Patent ID: 9722654
Date: 2017-08-01
CPC Classifications: H04B,H04M

Claim:
1. A smart ultra box, adapted to a protective case protecting a mobile communication device, the ultra box comprising: a main body, having an output interface and an external power interface; a conversion unit, disposed on the main body, to electrically connect the output interface and the external power interface; and an expansion module, electrically connected to the conversion unit; a flexible printed circuit board, electrically connected to the conversion unit, the flexible printed circuit board extending outwardly from the main body; wherein, the expansion module is for communication with an external device; the expansion module comprises a processing unit, a memory unit and a communication unit; the processing unit is electrically connected to the conversion unit, the output interface, the memory unit and the communication unit; the conversion unit is for supplying power to the processing unit, the communication unit and the memory unit; the communication unit is for communication with the external device; the processing unit processes signals between each of the units and transmits the signals of the external device to the mobile communication device; wherein, the external power interface receives a commercial power source, the conversion unit converts the commercial power source into a first electric power and a second electric power.