Patent ID: 8059503

Claim:
A backup device for creating data backup connected to an external computer via a single transfer cable, the backup device comprising: an optical drive apparatus used for retrieving data in an optical disc; a card reader apparatus used for retrieving data in a memory card; a micro controller unit electrically connected to the optical drive apparatus and the card reader apparatus; and an input unit electrically connected to the optical drive apparatus; wherein the input unit receives an external trigger to enable the backup device to send a backup request instruction to the external computer for creating a data backup of data in the optical disc or the memory card via a backup application in the external computer, wherein the optical drive apparatus comprises an optical drive controller chipset, the card reader apparatus comprises a card reading controller chipset, each chipset a manufacturer code and a product code of the optical drive apparatus and the card reader apparatus respectively used for identifying the optical drive apparatus and the card reader apparatus connected by the external computer.