Magnetic RFID coupler with balanced signal configuration
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United States of America Patent
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Sep 20, 2011
Grant Date -
Apr 21, 2011
app pub date -
Oct 16, 2009
filing date -
Oct 16, 2009
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Abstract
A magnetic coupler arrangement that includes two quarter wave length strip patches, an input signal source, a signal splitter that splits an input signal from the input signal source into two signals and phase-shifts one of the two signals, wherein the phase-shifted signal and the non-phase-shifted signal are fed into the patches of the coupler to achieve a balanced signal configuration.
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