发明名称 |
NEAR FIELD COMMUNICATIONS APPARATUS |
摘要 |
A near field communications apparatus comprising a signal source, a transmit antenna and means for detecting a change in the input impedance of the transmit antenna to detect the presence of a device which is compatible with the apparatus.
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申请公布号 |
US2013017782(A1) |
申请公布日期 |
2013.01.17 |
申请号 |
US201213546343 |
申请日期 |
2012.07.11 |
申请人 |
CAMBRIDGE SILICON RADIO LIMITED;TAY ZERN;PATEL SHYAM;MCFARTHING ANTHONY |
发明人 |
TAY ZERN;PATEL SHYAM;MCFARTHING ANTHONY |
分类号 |
H04B5/02 |
主分类号 |
H04B5/02 |
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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