Invention Grant
US08410936B2 Contactless card that receives power from host device 有权
从主机设备接收电源的非接触式卡

Contactless card that receives power from host device
Abstract:
A memory card compatible RFID card includes a smartcard controller that receives power from a host device. The RFID card also includes a small inductive device capable of inductive coupling with an RFID reader. The small inductive device is small enough to fit in the form factor of a memory card. Commands may be sent to the RFID card to keep the RFID card powered.
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