Wireless data input to RFID reader
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United States of America Patent
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Dec 7, 2004
Grant Date -
Apr 25, 2002
app pub date -
Aug 31, 2001
filing date -
Dec 14, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A wireless data input system has one or more switches on a keypad or the like and a number of individually addressable RFID tags. Each switch operates to enable a corresponding subset of the individually addressable RFID transponder tags, such that a unique permutation of tag codes recognized by a RFID reader identifies actuation of each particular switch or key.
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