Deactivating a data tag for user privacy or tamper-evident packaging
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United States of America Patent
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Apr 20, 2010
Grant Date -
Jan 18, 2007
app pub date -
Aug 29, 2006
filing date -
Apr 30, 2004
priority date (Note) -
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Abstract
Deactivating a data tag attached to packaging for user privacy or tamper-evident reasons. Each of a plurality of data tags stores identification information. At least one of the data tags is removable and capable of wireless signal transmission at a first range such that removal of the data tag substantially prevents communication of the identification information via the removed data tag and permits communication of the identification information via another data tag at a second range relatively smaller than the first range.
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