JPS63198248U - - Google Patents
Info
- Publication number
- JPS63198248U JPS63198248U JP9045387U JP9045387U JPS63198248U JP S63198248 U JPS63198248 U JP S63198248U JP 9045387 U JP9045387 U JP 9045387U JP 9045387 U JP9045387 U JP 9045387U JP S63198248 U JPS63198248 U JP S63198248U
- Authority
- JP
- Japan
- Prior art keywords
- acoustic
- transmission tube
- transducer
- energy
- receiver
- 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
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9045387U JPS63198248U (en]) | 1987-06-12 | 1987-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9045387U JPS63198248U (en]) | 1987-06-12 | 1987-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63198248U true JPS63198248U (en]) | 1988-12-20 |
Family
ID=30950331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9045387U Pending JPS63198248U (en]) | 1987-06-12 | 1987-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63198248U (en]) |
-
1987
- 1987-06-12 JP JP9045387U patent/JPS63198248U/ja active Pending