JPH02145887U - - Google Patents
Info
- Publication number
- JPH02145887U JPH02145887U JP5489889U JP5489889U JPH02145887U JP H02145887 U JPH02145887 U JP H02145887U JP 5489889 U JP5489889 U JP 5489889U JP 5489889 U JP5489889 U JP 5489889U JP H02145887 U JPH02145887 U JP H02145887U
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- speaker
- space
- wall surface
- cushioning material
- 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
- 210000005069 ears Anatomy 0.000 claims 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5489889U JPH02145887U (en18) | 1989-05-12 | 1989-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5489889U JPH02145887U (en18) | 1989-05-12 | 1989-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145887U true JPH02145887U (en18) | 1990-12-11 |
Family
ID=31577370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5489889U Pending JPH02145887U (en18) | 1989-05-12 | 1989-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145887U (en18) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003175169A (ja) * | 2002-10-30 | 2003-06-24 | Sanyo Product Co Ltd | パチンコ機 |
-
1989
- 1989-05-12 JP JP5489889U patent/JPH02145887U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003175169A (ja) * | 2002-10-30 | 2003-06-24 | Sanyo Product Co Ltd | パチンコ機 |