| 摘要 |
PROBLEM TO BE SOLVED: To provide a plurality of pieces of information to a user by without concentrating a load on one device. SOLUTION: This data transfer device 1a includes: a first storage part 2; a second storage part 3; a response part 4; and a retrieval request transmission part 5. The first storage part 2 stores first information 2a accessory to content. A second storage part 3 stores second information 3a, accessory to the content, created after the first information 2a is created. A response part 4 retrieves one or both of the first information 2a and the second information 3a according to the retrieval request of content from the other device. A retrieval request transmission part 5 creates the retrieval request of content to the other device, and transmits it to the other device. COPYRIGHT: (C)2010,JPO&INPIT |
