POWER SUPPLY SYSTEM AND METHOD OF CONTROLLING POWER SUPPLY SYSTEM
First Claim
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1. A power supply system comprising:
- a power supply coil and a power supply-side resonance coil that are provided at a facility;
a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit;
a power supply-side information exchange unit;
a power receiving-side information exchange unit; and
an adjustment unit that adjusts a relative position of the power supply coil with respect to the power supply-side resonance coil and a relative position of the power receiving coil with respect to the power receiving-side resonance coil on the basis of the information exchanged by the information exchange units.
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Abstract
Described herein are embodiments of a power supply system that includes a power supply coil and a power supply-side resonance coil that are provided at a facility, a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit, a power supply-side information exchange unit, a power receiving-side information exchange unit, and an adjustment unit that adjusts a relative position of the power supply coil with respect to the power supply-side resonance coil and a relative position of the power receiving coil with respect to the power receiving-side resonance coil on the basis of the information exchanged by the information exchange units.
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Citations
33 Claims
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1. A power supply system comprising:
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a power supply coil and a power supply-side resonance coil that are provided at a facility; a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit; a power supply-side information exchange unit; a power receiving-side information exchange unit; and an adjustment unit that adjusts a relative position of the power supply coil with respect to the power supply-side resonance coil and a relative position of the power receiving coil with respect to the power receiving-side resonance coil on the basis of the information exchanged by the information exchange units. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A power supply system comprising:
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a power supply coil and a power supply-side resonance coil that are provided at a facility; a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit; a power supply efficiency detection unit that detects a power supply efficiency that indicates a transmission efficiency of electric power; and an adjustment unit that, after the mobile unit stops around the facility, changes a relative position between the power supply coil and the power supply-side resonance coil and a relative position between the power receiving coil and the power receiving-side resonance coil within a predetermined range, and that adjusts the relative positions within the predetermined range so as to substantially maximize the power supply efficiency detected by the power supply efficiency detection unit.
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10. A method of controlling a power supply system that includes a power supply coil and a power supply-side resonance coil that are provided at a facility;
- and a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit, the method comprising;
detecting information from the power supply-side resonance coil; detecting information from the power receiving-side resonance coil; and adjusting a relative position of the power supply coil with respect to the power supply-side resonance coil and a relative position of the power receiving coil with respect to the power receiving-side resonance coil on the basis of the position of the power supply-side resonance coil and the position of the power receiving-side resonance coil.
- and a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit, the method comprising;
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11. A method of controlling a power supply system that includes a power supply coil and a power supply-side resonance coil that are provided at a facility;
- and a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit, the method comprising;
detecting a power supply efficiency that indicates a transmission efficiency of electric power; and after the mobile unit stops around the facility, adjusting a relative position between the power supply coil and the power supply-side resonance coil and a relative position between the power receiving coil and the power receiving-side resonance coil so as to substantially maximize the power supply efficiency.
- and a power receiving coil and a power receiving-side resonance coil that are provided for a mobile unit, the method comprising;
- 12. A wireless power transmission apparatus comprising a high Q magnetic field resonator comprising a material with high dielectric constant and low loss.
- 16. A wireless power transmission apparatus comprising a high Q magnetic field resonator comprising a material with high effective index.
- 20. A wireless power transmission apparatus comprising a high Q magnetic field resonator comprising a material formed of sub-wavelength structures.
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24. A mobile device having a wireless power transmission apparatus comprising a high Q magnetic field resonator comprising a material with high dielectric constant and low loss.
- 25. A mobile device having a wireless power transmission apparatus comprising a high Q magnetic field resonator comprising a material with high effective index.
- 29. A mobile device having a wireless power transmission apparatus comprising a high Q magnetic field resonator comprising a material formed of sub-wavelength structures.
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33. A wireless power transmission method comprising:
making a high-Q resonator which includes at least one capacitive element and at least one inductive element and a material, wherein the material comprises as least one of a magnetic material, a negative-c material, a plasmonic material, a metal-like material, a metallo-dielectric material, a plasmono-dielectric material, or a photonic crystal material, and wherein the resonator is configured for wireless power transmission to at least one additional high-Q resonator.
Specification