Power transmission apparatus and method for controlling power transmission

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United States of America Patent

PATENT NO 9749018
SERIAL NO

15251814

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Abstract

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According to one embodiment, a power transmission apparatus wirelessly transmits power to an electronic device, acquires a value of a standing wave ratio relating to power to be transmitted to the electronic device, when a predetermined condition is satisfied, updates a reference value with the acquired value of the standing wave ratio when the acquired value of the standing wave ratio is smaller than the reference value, and detects removal of the electronic device when a difference between the acquired value of the standing wave ratio and the updated reference value is greater than a threshold.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tanabe, Akihiro Tokyo, JP 94 1407

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