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Power transmission apparatus, power reception apparatus, control method, and computer-readable storage medium

Grant US12580427B2 Kind: B2 Mar 17, 2026

Assignee

Canon Kabushiki Kaisha

Inventors

Hajime Iwase

Abstract

A power transmission apparatus that can wirelessly transmit power to a power reception apparatus via a power transmission coil and communicate with the power reception apparatus determines presence/absence of an object different from the power reception apparatus based on a Q factor of the power transmission coil measured in a phase for performing power transmission. The power transmission apparatus controls whether to execute the determination of presence/absence of the object different from the power reception apparatus based on measurement of the Q factor of the power transmission coil, based on information received from the power reception apparatus through communication that represents whether the power reception apparatus can execute predetermined processing associated with the determination of presence/absence of the object different from the power reception apparatus based on the measurement of the Q factor of the power transmission coil.

CPC Classifications

H02J 50/60 H02J 50/80 H02J 50/12 H04B 5/0037 B60L 53/12 B60L 53/124 G01R 27/2688 G01R 27/26

Filing Date

2024-07-16

Application No.

18774183

Claims

4