JPH0159883U - - Google Patents
Info
- Publication number
- JPH0159883U JPH0159883U JP15492587U JP15492587U JPH0159883U JP H0159883 U JPH0159883 U JP H0159883U JP 15492587 U JP15492587 U JP 15492587U JP 15492587 U JP15492587 U JP 15492587U JP H0159883 U JPH0159883 U JP H0159883U
- Authority
- JP
- Japan
- Prior art keywords
- towed
- towed body
- impulse
- key
- key impulse
- 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 4
- 241000251468 Actinopterygii Species 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は曳航体の外観の概略および曳航体が接
続される計量魚群探知器の電気的構成を示す説明
図、第２図は本考案の一実施例が魚群を探知する
様子を示す説明図、第３図は飽和検出回路の電気
的構成の一例を示すブロツク線図、第４図は受波
信号のレベルに対する飽和検出信号と、海面検出
信号との関係を示す説明図、第５図は警告信号発
生部内の主要信号のタイミングを示すタイミング
チヤートである。
１１……送受波器、１２……曳航体、２５……
キーインパルス。
Fig. 1 is an explanatory diagram showing the outline of the appearance of the towing body and the electrical configuration of the weighing fish finder to which the towing body is connected, and Fig. 2 is an explanatory diagram showing how an embodiment of the present invention detects schools of fish. , FIG. 3 is a block diagram showing an example of the electrical configuration of the saturation detection circuit, FIG. 4 is an explanatory diagram showing the relationship between the saturation detection signal and the sea level detection signal with respect to the level of the received signal, and FIG. 3 is a timing chart showing the timing of main signals in the warning signal generation section. 11... Transducer/receiver, 12... Towing body, 25...
key impulse.
Claims (1)
曳航体に設けられ、前記水中から水面に向かつて
キーインパルスの発射を行うと共に、前記キーイ
ンパルスの反射波の受波を行う送受波器とを備え
たことを特徴とする表層魚探知装置。 A towed body towed underwater by a ship, and a transducer installed on the towed body to emit a key impulse from the water toward the water surface and to receive reflected waves of the key impulse. A surface fish detection device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987154925U JPH0648452Y2 (en) | 1987-10-08 | 1987-10-08 | Surface fish detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987154925U JPH0648452Y2 (en) | 1987-10-08 | 1987-10-08 | Surface fish detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159883U true JPH0159883U (en) | 1989-04-14 |
| JPH0648452Y2 JPH0648452Y2 (en) | 1994-12-12 |
Family
ID=31432095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987154925U Expired - Lifetime JPH0648452Y2 (en) | 1987-10-08 | 1987-10-08 | Surface fish detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648452Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521312A (en) * | 1978-07-26 | 1980-02-15 | Mitsubishi Heavy Ind Ltd | Suspension beam for ladle crane |
-
1987
- 1987-10-08 JP JP1987154925U patent/JPH0648452Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5521312A (en) * | 1978-07-26 | 1980-02-15 | Mitsubishi Heavy Ind Ltd | Suspension beam for ladle crane |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648452Y2 (en) | 1994-12-12 |
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