Communication terminal used as a game machine

Claim 1

A communication terminal, connected to a telephone line, for playing a game with an opponent through the telephone line, comprising: display means for displaying the game; touch panel provided on the display means to detect a co-ordinate to be displayed; touch signal detection means for generating a first portion signal to be transmitted to display means of a communication terminal of the opponent and corresponding to the co-ordinate; display board drive means for displaying the first position signal on the display means; PB signal transmission means for receiving and converting said first position signal into a first PB signal and transmitting the PB signal corresponding to said first position signal to the display means of the opponent through the telephone line; PB signal detection means for receiving a second PB signal from the opponent, and for converting the second PB signal from the opponent to a second position signal; and a push button type telephone connected in parallel to the communication terminal for transmitting a voice signal to the opponent, and a transformer, the communication terminal being connected in parallel to the communication line through said transformer so that the voice signal is simultaneously transmitted to the opponent with PB signals.