JPS6241519Y2 - - Google Patents
Info
- Publication number
- JPS6241519Y2 JPS6241519Y2 JP6997280U JP6997280U JPS6241519Y2 JP S6241519 Y2 JPS6241519 Y2 JP S6241519Y2 JP 6997280 U JP6997280 U JP 6997280U JP 6997280 U JP6997280 U JP 6997280U JP S6241519 Y2 JPS6241519 Y2 JP S6241519Y2
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- speakers
- sound
- clarity
- low frequency
- 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.)
- Expired
Links
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997280U JPS6241519Y2 (cs) | 1980-05-20 | 1980-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6997280U JPS6241519Y2 (cs) | 1980-05-20 | 1980-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56172099U JPS56172099U (cs) | 1981-12-18 |
| JPS6241519Y2 true JPS6241519Y2 (cs) | 1987-10-23 |
Family
ID=29663855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6997280U Expired JPS6241519Y2 (cs) | 1980-05-20 | 1980-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6241519Y2 (cs) |
-
1980
- 1980-05-20 JP JP6997280U patent/JPS6241519Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56172099U (cs) | 1981-12-18 |
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