NL7206224A - - Google Patents
Info
- Publication number
- NL7206224A NL7206224A NL7206224A NL7206224A NL7206224A NL 7206224 A NL7206224 A NL 7206224A NL 7206224 A NL7206224 A NL 7206224A NL 7206224 A NL7206224 A NL 7206224A NL 7206224 A NL7206224 A NL 7206224A
- Authority
- NL
- Netherlands
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)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO1732/71A NO131561C (xx) | 1971-05-07 | 1971-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7206224A true NL7206224A (xx) | 1972-11-09 |
Family
ID=19878398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7206224A NL7206224A (xx) | 1971-05-07 | 1972-05-08 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3778834A (xx) |
| DE (1) | DE2220778A1 (xx) |
| FR (1) | FR2137605B1 (xx) |
| GB (1) | GB1379686A (xx) |
| NL (1) | NL7206224A (xx) |
| NO (1) | NO131561C (xx) |
| ZA (1) | ZA722859B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4158843A (en) * | 1978-01-23 | 1979-06-19 | The Bendix Corporation | Automatic direction finder antenna preamplifier processor |
| US5678219A (en) * | 1991-03-29 | 1997-10-14 | E-Systems, Inc. | Integrated electronic warfare antenna receiver |
| US10581176B2 (en) * | 2016-05-10 | 2020-03-03 | Rochester Institute Of Technology | Thin-film sensor antenna |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE462410A (xx) * | 1944-02-26 | |||
| US2473491A (en) * | 1944-02-26 | 1949-06-14 | Hartford Nat Bank & Trust Co | Direction finding device |
| US2607034A (en) * | 1946-04-29 | 1952-08-12 | Maxwell K Goldstein | Signal generator system |
| BE506776A (xx) * | 1950-10-30 | |||
| US3028600A (en) * | 1959-03-17 | 1962-04-03 | Albert D Bailey | Radio direction finding system |
-
1971
- 1971-05-07 NO NO1732/71A patent/NO131561C/no unknown
-
1972
- 1972-04-25 GB GB1914372A patent/GB1379686A/en not_active Expired
- 1972-04-27 DE DE19722220778 patent/DE2220778A1/de active Pending
- 1972-04-28 ZA ZA722859A patent/ZA722859B/xx unknown
- 1972-05-04 US US00250274A patent/US3778834A/en not_active Expired - Lifetime
- 1972-05-08 NL NL7206224A patent/NL7206224A/xx unknown
- 1972-05-08 FR FR7216322A patent/FR2137605B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2137605B1 (xx) | 1977-08-26 |
| US3778834A (en) | 1973-12-11 |
| GB1379686A (en) | 1975-01-08 |
| ZA722859B (en) | 1973-03-28 |
| FR2137605A1 (xx) | 1972-12-29 |
| NO131561B (xx) | 1975-03-10 |
| DE2220778A1 (de) | 1972-11-30 |
| NO131561C (xx) | 1975-06-18 |