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POWER RECEIVING DEVICE AND POWER FEEDING SYSTEM

  • US 20130154385A1
  • Filed: 12/10/2012
  • Published: 06/20/2013
  • Est. Priority Date: 12/16/2011
  • Status: Active Grant
First Claim
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1. A power receiving device comprising:

  • an antenna unit comprising a resonant coil, a capacitor, and an electromagnetic induction coil;

    a charging circuit unit comprising a rectifier circuit, a power storage device, a current detection circuit for detecting a current value supplied to the power storage device, and a voltage detection circuit for detecting a voltage value applied to the power storage device; and

    a communication control unit comprising a control circuit for generating a selection signal based on the detected current value and the detected voltage value, a plurality of switches to be turned on or off by the selection signal, and a passive element electrically connected to each of the plurality of switches.

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