发明名称 |
Non-contact communication system information carrier |
摘要 |
A contactless communication system information carrier which is high in handleability and yield but low in cost is provided. It includes a core piece 11 in which an IC chip 1 with an antenna coil 3 integrally formed on one surface is fitted inside a recess 6 of a core piece body 5 , a non-metal spacer 14 in which the core piece 11 is fitted to a fitting part 16 located in a center of the spacer 14 to retain the core piece 11, and a metal weight 15 placed and coupled so as to surround an outer periphery of the spacer 14 . The antenna coil 3 and the metal weight 14 are separated from each other via the spacer 14.
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申请公布号 |
US7327266(B2) |
申请公布日期 |
2008.02.05 |
申请号 |
US20040518299 |
申请日期 |
2004.12.17 |
申请人 |
HITACHI MAXELL, LTD. |
发明人 |
WATANABE HIROTO;DAIDO KAZUHIKO |
分类号 |
B42D15/10;G08B13/14;G06K19/07;G06K19/077;H01L23/02 |
主分类号 |
B42D15/10 |
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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