JPH0173899U - - Google Patents
Info
- Publication number
- JPH0173899U JPH0173899U JP1987169538U JP16953887U JPH0173899U JP H0173899 U JPH0173899 U JP H0173899U JP 1987169538 U JP1987169538 U JP 1987169538U JP 16953887 U JP16953887 U JP 16953887U JP H0173899 U JPH0173899 U JP H0173899U
- Authority
- JP
- Japan
- Prior art keywords
- buzzer
- sound pressure
- optimum
- pressure sensor
- notifies
- 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
- 238000010586 diagram Methods 0.000 description 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169538U JPH0173899U (cs) | 1987-11-05 | 1987-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169538U JPH0173899U (cs) | 1987-11-05 | 1987-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0173899U true JPH0173899U (cs) | 1989-05-18 |
Family
ID=31459691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169538U Pending JPH0173899U (cs) | 1987-11-05 | 1987-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0173899U (cs) |
-
1987
- 1987-11-05 JP JP1987169538U patent/JPH0173899U/ja active Pending
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