JPS5432374A - Periodic abnormal sound detecting system - Google Patents
Periodic abnormal sound detecting systemInfo
- 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
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
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) |
-
1977
- 1977-08-17 JP JP9891577A patent/JPS5432374A/en active Pending
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