| 摘要 |
<p>PROBLEM TO BE SOLVED: To directly access an external device from card type portable equipment. SOLUTION: The card type portable equipment characterized by being connectable with external equipment via a plurality of signals and providing a master/slave judging means to judge whether or not the connected external equipment has a card control function to control the card type portable equipment and a master/slave switching means to have structure to be controlled by the external equipment when the master/slave judging means judges that the external equipment has the card control function and to have structure to control the external equipment when the master/slave judging means judges that the external equipment has no card control function is provided.</p> |
