The music action game machine comprises: a main body; an operation input device disposed on a front side of the main body so as to be adjacent to hands of a player facing the front side of the main body, the operation input device having a plurality of operation members; a storage device for storing...http://www.google.fr/patents/US6461239?utm_source=gb-gplus-shareBrevet US6461239 - Music action game machine, performance operation instructing system for music action game and storage device readable by computer
Music action game machine, performance operation instructing system for ...