发明名称 |
RFID printer and antennas |
摘要 |
A shielded antenna system is provided for reading from and/or writing to an RFID transponder wherein the energy radiated from the antenna system has a narrow beam width so that only one RFID transponder in a record member along a web of record members, each having an RFID transponder, is read from and/or written to without affecting or being affected by any other RFID transponder along the web.
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申请公布号 |
US2005280537(A1) |
申请公布日期 |
2005.12.22 |
申请号 |
US20040873979 |
申请日期 |
2004.06.22 |
申请人 |
FELTZ JOHN F;MCCURDY JIM A;NEUHARD LANCE D |
发明人 |
FELTZ JOHN F.;MCCURDY JIM A.;NEUHARD LANCE D. |
分类号 |
G06K1/12;G06K7/00;G06K7/08;G06K17/00;(IPC1-7):G08B13/14 |
主分类号 |
G06K1/12 |
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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