Patent ID: 8108572

Claim:
A transfer system comprising a storage apparatus and a playback apparatus, the storage apparatus including communication means for communicating with the playback apparatus, storage means for storing a plurality of pieces of content data in a storage medium, editing means for editing program lists in which content identifiers of the pieces of content data stored in the storage medium are registered, and associating each of the plurality of program lists with corresponding apparatus identification information uniquely identifying the playback apparatus, and control means for performing transfer control to cause the communication means to receive apparatus identification information uniquely identifying the playback apparatus, extract a program list with which apparatus identification information that matches the received apparatus identification information is associated, and cause content data that is not stored in the playback apparatus within content data corresponding to a content identifier included in the extracted program list to be transferred from the storage medium to the playback apparatus, and the control means comparing the program list with a list configured using a content identifier of the content data stored in an other storage medium of the playback apparatus, and causes content data corresponding to a content identifier that is not included in the program list and that is included in the list to be deleted from the other storage medium, and the playback apparatus including other communication means for communicating the storage apparatus, and the other storage means for storing content data received via the other communication means in another storage medium.