| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission system in which power transmission efficiency is improved.SOLUTION: In a power transmission system having a power reception unit 210 for receiving power, in noncontact, from a power transmission unit 410 while facing thereto, the power transmission unit 410 includes a power transmission coil 450, the power reception unit 210 includes a power reception coil, and the solenoid length L1 of the power transmission coil 450 is shorter than the solenoid length L2 of the power reception coil 250. |
