Safety certificating equipment and method based on audio signal communication
A security authentication device and security authentication technology, applied in the field of user identity security authentication, Internet/computer system, can solve the problem that the payment acceptance terminal does not provide the recharge function, etc., to achieve the short time required for communication, safe use, convenient and convenient use Effect
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[0024] The purpose of the present invention is to provide a security authentication device, which can be applied to almost all mobile phone platforms, and can avoid the problem of user equipment matching. The user can use the device as long as the interface is connected, which greatly simplifies the user The operation and use experience.
[0025] At this stage, the connection schemes that can be used to connect mobile phones to external security devices include Bluetooth, data line communication, etc. If the Bluetooth method is used, there will be a process of device matching, which will reduce the user experience. In addition, the high price of using the Bluetooth module will increase the cost of the final product and increase the product price. The main problem of using data cables for communication is that the data ports used by different brands and models of mobile phones on the market are not uniform in terms of physical interface or communication protocol. If you need to u...
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