Data transmission method, terminal, electronic signature device and system
A technology of electronic signature equipment and data transmission method, which is applied in the direction of digital transmission system, transmission system, and near-field transmission system using transceivers, etc., and can solve the problem of insufficient fast and convenient use of electronic signature equipment and poor contact between electronic signature equipment and terminals , Bluetooth pre-connection and pairing process is cumbersome and other issues, to avoid the cumbersome pairing process, prevent data from being stolen and monitored, and improve user experience
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[0045] This embodiment provides a data transmission system, figure 1 It is a schematic structural diagram of the data transmission system provided in this embodiment. Such as figure 1 As shown, the data transmission system includes a terminal 10 and an electronic signature device 20 . The data transmission between the terminal 10 and the electronic signature device 20 includes sending its own Bluetooth address to the other party, the terminal 10 sending the first information to the electronic signature device 20, and the electronic signature device 20 sending the processed second information to the terminal 10 Wait. Specific data transmission systems include:
[0046] The terminal 10 establishes an NFC connection with the electronic signature device 20; the electronic signature device 20 sends the Bluetooth address of the electronic signature device 20 to the terminal 10 through the NFC connection; the terminal 10 sends the Bluetooth address of the terminal 10 and the first...
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