| 摘要 |
PROBLEM TO BE SOLVED: To make a card commonly utilizable by recording retrieval information able to specify musics across plural KARAOKE traders on an electronic book and IC card. SOLUTION: The common electronic book consists of music name, retrieval information and music selection number for each one music. The designations for the music names are unified and the music names of all the KARAOKE traders to be enlisted, such as company A and company B, are completely enumerated. The unique information for specifying the music names, for example, serial numbers, etc., are used for the retrieval information. When the IC card is set at a remote controller and the musical piece number is inputted, the music selection number is displayed and whether the music corresponding to the music selection number exists in the electronic book or not is retrieved with respect to the electronic book in a remote control memory 2-21. If there is the music, the name and retrieval information of the corresponding music are read out to a work memory 2-23 and the music name is displayed on a display. When a writing button existing within an operation button group 2-5 is depressed at this time for the purpose of registration to the IC card, the retrieval information existing in the work memory 2-23 is registered to the IC card. |
