Methods and apparatuses to identify devices
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United States of America Patent
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Oct 9, 2012
Grant Date -
Nov 15, 2007
app pub date -
Jul 20, 2007
filing date -
May 31, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and apparatuses for identifying devices, such as RF tags, are described. In one exemplary embodiment, a reader identifies tags without requiring or determining whether a response to an interrogation was a single response from a single tag or multiple responses from multiple tags. In another exemplary embodiment, a method is performed by a tag in an identification system, and the method includes receiving a first data from a reader, and correlating the first data with a first corresponding portion of the tag's identification code, and specifying a match if the first data matches the first corresponding portion, and receiving second data which, combined with the first data, is correlated with a second corresponding portion of the tag's identification code.
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