| 摘要 |
<p>A secure transaction system constituted of: a two dimensional platform arranged for variable display; at least one antenna arranged to receive a signal from a contactless element, each of the at least one antenna secured at a fixed location on the two dimensional platform; a transaction server; and a poster communication device in communication with each of the at least one antenna and with the transaction server, the poster communication device arranged to read an identifier of a contactless element juxtaposed with a particular one of the at least one antenna, and transmit the read contactless element identifier and identification information associated with the particular antenna to the transaction server.</p> |
