Coded label information extraction method
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United States of America Patent
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Nov 16, 2004
Grant Date -
N/A
app pub date -
May 30, 2002
filing date -
Aug 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method of interpreting coded information carriers, a plurality of magnetic elements supported by, or incorporated in, a substrate, are interrogated. The relative positions and/or physical dimensions of the magnetic elements represent the information encoded by the information carrier. The relative positions and/or physical dimensions are determined from the relative velocity between an interrogating signal and each of the magnetic elements.
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