KR100753787B1 - Portable device playing multimedia contents which provided with bundle and method of operating sever for providing multimedia contents - Google Patents

Abstract

A portable device for playing multimedia contents provided in a bundle and a method for operating a multimedia content providing server are provided to remove inconvenience of making a user search/download the multimedia contents one by one by connecting to a server by providing the multimedia contents in the bundle and permitting playback of the multimedia contents after authentication. A memory(201) stores the multimedia contents provided in the bundle. A user input part(202) receives user information for playing the multimedia contents provided in the bundle. A license receiver(203) transmits an authentication request including device information of the portable device in response to the user input and receives a license managing the multimedia contents as a group if the authentication request is approved. A content update manager(205) receives the multimedia contents within a storage range of the memory in response to an update request including update condition information. A memory recorder(206) updates the received multimedia contents to the memory. A license updater(207) manages the updated multimedia contents based on the license.

Description

PORTABLE DEVICE PLAYING MULTIMEDIA CONTENTS WHICH PROVIDED WITH BUNDLE AND METHOD OF OPERATING SEVER FOR PROVIDING MULTIMEDIA CONTENTS}

1 is a diagram schematically illustrating a network connection relationship between a portable device and a multimedia content providing server according to an exemplary embodiment of the present invention.

2 is a block diagram illustrating an internal configuration of a portable device according to an embodiment of the present invention.

3 is a diagram illustrating an example of a screen for requesting authentication for multimedia content to a server according to an embodiment of the present invention.

4 is a diagram illustrating an example of a screen for requesting authentication for multimedia content to a server according to another embodiment of the present invention.

5 illustrates an example of a user interface according to an embodiment of the present invention.

6 is a diagram illustrating an example of a screen provided when an update attempt exceeding a storage space is performed.

7 is a diagram illustrating an example of a screen for requesting a license reissue upon expiration of the usage period according to an embodiment of the present invention.

8 is a flowchart illustrating a method of operating a multimedia content providing server according to an embodiment of the present invention.

9 is a flowchart illustrating a license reissuance method according to an embodiment of the present invention.

10 is an internal block diagram of a general purpose computer device that may be employed to perform a method of operating a multimedia content providing server according to the present invention.

<Explanation of symbols for main parts of the drawings>

200: portable device

201: memory means 202: user input unit

203: license receiving unit 204: user interface unit

205: content update management unit 206: memory recording unit

207: license update unit 208: duration determination unit

209: License reissue request unit 210: License renewal unit

The present invention relates to a portable device for reproducing multimedia content, and more particularly, to a portable device for reproducing a multimedia content provided in a bundle through an authentication process and a method of operating a multimedia content providing server for providing the multimedia content. will be.

Recently, with the development of the high speed data communication network, many people are using the Internet, and with the increase of the use of the Internet, users can easily access various multimedia contents. In particular, the use of digital compression technology and the sharing of multimedia contents through the Internet or P2P methods have increased remarkably, thereby promoting the growth of the portable device market such as MP3 players. Furthermore, with the advent of Portable Multimedia Player (PMP), which plays multimedia contents such as MP3 files and video files, the portable device market is expected to expand gradually.

On the other hand, the communication terminal has a variety of functions (for example, MP3 player function, camera, etc.) to meet the needs of the user, away from the basic voice call service and text service provided with the development of communication technology and increased use of users. Function, etc.) to provide the user's convenience.

A multimedia content stored in a conventional portable device or a communication terminal is a user accesses a multimedia content providing server to search for desired multimedia content, and downloads and stores the retrieved multimedia content to the portable device. When the user accesses a server to search for multimedia content, the user may search for multimedia content using, for example, a singer's name or a title of the content according to the user's taste. However, when the capacity of the portable device is at least 5 GB and the multimedia content is 5 MB, it is limited that a user searches and downloads about 1,000 multimedia contents according to his / her preference to the portable device capable of storing about 1,000 multimedia contents. There is.

In addition, the multimedia content bundled to a conventional portable device or a communication terminal is provided by a provider of a portable device to complete payment for the multimedia content and store the same in a portable device to a user. The bundled multimedia content may be played permanently unless deleted by the user. However, the multimedia content is an expensive price of about 100 won to 1,000 won per one multimedia content, and the supplier who purchases the multimedia content provided in the conventional bundle, stores the multimedia content in the portable device, and sells the multimedia content. The burden from the purchase of content is increasing. For example, Samsung Electronics spends more than hundreds of millions of dollars per year on multimedia contents bundled in mobile phones.

Korean Laid-Open Patent Publication No. 2002-75890 discloses an information supply system and a recording / reproducing apparatus for recording and shipping contents usable in advance on a storage medium such as a hard disk.

However, Korean Patent Laid-Open Publication No. 2002-75890 sets and manages each of the contents previously recorded and shipped to the recording / reproducing apparatus for free / free, so that the contents recorded and shipped to the recording / reproducing apparatus cannot be integrated.

In addition, Korean Patent Publication No. 2002-75890 discloses only the contents of recording and shipping contents, so there is a problem in that it does not meet the requests of users who constantly request new contents.

Therefore, there is an urgent need for a new multimedia content providing method that can collectively manage contents stored in a recording medium, facilitate user convenience, and efficiently update new contents continuously.

The present invention has been made to solve the above-described problems of the prior art, by providing a bundle of multimedia content to a portable device, by performing the authentication process for the multimedia content to be played by the user connected to the server one by one multimedia content A portable device for reproducing a multimedia content for relieving inconvenience of having to search for and downloading and a method of operating a multimedia content providing server for providing the multimedia content.

In addition, the present invention provides a multimedia content bundled to a portable device by a provider of the portable device, and the user pays and uses the provided multimedia content for an amount corresponding to a predetermined period of use so that the multimedia content can be more efficiently provided from the supplier's perspective Its purpose is to provide.

In addition, an object of the present invention is to update the multimedia content according to the user's taste by receiving and updating the multimedia content bundled in the portable device from the server according to the condition information desired by the user.

In order to achieve the above object and to solve the above-mentioned problems of the prior art, the portable device for playing the multimedia content according to an embodiment of the present invention, the memory means for storing the multimedia content provided in a bundle; A user input unit configured to receive a user input for playing the bundled multimedia content; A license receiver configured to transmit an authentication request including device information of the portable device in response to the user input, and receive a license for managing the multimedia contents as a group when the authentication request is approved; A content update manager configured to receive one or more multimedia contents transmitted within a storage space of the memory means in response to an update request including condition information for updating multimedia contents; A memory recorder for updating the received multimedia content to the memory means; And a license updater configured to manage multimedia contents updated in the memory means by the license.

At this time, the license is issued by a predetermined server, and the server may approve the authentication request and issue the license after payment of the amount corresponding to the multimedia content is completed.

Further, a method of operating a multimedia content providing server according to another embodiment of the present invention, the method comprising: maintaining a management database for recording device information and multimedia content information corresponding to the device information; Receiving an authentication request including the device information from a predetermined portable device; Identifying the portable device by using the device information, and making a payment for an amount corresponding to the multimedia content bundled in the portable device; Generating a license for managing the multimedia contents in groups after the payment is completed and transmitting the license to the portable device; Maintaining a multimedia content database storing one or more multimedia content; Receiving an update request including condition information about the portable device; Automatically reading one or more multimedia contents corresponding to the condition information from the multimedia contents database; And transmitting the read multimedia content to the portable device.

Hereinafter, a portable device for playing multimedia content and a method of operating a multimedia content providing server for providing multimedia content according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram schematically illustrating a network connection relationship between a portable device and a multimedia content providing server according to an exemplary embodiment of the present invention.

As illustrated in FIG. 1, the portable device 110 receives a user input for playing the bundled multimedia content, and provides a multimedia content request for authentication including device information of the portable device in response to the user input. The multimedia content providing server 120 identifies the portable device 110 by using the transmitted device information, and for the amount corresponding to the multimedia content bundled in the portable device 110. Make a payment. The multimedia content providing server 120 approves the authentication request after the payment is completed, generates a license for managing the multimedia content as a group, and transmits the license to the portable device, and the portable device 110 provides the license. Receive.

In this case, the portable device 110 may communicate with the multimedia content providing server 120 through the wireless Internet. In addition, the portable device 110 may be connected to the host device 130 by wire and may communicate with the multimedia content providing server 120 through the host device 130.

2 is a block diagram illustrating an internal configuration of a portable device according to an embodiment of the present invention.

As shown in FIG. 2, the portable device 200 includes a memory means 201, a user input unit 202, a license receiving unit 203, a user interface unit 204, a content update management unit 205, and a memory recording unit 206. ), A license update unit 207, a usage period determination unit 208, a license reissue request unit 209, and a license update unit 210.

According to an embodiment of the present invention, the portable device 200 may include any one or more of a mobile phone, an MP3 player, a portable multimedia player (PMP), telematics, and a set-top box.

The memory means 201 of the portable device 200 stores the multimedia content provided in a bundle. That is, the multimedia content provided in the bundle is multimedia content mounted on the portable device 200 before the user purchases the portable device 200. For example, the portable device 200 may be connected to the memory means 201. The audio content "1,000 songs" provided as a bundle may be stored.

According to an embodiment of the present invention, the memory means 201 of the portable device 200 may be divided into a first area and a second area, and may store the multimedia content provided in the bundle in the first area. Any multimedia content may be downloaded from a predetermined server and stored in the second area according to a user's request.

The user input unit 202 receives a user input for playing the multimedia content provided in the bundle. In one example, the user input unit 202 may receive a user input to play the audio content "love" of the multimedia content provided in the bundle.

The license receiver 203 transmits an authentication request including device information of the portable device 200 in response to the user input, and receives a license for managing the multimedia contents in a group when the authentication request is approved.

At this time, the license is any one of a tree structure license that manages all the multimedia contents corresponding to a leaf that is dependent on the root using a root license, and a license that manages multimedia contents using the same content key. It can be one.

For example, the license receiver 203 transmits an authentication request including device information "HD-820" of the portable device 200 in response to the user input, and when the authentication request is approved, the bundled multimedia content. Can receive a license "License 1" for managing the group in a group.

According to an embodiment of the present invention, the license may include key information capable of decrypting the multimedia content, usage restriction information, and information for validating the license. For example, the received license may include a usage period that is usage restriction information so as to manage the multimedia content, and when the usage period expires, the license may be revoked so that the multimedia content cannot be used.

According to another embodiment of the present invention, the license is issued by a predetermined server, and the server may approve the authentication request and issue the license after payment of the amount corresponding to the multimedia content is completed.

According to the present embodiment, the server may process the authentication request using a user ID and a password together with the device information of the portable device 200.

3 is a diagram illustrating an example of a screen for requesting authentication for multimedia content to a server according to an embodiment of the present invention.

As illustrated in FIG. 3, the portable device 200 may receive a user input to play an audio content “loved” of the bundled multimedia content (see FIG. 3A), and the user input. As a result, the server may access the server and receive an input of a payment request to make a payment for the amount corresponding to the multimedia content from the server (see (b) of FIG. 3). The portable device 200 transmits an authentication request including device information of the portable device 200 to the server, and refers to the payment information "payment period 3,000 won (1 month)" input from the user. Payment corresponding to the multimedia content may be performed (see (c) of FIG. 3). The server may complete the payment, approve the authentication request of the user, and transmit the license to the portable device 200, and the portable device 200 may receive the license (FIG. 3D). Reference).

In addition, according to another embodiment of the present invention, the portable device 200 may communicate with the server through the wireless Internet.

In addition, according to another embodiment of the present invention, the portable device 200 may be wired to a predetermined host device and communicate with the server through the host device. Meanwhile, the host device communicates with the server using a wired or wireless internet. For example, when the host device is connected to the portable device 200 by wire, the host device may automatically execute a predetermined application or an application provided by a website separately and communicate with the server through the application.

4 is a diagram illustrating an example of a screen for requesting payment for multimedia content to a server according to another embodiment of the present invention.

FIG. 4 may be a screen displayed on a host device in which a portable device or a portable device directly connected to a server through a wireless Internet is connected by wire.

As shown in FIG. 4, the user selects the amount “1 month: 3000 won” corresponding to the multimedia content through an application executed on the host device connected to the portable device 200 by wire (reference numeral 410). And the payment means "mobile phone" (reference numeral 420) to perform the payment. When the payment is completed, the host device may receive a license from the server.

In addition, according to another embodiment of the present invention, the license uses a root license to manage multimedia contents using a same structure key and a tree structure license for managing all multimedia contents corresponding to a leaf dependent on a root. It can be any one of the licenses.

In addition, according to another embodiment of the present invention, the portable device 200 may check the number of times of playing the multimedia content stored in the memory means 210 and transmit the check result to the server. That is, the portable device 200 checks the number of times of playing the multimedia content provided in the bundle to the memory means 210 by the user.

In addition, the portable device 200 communicating with the server through the wireless Internet according to another embodiment of the present invention may update the multimedia content according to the condition information input from the user.

The user interface 204 may provide the user with a user interface for receiving condition information for updating the multimedia content, and receive the condition information from the user.

5 illustrates an example of a user interface according to an embodiment of the present invention.

5 may be a screen displayed on a host device in which a portable device or a portable device directly connected to a server through a wireless Internet is connected by wire.

As illustrated in FIG. 5, the portable device 200 provides the user with the user interface for selecting and inputting the condition information for each category such as genre and age, and the user provides the user interface through the user interface. Condition information "Genre: OST, Song", "Age: Teenager, 20s", "Latest Song: Top 100" can be selected and entered.

The content update management unit 205 allows the update request including the input condition information to be transmitted to the multimedia content providing server, and receives one or more multimedia contents according to the condition information from the server, and the memory recording unit 206. Updates the received multimedia content to the memory means 201. The license updater 207 allows the multimedia contents updated in the memory means to be managed by the license.

In addition, according to another embodiment of the present invention, the portable device 200 is wired to the host device, and communicates with the server through the host device to the multimedia content according to the condition information input from the user You can update it.

The user interface unit 204 provides a user interface for receiving the condition information for updating the multimedia content to the user, and receives the condition information from the user. For example, the user interface unit 204 may receive the condition information "genre: ballad" and "age: thirties" from the user through the user interface.

The license updater 207 causes the update request including the input condition information to be transmitted to the server, and allows the at least one multimedia content according to the condition information from the multimedia content providing server to be updated to the portable device, and is portable. The updated multimedia content in the device 200 is managed by the license. For example, an update request including the condition information "genre: ballad" and "age: 30" is transmitted to the server, and the one or more multimedia contents according to the condition information are transmitted from the multimedia content providing server to the portable device. The multimedia content updated in the portable device 200 may be managed by "license 1" which is a license issued by the authentication request.

In addition, according to another embodiment of the present invention, the license restricts the usage period for the multimedia content, and the usage period determination unit 208 refers to the license to determine the usage period for the multimedia content. You can judge. For example, the license limits the usage period of the multimedia content to "30 days (1 month)," and the usage period determination unit 208 refers to the license, and the elapsed time according to the use of the multimedia content. The usage period "30 days" for the multimedia content may be determined.

The license reissue request unit 209 allows the license reissue request to be transmitted to the server when the user requests a license reissue when the usage period has expired. For example, when the limited usage period for the multimedia content is 30 days and the usage period determined by the usage period determining unit 208 is “30 days”, it is determined that the usage period has expired, and the user requests a license reissue. In this case, a license reissue request may be transmitted to the server.

6 is a diagram illustrating an example of a screen provided when an update attempt exceeding a storage space is performed.

Referring to FIG. 6, when it is determined that the multimedia content to be updated exceeds the remaining capacity of the portable device at an update corresponding to the condition information of the user, a warning message informing the user that contents previously stored in the portable device may be deleted. It can be seen that provides.

At this time, if the user selects "OK", the content previously stored in the portable device is deleted so that the storage space of the multimedia content to be updated is secured.

At this time, the contents previously stored in the portable device may be arbitrarily deleted, or the ones having a small number of reproductions may be selected and deleted. In other words, the contents of the existing contents stored in the portable device having a small number of times of reproduction may be regarded as having low user preferences, and thus the new multimedia contents are deleted and updated.

The screen shown in FIG. 6 may be a screen provided by a portable device or may be a screen provided by a host device such as a PC.

7 is a diagram illustrating an example of a screen for requesting a license reissue upon expiration of the usage period according to an embodiment of the present invention.

As shown in FIG. 7, the license reissue request unit 209 judges the usage period of the multimedia content, and when the usage period has expired, the user is unable to listen to the song because the current license has expired. You can listen normally. Do you want to make a payment? " In addition, the license reissue request unit 209 may receive a license reissue request including payment information “one month: 3000 won” from the user and transmit a license reissue request to the server.

The license update unit 210 updates the license for the multimedia content when the license is reissued in response to the license reissue request. For example, the license update unit 210 may renew the license "License 1" for the multimedia content when the license "License 2" is reissued in response to the license reissue request.

8 is a flowchart illustrating a method of operating a multimedia content providing server according to an embodiment of the present invention.

In operation S810, the multimedia content providing server maintains a management database that records device information and multimedia content information corresponding to the device information. For example, the device information may include device information or serial number information of the portable device, and the multimedia content information may record a list of multimedia contents provided in a bundle.

In operation S820, the multimedia content providing server receives an authentication request including the device information from a predetermined portable device. For example, the multimedia content providing server may receive an authentication request including the device information "HD-820" from the portable device. In addition, as an example, the multimedia content providing server may receive an authentication request further including the social security number "714014-1014014" of the user from the portable device.

According to an embodiment of the present invention, the multimedia content providing server may process the authentication request using a user ID and a password together with the device information. For example, the multimedia content providing server may process the authentication request using the user ID “JUNG104” and the password “WJDDMS” received from the portable device together with the device information “HD-820”.

In operation S830, the multimedia content providing server identifies the portable device by using the device information, and makes a payment for an amount corresponding to the multimedia content bundled in the portable device. For example, the multimedia content providing server may identify the portable device by using the device information, and allow payment for an amount of “one month: 3,000 won” corresponding to the multimedia content bundled in the portable device. have.

In step S840, the multimedia content providing server generates a license for managing the multimedia content in groups after the payment is completed and transmits the license to the portable device. The license may include usage period information.

According to an embodiment of the present invention, the license is a tree structure license for managing all multimedia contents corresponding to a leaf dependent on a root using a root license, and a license for managing multimedia contents using the same content key. It can be either.

According to another embodiment of the present invention, the multimedia content providing server may receive a result of checking the number of times of playing the multimedia content stored in the portable device from the portable device.

In operation S850, the multimedia content providing server maintains a multimedia content database that stores one or more multimedia contents.

In operation S860, the multimedia content providing server receives an update request including condition information from the portable device. For example, the multimedia content providing server may receive an update request including the condition information "genre: OST, song", "age: 10, 20", "latest song" from the portable device.

In step S870, the multimedia content providing server automatically reads one or more multimedia contents corresponding to the condition information from the multimedia contents database. For example, the multimedia content providing server may automatically read multimedia content corresponding to the condition information "genre: OST, song", "age: teenager, 20", "latest song" from the multimedia content database. .

In addition, according to an embodiment of the present invention, the multimedia content providing server may automatically read one or more multimedia contents from the multimedia contents database without exceeding a predetermined number or capacity corresponding to the portable device. That is, the multimedia content providing server automatically reads from the multimedia content database so as not to exceed the number or capacity of the multimedia content stored in the portable device. For example, when the number of multimedia contents stored in the portable device is "1000", the multimedia content providing server automatically reads from the multimedia contents database so that the number of the read multimedia contents does not exceed "1000". I can ship it. In addition, when the portable device corresponds to 40 gigabytes, the multimedia content providing server may read the multimedia content as long as the portable device does not exceed the capacity of the portable device.

In operation S880, the multimedia content providing server transmits the read multimedia content to the portable device.

Each step shown in FIG. 8 may be performed in the order shown in FIG. 8, in the reverse order, or simultaneously.

In addition, according to another embodiment of the present invention, the multimedia content providing server may reissue the license when the usage period of the multimedia content bundled with the portable device expires. Hereinafter, a description will be given with reference to FIG. 9.

9 is a flowchart illustrating a license reissuance method according to an embodiment of the present invention.

In operation S910, the multimedia content providing server receives a license reissue issuance request for the multimedia content from the portable device when the usage period for the multimedia content has expired.

At this time, reissuance indicates additional payment and new license issuance upon license expiration.

For example, a usage period for the multimedia content provided in the portable device as a bundle is “30 days (one month)”, and a license for managing the multimedia content as a group exceeding the usage period “30 days”. When the "License 1" expires, the portable device may transmit a license reissue request to the multimedia content providing server according to a user input, and the multimedia content providing server may receive the license reissue request from the portable device. have. The multimedia content provided in a bundle to the portable device may be one or more multimedia contents mounted on the portable device before the user purchases the portable device.

In step S920, the multimedia content providing server causes an amount corresponding to the license reissue request to be settled. For example, the multimedia content providing server may allow the amount “2 months: 6,000 won” corresponding to the license reissue request.

In operation S930, the multimedia content providing server reissues a license for the multimedia content after the payment is completed, and transmits the license to the portable device. For example, the multimedia content providing server may reissue the license 2, which is a license for managing the multimedia content in a group, and transmit the license 2 to the portable device. The reissued license may manage the multimedia content as a group with a new license different from the expired license.

The method of operating a multimedia content providing server according to the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. The medium may be a transmission medium such as an optical or metal wire, a waveguide, or the like including a carrier wave for transmitting a signal specifying a program command, a data structure, or the like. Examples of program instructions include machine code, such as produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

10 is an internal block diagram of a general purpose computer device that may be employed to perform a method of operating a multimedia content providing server according to the present invention.

The computer device 1000 includes one or more processors 1010 connected to a main memory device including a random access memory (RAM) 1020 and a read only memory (ROM) 1030. The processor 1010 is also called a central processing unit (CPU). As is well known in the art, the ROM 1030 serves to transfer data and instructions to the CPU unidirectionally, and the RAM 1020 typically transmits data and instructions bidirectionally. Used to. RAM 1020 and ROM 1030 may include any suitable form of computer readable media. Mass storage 1040 is bi-directionally coupled to processor 1010 to provide additional data storage capability, and may be any of the computer readable recording media described above. The mass storage device 1040 is used to store programs, data, and the like, and is a secondary memory device such as a hard disk which is generally slower than the main memory device. Certain mass storage devices such as CD ROM 1060 may be used. The processor 1010 may include one or more input / output interfaces, such as a video monitor, trackball, mouse, keyboard, microphone, touchscreen display, card reader, magnetic or paper tape reader, voice or handwriting reader, joystick, or other known computer input / output device. 1050 is connected. Finally, the processor 1010 may be connected to a wired or wireless communication network through the network interface 1070. Through this network connection, the procedure of the method described above can be performed. The apparatus and tools described above are well known to those skilled in the computer hardware and software arts. On the other hand, the hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention.

As described above, although the present invention has been described with reference to limited embodiments and drawings, the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

According to the present invention, by providing a bundle of multimedia contents to a portable device and performing the authentication process on the multimedia contents to play the multimedia contents, the user may access the server to search and download the multimedia contents, thereby eliminating the inconvenience of having to download the multimedia contents. .

In addition, according to the present invention, the provider of the portable device provides the multimedia content bundled to the portable device, and the user pays and uses the provided multimedia content for a predetermined period of use, thereby more efficiently in terms of the multimedia content. Can be provided.

In addition, the present invention can update the multimedia content according to the user's taste by receiving and updating the multimedia content bundled in the portable device from the server according to the condition information desired by the user.

Claims (21)

In a portable device for playing multimedia content, Memory means for storing multimedia content provided in a bundle; A user input unit configured to receive a user input for playing the bundled multimedia content; A license receiver configured to transmit an authentication request including device information of the portable device in response to the user input, and receive a license for managing the multimedia contents as a group when the authentication request is approved; A content update manager configured to receive one or more multimedia contents transmitted within a storage space of the memory means in response to an update request including condition information for updating multimedia contents; A memory recorder for updating the received multimedia content to the memory means; And License update unit for managing the multimedia content updated in the memory means by the license Portable device comprising a. The method of claim 1, The condition information is Portable device comprising genre information and user age information. The method of claim 1, The license is issued by a predetermined server, and the server approves the authentication request and issues the license after the payment for the amount corresponding to the multimedia content is completed. The method of claim 3, The content update management unit If the capacity of the multimedia content corresponding to the update request is determined to exceed the remaining storage space of the memory means according to the user's response as much as the storage space necessary for storing the multimedia content corresponding to the update request Portable device, characterized in that for deleting the multimedia content already stored in. The method of claim 4, wherein The content update management unit And deleting less of the number of times of playing the multimedia contents already stored in the memory means as much as the storage space necessary for storing the multimedia contents corresponding to the update request. The method of claim 3, The server is a portable device, characterized in that for processing the authentication request using a user ID and password with the device information of the portable device. The method of claim 3, The portable device checks the number of times of playing the multimedia content stored in the memory means, and transmits the check result to the server. The method of claim 3, The portable device is a portable device, characterized in that for communicating with the server via a wireless Internet. The method of claim 8, The portable device Further comprising a user interface for receiving the condition information from the user through a user interface, And the content update manager to transmit an update request including the input condition information to the server, and receive the one or more multimedia contents from the server. The method of claim 3, The portable device is wired to a predetermined host device and communicates with the server through the host device. The method of claim 10, The host device Receiving the condition information from the user through a user interface, the update request including the input condition information is transmitted to the server, from the server is updated at least one multimedia content according to the condition information to the portable device And control the multimedia content updated in the portable device to be managed by the license. The method of claim 11, The content update management unit In response to an update request including condition information for updating the multimedia contents under the control of the host device, one or more multimedia contents transmitted within the storage space of the memory means are received and are already stored in the memory means. Portable device, characterized in that for deleting the multimedia content. The method of claim 1, The license limits the usage period for the multimedia content, The portable device A usage period determination unit for determining the usage period for the multimedia content with reference to the license; A license reissue request unit for transmitting a license reissue request when a user requests a license reissue when the period of use expires; And License update unit for updating the license for the multimedia content when the license is reissued in response to the license reissue request Portable device, characterized in that it further comprises. The method of claim 1, The portable device comprises at least one of a mobile phone, an MP3 player, a portable multimedia player (PMP), telematics, and a set-top box. The method of claim 1, The license may be any one of a tree structure license for managing all multimedia contents corresponding to a leaf subordinate to a root using a root license and a license for managing multimedia contents using the same content key. . In the operation method of the multimedia content providing server for providing multimedia content, Maintaining a management database for recording device information and multimedia content information corresponding to the device information; Receiving an authentication request including the device information from a predetermined portable device; Identifying the portable device by using the device information, and making a payment for an amount corresponding to the multimedia content bundled in the portable device; Generating a license for managing the multimedia contents in groups after the payment is completed and transmitting the license to the portable device; Maintaining a multimedia content database storing one or more multimedia content; Receiving an update request including condition information about the portable device; Automatically reading one or more multimedia contents corresponding to the condition information from the multimedia contents database; And Transmitting the read multimedia content to the portable device Operating method of a multimedia content providing server comprising a. The method of claim 16, And the multimedia content providing server processes the authentication request using a user ID and a password together with the device information. The method of claim 16, The operating method of the multimedia content providing server And receiving a result of checking the number of times of playing the multimedia content stored in the portable device from the portable device. The method of claim 16, The condition information is A method of operating a multimedia content providing server comprising genre information and user age information. The method of claim 16, The operating method of the multimedia content providing server Receiving a license reissue request for the multimedia content from the portable device when the usage period for the multimedia content has expired; And Making a payment corresponding to the license reissue request and reissuing a license for the multimedia content and transmitting the license to the portable device Method of operating a multimedia content providing server further comprises. A computer-readable recording medium in which a program for executing the method of any one of claims 16 to 20 is recorded.

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