发明名称 |
SD memory card for extension of function |
摘要 |
Provided is a secure digital memory card for extension of function, including: a flash memory installed in a host device and storing data generated by the host device; a controller controlling an access interface to the flash memory; a radio frequency circuit performing functions of a contactless integrated circuit card and a contactless integrated circuit card reader through a wireless interface control of the controller; an antenna unit connected to the radio frequency circuit to perform a function of a transmission and reception antenna; and a contact integrated circuit card adapter performing the function of the contact integrated circuit card reader through a wire interface control of the controller.
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申请公布号 |
US2005224589(A1) |
申请公布日期 |
2005.10.13 |
申请号 |
US20050098462 |
申请日期 |
2005.04.05 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
PARK YOUNG S.;PARK JI M.;KIM YOUNG S.;JUN SUNG I. |
分类号 |
G06K19/06;G06K19/07;(IPC1-7):G06K19/06 |
主分类号 |
G06K19/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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