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Diagnostic apparatus, diagnostic system, and non-transitory computer readable medium

  • US 9,992,355 B2
  • Filed: 07/12/2016
  • Issued: 06/05/2018
  • Est. Priority Date: 02/02/2016
  • Status: Active Grant
First Claim
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1. A diagnostic apparatus comprising:

  • at least one processor configured to execute;

    acquiring sound information from a target apparatus;

    performing a frequency analysis of the sound information and generating frequency analysis result data representing a temporal change in an intensity distribution for each frequency;

    specifying a frequency of an abnormal sound in the frequency analysis result data;

    analyzing a frequency component of the specified frequency of the abnormal sound; and

    extracting period information of the abnormal sound from an analysis result acquired by the analyzing the frequency component.

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