Contents distribution system, portable terminal player, and contents provider

A contents distribution system comprising:

• a contents provider that comprises a contents server and a user information database and that distributes contents to a subscriber over a communication network according to an SDMI (Secure Digital Music Initiative) check-in/check-out rule, said contents server storing therein authored contents, said user information database having an area in which subscriber's contents download information and right information are recorded;
• and
• a portable terminal player, owned by the subscriber, that comprises a recording medium playback function playing back the contents downloaded to a recording medium and a check-in function returning a playback right back to said contents provider, said playback right allowing the subscriber to play back the downloaded contents,
• wherein said contents provider manages contents distribution to the subscriber according to the SDMI check-in/check-out rule in such away that, when the contents are distributed to said portable terminal player of the subscriber, said contents provider manages a number of check-outs of the contents to the subscriber and, when the subscriber checks in the distributed contents, said portable terminal player erases a key for playing back the contents and a file name and, at the same time, returns the playback right to the area in which the right information is recorded in said user information database.

A contents distribution system comprising:

• a contents provider that comprises a contents server and a user information database and that distributes contents to a subscriber over a communication network and saves and distributes user-migrated contents into and from the contents server, said user information database having an area in which subscriber's contents download information and right information are recorded;
• and
• a portable terminal player, owned by the subscriber, that comprises a recording medium playback function playing back the contents downloaded to a recording medium and a check-in function returning a playback right back to said contents provider, said playback right allowing the subscriber to play back the downloaded contents,
• wherein, when the subscriber migrates ripped contents to the contents server of said contents provider from said portable terminal player according to an SDMI rule, said contents provider manages a distribution of the migrated contents to the subscriber according to the SDMI check-in/check-out rule.

A contents distribution system comprising:

• a contents provider that comprises a contents server storing therein authored contents and that supplies the contents to a contents distributor;
• the contents distributor that comprises a distribution contents server in which the contents supplied from said contents provider are stored and a user information database having an area in which subscriber's contents download information and right information are recorded and that distributes the contents to a subscriber;
• and
• a portable terminal player, owned by the subscriber, that comprises a recording medium playback function playing back the contents distributed from said contents distributor and downloaded to a recording medium and a check-in function returning a playback right back to said contents distributor, said playback right allowing the subscriber to play back the downloaded contents,
• wherein said contents distributor manages contents distribution from said distribution contents server to said portable terminal player according to an SDMI check-in/check-out rule in such a way that, when the contents are distributed to said portable terminal player of the subscriber, said contents distributor manages a number of check-outs of the contents to the subscriber and, when the subscriber checks in the distributed contents to said contents distributor, said portable terminal player erases a key for playing back the contents and a file name and, at the same time, returns the playback right to the area in which the right information is recorded in said user information database.

A contents distribution system comprising:

• a contents provider that comprises a contents server storing therein authored contents and that supplies the contents to a contents distributor;
• the contents distributor that comprises a distribution contents server in which the contents supplied from said contents provider are stored and a user information database having an area in which subscriber's contents download information is stored;
• a general server that comprises a user contents server in which the contents transmitted from said contents distributor or the contents ripped or moved by a subscriber are stored and a user information database having an area in which subscriber's right information is recorded and that distributes the contents from said user contents server to a subscriber's portable terminal player;
• and
• the portable terminal player, owned by the subscriber, that comprises a recording medium playback function playing back the contents downloaded from said contents distributor or said general server to a recording medium and a check-in function returning a playback right back to said general server, said playback right allowing the subscriber to play back the downloaded contents,
• wherein, when the contents purchased by the subscriber and downloaded to the recording medium are moved to the user contents server of the general user according to an SDMI rule or when the subscriber directly transmits the contents to the user contents server while ripping and compressing the contents or migrates the contents that have been recorded in the recording medium according to the SDMI rule, said general server manages contents distribution from said user contents server to the subscriber's portable terminal player according to the SDMI check-in/check-out rule.