| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce current consumption in a mobile apparatus by providing a changeover means for changing-over a low current consumption circuit and a normal current consumption circuit, based on information on radio wave reception quality. <P>SOLUTION: The mobile apparatus includes a mobile telephone exchange part 34 which receives radio wave transmitted from a base station 80 and is connected to the input of a base band processing part 53. When position information transmitted from the base station 80 is changed, a control part 54 outputs tuning data and a tuner part 52 successively scan TV broadcasting waves. Based on the information of the radio wave reception quality in the respective TV broadcasting waves which are received at the time, a double balance mixer 49 is changed-over into an image rejection mixer 50 by switches 22, 24, 27. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
