| 发明名称 | Electric power receiving apparatus, method of controlling the same, and electric power feeding system including the same | ||
| 摘要 | An electric power receiving apparatus including: an electric power receiving coil disposed in a position where a receiving voltage is induced by a magnetic field from an electric power feeding apparatus; a measuring coil disposed in a position where a monitoring induced voltage as a voltage corresponding to the receiving voltage is induced by the magnetic field; and a foreign object detecting portion generating an amount of change in an impedance of the electric power receiving coil from the monitoring induced voltage and an induced current of the electric power receiving coil, thereby detecting a foreign object in the magnetic field based on the amount of change. | ||
| 申请公布号 | US9476736(B2) | 申请公布日期 | 2016.10.25 |
| 申请号 | US201313790463 | 申请日期 | 2013.03.08 |
| 申请人 | Sony Corporation | 发明人 | Arisawa Shigeru |
| 分类号 | G01D5/20;H01F38/14;H02J5/00;H02J7/02 | 主分类号 | G01D5/20 |
| 代理机构 | Chip Law Group | 代理人 | Chip Law Group |
| 主权项 | 1. An electric power receiving apparatus, comprising: an electric power receiving coil disposed in a position where a receiving voltage is induced by a magnetic field from an electric power feeding apparatus; a measuring coil disposed in a position where a monitoring induced voltage as a voltage corresponding to the receiving voltage is induced by the magnetic field; and a foreign object detecting portion generating an amount of change in an impedance of said electric power receiving coil from the monitoring induced voltage induced in the measuring coil and an induced current of said electric power receiving coil, thereby detecting a foreign object in the magnetic field based on the amount of change. | ||
| 地址 | Tokyo JP | ||