COIL UNIT, AND POWER TRANSMISSION DEVICE AND POWER RECEPTION DEVICE USING THE COIL UNIT
First Claim
Patent Images
1. A coil unit comprising:
- a first coil having an outer diameter of D1; and
at least one second coil having an outer diameter of D2 (D2<
D1),the at least one second coil being arranged on a transmission surface side of the first coil, and a part or whole of the at least one second coil being overlapped with the first coil when viewed from the transmission surface side.
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Abstract
A coil unit includes a first coil having an outer diameter of D1, and at least one second coil having an outer diameter of D2 (D2<D1). The at least one second coil is arranged on a transmission surface side of the first coil. A part or whole of the at least one second coil overlaps the first coil, when viewed from the transmission surface side.
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Citations
6 Claims
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1. A coil unit comprising:
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a first coil having an outer diameter of D1; and at least one second coil having an outer diameter of D2 (D2<
D1),the at least one second coil being arranged on a transmission surface side of the first coil, and a part or whole of the at least one second coil being overlapped with the first coil when viewed from the transmission surface side. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification