JPS62191298U - - Google Patents
Info
- Publication number
- JPS62191298U JPS62191298U JP7694286U JP7694286U JPS62191298U JP S62191298 U JPS62191298 U JP S62191298U JP 7694286 U JP7694286 U JP 7694286U JP 7694286 U JP7694286 U JP 7694286U JP S62191298 U JPS62191298 U JP S62191298U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- speaker
- sound
- meter
- investigating
- 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 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7694286U JPS62191298U (es) | 1986-05-23 | 1986-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7694286U JPS62191298U (es) | 1986-05-23 | 1986-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62191298U true JPS62191298U (es) | 1987-12-05 |
Family
ID=30924483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7694286U Pending JPS62191298U (es) | 1986-05-23 | 1986-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62191298U (es) |
-
1986
- 1986-05-23 JP JP7694286U patent/JPS62191298U/ja active Pending