METHOD AND APPARATUS FOR DETECTING OR TRANSMITTING MAGNETIC FIELD USING DETACHABLE MAGNETIC RESONATOR
First Claim
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1. An apparatus for detecting a magnetic field, the apparatus comprising:
- a coil type magnetic resonator having a resonant frequency with respect to a magnetic field varying at a particular frequency; and
a loop antenna inductively coupled to the coil type magnetic resonator.
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Abstract
An apparatus for detecting a magnetic field includes a coil type magnetic resonator having a resonant frequency with respect to a magnetic field varying at a particular frequency and a loop antenna inductively coupled to the coil type magnetic resonator.
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Citations
29 Claims
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1. An apparatus for detecting a magnetic field, the apparatus comprising:
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a coil type magnetic resonator having a resonant frequency with respect to a magnetic field varying at a particular frequency; and a loop antenna inductively coupled to the coil type magnetic resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An apparatus for detecting a magnetic field, the apparatus comprising:
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a plurality of coil type magnetic resonators having different resonant frequencies; and a loop antenna inductively coupled to the coil type magnetic resonators. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of detecting a magnetic field, the method comprising:
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generating resonance in a coil type magnetic resonator according to a magnetic field that is linked to the coil type magnetic resonator and varies at a resonant frequency of the coil type magnetic resonator; and detecting the magnetic field using a loop antenna inductively coupled to the coil type magnetic resonator. - View Dependent Claims (22, 23, 24, 25, 26, 27)
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28. A method of transmitting a magnetic field, the method comprising:
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generating a time-varying magnetic field by applying a current that varies at a resonant frequency of a coil type magnetic resonator to a loop antenna; and generating resonance in the coil type magnetic resonator inductively coupled to the loop antenna by the time-varying magnetic field. - View Dependent Claims (29)
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Specification