发明名称 |
Switched capacitance method for the detection of, and subsequent communication with a wireless transponder device using a single antenna |
摘要 |
A transponder detector is provided with capabilities for detecting the presence and type of a transponder in its read range while operating at low power and also using a common antenna for detecting and executing data transactions with transponders. |
申请公布号 |
US8203429(B2) |
申请公布日期 |
2012.06.19 |
申请号 |
US20090416104 |
申请日期 |
2009.03.31 |
申请人 |
BORCHERDING ERIC J.;ASSA ABLOY AB |
发明人 |
BORCHERDING ERIC J. |
分类号 |
H04Q5/22 |
主分类号 |
H04Q5/22 |
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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