| 摘要 |
PROBLEM TO BE SOLVED: To improve convenience by a player. SOLUTION: A unit device for a game machine is provided with a transmission means for transmitting automatic feed signals indicating the automatic feed of game media for the execution of a game in the game machine to the game machine by optical communication on the basis of a card storing value information, a rewrite means for performing a rewrite processing to the value information stored in the card according to the value information corresponding to a prescribed amount of the game media in the case that the prescribed amount of the game media are fed to the game machine on the basis of the automatic feed signals, and a display means for displaying the value information stored in the card at present. COPYRIGHT: (C)2005,JPO&NCIPI
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