Patent ID: 7483722

Claim:
A mobile communication device comprising: a housing; a processing module installed inside the housing for controlling the mobile communication device; a power supplying module for supplying needed power of the mobile communication device, the power supplying module comprising: an external devices switching module electrically connected to the processing module; and a voltage transforming module for outputting a first voltage and a second voltage, the voltage transforming module comprising a first switch for determining whether the first voltage or the second voltage is outputted; a first connecting port installed on the housing and electrically connected to the power supplying module for transmitting the first voltage outputted by the voltage transforming module; a light-emitting module electrically connected to the voltage transforming module for receiving the second voltage outputted by the voltage transforming module to emit lights; a diathermic module electrically connected to the first connecting port, the diathermic module comprising an electrode pad for providing an electrical treatment according to the voltage outputted by the first connecting port; and an external headphone electrically connected to the first connecting port on the housing for providing a phone communication; wherein the external devices switching module switches operation modes of the mobile communication device when the diathermic module or the external headphone is connected to the first connecting port; wherein the external devices switching module comprises: a first electronic analog switch for receiving the first voltage outputted by the voltage transforming module, a first signal of the external headphone, and a signal transferred from the first switch to determine whether the first voltage or the first signal is outputted according to the signal from the first switch; a second electronic analog switch for receiving a second signal of the external headphone and the signal transferred from the first switch to determine if the second signal is transferred according to the signal of the first switch.