| 摘要 |
<p>The method involves outputting a power supply signal (12) by a signal output terminal of audio connector (4) of mobile telephone (1) so that an electrical storage device (13) of external device (6) is charged. A data signal (15) is output by the audio connector in which data to be transmitted is encoded. Another data signal (16) is received from the external device in which data to be transmitted is encoded. An independent claim is included for apparatus for operating external device.</p> |
