Patent ID: 8131965

Claim:
A handheld file-copying device, comprising: a connecting plug unit for plugging into a data processing device; a connecting socket unit for receiving a first portable storage media and/or a second portable storage media, and the first portable storage media comprising an original file; a first memory unit comprising a flash memory; a second memory unit comprising a random access memory; a control unit connected respectively to the connecting plug unit, the connecting socket unit, the first memory unit and the second memory unit, so as to perform file access, in accordance with a control signal, selectively with the data processing device, and the control unit is capable of, based on the control signal, selectively saving the original file to the first memory unit or the second memory unit; and a power supply unit for providing the power needed by the handheld file-copying device, the first portable storage media and the second portable storage media, wherein the control unit further comprising: a transmission control unit connected respectively to the connecting plug unit, the connecting socket unit, the first memory unit and the second memory unit, so as to perform, in accordance with the control signal, selectively file access with the data processing device, and the transmission control unit is capable of, in accordance with the control signal, selectively save the original file to the first memory unit or the second memory unit; and a display/input control unit connected respectively to the transmission control unit, a display unit and an input unit, so as to control the display unit to receive the control signal generated by an user through operating the input unit, and send the control signal to the transmission control unit.