| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide portable radio equipment equipped with an antenna that radiates few radio waves toward dielectrics provided contiguously to the equipment. SOLUTION: This portable radio equipment is provided with a receiving section, a transmitting section, a first antenna (2), and a second antenna (3). This equipment also has a detecting means (human body detecting sensor 4) which detects a human body approaching the equipment and makes receiving operations based on the signal from either one of the antennas (2) and (3) or the synthesized signal of the signals from both of the antennas (2) and (3). When the detecting means 4 detects an approaching human body, the equipment supplies electricity to the antennas (2) and (a).</p> |
