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US07988060B2 Dual use payment device 有权
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Dual use payment device
摘要:
A mobile device includes an antenna and at least one control device coupled to the antenna. The at least one control device is selectively operable in a first mode and in a second mode. In the first mode, the at least one control device transmits a payment card account number via the antenna to a point of sale terminal. In the second mode, the at least one control device transmits a message to the point of sale terminal via the antenna to request that the point of sale terminal download transaction information to the mobile device.
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