| 发明名称 |
Applications for radio frequency identification systems |
| 摘要 |
The present invention relates to RFID devices, including handheld RFID devices, and applications for such devices. The devices and applications may be used in connection with items that are associated with an RFID tag, and optionally a magnetic security element. The devices and applications are described with particular reference to library materials such as books, periodicals, and magnetic and optical media.
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| 申请公布号 |
US6424262(B2) |
申请公布日期 |
2002.07.23 |
| 申请号 |
US20010804923 |
申请日期 |
2001.03.13 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
GARBER SHARON R.;GONZALEZ BERNARD A.;GRUNES MITCHELL B.;JACKSON RICHARD H.;KAREL GERALD L.;KRUSE JOHN M.;LINDAHL RICHARD W.;NASH JAMES E.;PIOTROWSKI CHESTER;YORKOVICH JOHN D. |
| 分类号 |
G06K7/10;G06K17/00;G06K19/077;G07F7/00;G07G1/00;G08B13/24;(IPC1-7):G08B13/14 |
主分类号 |
G06K7/10 |
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