JPH0252177U - - Google Patents
Info
- Publication number
- JPH0252177U JPH0252177U JP13072688U JP13072688U JPH0252177U JP H0252177 U JPH0252177 U JP H0252177U JP 13072688 U JP13072688 U JP 13072688U JP 13072688 U JP13072688 U JP 13072688U JP H0252177 U JPH0252177 U JP H0252177U
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- ship
- filled
- oil
- utility
- 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
- 241000251468 Actinopterygii Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図はこの考案の実施例を示す図、第２図は
この考案における送信パルス、残響、探知信号の
関係を示す図、第３図は従来における送信パルス
、残響、探知信号の関係を示す図である。
Figure 1 is a diagram showing an embodiment of this invention, Figure 2 is a diagram showing the relationship between the transmitted pulse, reverberation, and detection signal in this invention, and Figure 3 is a diagram showing the relationship between the transmission pulse, reverberation, and detection signal in the conventional technology. It is a diagram.
Claims (1)
され 上記トランスデユーサと船底との間の距離が、
そのトランスデユーサの残響時間の間の超音波伝
播距離よりも大に選定されている魚群探知機。[Claim for Utility Model Registration] A transducer is provided above the bottom of the ship, oil is filled between the transducer and the bottom of the ship, and the distance between the transducer and the bottom of the ship is
The fish finder is selected to be greater than the ultrasonic propagation distance during the reverberation time of its transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13072688U JPH0526545Y2 (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13072688U JPH0526545Y2 (en) | 1988-10-05 | 1988-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0252177U true JPH0252177U (en) | 1990-04-13 |
| JPH0526545Y2 JPH0526545Y2 (en) | 1993-07-05 |
Family
ID=31386156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13072688U Expired - Lifetime JPH0526545Y2 (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526545Y2 (en) |
-
1988
- 1988-10-05 JP JP13072688U patent/JPH0526545Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526545Y2 (en) | 1993-07-05 |
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