JPH0648452Y2 - 表層魚探知装置 - Google Patents
表層魚探知装置Info
- Publication number
- JPH0648452Y2 JPH0648452Y2 JP1987154925U JP15492587U JPH0648452Y2 JP H0648452 Y2 JPH0648452 Y2 JP H0648452Y2 JP 1987154925 U JP1987154925 U JP 1987154925U JP 15492587 U JP15492587 U JP 15492587U JP H0648452 Y2 JPH0648452 Y2 JP H0648452Y2
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- fish
- signal
- level
- output
- 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 - Lifetime
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987154925U JPH0648452Y2 (ja) | 1987-10-08 | 1987-10-08 | 表層魚探知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987154925U JPH0648452Y2 (ja) | 1987-10-08 | 1987-10-08 | 表層魚探知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0159883U JPH0159883U (en]) | 1989-04-14 |
JPH0648452Y2 true JPH0648452Y2 (ja) | 1994-12-12 |
Family
ID=31432095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987154925U Expired - Lifetime JPH0648452Y2 (ja) | 1987-10-08 | 1987-10-08 | 表層魚探知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0648452Y2 (en]) |
Family Cites Families (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/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0159883U (en]) | 1989-04-14 |
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