| 发明名称 |
GEOLOCATION SYSTEM WITH CONTROLLABLE TAGS ENABLED BY WIRELESS COMMUNICATIONS TO THE TAGS |
| 摘要 |
A geolocation system is disclosed including a plurality of tag readers (10) which receive spread spectrum emissions from a plurality tags (16). An auxiliary transmitter (300) is provided with the readers in order to provide information needed by the tags.
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| 申请公布号 |
WO0167128(A2) |
申请公布日期 |
2001.09.13 |
| 申请号 |
WO2001US07134 |
申请日期 |
2001.03.05 |
| 申请人 |
WHERENET CORPORATION;BELCHER, DONALD, K. |
发明人 |
BELCHER, DONALD, K. |
| 分类号 |
G01S5/02;G01S5/06;G01S13/82;G01S13/87;G06K17/00;H04B1/69;(IPC1-7):G01S/ |
主分类号 |
G01S5/02 |
| 代理机构 |
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代理人 |
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