| 摘要 |
The present invention is an auxiliary portable device (20) configured to provide a functionality (HWF) to a main device (15), and comprising means (MC) for deactivating at least one of the constituent members (WLCT, HWF) thereof in order to reduce the electrical consumption thereof. The device also comprises means (VD) for detecting a dedicated mechanical vibration (MV) generated by a vibrator of the main device, and means (MC, VD) for activating the deactivated member when the vibration is detected. |
