JPS5721820B2 - - Google Patents
Info
- Publication number
- JPS5721820B2 JPS5721820B2 JP1383975A JP1383975A JPS5721820B2 JP S5721820 B2 JPS5721820 B2 JP S5721820B2 JP 1383975 A JP1383975 A JP 1383975A JP 1383975 A JP1383975 A JP 1383975A JP S5721820 B2 JPS5721820 B2 JP S5721820B2
- Authority
- JP
- Japan
- 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
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1383975A JPS5721820B2 (en:Method) | 1975-01-31 | 1975-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1383975A JPS5721820B2 (en:Method) | 1975-01-31 | 1975-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5189162A JPS5189162A (en:Method) | 1976-08-04 |
| JPS5721820B2 true JPS5721820B2 (en:Method) | 1982-05-10 |
Family
ID=11844436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1383975A Expired JPS5721820B2 (en:Method) | 1975-01-31 | 1975-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5721820B2 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5658287U (en:Method) * | 1979-10-05 | 1981-05-19 | ||
| JPS5749878A (en) * | 1980-09-09 | 1982-03-24 | Nec Corp | Acoustic homing system for object running underwater |
-
1975
- 1975-01-31 JP JP1383975A patent/JPS5721820B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5189162A (en:Method) | 1976-08-04 |