| 发明名称 |
DETECTION APPARATUS, POWER SUPPLY SYSTEM, AND METHOD OF CONTROLLING DETECTION APPARATUS |
| 摘要 |
A detection apparatus includes: a measurement coil disposed in a vicinity of a power reception coil configured to receive power supplied through a magnetic field; a measurement section configured to measure a voltage of the measurement coil as a measurement coil voltage; and a foreign object detection section configured to obtain an electrical characteristic value of at least one of the power reception coil and the measurement coil on the basis of the measurement coil voltage, and to detect a foreign object in the magnetic field if the electrical characteristic value is lower than a predetermined lower limit threshold value. |
| 申请公布号 |
US2014339908(A1) |
申请公布日期 |
2014.11.20 |
| 申请号 |
US201414259358 |
申请日期 |
2014.04.23 |
| 申请人 |
SONY CORPORATION |
发明人 |
Omae Uichiro;Kiyakawauchi Tamotsu |
| 分类号 |
G01V3/10;H01F38/14 |
主分类号 |
G01V3/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A detection apparatus comprising:
a measurement coil disposed in a vicinity of a power reception coil configured to receive power supplied through a magnetic field; a measurement section configured to measure a voltage of the measurement coil as a measurement coil voltage; and a foreign object detection section configured to obtain an electrical characteristic value of at least one of the power reception coil and the measurement coil on the basis of the measurement coil voltage, and to detect a foreign object in the magnetic field if the electrical characteristic value is lower than a predetermined lower limit threshold value. |
| 地址 |
Tokyo JP |
