JPS632474B2 - - Google Patents
Info
- Publication number
- JPS632474B2 JPS632474B2 JP56121795A JP12179581A JPS632474B2 JP S632474 B2 JPS632474 B2 JP S632474B2 JP 56121795 A JP56121795 A JP 56121795A JP 12179581 A JP12179581 A JP 12179581A JP S632474 B2 JPS632474 B2 JP S632474B2
- Authority
- JP
- Japan
- Prior art keywords
- echo
- fish
- school
- display
- ray tube
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/56—Display arrangements
- G01S7/62—Cathode-ray tube displays
- G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction
- G01S7/6227—Plan-position indicators, i.e. P.P.I.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56121795A JPS5822980A (ja) | 1981-08-05 | 1981-08-05 | スキヤンニングソ−ナ−における３次元表示方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56121795A JPS5822980A (ja) | 1981-08-05 | 1981-08-05 | スキヤンニングソ−ナ−における３次元表示方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5822980A JPS5822980A (ja) | 1983-02-10 |
| JPS632474B2 true JPS632474B2 (h) | 1988-01-19 |
Family
ID=14820094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56121795A Granted JPS5822980A (ja) | 1981-08-05 | 1981-08-05 | スキヤンニングソ−ナ−における３次元表示方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5822980A (h) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011185A (ja) * | 1983-06-30 | 1985-01-21 | Furuno Electric Co Ltd | 水中探知装置 |
-
1981
- 1981-08-05 JP JP56121795A patent/JPS5822980A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5822980A (ja) | 1983-02-10 |
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