JPS6214390U - - Google Patents
Info
- Publication number
- JPS6214390U JPS6214390U JP10701685U JP10701685U JPS6214390U JP S6214390 U JPS6214390 U JP S6214390U JP 10701685 U JP10701685 U JP 10701685U JP 10701685 U JP10701685 U JP 10701685U JP S6214390 U JPS6214390 U JP S6214390U
- Authority
- JP
- Japan
- Prior art keywords
- reflected
- signals
- seabed
- school
- fish
- 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.)
- Granted
Links
- 239000003550 marker Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 5
- 241000251468 Actinopterygii Species 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10701685U JPH025427Y2 (de) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10701685U JPH025427Y2 (de) | 1985-07-12 | 1985-07-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6214390U true JPS6214390U (de) | 1987-01-28 |
| JPH025427Y2 JPH025427Y2 (de) | 1990-02-08 |
Family
ID=30982902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10701685U Expired JPH025427Y2 (de) | 1985-07-12 | 1985-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025427Y2 (de) |
-
1985
- 1985-07-12 JP JP10701685U patent/JPH025427Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH025427Y2 (de) | 1990-02-08 |
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