GB2297449B - Improvements in or relating to ranging systems - Google Patents
Improvements in or relating to ranging systemsInfo
- Publication number
- GB2297449B GB2297449B GB7900524A GB7900524A GB2297449B GB 2297449 B GB2297449 B GB 2297449B GB 7900524 A GB7900524 A GB 7900524A GB 7900524 A GB7900524 A GB 7900524A GB 2297449 B GB2297449 B GB 2297449B
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- ranging systems
- ranging
- systems
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/04—Systems for determining distance or velocity not using reflection or reradiation using radio waves using angle measurements
-
- 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
- G01S3/02—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 radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7900524A GB2297449B (en) | 1978-01-07 | 1979-01-08 | Improvements in or relating to ranging systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB59278 | 1978-01-07 | ||
GB7900524A GB2297449B (en) | 1978-01-07 | 1979-01-08 | Improvements in or relating to ranging systems |
Publications (3)
Publication Number | Publication Date |
---|---|
GB7900524D0 GB7900524D0 (en) | 1996-04-24 |
GB2297449A GB2297449A (en) | 1996-07-31 |
GB2297449B true GB2297449B (en) | 1997-01-08 |
Family
ID=26236045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7900524A Expired - Lifetime GB2297449B (en) | 1978-01-07 | 1979-01-08 | Improvements in or relating to ranging systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2297449B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001324557A (en) * | 2000-05-18 | 2001-11-22 | Sony Corp | Device and method for estimating position of signal transmitting source in short range field with array antenna |
-
1979
- 1979-01-08 GB GB7900524A patent/GB2297449B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2297449A (en) | 1996-07-31 |
GB7900524D0 (en) | 1996-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
730 | Substitution of applicants allowed (sect. 30/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19990107 |