JPS6315297U - - Google Patents
Info
- Publication number
- JPS6315297U JPS6315297U JP10888186U JP10888186U JPS6315297U JP S6315297 U JPS6315297 U JP S6315297U JP 10888186 U JP10888186 U JP 10888186U JP 10888186 U JP10888186 U JP 10888186U JP S6315297 U JPS6315297 U JP S6315297U
- Authority
- JP
- Japan
- Prior art keywords
- helmet
- amplifier
- speaker
- accommodation chamber
- microphone
- 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
- 230000004308 accommodation Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10888186U JPS6315297U (hr) | 1986-07-16 | 1986-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10888186U JPS6315297U (hr) | 1986-07-16 | 1986-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6315297U true JPS6315297U (hr) | 1988-02-01 |
Family
ID=30986481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10888186U Pending JPS6315297U (hr) | 1986-07-16 | 1986-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6315297U (hr) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US342579A (en) * | 1886-05-25 | Nailing-jack | ||
| JPS4329046Y1 (hr) * | 1965-11-19 | 1968-11-29 | ||
| JPS60160233A (ja) * | 1984-01-31 | 1985-08-21 | O D S Marine:Kk | 水中通信方法およびその装置 |
-
1986
- 1986-07-16 JP JP10888186U patent/JPS6315297U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US342579A (en) * | 1886-05-25 | Nailing-jack | ||
| JPS4329046Y1 (hr) * | 1965-11-19 | 1968-11-29 | ||
| JPS60160233A (ja) * | 1984-01-31 | 1985-08-21 | O D S Marine:Kk | 水中通信方法およびその装置 |