WIRELESS POWER TRANSMISSION APPARATUS, WIRELESS POWER RECEPTION APPARATUS, AND WIRELESS CHARGING SYSTEM
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United States of America Patent
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Issued Date -
Nov 9, 2017
app pub date -
Feb 6, 2015
filing date -
Nov 13, 2014
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Abstract
The present disclosure relates to a wireless power transmitter, a wireless power receiver, and a wireless charging system, in the field of wireless power transmission. A wireless power transmitter configured to transmit wireless power to a wireless power receiver, according to the present invention, comprises: first and second coils which are arranged so that any one of the first and second coils winds around the other one of the first and second coils; a shielding unit having a plurality of shielding members which are sequentially arranged to be spaced apart from one another along the circumference of at least one of the first and second coils so as to form a radial shape; and a control unit adapted to control the first and second coils so that the wireless power is supplied to the wireless power receiver through at least one of the first and second coils.
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