POWER TRANSMISSION APPARATUS, CONTROL METHOD EXECUTED BY POWER TRANSMISSION APPARATUS, AND STORAGE MEDIUM
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United States of America Patent
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Issued Date -
Aug 4, 2022
app pub date -
Apr 12, 2022
filing date -
Apr 24, 2019
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Abstract
When a communication unit receives an end power transfer (EPT) packet including information about a power transmission stop period from a power reception apparatus, a power transmission apparatus controls a power transmission coil to transmit a checking signal for checking existence of the power reception apparatus during the power transmission stop period, detects at least one of a voltage or a current applied to the power transmission coil when the checking signal is transmitted, and determines whether the power reception apparatus that has transmitted the EPT packet exists, based on the detection result.
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