发明名称 |
APPARATUS AND METHOD FOR IDENTIFYING OBJECT MOVEMENT AND LOCATION WITH RFID DEVICE |
摘要 |
An apparatus for identifying object movement and location with RFID device comprises two RFID gateways constructed by at least one RFID interrogator located inside and outside an entrance of a monitored zone independently, a portable RFID tag carried by the object capable of receiving and responding said signals emitted by said RFID interrogator, and a data processor connected with said RFID gateways capable of receiving said responses to identify said object movement as leaving or entering said entrance and said object location as outside or inside said monitored zone. There is also a corresponding method for identifying object movement and location with RFID device.
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申请公布号 |
US2010052867(A1) |
申请公布日期 |
2010.03.04 |
申请号 |
US20080523979 |
申请日期 |
2008.01.15 |
申请人 |
THE HONG KONG POLYTECHNIC UNIVERSITY |
发明人 |
KWOK SIU KEUNG;CHEUNG CHI FAI;TSANG HING CHOI;LEE WING BUN;TAN BURLY K.;LEE JAY;NG PUI HIM;HO SZE KIT |
分类号 |
H04Q5/22 |
主分类号 |
H04Q5/22 |
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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