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Wireless power repeater

  • US 9,112,542 B2
  • Filed: 09/28/2012
  • Issued: 08/18/2015
  • Est. Priority Date: 10/11/2011
  • Status: Active Grant
First Claim
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1. A wireless power repeater for transferring power from a wireless power transmitter to a wireless power receiver, the wireless power repeater comprising:

  • a repeater resonant unit resonance-coupled with the wireless power transmitter for transferring received power to the wireless power receiver;

    a first shielding unit configured such that, when pressure is applied to the wireless power repeater, a shape of the first shielding unit transforms and an amount of a magnetic field transferred from the repeater resonant unit to the wireless power receiver is adjusted; and

    a second shielding unit connected to the first shielding unit and having a shape for receiving the repeater resonant unit;

    wherein, when the shape of the first shielding unit is transformed applied to the wireless power repeater, an amount of the magnetic field transferred to the wireless power receiver and an amount of the magnetic field leaked to an outside is adjusted.

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