▎ 摘　　要

NOVELTY - The apparatus (1) has circuitry (5) which provides individual drain-source bias voltage to QD-FET (3). The different individual drain-source bias voltages have different parameters to enable QD-FET to detect light from a user of an apparatus. The circuitry obtains output signals from QD-FET where output signal is dependent upon light detected by QD-FET and parameters of drain-source bias voltage to enable obtained output signals to be used as scrambled identification signal of user of apparatus. USE - Apparatus for scrambled identification signal of user using QD-FETs for identification device (claimed). ADVANTAGE - The QD-GFETs are enabled to detect light from the user to enable biometric features of the user to be identified. The use of different drain-source bias voltages scrambles the output signals so that only authorised devices obtain information indicative of the biometric features of the user. An authorised device has access to the information indicating the parameters to be used for the individual drain-source bias voltages to unscramble the output signals. The biometric information is enabled to be securely exchanged between the apparatus and other electronic devices. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for scrambled identification signal of user using QD-FET. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic block diagram of apparatus. Apparatus (1) Quantum dot-graphene field effect transistors (3) Circuitry (5) Read out circuitry (7)