GB2056812B - Radio direction finder - Google Patents
Radio direction finderInfo
- Publication number
- GB2056812B GB2056812B GB8005849A GB8005849A GB2056812B GB 2056812 B GB2056812 B GB 2056812B GB 8005849 A GB8005849 A GB 8005849A GB 8005849 A GB8005849 A GB 8005849A GB 2056812 B GB2056812 B GB 2056812B
- Authority
- GB
- United Kingdom
- Prior art keywords
- direction finder
- radio direction
- radio
- finder
- 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
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
- G01S3/02—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
- G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/064,872 US4302759A (en) | 1979-08-08 | 1979-08-08 | Radio direction finder |
JP54157375A JPS5853869B2 (en) | 1979-12-06 | 1979-12-06 | direction finder |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2056812A GB2056812A (en) | 1981-03-18 |
GB2056812B true GB2056812B (en) | 1984-06-06 |
Family
ID=26484849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8005849A Expired GB2056812B (en) | 1979-08-08 | 1980-02-21 | Radio direction finder |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3010957C2 (en) |
FR (1) | FR2463419B1 (en) |
GB (1) | GB2056812B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5769267A (en) * | 1980-10-20 | 1982-04-27 | Taiyo Musen Kk | Antenna apparatus for azimuth measuring apparatus |
JPS6012589B2 (en) * | 1981-08-18 | 1985-04-02 | 太洋無線株式会社 | automatic direction finder |
KR870000138B1 (en) * | 1982-04-05 | 1987-02-12 | 모리켄조오 | Automatic direction finder |
DE3412760A1 (en) * | 1984-04-05 | 1985-10-24 | C. Plath Gmbh Nautisch-Elektronische Technik, 2000 Hamburg | Method for radio direction-finding with a single-channel receiver |
US4654664A (en) * | 1985-05-20 | 1987-03-31 | Rockwell International Corporation | Electronic null-seeking goniometer for ADF |
JPS62185180A (en) * | 1986-02-12 | 1987-08-13 | Taiyo Musen Kk | Direction finder |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD80242A (en) * | ||||
US3303504A (en) * | 1964-09-14 | 1967-02-07 | Lawrence R Weill | Automatic radio direction finder system |
US3967280A (en) * | 1975-01-27 | 1976-06-29 | Rockwell International Corporation | Direction finding system with integrated loop and sense antenna assembly |
US4135191A (en) * | 1977-06-13 | 1979-01-16 | The Bendix Corporation | Coherent demodulator |
-
1980
- 1980-02-21 GB GB8005849A patent/GB2056812B/en not_active Expired
- 1980-03-21 DE DE19803010957 patent/DE3010957C2/en not_active Expired
- 1980-04-03 FR FR8007538A patent/FR2463419B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3010957A1 (en) | 1981-02-12 |
GB2056812A (en) | 1981-03-18 |
FR2463419A1 (en) | 1981-02-20 |
DE3010957C2 (en) | 1984-02-02 |
FR2463419B1 (en) | 1985-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE20 | Patent expired after termination of 20 years |
Effective date: 20000220 |