JPS6428084U - - Google Patents
Info
- Publication number
- JPS6428084U JPS6428084U JP12368587U JP12368587U JPS6428084U JP S6428084 U JPS6428084 U JP S6428084U JP 12368587 U JP12368587 U JP 12368587U JP 12368587 U JP12368587 U JP 12368587U JP S6428084 U JPS6428084 U JP S6428084U
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- magnetic circuit
- outer shell
- close contact
- magnetic
- 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
Landscapes
- Stereophonic Arrangements (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12368587U JPS6428084U (enExample) | 1987-08-12 | 1987-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12368587U JPS6428084U (enExample) | 1987-08-12 | 1987-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428084U true JPS6428084U (enExample) | 1989-02-17 |
Family
ID=31372762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12368587U Pending JPS6428084U (enExample) | 1987-08-12 | 1987-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428084U (enExample) |
-
1987
- 1987-08-12 JP JP12368587U patent/JPS6428084U/ja active Pending