H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
H01Q 5/01 (2006.01) G01V 3/12 (2006.01) G01V 15/00 (2006.01) H01Q 1/36 (2006.01) H01Q 21/30 (2006.01) H04B 1/59 (2006.01)
Patent
CA 2589697
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.
Chaudhuri Sujeet
Coutts Gordon
Mansour Raafat
Tang Wai-Cheung
Chaudhuri Sujeet
Coutts Gordon
Mansour Raafat
Ridout & Maybee Llp
Tang Wai-Cheung
LandOfFree
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