Parking assistance device and parking assistance method
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United States of America Patent
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Oct 30, 2018
Grant Date -
Jan 18, 2018
app pub date -
Jan 29, 2015
filing date -
Jan 29, 2015
priority date (Note) -
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Abstract
The parking assistance device is used in a wireless power supply system which performs wireless power supply between the power transmitting coil on a ground side and the power receiving coil on a vehicle side, and includes: three or more coils aligned in one direction in a plan view of the vehicle, the coils configured to detect magnetic flux in a height direction of the vehicle which is generated by the power transmitting coil; and a misalignment detection unit configured to detect misalignment between the power transmitting coil and the power receiving coil in the one direction, based on a decrease in the magnetic flux in the height direction of the vehicle which is detected by the three or more coils.
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