GB2252409B - Underwater distance measuring system - Google Patents
Underwater distance measuring systemInfo
- Publication number
- GB2252409B GB2252409B GB8133430A GB8133430A GB2252409B GB 2252409 B GB2252409 B GB 2252409B GB 8133430 A GB8133430 A GB 8133430A GB 8133430 A GB8133430 A GB 8133430A GB 2252409 B GB2252409 B GB 2252409B
- Authority
- GB
- United Kingdom
- Prior art keywords
- distance measuring
- measuring system
- underwater distance
- underwater
- measuring
- 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 - Fee Related
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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (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 |
---|---|---|---|
GB8133430A GB2252409B (en) | 1981-11-05 | 1981-11-05 | Underwater distance measuring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8133430A GB2252409B (en) | 1981-11-05 | 1981-11-05 | Underwater distance measuring system |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2252409A GB2252409A (en) | 1992-08-05 |
GB2252409B true GB2252409B (en) | 1992-12-16 |
Family
ID=10525664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8133430A Expired - Fee Related GB2252409B (en) | 1981-11-05 | 1981-11-05 | Underwater distance measuring system |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2252409B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114578361B (en) * | 2022-02-28 | 2023-05-16 | 东南大学 | Underwater unmanned platform cluster underwater sound positioning navigation method |
-
1981
- 1981-11-05 GB GB8133430A patent/GB2252409B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2252409A (en) | 1992-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930316 |