An electronic apparatus includes a phone CPU and a game CPU. When a * key is operated during execution of a game, the phone CPU sets a specified bit of a game key register to “1”. The phone CPU is set “1” into the specified bit when there is an incoming call of a phone during the execution of...http://www.google.com/patents/US7069044?utm_source=gb-gplus-sharePatent US7069044 - Electronic apparatus having game and telephone functions
