Telematic payment card
A technology for safe payment and payment amount, applied in the field of information communication payment card
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[0201] Payments made using one telematics payment card in the presence of another telematics payment card include:
[0202] 1. When the card is off (not powered) or in standby (input and output disabled), the payer presses the "Power" on his card to put the card into working state, and then selects the "Payment" button. The same can be done if the payee wishes to control the payment. The payer preferably needs to check whether there is network coverage (possibly a mobile communication network) in the indicator to make the payment. If there is no network coverage, the payment should preferably only be processed after he enters the network coverage area.
[0203] 2. The payer enters the amount to be paid, and presses the "Enter" key when finished (or press the "Modify key" to start input again, or press the "Back" key to modify the number)
[0204] 3. The user may be prompted to enter a secret PIN. The proximity of the two cards enables the payer's messaging payment card to r...
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