Title:
SOUND INSPECTION SYSTEM AND SOUND INSPECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/054102
Kind Code:
A1
Abstract:
To provide a sound inspection system capable of reducing power consumption.
A sound inspection system 1 which determines a state on the basis of a sound of an inspection subject 2 is provided with: a sound sensor device 10 for collecting the sound of the inspection subject 2, analyzing the collected sound, and transmitting a result of the analysis; and a sound data determination device 30 for determining the state of the inspection subject on the basis of the analysis result from the sound sensor device. The sound sensor device transmits, as the analysis result, an intensity of the collected sound for each predetermined frequency set in advance.
Inventors:
SASAKI REISO (JP)
NISHIMURA TAKUMA (JP)
YAMADA TAKAHIRO (JP)
FUJIMORI TSUKASA (JP)
NISHIMURA TAKUMA (JP)
YAMADA TAKAHIRO (JP)
FUJIMORI TSUKASA (JP)
Application Number:
PCT/JP2019/008031
Publication Date:
March 19, 2020
Filing Date:
March 01, 2019
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G01H17/00; G05B23/02; G01M99/00
Foreign References:
| JP2017032275A | 2017-02-09 | |||
| JPH09166483A | 1997-06-24 | |||
| JPH1183618A | 1999-03-26 | |||
| JP2017134836A | 2017-08-03 | |||
| JP2017122976A | 2017-07-13 |
Attorney, Agent or Firm:
WILLFORT INTERNATIONAL PATENT FIRM (JP)
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