RFID system with an eddy current trap
First Claim
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1. A magnetic field focusing assembly comprising:
- a magnetic field generating device configured to generate a magnetic field;
a split ring resonator assembly configured to be magnetically coupled to the magnetic field generating device and configured to focus at least a portion of the magnetic field produced by the magnetic field generating device; and
an eddy current trap positioned a predetermined distance from the magnetic field generating device.
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Abstract
An RFID antenna assembly configured to be energized with a carrier signal is disclosed. The RFID antenna assembly includes an inductive component including a loop antenna assembly, at least one capacitive component coupled to the inductive component, and an eddy current trap positioned a predetermined distance from the loop antenna assembly.
33 Citations
19 Claims
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1. A magnetic field focusing assembly comprising:
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a magnetic field generating device configured to generate a magnetic field; a split ring resonator assembly configured to be magnetically coupled to the magnetic field generating device and configured to focus at least a portion of the magnetic field produced by the magnetic field generating device; and an eddy current trap positioned a predetermined distance from the magnetic field generating device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification