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System for wireless power transmission and reception using in-band communication

  • US 9,071,085 B2
  • Filed: 12/19/2011
  • Issued: 06/30/2015
  • Est. Priority Date: 12/23/2010
  • Status: Active Grant
First Claim
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1. A wireless power transmitter using an in-band communication, the wireless power transmitter comprising:

  • a source resonance unit including a source resonator that is configured to transmit wireless power to one or more in-band resonators;

    a source controller configured to control a resonance frequency and an impedance of the source resonator, to detect an in-band resonator located in a location corresponding to a wireless power receiver among the in-band resonators, and to generate a control signal of the detected in-band resonator; and

    an in-band resonance unit configured to receive and demodulate identification information associated with the wireless power receiver via the one or more in-band resonators, and to transmit the wireless power and transmission data via the in-band resonator corresponding to the wireless power receiver, wherein the transmission data is modulated according to switching of the in-band resonators.

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