| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce power consumption. <P>SOLUTION: A portable telephone includes a first communication circuit connected to the network of a W-CDMA for communicating with a device connected to the network; a second communication circuit connected to the network of a WiMAX for communicating with the device connected to the network; power consumption detection parts (S13, S15, S18, S20) for detecting power consumption about each of the first communication line and the second communication line; and a communication circuit selection part (S21) for selecting either the first communication line or the second communication line based on the detection result of the power consumption detection part 52. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
