JPS61144485U - - Google Patents
Info
- Publication number
- JPS61144485U JPS61144485U JP2774985U JP2774985U JPS61144485U JP S61144485 U JPS61144485 U JP S61144485U JP 2774985 U JP2774985 U JP 2774985U JP 2774985 U JP2774985 U JP 2774985U JP S61144485 U JPS61144485 U JP S61144485U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- output signal
- display device
- passive sonar
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774985U JPS61144485U (es) | 1985-02-27 | 1985-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774985U JPS61144485U (es) | 1985-02-27 | 1985-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61144485U true JPS61144485U (es) | 1986-09-06 |
Family
ID=30524986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2774985U Pending JPS61144485U (es) | 1985-02-27 | 1985-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61144485U (es) |
-
1985
- 1985-02-27 JP JP2774985U patent/JPS61144485U/ja active Pending