JPH0226750B2 - - Google Patents
Info
- Publication number
- JPH0226750B2 JPH0226750B2 JP58024265A JP2426583A JPH0226750B2 JP H0226750 B2 JPH0226750 B2 JP H0226750B2 JP 58024265 A JP58024265 A JP 58024265A JP 2426583 A JP2426583 A JP 2426583A JP H0226750 B2 JPH0226750 B2 JP H0226750B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- receiving beam
- arrival
- storage
- memory
- 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
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2426583A JPS59148891A (ja) | 1983-02-15 | 1983-02-15 | 到来信号の到来方向検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2426583A JPS59148891A (ja) | 1983-02-15 | 1983-02-15 | 到来信号の到来方向検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59148891A JPS59148891A (ja) | 1984-08-25 |
| JPH0226750B2 true JPH0226750B2 (enrdf_load_html_response) | 1990-06-12 |
Family
ID=12133397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2426583A Granted JPS59148891A (ja) | 1983-02-15 | 1983-02-15 | 到来信号の到来方向検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59148891A (enrdf_load_html_response) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041793B2 (ja) * | 1978-04-19 | 1985-09-18 | 日本警備保障株式会社 | 超音波による警戒方式 |
| JPS57149475U (enrdf_load_html_response) * | 1982-02-24 | 1982-09-20 |
-
1983
- 1983-02-15 JP JP2426583A patent/JPS59148891A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59148891A (ja) | 1984-08-25 |
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