Patent ID: 7707333

Claim:
A device for transferring data by using at least two communication devices, comprising: first and second data storing units for individually storing data to be transceived; and a connection switching unit, upon reception of data via a first communication device from among the at least two communication devices, connecting said first communication device with said first data storing unit, after reception of data to be stored in the first data storing unit is completed based upon a byte count received, switching a connection between the first communication device and the first data storing unit so as to connect a second communication device, that is one of the at least two communication devices and different from the first communication device, with the first data storing unit to transfer the data received and stored in the first data storing unit to the second communication device and so as to connect the second communication device with the second data storing unit at a same time to receive data via the second communication device, and after reception of data to be stored in the second data storing unit is completed based upon a byte count received, switching a connection between the second communication device and the second data storing unit so as to connect the first communication device with the second data storing unit to transfer the data received and stored in the second data storing unit to the first communication device and so as to connect the first communication device with the first data storing unit at a same time to receive further data via the first communication device.