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Moving object, wireless power feeding system, and wireless power feeding method

  • US 9,114,718 B2
  • Filed: 01/03/2014
  • Issued: 08/25/2015
  • Est. Priority Date: 02/05/2010
  • Status: Active Grant
First Claim
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1. A power receiving device comprising:

  • an antenna circuit configured to generate a first electric signal and a second electric signal from a first radio wave and a second radio wave sequentially transmitted from a power feeding device, respectively;

    a signal processing circuit configured to extract data on a positional relationship between the antenna circuit and the power feeding device, using the first electric signal;

    a secondary battery configured to store electric energy using the second electric signal;

    an oscillator circuit configured to generate a signal having a certain frequency; and

    a modulation circuit configured to apply a voltage to the antenna circuit in accordance with a start signal and the signal having the certain frequency,wherein the start signal is generated in the signal processing circuit.

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