| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable communication terminal capable of efficiently performing multimode communication corresponding to battery voltage, and when charge of a battery is started due to stop of a main communication means, capable of suitably restoring the main communication means without causing an unanticipated situation for a user, and capable of improving user's convenience. <P>SOLUTION: If a second radio communication means 202 is connected when the battery voltage is a prescribed value Vth4 or less during the communication of a first radio communication means 102, the first radio communication means 102 of which the power consumption is much is turned to a use stop state, and when a power supply operation part 105a is operated in the above state, a selection screen for selecting whether the first radio communication means 102 is turned to a usable state or a power supply is turned off is displayed on a display means 106, or when the battery voltage exceeds a prescribed value Vth2, the first radio communication means 102 is controlled to the usable state. <P>COPYRIGHT: (C)2009,JPO&INPIT |
