JPS63102343U - - Google Patents
Info
- Publication number
- JPS63102343U JPS63102343U JP19768486U JP19768486U JPS63102343U JP S63102343 U JPS63102343 U JP S63102343U JP 19768486 U JP19768486 U JP 19768486U JP 19768486 U JP19768486 U JP 19768486U JP S63102343 U JPS63102343 U JP S63102343U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- underwater
- receiving
- radio wave
- ultrasonic
- 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 2
Landscapes
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19768486U JPS63102343U (fr) | 1986-12-23 | 1986-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19768486U JPS63102343U (fr) | 1986-12-23 | 1986-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63102343U true JPS63102343U (fr) | 1988-07-04 |
Family
ID=31157664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19768486U Pending JPS63102343U (fr) | 1986-12-23 | 1986-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63102343U (fr) |
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1986
- 1986-12-23 JP JP19768486U patent/JPS63102343U/ja active Pending