Patent ID: 8200981

Claim:
A data transmission system, comprising: a computer; a portable storage apparatus; and a data transmission device interconnected to the portable storage apparatus and the computer, comprising: a first input-output unit configured for electrically connecting to the computer, wherein the first input-output unit is an interface conforming to the Universal Serial Bus standard; a second input-output unit configured for electrically connecting to the portable storage apparatus, wherein the second input-output unit is an interface conforming to the Universal Serial Bus standard; and a biometric identification unit configured for electrically interconnecting the first input-output unit and the second input-output unit, the biometric identification unit comprising a biometric sensor and an encryption unit, the biometric identification unit receiving a biometric input and outputting biometric data in response to the biometric input, and the encryption unit encrypting the biometric data to be transmitted to the portable storage apparatus, the encryption being controlled by the computer.