| 摘要 |
<P>PROBLEM TO BE SOLVED: To avoid such a situation that the whole functions of a portable terminal can not be used due to the shortage of residual capacitance of a built-in battery. <P>SOLUTION: A portable terminal mounted with a plurality of functions that can be operated by the power fed from a secondary battery 111 dividable into a plurality of battery areas 111a to 111e is provided with a function discriminating part 109 for discriminating a function in use and a changeover switch 110 for selecting a battery area of the second battery 111 from which power supply is received in accordance with a discrimination result. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
