A power transmission apparatus transmits, to a power reception apparatus, if a change in the electrical characteristic during a stop of wireless power transmission is monotonically decreasing, a notification indicating whether to use a received power value to detect a foreign object based on a Q factor, and transmits, to a power reception apparatus, if the change in the electrical characteristic during the stop of wireless power transmission is not monotonically decreasing, a notification indicating that whether to use the received power value to detect the foreign object is not determined.
POWER TRANSMISSION APPARATUS, POWER RECEPTION APPARATUS, METHOD, AND STORAGE MEDIUM
2024-07-04
Patent
Electronic Resource
English
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