ELECTRONIC COMPONENT, POWER FEEDING DEVICE, AND POWER FEEDING SYSTEM
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Dec 18, 2013
filing date -
Dec 28, 2012
priority date (Note) -
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Abstract
To perform wireless power transfer without needing a feedback coil, an electronic component includes: a drive transistor to be connected in series to a resonant circuit, the resonant circuit including a feeding coil for feeding power to a receiving coil and a resonant capacitor configured to resonate with the feeding coil; and a drive control section for controlling the drive transistor. The drive control section includes an ON-signal generation section for generating, when a potential difference across the drive transistor falls within a given threshold range, a control signal for controlling the drive transistor to a conductive state for a predetermined first period and thereafter controlling the drive transistor to a non-conductive state.
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