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INDUCTION HEATING COOKER, INDUCTION HEATING COOKING METHOD, INDUCTION HEATING COOKING PROGRAM, RESONANCE SOUND DETECTION DEVICE, RESONANCE SOUND DETECTION METHOD, AND RESONANCE SOUND DETECTION PROGRAM

  • US 20090173731A1
  • Filed: 05/01/2007
  • Published: 07/09/2009
  • Est. Priority Date: 05/11/2006
  • Status: Active Grant
First Claim
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1. An induction heating cooker, comprising:

  • an induction heating section for inductively heating a cooking vessel for containing an object to be heated;

    a vibration detecting section for detecting a vibration of the cooking vessel;

    a vibration waveform extracting section for extracting a vibration waveform of a frequency component having a frequency of about twice as large as an induction heating frequency, from a waveform of the vibration detected by the vibration detecting section; and

    a determining section for determining a state of the object to be heated, based on the vibration waveform extracted by the vibration waveform extracting section.

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