Interfacing to RFID reader utility that causes RFID tags to reply using changed reply timing
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United States of America Patent
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Nov 22, 2011
Grant Date -
N/A
app pub date -
Oct 1, 2008
filing date -
Feb 20, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Interfacing is provided, to a utility of an RFID reader. The utility causes the RFID reader to instruct tags to reply using changed reply timing. The interfacing enables an agent to control the utility, for installing it, configuring it, enabling it, disabling it, or operating it. In a number of embodiments, the tag timing change is achieved by causing a custom timing command to be transmitted to a tag. In some embodiments, the changed reply timing alters the delay before a tag backscatters a reply.
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