Wireless power receiving apparatus
First Claim
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1. A power receiving apparatus comprising:
- a power receiving circuit configured to receive electric power supplied by a power feeding apparatus through a magnetic field between the power feeding apparatus and the power receiving apparatus; and
a transmitting circuit configured to transmit a set value to the power feeding apparatus,wherein the set value is determined from a Q factor of a power feeding coil of the power feeding apparatus, the Q factor is calculated when there is no foreign substance in a magnetic field between the power feeding apparatus and the power receiving apparatus, and the set value is stored in the power receiving apparatus.
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Abstract
A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured to provide a set value; and a foreign substance detection unit configured to detect a foreign substance in the magnetic field based on the set value and the measurement value. A power receiving apparatus, a power feeding system, and a method of controlling power feeding are also provided.
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Citations
9 Claims
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1. A power receiving apparatus comprising:
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a power receiving circuit configured to receive electric power supplied by a power feeding apparatus through a magnetic field between the power feeding apparatus and the power receiving apparatus; and a transmitting circuit configured to transmit a set value to the power feeding apparatus, wherein the set value is determined from a Q factor of a power feeding coil of the power feeding apparatus, the Q factor is calculated when there is no foreign substance in a magnetic field between the power feeding apparatus and the power receiving apparatus, and the set value is stored in the power receiving apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification