发明名称 |
Contactless data communication system, position information management system, contactless identification tag, data communication system, contactless indentification tag control program, and data communication system control program |
摘要 |
A contactless data communication system includes a contactless identification tag having first identification information inherent to the contactless identification tag and includes a drive power generation means to generate drive power from an electromagnetic wave used for a power supply sent from a data communication system, an acquisition request receiving means, and an identification information sending means. The contactless data communication has a second identification information inherent to the data communication system and includes an electromagnetic wave sending means, an identification information acquisition means, an information sending means, an information acquisition means, and a position information computation means.
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申请公布号 |
US2004251302(A1) |
申请公布日期 |
2004.12.16 |
申请号 |
US20040799370 |
申请日期 |
2004.03.12 |
申请人 |
SEIKO EPSON CORPORATION |
发明人 |
HOSHINA MASAKI |
分类号 |
B65G1/137;G01S5/02;G01S13/74;G01S13/75;G06K17/00;G06Q50/00;G06Q50/10;G06Q50/20;H04B5/02;(IPC1-7):H04B7/216 |
主分类号 |
B65G1/137 |
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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