FEED UNIT, FEED SYSTEM, AND ELECTRONIC DEVICE
First Claim
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1. A feed unit comprising:
- a power transmission section including a power transmission coil configured to perform electric power transmission using a magnetic field, and an auxiliary resonance section including one or a plurality of resonators, whereinthe resonator includes an auxiliary coil wound to form a gap in at least a partial region.
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Abstract
Provided are a feed unit, a feed system, and an electronic device that enable transmission efficiency control according to the position of a device when electric power transmission using a magnetic field is performed between devices. The feed unit includes a power transmission section including a power transmission coil configured to perform electric power transmission using a magnetic field, and an auxiliary resonance section including one or a plurality of resonators. The resonator includes an auxiliary coil wound to form a gap in at least a partial region.
34 Citations
20 Claims
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1. A feed unit comprising:
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a power transmission section including a power transmission coil configured to perform electric power transmission using a magnetic field, and an auxiliary resonance section including one or a plurality of resonators, wherein the resonator includes an auxiliary coil wound to form a gap in at least a partial region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A feed system comprising:
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one or a plurality of electronic devices; and a feed unit configured to perform electric power transmission to the electronic device, wherein the feed unit includes a power transmission section including a power transmission coil configured to perform the electric power transmission using a magnetic field, the electronic device includes a power receiving section including a power receiving coil configured to receive electric power transmitted from the power transmission section, an auxiliary resonance section including one or a plurality of resonators is provided in at least one of the feed unit, the electronic device, and other unit independent of the feed unit and the electronic device, and the resonator includes an auxiliary coil wound to form a gap in at least a partial region. - View Dependent Claims (16, 17)
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18. An electronic device comprising:
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a power receiving section including a power receiving coil configured to receive electric power transmitted using a magnetic field, and an auxiliary resonance section including one or a plurality of resonators, wherein the resonator includes an auxiliary coil wound to form a gap in at least a partial region. - View Dependent Claims (19, 20)
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Specification