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 amplifying a strength of a magnetic field applied to the coil type magnetic resonator, the coil type magnetic resonator being formed of a coil wound at least one turn without discontinuity or a pattern of a ring shape extending from one end to the other end without discontinuity; and
a loop antenna inductively coupled to the coil type magnetic resonator, the loop antenna detecting the magnetic field amplified by the coil type magnetic resonator based on a voltage in the loop antenna induced by a change in a current in 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
31 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 amplifying a strength of a magnetic field applied to the coil type magnetic resonator, the coil type magnetic resonator being formed of a coil wound at least one turn without discontinuity or a pattern of a ring shape extending from one end to the other end without discontinuity; and a loop antenna inductively coupled to the coil type magnetic resonator, the loop antenna detecting the magnetic field amplified by the coil type magnetic resonator based on a voltage in the loop antenna induced by a change in a current in the coil type magnetic resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 30, 31)
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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 amplifying a strength of a magnetic field applied to the coil type magnetic resonator, each coil type magnetic resonator being formed of a coil wound at least one turn without discontinuity or a pattern of a ring shape extending from one end to the other end without discontinuity; and a loop antenna inductively coupled to the coil type magnetic resonators, the loop antenna detecting the magnetic field amplified by the coil type magnetic resonator based on a voltage in the loop antenna induced by a change in a current in the coil type magnetic resonator. - 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, wherein the coil type magnetic resonator amplifies a strength of the magnetic field linked to the coil type magnetic resonator and is formed of a coil wound at least one turn without discontinuity or a pattern of a ring shape extending from one end to the other end without discontinuity; and detecting the magnetic field amplified by the coil type magnetic resonator using a loop antenna inductively coupled to the coil type magnetic resonator, based on a voltage in the loop antenna induced by a change in a current in 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, wherein the coil type magnetic resonator is formed of a coil wound at least one turn without discontinuity or a pattern of a ring shape extending from one end to the other end without discontinuity; 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