| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To actively switch to one line when the other line is disconnected in a state where both lines of a wireline and wireless can be used. <P>SOLUTION: A line that is used preferentially for communication between a wireless line 3 and a wireline line 4 is preset as a preferential line, a wireless line state detecting part 11 (21) or a wireline line state detecting part 12 (22) monitors the state of the preferential line, and when there is a line disconnection in the preferential line, a line switching part 14 (24) actively switches to a non-preferential line, and when there is line restoration of the preferential line, the line switching part 14 (24) actively switches to the preferential line. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
