RFID system
First Claim
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1. An RFID antenna assembly configured to be energized with a carrier signal, the RFID antenna assembly comprising:
- an inductive component, wherein the inductive component is configured to be positioned proximate a first slot assembly to detect the presence of a first RFID tag assembly within the first slot assembly and not detect the presence of a second RFID tag assembly within a second slot assembly that is adjacent to the first slot assembly.
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Abstract
A magnetic field focusing assembly includes a magnetic field generating device configured to generate a magnetic field, and a split ring resonator assembly configured to be magnetically coupled to the magnetic field generating device and configured to focus the magnetic field produced by the magnetic field generating device.
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Citations
17 Claims
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1. An RFID antenna assembly configured to be energized with a carrier signal, the RFID antenna assembly comprising:
an inductive component, wherein the inductive component is configured to be positioned proximate a first slot assembly to detect the presence of a first RFID tag assembly within the first slot assembly and not detect the presence of a second RFID tag assembly within a second slot assembly that is adjacent to the first slot assembly. - View Dependent Claims (2, 3, 4, 5)
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6. An RFID antenna assembly configured to be energized with a carrier signal, the RFID antenna assembly comprising:
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an inductive component including a multi-segment loop antenna assembly, wherein the multi-segment loop antenna assembly includes; at least a first antenna segment; at least a second antenna segment including at least a second phase shift element configured to reduce the phase shift of the carrier signal within the at least a second antenna segment, wherein the length of each antenna segment is no more than 25% of the wavelength of the carrier signal; and at least one matching component configured to adjust the impedance of the multi-segment loop antenna assembly. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. An RFID antenna assembly configured to be energized with a carrier signal, the RFID antenna assembly comprising:
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an inductive component including a multi-segment loop antenna assembly, wherein the multi-segment loop antenna assembly includes; at least a first antenna segment; and at least a second antenna segment including at least a second phase shift element configured to reduce the phase shift of the carrier signal within the at least a second antenna segment, wherein the length of each antenna segment is no more than 25% of the wavelength of the carrier signal; and at least one matching component configured to adjust the impedance of the multi-segment loop antenna assembly, wherein the inductive component is configured to be positioned proximate an access assembly of a processing system and to allow RFID-based actuation of the access assembly. - View Dependent Claims (15, 16, 17)
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Specification