发明名称 |
IC card and electronic devices |
摘要 |
An IC card provided with a contact-type interface and a non-contact-type interface as the communication interface, and other electronic devices. The IC card identifies the kind of communication data communicated with an external device such as reader-writer, and decides on a communication interface that follows the identified communication data. Then, it is judged whether to switch the communication interface used communication for with the external device between the contact-type interface and the non-contact-type interface. And if it is decided to switch, the communication interface used for communication with the external device is switched.
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申请公布号 |
US6899277(B2) |
申请公布日期 |
2005.05.31 |
申请号 |
US20020146023 |
申请日期 |
2002.05.16 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
KAWANO SHINJI;NAKABE FUTOSHI |
分类号 |
G06K7/00;G06K19/077;(IPC1-7):G06K19/06 |
主分类号 |
G06K7/00 |
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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