发明名称 |
POWER SUPPLY DEVICE, POWER RECEIVING DEVICE, AND CHARGING SYSTEM |
摘要 |
Power supply device is provided with the following: a power supply unit (121) that includes a spiral coil or a solenoid coil; a frequency characteristic acquisition unit (211) that acquires the frequency characteristics of the efficiency of the supply of power from the power supply unit to the power receiving device; a peak determing unit (212) that determines peaks in the frequency characteristics of the efficiency of power supply; and a drive frequency determination unit (213) that, if two peaks have been found, determines as the drive frequency used for supplying power a frequency near the frequency that is the lower of the frequencies of the two peaks, with the lower frequency being given priority over a frequency near the higher frequency. |
申请公布号 |
EP2985873(A1) |
申请公布日期 |
2016.02.17 |
申请号 |
EP20140774031 |
申请日期 |
2014.03.24 |
申请人 |
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
发明人 |
KOIZUMI, MASAYOSHI;OHASHI, OSAMU;NISHIO, TSUYOSHI;ASAOKA, NORIAKI |
分类号 |
H02J50/00;B60L11/18;B60M7/00;H01M10/42;H01M10/46;H02J5/00;H02J7/00 |
主分类号 |
H02J50/00 |
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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