Electronic payment device based on NFC
A technology of electronic payment and near-field communication, which is applied in the direction of instruments, cash registers, etc., can solve the problems of stolen payment and poor security, and achieve the effect of making up for defects and improving security
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[0016] As shown in the accompanying drawings, the NFC-based electronic payment device includes:
[0017] A mobile phone and a portable matching device.
[0018] The mobile phone includes an AP and a first NFC module, and the AP and the first NFC module communicate through an SPI or I2C standard interface. The portable matching device includes a second NFC module.
[0019] The first NFC module and the second NFC module communicate wirelessly through a radio frequency antenna.
[0020] The first NFC module keeps inquiring whether there is a second NFC module approaching from outside. When there is a second NFC module approaching, the second NFC module will respond to the first NFC module, and the two will formally establish communication; the second NFC module will respond to data After being packaged in accordance with the ISO14443A / B, ISO18092 and ISO21481 protocols, the data is sent to the first NFC module through the radio frequency antenna.
[0021] After the first NFC module recei...
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