| 发明名称 |
Coil unit, and power transmission device and power reception device using the coil unit |
| 摘要 |
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. |
| 申请公布号 |
US8269375(B2) |
申请公布日期 |
2012.09.18 |
| 申请号 |
US20100727675 |
申请日期 |
2010.03.19 |
| 申请人 |
SOGABE HARUHIKO;KAMIJO TAKAHIRO;HASEGAWA MINORU;SEIKO EPSON CORPORATION |
发明人 |
SOGABE HARUHIKO;KAMIJO TAKAHIRO;HASEGAWA MINORU |
| 分类号 |
B60L1/00 |
主分类号 |
B60L1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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