Intelligent code key of intensifying safety by photoelectric volume change signal and method thereof
A technology of smart password key and photoelectric volume, which is applied in the field of smart password key, can solve the problem of identity authentication without using PPG signal, and achieve the effect of improving security, usability and security
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Embodiment 2
[0107] Another preferred embodiment 2 of the present invention, such as Figure 4 As shown in , it consists of a photoelectric volumetric scanner 1, a microprocessor chip 8, an external memory 6 and a peripheral power supply circuit 2.
[0108]The working process of this embodiment can be exactly the same as that of the first embodiment, but the PPG signal recognition function and the function of the smart password key are completed in the same chip, that is, the microprocessor chip 8 has both completed the collection of biometrics processing function, and complete the data security storage operation management function provided by the smart password key, thus having a lower manufacturing cost and a simpler hardware structure.
[0109] The microprocessor chip 8 is similar to Embodiment 1, including a processor 81, an input and output port 82 for connecting to the host computer 7, an input and output port 83 for connecting to the photoelectric volumetric scanner 1, and a memory...
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