Patent ID: 6108186
Filing Date: 2000-08-22
Classification: A63F,G06N,H02H

Abstract:
A game machine having communication terminals characterized in that:(a) it includes a game machine main body;(b) it includes communication terminals provided such that they are exposed at one side of said game machine main body;(c) said game machine main body includes an integrated circuit portion for transmitting and receiving data to and from another game machine through said communication terminals when said communication terminals are connected to communication terminals of another game machine;(d) said integrated circuit portion includes a control portion for controlling the progress of a game in accordance with said received data;(e) a protection circuit is provided between said integrated circuit portion and communication terminals;(f) said protection circuit includes a first diode for bypassing a current produced by a positive surge voltage;(g) said protection circuit includes a second diode for bypassing a current produced by a negative surge voltage;(h) said first diode and second diode are series-connected in the forward direction and said connecting point is connected to said communication terminals;(i) said protection circuit includes a resistor circuit for reducing a current that flows into said integrated circuit portion; and(j) said resistor circuit is provided on a communication line between said integrated circuit portion and communication terminals.