| 摘要 |
<p>First and second apparatuses, first and second methods and a computer program are provided. The first apparatus comprises: power supply circuitry configured to supply power to the second apparatus; monitoring circuitry configured to monitor an input impedance at the second apparatus, and configured, in response to a change in the input impedance at the second apparatus being detected by the monitoring circuitry, to control the power supply circuitry to supply power to the second apparatus.</p> |
