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Body movement detecting apparatus and method, and content playback apparatus and method

  • US 7,674,967 B2
  • Filed: 03/20/2006
  • Issued: 03/09/2010
  • Est. Priority Date: 03/22/2005
  • Status: Expired due to Fees
First Claim
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1. A body movement detecting apparatus comprising:

  • measuring means which outputs, as at least one time-series signal, at least one result of measurement obtained by measuring body movement;

    detecting means in which, after slicing off a part of said at least one time-series signal output from the measuring means to generate a reference signal having a predetermined interval length from a predetermined position in said at least one time-series signal, the detecting means detects an intensity of correlation between the reference signal and each different part of said at least one time-series signal in a vicinity of the reference signal, the different part having the predetermined interval length; and

    determining means which, based on the detected intensity of correlation detected by the detecting means, performs one or both of determining whether the body movement is periodic, and determining a period of the body movement.

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