JPH01132929U - - Google Patents
Info
- Publication number
- JPH01132929U JPH01132929U JP2614988U JP2614988U JPH01132929U JP H01132929 U JPH01132929 U JP H01132929U JP 2614988 U JP2614988 U JP 2614988U JP 2614988 U JP2614988 U JP 2614988U JP H01132929 U JPH01132929 U JP H01132929U
- Authority
- JP
- Japan
- Prior art keywords
- excessive noise
- noise
- operating
- section
- excessive
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2614988U JPH01132929U (2) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2614988U JPH01132929U (2) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132929U true JPH01132929U (2) | 1989-09-11 |
Family
ID=31247516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2614988U Pending JPH01132929U (2) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132929U (2) |
-
1988
- 1988-02-29 JP JP2614988U patent/JPH01132929U/ja active Pending
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