Sega MEGA-CD II Manual De Instrucciones página 29

sGm
Patents:
U.S. Nos. 4,442,48614,454,59414,462.076; Europe No. 80244; Canada No. 1,183,276;
Hong Kong No.
88-4302;
Singapore No. 88-155;
Japan
No.
82-205605 (Pending)