Dual circuit RF identification tags
First Claim
Patent Images
1. A wireless article comprising:
- a dielectric substrate having a broad planar surface;
at least one antenna on the broad planar surface of said dielectric substrate, said at least one antenna including at least one electrical conductor defining at least one loop and defining at least first and second contacts thereof; and
at least two RFID electronic devices disposed proximate said dielectric substrate and electrically connected to the at least first and second contacts of said at least one antenna,wherein said at least two RFID electronic devices operate under different protocols and/or at different frequency bands, andwherein said at least one antenna defines a lesser number of turns than that for operating either of said at least two RFID electronic devices alone.
4 Assignments
0 Petitions
Accused Products
Abstract
A wireless article includes two or more RFID electronic devices and antenna that operate at or under different conditions, e.g., at different frequencies and/or under different protocols.
71 Citations
38 Claims
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1. A wireless article comprising:
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a dielectric substrate having a broad planar surface; at least one antenna on the broad planar surface of said dielectric substrate, said at least one antenna including at least one electrical conductor defining at least one loop and defining at least first and second contacts thereof; and at least two RFID electronic devices disposed proximate said dielectric substrate and electrically connected to the at least first and second contacts of said at least one antenna, wherein said at least two RFID electronic devices operate under different protocols and/or at different frequency bands, and wherein said at least one antenna defines a lesser number of turns than that for operating either of said at least two RFID electronic devices alone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless article comprising:
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a dielectric substrate having a broad planar surface; an antenna on the broad planar surface of said dielectric substrate, said antenna including an electrical conductor defining a plurality of loops and defining first and second contacts thereof; and first and second RFID electronic devices disposed proximate said dielectric substrate and electrically connected in parallel between the first and second contacts of said antenna, wherein said first and second RFID electronic devices operate under different protocols, and wherein said antenna defines a lesser number of turns than that for operating either of said first and second RFID electronic devices alone. - View Dependent Claims (12, 13, 14, 15, 16, 18, 19, 20)
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17. A wireless article comprising:
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a dielectric substrate having a broad planar surface; an antenna on the broad planar surface of said dielectric substrate, said antenna including an electrical conductor defining a plurality of loops and defining first and second contacts thereof; first and second RFID electronic devices disposed proximate said dielectric substrate and electrically connected in parallel between the first and second contacts of said antenna, wherein said first and second RFID electronic devices operate under different protocols; a further antenna on the broad planar surface of said dielectric substrate, said further antenna including an electrical conductor defining at least one loop and defining first and second contacts thereof; and a third RFID electronic device disposed proximate said dielectric substrate and electrically connected to the first and second contacts of said further antenna, wherein said third RFID electronic device operates at a different frequency than do said first and second RFID electronic devices.
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21. A wireless article comprising:
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a dielectric substrate having a broad planar surface; plural antennas on the broad planar surface of said dielectric substrate, said antennas including first and second electrical conductors defining first and second loops and defining respective first and second contacts of each of the first and second loops; and first and second RFID electronic devices disposed proximate said dielectric substrate, wherein said first RFID electronic device is electrically connected to the first and second contacts of the first loop of said antennas and wherein said second RFID electronic device is electrically connected to the first and second contacts of the second loop of said, antennas, wherein said first and second RFID electronic devices operate at different frequency bands. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A method for making a plurality of wireless articles operable at or under two different conditions comprising:
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providing a dielectric substrate sheet; patterning on the dielectric substrate sheet a plurality of circuits, each of the plurality of circuits including an electrical conductor defining a loop antenna having first and second electrical contacts; then mounting a plurality of electronic RFID devices on the dielectric substrate sheet, each of the electronic devices being electrically connected between the first and second electrical contacts of a respective one of the loop antennas, wherein each one of the electronic RFID devices is connected to one of the loop antenna, wherein at least one of the loop antennas and the electronic RFID device connected thereto is operable at a different condition than is another of the loop antennas and the electronic RFID device connected thereto, whereby each of the loop antennas and the electronic RFID device connected thereto provide an RFID circuit; thereafter, cutting the dielectric substrate sheet into a plurality of wireless article substrates each including at least one loop antenna and at least one electronic RFID device, the loop antenna and electronic RFID device providing an RFID circuit operable under a given condition, wherein at least one of the plurality of wireless article substrates includes one or more loop antennas and two or more RFID devices providing an RFID circuit operable under two different given conditions. - View Dependent Claims (30, 31, 32)
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33. A method for making a plurality of wireless articles comprising:
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providing a dielectric substrate sheet; patterning on the dielectric substrate sheet a plurality of circuits, each of the plurality of circuits including an electrical conductor defining a loop antenna having first and second electrical contacts, wherein ones of the loop antennas are relatively larger and others of the loop antennas are relatively smaller, and wherein at least one of the relatively smaller loop antennas is disposed within a respective one of the relatively larger loop;
antennas;then mounting a plurality of electronic RFID devices on the dielectric substrate sheet, each of the electronic devices being electrically connected between the first and second electrical contacts of a respective one of the loop antennas, wherein each one of the electronic RFID devices is connected to one of the loop antenna, whereby each of the loop antennas and the electronic RFID device connected thereto provide an RFID circuit; thereafter, cutting the dielectric substrate sheet into a plurality of wireless article substrates each including at least one loop antenna and at least one electronic RFID device, the loop antenna and electronic RFID device providing an RFID circuit operable under a given condition, wherein the RFID circuit including a relatively smaller loop antenna is either separated from the RFID circuit including a relatively larger circuit to provide separate wireless articles or is not separated from the RFID circuit including a relatively larger circuit to provide a wireless article substrate having at least two RFID circuits thereon. - View Dependent Claims (34, 35, 36, 37, 38)
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Specification