GB8407318D0 - Radiating acoustic pulses - Google Patents
Radiating acoustic pulsesInfo
- Publication number
- GB8407318D0 GB8407318D0 GB848407318A GB8407318A GB8407318D0 GB 8407318 D0 GB8407318 D0 GB 8407318D0 GB 848407318 A GB848407318 A GB 848407318A GB 8407318 A GB8407318 A GB 8407318A GB 8407318 D0 GB8407318 D0 GB 8407318D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- acoustic pulses
- radiating acoustic
- radiating
- pulses
- acoustic
- 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.)
- Granted
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08407318A GB2177796B (en) | 1984-03-21 | 1984-03-21 | Passive sonar systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08407318A GB2177796B (en) | 1984-03-21 | 1984-03-21 | Passive sonar systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8407318D0 true GB8407318D0 (en) | 1986-10-29 |
GB2177796A GB2177796A (en) | 1987-01-28 |
GB2177796B GB2177796B (en) | 1987-12-09 |
Family
ID=10558438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08407318A Expired GB2177796B (en) | 1984-03-21 | 1984-03-21 | Passive sonar systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2177796B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1075634C (en) * | 1997-01-21 | 2001-11-28 | 中国科学院空间科学与应用研究中心 | Method and equipment of obtaining marine echo full distance curve |
EP1260785B1 (en) * | 2001-05-25 | 2005-03-16 | Raytheon Company | Passive proximity fuze utilizing Doppler effect |
GB201222871D0 (en) * | 2012-12-19 | 2013-01-30 | Secr Defence | Detection method and apparatus |
-
1984
- 1984-03-21 GB GB08407318A patent/GB2177796B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2177796A (en) | 1987-01-28 |
GB2177796B (en) | 1987-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960321 |