JPS63146782U - - Google Patents
Info
- Publication number
- JPS63146782U JPS63146782U JP4060387U JP4060387U JPS63146782U JP S63146782 U JPS63146782 U JP S63146782U JP 4060387 U JP4060387 U JP 4060387U JP 4060387 U JP4060387 U JP 4060387U JP S63146782 U JPS63146782 U JP S63146782U
- Authority
- JP
- Japan
- Prior art keywords
- level
- seabed
- signal
- reflected
- period
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000002194 synthesizing 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 |
|---|---|---|---|
| JP4060387U JPH0413673Y2 (nl) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4060387U JPH0413673Y2 (nl) | 1987-03-18 | 1987-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63146782U true JPS63146782U (nl) | 1988-09-28 |
| JPH0413673Y2 JPH0413673Y2 (nl) | 1992-03-30 |
Family
ID=30854832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4060387U Expired JPH0413673Y2 (nl) | 1987-03-18 | 1987-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413673Y2 (nl) |
-
1987
- 1987-03-18 JP JP4060387U patent/JPH0413673Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413673Y2 (nl) | 1992-03-30 |
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