| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide portable radio equipment capable of executing communication always matched with an antenna without being influenced by objects arranged around the antenna. <P>SOLUTION: In the portable radio equipment, the impedance of the antenna is optimized by adjusting a matching circuit connected to the antenna and having an impedance adjusting function on the basis of an antenna reflection phase outputted from a reflection phase detection circuit and a current to be supplied to a transceiver for sending a transmission signal. <P>COPYRIGHT: (C)2003,JPO</p> |
