| 发明名称 |
OMNIDIRECTIONAL TRANSPONDER |
| 摘要 |
A microwave transponder for automatic identification systems using back scatter technology, where two parallel and concentric patch antennas with an intermediate earth plane are used to achieve good sensitivity from both sides.
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| 申请公布号 |
WO9823971(A1) |
申请公布日期 |
1998.06.04 |
| 申请号 |
WO1997SE01931 |
申请日期 |
1997.11.18 |
| 申请人 |
TAGMASTER AB;GUNNARSSON, STAFFAN |
发明人 |
GUNNARSSON, STAFFAN |
| 分类号 |
G01S7/02;G01S13/75;H01Q9/04;H01Q21/28;(IPC1-7):G01S13/74;G01S13/80;H04B1/59 |
主分类号 |
G01S7/02 |
| 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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