| 摘要 |
PURPOSE: To generate data for retrieval by a simple operation in a relatively short time even when prescribed data and music data are newly added. CONSTITUTION: When identification data are outputted from an identification data output device 6, item data corresponding to the identification data stored in a database 1 are read by an item data reader 2 and the item data are written in a memory 4 by an item data writer 3. Then, the item data are sorted by a retrieval device 4 and the sorted data are stored in the memory 4. |
