JPS5432374A - Periodic abnormal sound detecting system - Google Patents

Periodic abnormal sound detecting system

Info

Publication number
JPS5432374A
JPS5432374A JP9891577A JP9891577A JPS5432374A JP S5432374 A JPS5432374 A JP S5432374A JP 9891577 A JP9891577 A JP 9891577A JP 9891577 A JP9891577 A JP 9891577A JP S5432374 A JPS5432374 A JP S5432374A
Authority
JP
Japan
Prior art keywords
detecting system
abnormal sound
sound detecting
periodic abnormal
periodic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9891577A
Other languages
Japanese (ja)
Inventor
Minoru Oda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP9891577A priority Critical patent/JPS5432374A/en
Publication of JPS5432374A publication Critical patent/JPS5432374A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To detect periodic abnormal sounds by so arranging the system that the filter units which are in the tuning relation with the production frequency of abnormal sounds show the strongest response with the output signal of an acoustic transducer.
COPYRIGHT: (C)1979,JPO&Japio
JP9891577A 1977-08-17 1977-08-17 Periodic abnormal sound detecting system Pending JPS5432374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9891577A JPS5432374A (en) 1977-08-17 1977-08-17 Periodic abnormal sound detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9891577A JPS5432374A (en) 1977-08-17 1977-08-17 Periodic abnormal sound detecting system

Publications (1)

Publication Number Publication Date
JPS5432374A true JPS5432374A (en) 1979-03-09

Family

ID=14232416

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9891577A Pending JPS5432374A (en) 1977-08-17 1977-08-17 Periodic abnormal sound detecting system

Country Status (1)

Country Link
JP (1) JPS5432374A (en)

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