| 摘要 |
A data communication system having an information source, a server, and a client, the server connected to the information source and having a large storage medium for storing contents data supplied from the information source, the client storing the contents data moved from the large storage medium is disclosed, wherein the client comprises storing means for storing contents data moved from the server and move history management data for managing a history of the moved contents data, and transmitting means for transmitting the move history management data to the large storage medium when contents data stored in the storing means is returned to the large storage medium of the server, and wherein the server comprises creating means for creating management data for managing contents data whenever the contents data received from the information source is stored to the large storage medium, controlling means for storing the management data created by the creating means to the large storage medium along with the contents data, receiving means for receiving the move history management data from the transmitting means of the client, and editing means for editing the management data when contents data stored in the large storage medium of the server is moved to the storing means of the client and for editing the management data corresponding to the move history management data received by the receiving means when contents data stored in the storing means of the client is returned to the large storage medium of the server. |
