| 发明名称 |
Identification tag with enhanced security |
| 摘要 |
A combination tag is disclosed, including a magnetically-responsive element and a radio frequency-responsive element. In one embodiment, the magnetically-responsive element also functions as an antenna for the radio frequency-responsive element.
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| 申请公布号 |
US6154137(A) |
申请公布日期 |
2000.11.28 |
| 申请号 |
US19980093120 |
申请日期 |
1998.06.08 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
GOFF, EDWARD D.;KAREL, GERALD L.;PIOTROWSKI, CHESTER;SAINATI, ROBERT A.;TSAI, CHING-LONG |
| 分类号 |
G01V3/00;G01N22/00;G01N27/72;G01V15/00;G06K19/07;G08B13/24;H01Q1/22;H01Q1/38;H01Q7/00;H01Q9/28;(IPC1-7):G08B13/14 |
主分类号 |
G01V3/00 |
| 代理机构 |
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