WIRELESS POWER TRANSMISSION AND RECEPTION DEVICE
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United States of America Patent
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Dec 10, 2015
app pub date -
Oct 18, 2013
filing date -
Oct 18, 2012
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Abstract
The present disclosure provides a wireless power transmission system. Some embodiments of the present disclosure provide a power collecting device for a wireless power transmission system, including a secondary coil, an impedance matching unit and a rectifier circuit. The secondary coil is configured to generate an induction current from a power supply device for the wireless power transmission system by an electromagnetic field resonating at a predetermined frequency. The impedance matching unit is connected across the secondary coil and is configured to cooperate with the secondary coil for resonating at the predetermined frequency. The rectifier circuit is connected to output terminals of the impedance matching unit and is configured to rectify the induction current in the secondary coil into a direct current.
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