Invention Grant
US08644880B2 Radiofrequency local communication interface between a mobile phone and a contactless reader 失效
手机与非接触读卡器之间的射频本地通信接口

Radiofrequency local communication interface between a mobile phone and a contactless reader
Abstract:
A contactless smart card imbedded in a communication mobile substrate connected to a wireless communication network, and a contactless smart card reader in the vicinity of the communication mobile substrate for radiofrequency communication with the contactless smart card, are disclosed. On one hand, a first antenna is provided on the contactless smart card imbedded in the communication mobile substrate and, on the other hand, a second antenna is attached to the communication mobile substrate and connected by inductive coupling to the first antenna, so that the contactless smart card can directly communicate by radiofrequency with the contactless smart card reader without using the wireless communication network.
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