Mutual crosstalk elimination in medical systems using radiator coils and magnetic fields
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United States of America Patent
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Dec 24, 2002
Issued Date -
N/A
app pub date -
Oct 31, 2000
filing date -
Mar 19, 1999
priority date (Note) -
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Abstract
Apparatus for generating magnetic fields includes a plurality of radiator coils. Driver circuitry drives the coils so as to generate magnetic fields at a plurality of driving frequencies. Each of the coils is driven by a respective current that comprises a basic current at a respective one of the driving frequencies and cancellation currents at one or more of the other driving frequencies, so that each of the radiator coils generates a field substantially only at the respective driving frequency.
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