Radio frequency identification tag lock and key
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United States of America Patent
Stats
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Mar 15, 2011
Grant Date -
Mar 16, 2006
app pub date -
Mar 29, 2004
filing date -
Mar 29, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Briefly, in accordance with one embodiment of the invention, a radio frequency identification tag system includes a lock tag to secure an item or an area, and one or more key tags associated with the lock tag to allow access to the item or area or to otherwise validate the lock tag and key tag. A detector allows access or other validation when a valid key tag is determined to be present within a predetermined range of the lock tag.
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