发明名称 |
Surveillance systems and methods |
摘要 |
Surveillance systems and methods having both a radio frequency component and a video image are provided. The radio frequency component can determine the orientation and position of an RFID tag within a surveillance area. The orientation of the RFID tag is can be determined with respect to two or more orthogonal planes using inductance and a predetermined number of mutually orthogonal antenna loops.
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申请公布号 |
US2005073418(A1) |
申请公布日期 |
2005.04.07 |
申请号 |
US20030677207 |
申请日期 |
2003.10.02 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
KELLIHER TIMOTHY PATRICK;RITTSCHER JENS;TU PETER HENRY;CHEAN KEVIN;TOMLINSON HAROLD WOODRUFF |
分类号 |
G08B13/24;(IPC1-7):G08B13/14 |
主分类号 |
G08B13/24 |
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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