| 发明名称 |
Electronic circuit for contactless tag, and contactless tag |
| 摘要 |
An electronic circuit for a contactless tag includes a transceiving device having an antenna coil and a circuit changeover switch that switching between a state where the antenna coil forms a resonance circuit of the transceiving device and a state where the antenna coil forms a booster circuit.
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| 申请公布号 |
US2004227619(A1) |
申请公布日期 |
2004.11.18 |
| 申请号 |
US20040811780 |
申请日期 |
2004.03.29 |
| 申请人 |
SEIKO EPSON CORPORATION |
发明人 |
WATANABE SHINICHIRO |
| 分类号 |
G06K19/07;H02J17/00;H04B5/02;H04Q5/22;(IPC1-7):H04Q5/22 |
主分类号 |
G06K19/07 |
| 代理机构 |
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代理人 |
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