, remove the reproduction restriction that in the multimedia messages reproducer, is added on the multimedia messages.

According to another aspect of the invention, provide a kind of being used to have server, portable terminal and corresponding to the reproduction restriction cancellation method of the communication system of the multimedia messages reproducer of portable terminal, be used for removing the reproduction restriction that is added on the multimedia messages that is stored in the multimedia messages reproducer, wherein, mobile terminal stores is used to refer to the address information that the server of restriction cancellation information is given birth in fixed output quota, this restriction cancellation information is removed the required information of reproduction restriction that is added on the multimedia messages, and server stores is used for discerning the Termination ID information corresponding to the portable terminal of a plurality of song title information, each song title information representation is stored in the title corresponding to each multimedia messages in the multimedia messages reproducer of portable terminal, the method includes the steps of: (a) according to address information, by from portable terminal through the visit of communication network to server, from portable terminal to server requests song title information; (b) according to request, return a plurality of song title information corresponding to the Termination ID information of portable terminal from portable terminal; (c) select the song title information instruction in the portable terminal according to being input to, in portable terminal, from a plurality of song title information that server receives, select at least one song title information, and produce the restriction cancellation information that comprises selected song title information to server requests from portable terminal; (d) in server, produce restriction cancellation information according to request, and the restriction cancellation information that produces is sent to portable terminal through communication network from portable terminal; (e) from portable terminal the restriction cancellation information that server sends is sent to the multimedia messages reproducer; (f) according to the restriction cancellation information that receives from portable terminal, appointment will should be removed its multimedia messages that reproduces restriction in the multimedia messages reproducer, and removes the reproduction restriction that is added on the specified multimedia messages according to the restriction cancellation information that receives.

According to a further aspect of the invention, provide a kind of mobile communication system, comprised and be used for the portable terminal of Relay Server and multimedia messages reproducer.Portable terminal comprises: request unit, and to server requests restriction cancellation information, restriction cancellation information is used for removing the reproduction restriction that is added on the multimedia messages through communication network; Receiver receives restriction cancellation information from server; And transmitter, the restriction cancellation information that receives is sent to the multimedia messages reproducer.Server comprises: maker according to the request from portable terminal, produces restriction cancellation information; And transmitter, through communication network the restriction cancellation information that produces is sent to portable terminal.The multimedia messages reproducer comprises: memory storage, and storage is added with the multimedia messages that reproduces restriction; Receiver receives restriction cancellation information from portable terminal; With the restriction cancellation device, when receiver receives restriction cancellation information,, remove the reproduction restriction that is added on the multimedia messages according to restriction cancellation information.

According to the present invention, can buy the music data that the user wants with process simply.

Description of drawings

Fig. 1 represents the structured flowchart of communication system according to an embodiment of the invention;

Fig. 2 explains the block diagram of restriction cancellation information generating algorithm according to an embodiment of the invention;

Fig. 3 represents to charge according to an embodiment of the invention the figure of example of calculation document;

Fig. 4 represents the figure of the example of user management file according to an embodiment of the invention;

Fig. 5 represents the figure of the example of user profile according to an embodiment of the invention;

Fig. 6 represents the block diagram of the hardware configuration of portable terminal according to an embodiment of the invention;

Fig. 7 represents the block diagram of the hardware configuration of audio reproducing apparatus according to an embodiment of the invention;

Fig. 8 represents the figure of the example of music data form according to an embodiment of the invention;

Fig. 9 explains the figure of music data management document according to an embodiment of the invention;

Figure 10 explains the figure of restriction cancellation information decoding algorithm according to an embodiment of the invention;

Figure 11 explains the precedence diagram of enrollment process according to an embodiment of the invention;

Figure 12 is expression will be presented at the example of the screen on the audio reproducing apparatus according to embodiments of the invention figure;

Figure 13 A and 13B are the figure that indicates to be presented at the example of the screen on the portable terminal;

Figure 14 is a process flow diagram of representing to reproduce according to an embodiment of the invention process;

Figure 15 A is expression will be presented at the example of the screen on the audio reproducing apparatus according to embodiments of the invention figure to 15C;

Figure 16 explains the precedence diagram that is used for removing the process of reproducing restriction according to embodiments of the invention;

Figure 17 A and 17B are the figure that indicates to be presented at the example of the screen on the portable terminal;

Figure 18 is the process flow diagram of expression according to the reproduction process of first modification;

Figure 19 is the figure of expression according to the music data management document of first modification;

Figure 20 is the figure of expression according to the example of the user management file of second modification;

Figure 21 explains the precedence diagram of removing the process of reproducing restriction according to second modification;

Figure 22 A is the figure that indicates to be presented at the example of the screen on the PC to 22C.

Embodiment

Fig. 1 represents the figure of the structure of communication system 100 according to an embodiment of the invention.Communication system 100 is equipped with: audio reproducing apparatus SAS, and storage is added with a plurality of music datas that will describe hereinafter (hereinafter being called " music data ") that reproduce restriction; Content server CS is connected with the Internet IN through access point AP etc., and restriction cancellation information is provided, and is used for removing the reproduction restriction that is added on the music data; Gateway server GWS is provided in the mobile data packet gateway relay station that is connected with the Internet IN with content server CS, mobile communications network MCN; Portable terminal PS can receive restriction cancellation information from content server CS through mobile communications network MCN, gateway server GWS and the Internet, and can send to audio reproducing apparatus SAS to the restriction cancellation information that receives with the short-distance wireless communication function.Though in fact the communication system 100 according to present embodiment is equipped with a plurality of content server CS and portable terminal PS,, convenient for the explanation of present embodiment, Fig. 1 has only represented a content server CS and a portable terminal PS.

Content server CS is connected with the Internet IN through access point AP etc.This content server produces restriction cancellation information according to the request (hereinafter being called the restriction cancellation request) from portable terminal PS, and this restriction cancellation information is to remove the required information of reproduction restriction that is added on the music data that is stored among the audio reproducing apparatus SAS.Content server CS has the function that restriction cancellation information is offered portable terminal PS, according to the amount of the restriction cancellation information that produces (for example, produce the number of times of restriction cancellation information) calculate charge to the user, and according to calculate charge the amount (for example 1 dollar) that will collect is notified user's function.In addition, in Fig. 1, though content server CS be connected with the Internet IN through access point AP,, content server CS can directly be connected with gateway server GWS with dedicated communication line etc.

The controller CL of content server CS is made up of CPU (central processing unit) (CPU), ROM (read-only memory) (ROM), random-access memory (ram) etc.Controller CL is stored in various types of software programs among ROM etc. etc., each part of control content server CS by execution.

In storer MR, storage: controller CL performed restriction cancellation information generating algorithm AL when producing above-mentioned restriction cancellation information; Be used for user's the user management file UF of management request restriction cancellation information; Obtaining according to the amount of restriction cancellation information will be to the required charge calculation document RF of amount of user's charge.

Fig. 2 is used for figure, Fig. 3 and 4 that interpretation removes information generating algorithm AL to represent to charge according to an embodiment of the invention the figure of example of calculation document RF and user management file UF.

Restriction cancellation information generating algorithm AL shown in Figure 2 is a software program, is used for producing restriction cancellation information according to being included in sign (ID) information (hereinafter being called the device id information) of the identification audio reproducing apparatus SAS in the restriction cancellation request and being used for discerning the id information (hereinafter being called the music data id information) of removing its music data that reproduces restriction.

When controller CL through mobile communications network MCN and the Internet IN when portable terminal PS has received the restriction cancellation request that comprises device id information and music data id information, utilize restriction cancellation information to produce algorithm AL, produce only effective restriction cancellation information in corresponding to the audio reproducing apparatus SAS of device id information with reference to user management file UF.When producing restriction cancellation information, controller CL is with reference to charge calculation document RF, and calculating will be to the amount of user's charge.As shown in Figure 3, in charge calculation document RF, to the amount of the mutual corresponding restriction cancellation information that produces of each user storage and the amount of charge.Controller CL calculate with reference to charge calculation document RF will amount to user's charge after, controller calculate amount notification gateway server GWS.

In user management file UF shown in Figure 4, the subscriber-related information of the service that registration and energy received content server CS are provided.In detail, in user management file UF,

With with corresponding to each other registration each have portable terminal PS user name, be used to discern the id information (user ID information hereinafter referred to as) of each user profile.In addition, at length explain the log-on operation of each information hereinafter to this user management file UF.

Gateway server GWS is equipped with system control unit GC, subscriber information management unit GU, customer data base UDB etc., and data relay function, and from the sending function of content server CS to transmission notice amounts such as toll center RS with transmission and the reception of data relaying between the communication network of different communication protocol.

System control unit GC is made up of CPU, ROM, RAM etc., and each part of concentrated control gateway server GWS.And, system control unit GC is stored in trunking application among ROM etc. by execution, the standard agreement of conversion the Internet IN, for example, transmission control protocol/Internet Protocol (TCP/IP) and the communication protocol that is used for mobile communications network MCN, vice versa, transmission and reception between relaying the Internet IN and the mobile communications network MCN.In addition, system control unit GC sends to the toll center RS that is connected with mobile communications network MCN to charge, and toll center RS collects will be from the charge of content server CS notice, as the part of the communication charge of user's portable terminal PS.

The user profile that subscriber information management unit GU storage and management are obtained with reference to customer data base UDB.Fig. 5 is the figure that is illustrated in the example of the user profile of registering among the customer data base UDB.User profile is by the telephone number of portable terminal PS, except name, sex, distribute to each user outside the address etc. (promptly, each user of portable terminal PS) unique user ID information (Termination ID information) is formed, and each information corresponding to the information stores of other type in customer data base UDB.Each information that subscriber information management unit GU obtains according to reference customer data base UDB is carried out the mutual conversion of telephone number and user ID information, and the arrangement of telephone number.

Mobile communications network MCN provides various types of services to the portable terminal PS that is adapted to mobile communications network MCN, such as data communication services and telephone service.In addition, mobile communications network MCN is provided in and has been equipped with outside gateway server GWS and the toll center RS, also is equipped with in the wireless communication cell that covers in the base station a plurality of base stations (not shown) with communication of mobile terminal.

Portable terminal PS proposes various types of information from the various types of servers (for example, content server CS) that are connected with short-distance wireless communication or the Internet IN, and for example, portable terminal PS is the cell phone with so-called explorer function.Various java applications are equipped with in this portable terminal PS, be equipped with the platform (hereinafter being called the Java platform) that is used for carrying out the application program (hereinafter being called java application) of writing, and portable terminal PS with Java language.

Fig. 6 is the figure of the hardware configuration of expression portable terminal PS.Controller PC is made up of CPU etc., and according to each part that is stored in the various types of control program centralized control portable terminal PS among the storage unit PM.Wireless communication unit PR is equipped with antenna AT, controls the radio communication of carrying out between each base station.This wireless communication unit PR is under the control of controller PC, by being added in, the data that for example are used to send the data of voice or are used for data packet communications produce wireless signal on the carrier wave, and decoding is through the wireless signal of antenna AT from the base station reception, so that the data that acquisition is used to send the data of voice or is used for data packet communications.

Operation input block PO the electric power on/off key is arranged and be used for input digit, text and and the operating key of instruction etc., the operation signal corresponding to these keys is outputed to controller PC.

Call processing unit PT has for example microphone, loudspeaker, Audio Processing Unit (not shown in FIG.) etc., and under the control of controller PC, carries out the telephone call that comprises connection/disconnection process.Display unit PI has LCD (LCD) and is used to control the driving circuit of LCD, shows various texts and image.

Short-distance wireless communication unit PB is made up of interface circuit, and interface circuit is carried out short-distance wireless communication (for example, utilizing the radio communication of bluetooth standard) with audio reproducing apparatus SAS.Short-distance wireless communication unit PB sends under the control of controller PC from the restriction cancellation information of content server CS reception with from audio reproducing apparatus SAS and receives the device id information of identification audio reproducing apparatus SAS and the music data id information of the music data that the reproduction restriction has been removed in identification etc.

Storage unit PM has: nonvolatile memory PM1, for example be made up of ROM or EEPROM (Electrically Erasable Programmable Read Only Memo) (EFPROM) etc.; And the volatile memory PM2 that for example forms by dynamic RAM (DRAM) or static RAM (SRAM) etc.

Various software programs and application program that nonvolatile memory PM1 storage is carried out by controller PC, such as web browser, be used for browsing the internet site of being write as with simple and clear HTML (CHTML) with communication protocol, this communication protocol is such as HTTP(Hypertext Transport Protocol) or hypertext transmission security agreement (HTTPS).And in nonvolatile memory PM1, storage is used to provide the various software programs of above-mentioned Java platform, such as Java 2 Micro Edition (J2ME).In detail, nonvolatile memory PM1 storage: thousand virtual machines (KVM) are used for explanation/execution java application; Java Application Manager (JAM) is used for providing the function of the java application that management is installed in portable terminal PS etc.The hardware resource such as controller PC that is provided among the portable terminal PS is carried out the various software programs that the Java platform is provided.

In addition, nonvolatile memory PM1 has storage area (java application storage area) PM11, is used for storing the java application that is installed in portable terminal PS.Java application storage area PM11 storage is from the java application of the downloaded that is connected with the Internet IN etc. and the java application installed when the purchase portable terminal PS.Though will be described in more detail below,, be used for removing the java application that performed reproduction limits to content server CS request restriction cancellation the time and also be stored in java application storage area PM11.

Volatile memory PM2 uses when carrying out the java application of installing among the portable terminal PS as the working storage of controller PC, is used for interim store various kinds of data etc.

Fig. 7 represents the block diagram of the hardware configuration of audio reproducing apparatus SAS according to an embodiment of the invention.

Audio reproducing apparatus SAS has reproduction to reproduce the function that ways to restrain is stored in a plurality of music datas among the hard disk HD in advance, and use the short-distance wireless communication function, corresponding to the restriction cancellation information that receives from portable terminal PS, remove the function of the reproduction restriction that is added on the music data.

Short-distance wireless communication cell S B is made up of interface circuit, and interface circuit is used for portable terminal PS and carries out short-distance wireless communication (for example, utilizing the radio communication of bluetooth standard).Short-distance wireless communication cell S B receives the restriction cancellation information that receives from portable terminal PS under the control of controller PC, handle assembly id information and music data id information etc. send to portable terminal PS, the device id information is used to discern audio reproducing apparatus SAS, and the music data id information is used to discern has removed the music data that reproduces restriction.

Operation input block SO has the electric power on/off key and is used for the operating key of input digit, text and instruction etc., and the operation signal corresponding to these keys is outputed to controller SC.Display unit SI has LCD (LCD) and is used to control the driving circuit of LCD, and shows various texts and image.

Hard disk HD is the memory storage that is used to store music data, and has stored various music datas in advance in hard disk HD.This memory storage is not limited to hard disk drive, can also be the medium of recording/reading data arbitrarily.

Fig. 8 represents the figure of the example of the form of music data according to an embodiment of the invention.Music data is made up of head H and useful load P.

Useful load P storage produces the required general data of digital tone signal.

Head H storage head size information, expression are corresponding to the song title information of the head of the song of music data, music data id information, limit the relevant reproducing limit information and the server appointed information of given server with reproduction on being added in music data.

Reproducing limit information is represented not remove to reproduce according to restriction cancellation information to reproduce the condition that is stored in the general data among the useful load P under the limited case.In detail, be: can reproduce the number of times information representation and can be remove when reproducing restriction, number of times (for example, 3 times) that can the reproducing music data according to restriction cancellation information; But the recovery time length information represents not remove the time span (for example, 30 minutes) of energy reproducing music data when reproducing restriction; But and/or can reproduce the duration information representation and not remove the duration of reproducing music data when reproducing restriction (for example, from the first time reproducing music data 3 days that day).

But though reproducing limit information form by reproducing number of times information recovery time length information, sustainable temporal information etc.,, for convenience of explanation, only describe reproducing number of times information stores situation as reproducing limit information in head H.

The server appointed information that is stored in the head H is an address information, be used to specify the content server CS that produces restriction cancellation information, this restriction cancellation information is that to remove the reproduction restriction be added on the music data required, and address information is by URL expressions such as (for example, http://www...).

See Fig. 7 again, controller SC is made up of CPU, ROM, RAM etc., main each part of coming control audio transcriber SAS according to the various types of control programs that are stored among the ROM etc., the reproduction of the music data of control store in hard disk HD.

Fig. 9 is used for explaining the figure of music data management document MF according to an embodiment of the invention.In music data management document MF, but except above-mentioned song title information, music data id information multiplicity information and server appointed information, recovery time information and reproduction restriction are differentiated mark and are carried out corresponding mutual registration.

Recovery time information is to represent at that time the information of the number of times of reproducing music data.When the reproducing music data were reproduced, number of times increased " 1 ".When the represented number of times at that time of recovery time information with can reproduce represented the reproduced number of times of number of times information (for example, 3 is inferior) when consistent, just can not the reproducing music data, removed to reproduce up to controller SC and limited.

Reproducing restriction differentiation mark is to be used to differentiate the mark of whether having removed the reproduction restriction that is added on the music data.In detail, when reproduction restriction differentiation mark is " 1 ", remove the reproduction restriction that is added on the music data, when reproduction restriction differentiation mark is " 0 ", remove the reproduction restriction that is added on the music data.Describe in more detail hereinafter such as rewriting and be registered in information among the music data management document MF, such as recovery time information with reproduce restriction and differentiate mark.

Figure 10 explains the figure of restriction cancellation information decoding algorithm AL2 according to an embodiment of the invention.

When through short-distance wireless communication cell S B when portable terminal PS receives restriction cancellation information, above-mentioned controller SC with music data management document MF is with the restriction cancellation information decoding algorithm AL2 that is stored among the ROM etc., and appointment should be removed its music data (Fig. 7) that reproduces restriction.

Restriction cancellation information decoding algorithm AL2 is used for software program from restriction cancellation information acquisition device id information and music data id information, the device id information is used to discern audio reproducing apparatus SAS, and the music data id information is used to discern the music data of removing the reproduction restriction.

After portable terminal PS received restriction cancellation information, controller SC obtained device id information and music data id information with restriction cancellation information decoding algorithm AL2.The device id information that controller SC is obtained with the unique device id information inspection that is stored among the ROM etc.When successfully finishing inspection, that is, when two groups of device id informations were consistent with each other, controller SC removed the reproduction restriction that is added on the music data corresponding to the music data id information.The checked operation of description control device SC in more detail hereinafter.

See Fig. 7 again, music data reproduction units SR produces digital tone signal according to the music data that is stored among the hard disk HD, and this signal is outputed to amplifier AP under the control of controller SC.

The digital tone signal that provides continuously from music data reproduction units SR is provided amplifier AP, the signal after amplifying is outputed to loudspeaker SP, as the tone sounding.

Foregoing detailed description the structure of communication system 100 according to an embodiment of the invention.Service that communication system 100 provides etc. is described below.

Figure 11 explains the precedence diagram of enrollment process according to an embodiment of the invention.Figure 12 is the example that is illustrated in the screen on the audio reproducing apparatus SAS, and Figure 13 A and 13B are the examples that is presented at the screen on the portable terminal.

The user who has audio reproducing apparatus SAS comes energized by operating operation input block SO.If with regard to energized, the controller SC of audio reproducing apparatus SAS is not with regard to start-up routine when also the user not being registered on the content server CS, (with reference to Figure 12) is presented on the display unit SI text message, impels the user that content server CS is registered.In addition, yet in an embodiment of the present invention, explained by impelling the example of the situation that the user registers on the display unit SI that text message is presented at audio reproducing apparatus SAS, for example, can impel the user to register by the address of recorded content server CS in the packet of audio reproducing apparatus SAS.

Then, according to the content that is presented on the display unit SI, with the browser function of portable terminal PS, user's Input Address is assigned to content server CS among the operation input block PO.When Input Address, the controller PC of portable terminal PS reads telephone number, and the gateway server GWS of designated store in storage unit PM attempts to be connected with gateway server GWS.When successfully setting up with being connected of gateway server GWS, the controller PC of portable terminal PS sends to gateway server GWS (refer step C2) to the address of given server CS.When the subscriber information management unit of gateway server 6WS GU when the communication interface (not shown) receives address from portable terminal PS, the telephone number from the appointment portable terminal PS of portable terminal reception is searched for as the searched key sign indicating number when connecting in database UDB.

When subscriber information management unit GU finds the telephone number consistent with the telephone number of specifying portable terminal PS, just read user ID information, transmitting system control module GC corresponding to telephone number.When system control unit GC when subscriber information management unit GU receives user ID information, this user ID information is sent to the specified content server CS (refer step C3) in address that receives from portable terminal PS.

When the controller CL of content server CS when the Internet IN etc. receives user ID information, with reference to user management file UF, confirm whether the user registers.If the user does not also have registration, just register to user management file UF (refer step C4).Then, controller CL returned text message is impelled about user's information, is input to gateway server GWS (refer step C5) such as user's name etc.Gateway server GWS is the user ID information translation that receives from content server CS a telephone number, and restriction cancellation java application and text message are sent to portable terminal PS.The controller PC of portable terminal PS is presented at the text message that receives from gateway server GWS on the display unit PI, and the restriction cancellation java application that receives is sorted out (refer step C6) in nonvolatile memory PM1.

On the other hand, the user imports (with reference to figure 13A) such as names according to the text message of the indication on the display unit PI that is presented at portable terminal PS about user's information.When the controller PC of portable terminal PS when operation input block PO etc. receives information about the user, this information is sent to content server CS (refer step C7).When the controller CL of content server CS receives this information, the information (refer step C8) of the reception that registration is consistent with above-mentioned user ID information among the user management file UF, and the text message of finishes registration sent to portable terminal PS (refer step C9).The controller PC of portable terminal PS is presented at display unit PI to the text message that receives from content server CS and goes up (refer step C10).The user confirms to be presented at the content (with reference to figure 13B) on the display unit PI, and finishes the registration to content server CS.

Figure 14 is a process flow diagram of representing to reproduce according to an embodiment of the invention process.Figure 15 A is the figure of expression according to the example that is presented at the screen on the audio reproducing apparatus of the embodiment of the invention to 15C.

At first, when reproduction was stored in a plurality of music data among the audio reproducing apparatus SAS, the user was by operation input block SO, the music data that selection will be reproduced, and import the reproduction instruction of this music data.

When the controller SC of audio reproducing apparatus SAS receives reproduction instruction (step S1) through operating input block SO, differentiate mark (with reference to figure 9) with reference to the reproduction restriction of in music data management document MF, registering, differentiate the restriction that is added on the music data and whether remove (step S2).To differentiate mark be " 0 " and (step S2 when being added in reproduction restriction cancellation on the music data when controller SC differentiate to reproduce restriction, be), the reproduction instruction of music data is sent to music data reproduction units SR (step S3), and the text message of having removed the reproduction restriction that is added on the music data is presented at upward (step S4 of display unit SI; With reference to figure 15A).The general data of music data reproduction units SR from the useful load P that is stored in corresponding music data produces tone signal, through the tone signal of output generations such as amplifier AP and loudspeaker as sound.

On the other hand, to differentiate mark be " 1 " and (step S2: not) when being added in reproduction restriction on the music data and not removing when controller SC differentiate to reproduce restriction, just the number of times the selected information of registering in music data management document MF is compared with reproducing number of times information, so that differentiate whether can reproduce (step S5).Here, for example the reproduced number of times of indicating in can reproducing number of times information is under the situation of " 3 ", the reproduction number of times of indicating in reproducing number of times information (promptly, at this moment be under the situation of " 1 " the reproduction number of times of music data), it is reproducible that controller SC differentiates, and this is not reach at this moment reproducible number of times (step S5 because reproduce number of times; Not), process enters step S6.

After controller SC sends to music data reproduction units SP to the reproduction instruction of music data (step S6), increase " 1 " reproducing the reproduction number of times of indicating in the number of times information.Then, controller SC reproduces expression number of times and is presented at (step S8 on the display unit SI having carried out the text message that can reproduce how many times after increasing; With reference to figure 15B).In addition, it is identical with aforesaid operations that music data reproduction units SR slave controller SC receives the operation of reproduction instruction, repeats no more.

On the other hand, reproduced number of times indicated in can reproducing number of times information is under the situation of " 3 ", indicated reproduction number of times (promptly in reproducing number of times information, at this moment be under the situation of " 3 " the reproduction number of times of music data), controller SC differentiates and can not reproduce, and this is to have reached reproduced number of times (step S5 at this moment because reproduce number of times; Be), and the text message that can't reproduce is presented at upward (step S9 of display SI; With reference to figure 15C).When the controller SC of each audio reproducing apparatus SAS receives the reproduction instruction of music data through operation input block SO, carry out above-mentioned reproduction process.

Figure 16 is the precedence diagram that is used to remove the process of reproducing restriction that is used for explaining according to the embodiment of the invention.Figure 17 A and 17B are the figure that indicates to be presented at the example of the screen on the portable terminal.

Promptly reproduce the user of restriction with the music data that is disengaged by reproducing/listen to music data that the restricted music data decision that is stored among the audio reproducing apparatus SAS will buy, first operating operation input block PO connects the power supply of portable terminal PS.Then, the user is by operating operation input block PO, and a plurality of java application selectional restrictions from be stored in storage area PM11 are removed java application.For audio reproducing apparatus SAS, the user also comes energized by operating operation input block PO.

The controller PC of portable terminal PS starts user-selected restriction cancellation java application (step CS1).The controller SC of audio reproducing apparatus SAS starts having at communication zone (promptly, the zone that audio reproducing apparatus SAS can use the short-distance wireless communication function to communicate by letter with other device) detection of the device (for example, portable terminal PS) of short-distance and medium-distance radio communication function.When the portable terminal PS in the controller SC detection communication zone (step CS2), controller SC comes 1 beginning to communicate by letter with portable terminal PS by the licensing process of carrying out portable terminal PS.The controller PC request audio reproducing apparatus SAS of portable terminal PS reads the song title information that is registered among the music data management document MF according to user-selected restriction cancellation java application in audio reproducing apparatus SAS.Audio reproducing apparatus SAS reads the song title information that is registered among the music data management document MF according to the request of reading in audio reproducing apparatus SAS, and through short-distance wireless communication cell S B this information is sent to portable terminal PS (step CS3).

When the controller PC of portable terminal PS through short-distance wireless communication cell S B when audio reproducing apparatus SAS receives song title information, the controller PC of portable terminal PS is presented at the song title information that receives among the display unit PI with listings format, shown in Figure 17 A (step CS4).The user who has portable terminal PS confirms to be presented at the content on the display unit PI, and selects the music data (hereinafter being called " music A ") that will buy by operating operation input block PO.When controller PC received the instruction of selecting " music A " from operating input block PO, controller PC was notified to audio reproducing apparatus SAS (step CS5) to the selection to " music A ".When the controller SC of audio reproducing apparatus SAS reception notification, controller SC reads the server appointed information of being registered corresponding to " music A " (hereinafter being called " address A ") from music data management document MF, and " address A " with device id information sent to portable terminal PS (step CS6).

When the controller PC of portable terminal PS received given content server CS " address A " and device id information, controller PC handle was used to confirm that the text message whether user buys " music A " is presented at display unit PI, shown in Figure 17 B (step CS7).When the user wants to buy " the music A " that is presented on the display unit PI, select to be presented at display unit PO by operation input block PO and go up "Yes".When controller PC detected the user and selected "Yes", controller PC repaid examination and is connected with gateway server GWS as in the above-mentioned enrollment process.After successfully connecting, controller PC sends to gateway server GWS by the music data id information with " address A ", device id information and " music A " and asks to remove reproduction restriction (step CS8).Gateway server GWS is converted to user ID information to the telephone number of portable terminal PS, and user ID information, device id information and music data id information are sent to " address A " specified content server CS.

Whether the controller CL of content server CS differentiates the restriction cancellation request from the user who registers by user ID information that relatively receives and the user ID information of registering in user management file UF.When controller CL because of the user ID information that receives when the restriction cancellation request is not differentiated in registration from the user that do not register with not ing in user management file UF, controller CL sends to portable terminal PS to the text message of notice refusal restriction cancellation request (for example, " this service only be used to register user ").To differentiate the restriction cancellation request be during from the user that registers because of the user ID that receives register in user management file UF as controller CL, controller CL produces restriction cancellation information with the device id information and the music data id information of restriction cancellation information generating algorithm AL and reception, and the restriction cancellation information that produces is sent to gateway server GWS (step CS9).

The restriction cancellation information that produces is sent to after the gateway server GWS, and controller CL calculates charge to the user with reference to charge calculation document RF, calculate charge through gateway server GWS notice toll center RS (step CS12).As the part of the communication charge of customer mobile terminal PS, toll center RS to the user collect calculate expense (step C13), and issue bill etc.Gateway server GWS sends to portable terminal PS to the restriction cancellation information that receives from content server CS.The controller PC of portable terminal PS sends to audio reproducing apparatus SAS (step CS10) to the restriction cancellation information that receives through short-distance wireless communication unit PB.When the controller SC of audio reproducing apparatus SAS receives restriction cancellation information, controller SC restriction cancellation information acquisition music data id information and the device id information of restriction cancellation information decoding algorithm AL2 from receiving.Then, controller SC is comparing from the device id information of restriction cancellation information acquisition and the device id information that is stored in the ROM etc., so that whether differentiate the restriction cancellation information that receives effective to audio reproducing apparatus SAS.

When from the device id information of restriction cancellation information acquisition be stored in device id information the ROM when not being inconsistent, controller SC is being used to notify the invalid text message (for example, " the restriction cancellation information of reception is invalid ") of restriction cancellation information of reception to be presented on the display unit SI.When from the device id information of restriction cancellation information acquisition when device id information being stored in ROM conforms to, controller SC is used to remove the process (step CS11) of the reproduction restriction that is added on the music data corresponding to the restriction cancellation information and executing that receives.In detail, controller SC differentiates mark by the reproduction restriction that changes the music data id information corresponding to from " 1 " to " 0 ", removes the reproduction restriction that is added on the music data.Then, the reproducing music data will become possibility without restriction.

As mentioned above, the audio reproducing apparatus SAS according to the embodiment of the invention stores a plurality of music datas that are added with the reproduction restriction in advance.Will buy music data when user decision, in the time of promptly will removing its music data that reproduces restriction, the user is with portable terminal PS accessed content server CS, so that send the restriction cancellation request.Content server CS produces the restriction cancellation information that is used for removing the reproduction restriction that is added on the music data corresponding to request, and sends it to portable terminal PS.Restriction cancellation information is sent to audio reproducing apparatus SAS from portable terminal PS, and audio reproducing apparatus SAS removes the reproduction restriction that is added on the music data.

With the communication system 100 according to the embodiment of the invention, the user only needs to download the necessary information of reproducing restriction of removing through portable terminal PS from content server CS, so that without any restrictedly reproducing the music data that is stored among the audio reproducing apparatus SAS.That is, because needn't be from the music data of the whole download of server expection, so, can significantly reduce download time and communication cost.

And, with communication system 100 according to an embodiment of the invention, the user is collected the expense of restriction cancellation information according to quantity, as call or with the part of the communication cost of portable terminal PS data communication.Thereby, just not necessary such as the complex operations of input credit number when downloading etc., the card number that has no credit is by risk that other people stole.The user can easily use communication system 100.

Content server CS produces the unique restriction cancellation information that will remove the music data that reproduces restriction for audio reproducing apparatus SAS storage, and sends it to portable terminal PS according to the request from portable terminal PS.The restriction cancellation information that content server CS is produced is only effective to corresponding audio reproducing apparatus SAS, thereby, can prevent that restriction cancellation information is used for removing the reproduction restriction that is added on the music data that is stored in other audio reproducing apparatus SAS.

And audio reproducing apparatus SAS can reproduce and not remove the music data that reproduces restriction according to the reproducing limit information that is included in each music data.Thereby the user can repay examination in the represented restriction of reproducing limit information after the reproducing music data, the music data that decision will be bought.

Have again, for example can be etc. in the equipment shop of selling audio reproducing apparatus SAS, add or deletion is stored in music data among the hard disk HD of audio reproducing apparatus SAS.As the method that new music data is added to audio reproducing apparatus SAS, for example, can offer the user to the CD-ROM of the new music data of storage.In this case, can be sent to new music data the hard disk HD of audio reproducing apparatus SAS with being assembled to CD-ROM on the audio reproducing apparatus SAS.And, can be new music data from the downloaded of new music data that free or charge are provided to user's computer, and be sent to the hard disk HD of audio reproducing apparatus SAS.

The present invention has been described in conjunction with the preferred embodiments.But the present invention is not limited only to the foregoing description.Those skilled in the art obviously can carry out various modifications, perfect, combination etc.

Figure 18 is the process flow diagram of expression according to the reproduction process of first modification.Figure 19 is the figure of expression according to the music data management document MF2 of first modification.In this modification, but the recovery time length information is registered in the head H as reproducing limit information.No longer explain among Figure 18 and the similar step of Figure 14, use with Figure 14 in identical reference number represent.

When process advanced to step S2 from step S1, the controller SC of audio reproducing apparatus SAS differentiated mark with reference to the reproduction restriction of registering in music data management document MF2, differentiated and whether removed the reproduction restriction that is added on the music data.

When controller SC differentiate to reproduce restriction to differentiate mark be " 1 " so (step S2 when not removing the reproduction restriction that is added on the music data; Not), but controller SC the total recovery time length information of the recovery time length information of registering in music data management document MF2 with the current total recovery time length of expression compared, but so that whether still differentiate reproducing music data (step Sa5).For example, when but but the represented recovery time length of the recovery time length information of registering in music data management document MF2 is " 3 hours ", and the represented current T.T. length of total recovery time length information is " 1 hour 30 minutes ", but controller SC does not reach the represented recovery time length of recovery time length information because of current T.T. length, and differentiate music data is reproducible, and the instruction that is used for the reproducing music data is sent to music data reproduction units SR (step Sa6).

The instruction that is used for the reproducing music data is sent to after the music data reproduction units SR, controller SC usefulness timer (not shown) etc. is measured the time span of reproducing music data, measure according to this, be updated in total recovery time length information of registering among the music data management document MF2 successively.Then, at step Sa7, Sa5 is similar with step, but controller SC compares by a recovery time length and total recovery time length, but but whether the current total recovery time length of differentiation has reached the represented recovery time length of registering of recovery time length information in music data management document MF2.But, controller SC do not reach recovery time (step Sa7 during length when differentiating total recovery time; Not), whether the further differentiation of controller SC has finished the reproduction (step Sa8) of music data.

(step Sa8 when controller SC differentiates the reproduction of having finished music data; Be), controller SC just stops above-mentioned reproduction process.(step Sa8 when controller SC differentiates the reproduction of not finishing music data; Not), process is just returned step Sa7, the process of repeated execution of steps Sa7 and step Sa8.But, controller SC reached recovery time (step Sa7 during length when differentiating total recovery time; Be), simultaneously during the process of repeating step Sa7 and step Sa8, controller SC sends to music data reproduction units SR to the instruction that stops reproducing, so that stop the reproduction (step Sa10) of music data by force.When step Sa5 differentiation music data can not reproduce, will carry out identical process at controller SC in this embodiment.

As mentioned above, but can replace reproducing number of times information with the recovery time length information and carry out the reproduction process.When with can reproduce duration information and carry out the reproduction process time, can be almost carry out the reproduction process with can reproduce number of times information the time similarly; Thereby, be not described in detail this situation.In addition, but can be simultaneously with reproducing number of times information recovery time length information and can reproducing in the duration information two kinds or 3 kinds as reproducing limit information.

Figure 20 is the figure of expression according to the example of the user management file UF2 of second modification.

The user's that user management file UF2 corresponds to each other except storage the name and user ID information, go back (Fig. 4) such as memory storage id information, song title information, music data id informations.For example when above-mentioned enrollment process, these are installed id information, song title information and music data id information and send to content server CS through portable terminal PS, and register among the user management file UF2 with the controller CL of content server CS from audio reproducing apparatus SAS.

The server appointed information that the storage unit PM storage of user's portable terminal PS is used for specifying content server CS.And, by user's operating operation input block PO, be printed on the server appointed information on the purchase packing of audio reproducing apparatus SAS by input, the server appointed information is stored among the storage unit PM.

Register among the user management file UF2 of content server CS by handle assembly id information, song title information, music data id information and the server appointed information is stored among the portable terminal PS, the user can only replace using simultaneously portable terminal PS and audio reproducing apparatus SAS with portable terminal PS, removes the reproduction restriction that is added on the music data to content server CS request.

Figure 21 explains the precedence diagram of removing the process of reproducing restriction according to second modification.When the user who has portable terminal PS for example determined to buy music data on the way home, the user imported the instruction of reading the server appointed information that is stored among the storage unit PM by the operation input block PO of operating mobile terminal PS.The controller PC of portable terminal PS sends to content server CS (step Ca1) corresponding to the server appointed information that reads to visit information.

The controller CS handle of content server CS compares (Figure 20) through user ID information that gateway server GWS provides from portable terminal PS and the user ID information that is registered in the user management file UF, and whether differentiation is to have sent request of access from the user who registers.When controller CS differentiates when the user of registration has sent request of access, controller CS is with regard to the granted access request, and song title information is sent to portable terminal PS (step Ca2).The user confirms to be presented at the song title (step Ca3) on the display unit PI of portable terminal PS, and selects the music data that will buy by operating operation input block PO.

After the music data that the user selects to buy, the song title information corresponding to selected music data is sent to content server CS to controller PC and restriction (step Ca4) is reproduced in the request releasing.When the controller CL of content server CS after portable terminal PS receives the restriction cancellation request, controller CL is by searching in user management file UF2 as search key with song title information, acquisition is corresponding to the music data id information that is included in the song title information in the restriction cancellation request, and the corresponding device thereof id information.Then, controller CL music data id information and device id information and the restriction cancellation information generating algorithm AL generation restriction cancellation information that obtains from the restriction cancellation request, and a restriction cancellation information that produces sends to portable terminal PS (step Ca5).The user confirms to have completed successfully the download to restriction cancellation information according to the displaying contents on the display unit SI.

After going home, the user sends to audio reproducing apparatus SAS (step Ca6) to the restriction cancellation information that downloads on the portable terminal PS with the short-distance wireless communication function of portable terminal PS.Audio reproducing apparatus SAS removes the reproduction restriction (step Ca7) that is added on the music data with the restriction cancellation information that receives, and then, the reproducing music data become possibility without restriction.

The user management file UF2 that registers to content server CS by handle assembly id information, song title information, music data id information also is stored in the server appointed information among the portable terminal PS, and the user can only limit the reproduction that content server CS request releasing is added on the music data with portable terminal PS.

Though in the foregoing description and modification, content server CS has produced restriction cancellation information and the restriction cancellation information that produces has been sent to portable terminal PS by the restriction cancellation request from portable terminal PS, but content server can periodically be distributed to portable terminal PS to the music information such as the song title information that is used for popular song (or once in a while).

In addition, though in the foregoing description and modification, on the display unit PI of portable terminal PS, listed the song title information (with reference to figure 17A) that to buy, for example, can wait the song title information of listing with artist, style.And, when the user has selected certain artist, can encourage the user to buy music data by showing selected artistical all monographs (for example, " monograph A ") of having issued with the collection volume.And content server CS can have the employed first charge calculation document RF under the situation of buying music data with collection volume, and under the situation of the music data of one by one selecting with the family to buy the employed second charge calculation document RF.In this case, the represented Fare Collection System (for example, to a restriction cancellation information charge) of the first charge calculation document RF can be made as and be lower than the second charge calculation document RF, and purpose is to increase the number of users of buying music data with the collection volume.

In addition, though in the foregoing description and modification, PS is interpreted as cell phone portable terminal, but, the electric device that can communicate by letter through communication network (for example the Internet) any kind with content server CS with radio communication function, such as personal handyphone system (PHS), pager, PDA(Personal Digital Assistant) etc. as portable terminal PS.And, though in the foregoing description and modification, the radio communication of using bluetooth standard as the short distance radio communication system between portable terminal PS and the audio reproducing apparatus SAS, but, short distance radio communication system can be to utilize infrared data to connect (IrDA), the infrared mobile communication of IrDA (IrMC) or WLAN (for example, IEEE 802.11a, IEEE802.11b etc.).In addition, can between portable terminal PS and audio reproducing apparatus SAS, set up wire communication, replace between portable terminal PS and audio reproducing apparatus SAS, utilizing wireless communication system with cable.And, the function that audio reproducing apparatus SAS can be furnished with portable terminal PS (promptly, the function of communicating by letter with content server CS through wireless communication system), just directly send such as the various information of restriction cancellation information or from it without portable terminal PS and receive information to content server CS.

In addition, though in the foregoing description and modification, be used as example being added with the music data that reproduces restriction,, can be with being added with the various multi-medium datas that reproduce restriction, such as cinematic data, voice data etc.

Claims (7)

1. one kind is reproduced the restriction cancellation method, is used for removing the reproduction restriction that is added on the multimedia messages that is stored in the multimedia messages reproducer, and the method includes the steps of:

(a) send to portable terminal from the multimedia messages reproducer and be used for the address information of given server, this server produces the required restriction cancellation information of reproduction restriction that is added on the multimedia messages of removing;

(b),, produce restriction cancellation information to server requests from portable terminal through the communication network access server according to the address information that receives from the multimedia messages reproducer;

(c) in server, produce restriction cancellation information according to request, only the restriction cancellation information that produces is sent to portable terminal through communication network from portable terminal;

(d) from portable terminal the restriction cancellation information that sends from server is sent to the multimedia messages reproducer; With

(e), remove the reproduction restriction that in the multimedia messages reproducer, is added on the multimedia messages according to the restriction cancellation information that receives from portable terminal.

2. reproduction restriction cancellation method according to claim 1, wherein

Described step (a) also sends to portable terminal with adding device id information described address information, that be used to discern the multimedia messages reproducer to from the multimedia messages reproducer;

The request that described step (b) will comprise the restriction cancellation information of device ID sends to server, produces restriction cancellation information with request server;

Described step (c) according to the request that is added with the device id information from portable terminal in server, produce restriction cancellation information and

Described step (e) is from restriction cancellation information acquisition device id information, by device id information that is relatively obtained and the device id information that sends in described step (a), differentiate the validity of restriction cancellation information, when differentiation restriction cancellation information is effective, in the multimedia messages reproducer, remove the reproduction restriction that is added on the multimedia messages according to restriction cancellation information.

3. reproduction restriction cancellation method according to claim 1, wherein, multimedia messages comprises the address information of given server and represents the song title information of the title of multimedia messages, and stores a plurality of multimedia messagess in the multimedia messages reproducer, also comprises step:

(f) before a plurality of song title information are sent to portable terminal from the multimedia messages reproducer in described step (a); With

(g) between described step (f) and described step (a), in portable terminal, according to the selection song title information instruction that is input to portable terminal, from a plurality of song title information that the multimedia messages reproducer receives, select at least one song title information, and selected song title information is returned the multimedia messages reproducer from portable terminal, wherein:

In described step (g) afterwards, described step (a) send corresponding to the address information of the song title information that receives from portable terminal in described step (g) and

In described step (b), (c) and (d) afterwards, described step (e) is according to the restriction cancellation information that receives from portable terminal, in the multimedia messages reproducer,, remove the reproduction restriction that is added on the multimedia messages corresponding to the song title information of from a plurality of song title information, selecting.

4. reproduction restriction cancellation method according to claim 1, wherein

Server comprises the memory storage of storage terminal id information, and Termination ID information is used for discerning the portable terminal that license request produces restriction cancellation information;

Described step (b) sends to server to the request of the restriction cancellation information that comprises Termination ID, with request server produce restriction cancellation information and

Described step (c) when request is judged as permission, in server produces restriction cancellation information according to this request by relatively differentiating license request in described step (b) Termination ID information that sends and the Termination ID information that is stored in the memory storage.

5. one kind is reproduced the restriction cancellation method, is used for removing the reproduction restriction that is added on the multimedia messages that is stored in the multimedia messages reproducer, and the method includes the steps of:

(a) according to the address information of given server, by from the multimedia messages reproducer through the wireless communication system access server, request produces restriction cancellation information, restriction cancellation information is to remove the required information of reproduction restriction that is added on the multimedia messages;

(b), in server, produce restriction cancellation information, and only the restriction cancellation information that produces is sent to the multimedia messages reproducer from server according to request from the multimedia messages reproducer; With

(c), remove the reproduction restriction that in the multimedia messages reproducer, is added on the multimedia messages according to the restriction cancellation information that receives from server.

One kind be used to have server, portable terminal and corresponding to the reproduction restriction cancellation method of the communication system of the multimedia messages reproducer of portable terminal, be used for removing the reproduction restriction that is added on the multimedia messages that is stored in the multimedia messages reproducer, wherein

Mobile terminal stores address information, this address information are used to refer to the server that restriction cancellation information is given birth in fixed output quota, restriction cancellation information be remove the required information of the reproduction restriction that is added on the multimedia messages and

Server stores Termination ID information, be used for discerning portable terminal corresponding to a plurality of song title information, each song title information representation is stored in the title corresponding to each multimedia messages in the multimedia messages reproducer of portable terminal, and the method includes the steps of:

(a) according to address information, by from portable terminal through communication network to server access, from portable terminal to server requests song title information;

(b) according to request, return a plurality of song title information corresponding to the Termination ID information of portable terminal from portable terminal;

(c) select the song title information instruction in the portable terminal according to being used for being input to, in portable terminal, select at least one the song title information from a plurality of song title information that server receives, and produce the restriction cancellation information that comprises selected song title information to server requests from portable terminal;

(d) in server, produce restriction cancellation information according to request, and the restriction cancellation information that produces is sent to portable terminal through communication network from portable terminal;

(e) from portable terminal the restriction cancellation information that server sends is sent to the multimedia messages reproducer; With

(f) according to the restriction cancellation information that receives from portable terminal, appointment will be removed its multimedia messages that reproduces restriction in the multimedia messages reproducer, and removes the reproduction restriction that is added on the specified multimedia messages according to the restriction cancellation information that receives.

7. communication system comprises:

Be used for the portable terminal of Relay Server and multimedia messages reproducer, portable terminal comprises: request unit, and to server requests restriction cancellation information, restriction cancellation information is used for removing the reproduction restriction that is added on the multimedia messages through communication network; Receiver receives restriction cancellation information from server; And transmitter, the restriction cancellation information that receives is sent to the multimedia messages reproducer;

Server comprises: maker according to the request from portable terminal, produces restriction cancellation information; And transmitter, only the restriction cancellation information that produces is sent to portable terminal through communication network; With

The multimedia messages reproducer comprises: memory storage, and storage is added with the multimedia messages that reproduces restriction; Receiver receives restriction cancellation information from portable terminal; With the restriction cancellation device, when receiver receives restriction cancellation information,, remove the reproduction restriction that is added on the multimedia messages according to restriction cancellation information.

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