Power transmission apparatus for wirelessly supplying power to power reception apparatus
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United States of America Patent
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Aug 6, 2019
Grant Date -
Apr 27, 2017
app pub date -
Oct 19, 2016
filing date -
Oct 23, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A power transmission apparatus includes a communication unit that executes communication with an electronic apparatus, a power transmission unit that wirelessly supplies power to the electronic apparatus, and a control unit that controls communication and power supply to be executed alternately, wherein the control unit adjusts communication power of the communication unit and transmission power of the power transmission unit and/or a length of a communication period and a length of a power transmission period, so that an average magnetic field intensity does not exceed a first magnetic field intensity in a predetermined region throughout the communication period of communication executed by the communication unit and the power transmission period of power transmission executed by the power transmission unit.
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