Systems and methods for radio frequency identification enabled deactivation of acousto-magnetic ferrite based marker
First Claim
Patent Images
1. A method for operating a marker, comprising:
- enabling operations of an active Radio Frequency Identification (“
RFID”
) element by supplying power from an internal energy storage device of the marker to the RFID element, where the internal energy storage device is exclusive of the RFID element;
receiving, by the active RFID element, an RFID deactivation signal including an RFID deactivation command transmitted from an external device; and
responsive to the RFID deactivation command, supplying power from the active RFID element to a detuner element so that the detuner element switches from a first state to a second state, the detuner element electrically connected between the active RFID element and a passive Acousto-Magnetic circuit of the marker;
wherein the internal energy storage device and active RFID element are separate from the passive Acousto-Magnetic circuit, and the passive Acousto-Magnetic circuit resonant frequency is changed to a first value that falls outside of an Electronic Article Surveillance (“
EAS”
) system'"'"'s operating frequency range when the detuner element switches from the first state to the second state.
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Accused Products
Abstract
Systems and methods for operating a marker. The method comprising: receiving, by a Radio Frequency Identification (“RFID”) element of the marker, an RFID deactivation signal transmitted from an external device; and responsive to the RFID deactivation signal, supplying power from the RFID element to a detuner element so that the detuner element switches from a first state to a second state. The marker'"'"'s resonant frequency is changed to a first value that falls outside of an Electronic Article Surveillance (“EAS”) systems operating frequency range when the detuner element switches from the first state to the second state.
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Citations
20 Claims
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1. A method for operating a marker, comprising:
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enabling operations of an active Radio Frequency Identification (“
RFID”
) element by supplying power from an internal energy storage device of the marker to the RFID element, where the internal energy storage device is exclusive of the RFID element;receiving, by the active RFID element, an RFID deactivation signal including an RFID deactivation command transmitted from an external device; and responsive to the RFID deactivation command, supplying power from the active RFID element to a detuner element so that the detuner element switches from a first state to a second state, the detuner element electrically connected between the active RFID element and a passive Acousto-Magnetic circuit of the marker; wherein the internal energy storage device and active RFID element are separate from the passive Acousto-Magnetic circuit, and the passive Acousto-Magnetic circuit resonant frequency is changed to a first value that falls outside of an Electronic Article Surveillance (“
EAS”
) system'"'"'s operating frequency range when the detuner element switches from the first state to the second state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A marker, comprising:
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an Acousto-Magnetic circuit; an energy storage device configured to enable operations of a Radio Frequency Identification (“
RFID”
) element by supplying power to the RFID element, the energy storage device being exclusive of the RFID element;the RFID element configured to receive an RFID deactivation signal including an RFID deactivation command transmitted from an external device and supply power to a detuner element in response to the RFID deactivation command; and the detuner element electronically connected between the RFID element and the Acousto-Magnetic circuit, and configured to switch from a first state to a second state when power is supplied from the RFID element; wherein the energy storage device and the RFID element are separate from the Acousto-Magnetic circuit, and the Acoust-Magnetic circuit resonant frequency is changed to a first value that falls outside of an Electronic Article Surveillance (“
EAS”
) systems operating frequency range when the detuner element switches from the first state to the second state. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification