发明名称 |
ID tag, tag reader, ID scrambling and descrambling methods, and tag manager |
摘要 |
<p>An ID tag for RF transmitting its own tag ID information is disclosed. The ID tag comprises an ID storage for outputting the tag ID information stored therein; an ID concealing unit that conceals the tag ID information based on a certain value relating to time and outputs a concealed ID; a time information concealing unit that conceals the certain value based on a stored tag unique value and outputs concealed information; and a data outputting unit that receives and combines the concealed ID and the concealed information, and outputs combined data. <IMAGE></p> |
申请公布号 |
EP1589471(A2) |
申请公布日期 |
2005.10.26 |
申请号 |
EP20050252560 |
申请日期 |
2005.04.25 |
申请人 |
NTT DOCOMO, INC. |
发明人 |
OHKUBO, SHINZO;SUDA, HIROHITO |
分类号 |
G06K7/10;G06K17/00;G06K19/07;H04L9/32;(IPC1-7):G06K19/07 |
主分类号 |
G06K7/10 |
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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