Interrogating tags on multiple frequencies and synchronizing databases using transferable agents
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United States of America Patent
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Jan 21, 2003
Grant Date -
Jul 4, 2002
app pub date -
Jul 30, 1998
filing date -
Jul 30, 1998
priority date (Note) -
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Abstract
A smart interrogator can communicate with RF tags on multiple frequencies and bandwidths and can communicate with tags from various manufacturers and thus permits assets if to be tracked even if the assets are being tracked using tags from different manufacturers. The smart interrogators communicate with a logistics server via the Internet using transferable agents that forward tag information from the interrogator to the logistics server via a Java data base connection (JDBC). The logistics server communicates with a logistic server database where transaction information from the tags is logged. The information from the interrogator is forwarded to appropriate external server and networks over the Internet. A client can query the logistics server to determine the whereabouts and status of a particular asset. The logistics server can spawn a transferable agent to locate the asset.
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