. "Ltd.Video game system with data transmitting/receiving controllerUS6567072 *Jun 22, 1999May 20, 2003Nec CorporationCharacter input device and methodUS6580414 *Oct 18, 1999Jun 17, 2003Gerhard WergenMethod for transferring characters especially to a computer and an input device which functions according to this methodUS20030206151 *May 3, 2002Nov 6, 2003Oross Glen A.Input device and methods and syst" . . . .