JPH025427Y2 - - Google Patents
Info
- Publication number
- JPH025427Y2 JPH025427Y2 JP10701685U JP10701685U JPH025427Y2 JP H025427 Y2 JPH025427 Y2 JP H025427Y2 JP 10701685 U JP10701685 U JP 10701685U JP 10701685 U JP10701685 U JP 10701685U JP H025427 Y2 JPH025427 Y2 JP H025427Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- seabed
- fish
- reflected
- marker
- 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.)
- Expired
Links
- 239000003550 marker Substances 0.000 claims description 27
- 241000251468 Actinopterygii Species 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10701685U JPH025427Y2 (enExample) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10701685U JPH025427Y2 (enExample) | 1985-07-12 | 1985-07-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6214390U JPS6214390U (enExample) | 1987-01-28 |
| JPH025427Y2 true JPH025427Y2 (enExample) | 1990-02-08 |
Family
ID=30982902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10701685U Expired JPH025427Y2 (enExample) | 1985-07-12 | 1985-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025427Y2 (enExample) |
-
1985
- 1985-07-12 JP JP10701685U patent/JPH025427Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6214390U (enExample) | 1987-01-28 |
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