Multi-Mode Antenna Array
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United States of America Patent
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Issued Date -
Dec 6, 2007
app pub date -
Jun 5, 2006
filing date -
Jun 5, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multi-mode parasitic antenna array having two or more resonant frequencies. The multi-mode parasitic antenna array has at least two resonant modes resulting in substantially divergent radiation patterns, thereby providing the antenna with frequency dependent directivity. The array may be incorporated into a tag for an RFID system. The RFID system includes a reader capable of interrogating the tag at each of the resonant frequencies.
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