Radio frequency identification device for increasing tag activation distance and method thereof
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United States of America Patent
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Nov 30, 2004
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N/A
app pub date -
Sep 11, 2000
filing date -
Sep 11, 2000
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Abstract
A radio frequency identification ('RFID') device for increasing tag activation distance comprises a first exciter electrode (2), a second exciter electrode (21), a dielectric substrate (3), and a first exciter voltage source (4). The second exciter electrode is positioned behind the first exciter electrode. The dielectric substrate is disposed between the first and second exciter electrodes. The dielectric substrate isolates the first exciter electrode from the second exciter electrode. The first exciter voltage source is coupled to at least one of the first exciter electrode and the second exciter electrode.
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