JPS496861A - - Google Patents
Info
- Publication number
- JPS496861A JPS496861A JP48030761A JP3076173A JPS496861A JP S496861 A JPS496861 A JP S496861A JP 48030761 A JP48030761 A JP 48030761A JP 3076173 A JP3076173 A JP 3076173A JP S496861 A JPS496861 A JP S496861A
- Authority
- JP
- Japan
- 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
- G01S3/02—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
- G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
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)
- Waveguide Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2212996A DE2212996C3 (de) | 1972-03-17 | 1972-03-17 | Einem beweglichen Sender nachfuhrbare Horn antenne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS496861A true JPS496861A (xx) | 1974-01-22 |
| JPS5617623B2 JPS5617623B2 (xx) | 1981-04-23 |
Family
ID=5839255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3076173A Expired JPS5617623B2 (xx) | 1972-03-17 | 1973-03-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3864683A (xx) |
| JP (1) | JPS5617623B2 (xx) |
| CA (1) | CA990833A (xx) |
| DE (1) | DE2212996C3 (xx) |
| FR (1) | FR2176840B1 (xx) |
| GB (1) | GB1412352A (xx) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4966366A (xx) * | 1972-09-15 | 1974-06-27 | ||
| JPS52146164U (xx) * | 1976-04-30 | 1977-11-05 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043654A (en) * | 1971-02-12 | 1977-08-23 | Xerox Corporation | Display system |
| DE2744841C3 (de) * | 1977-10-05 | 1980-08-21 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Sich exponentiell erweiternder Hornstrahler für eine Mikrowellenantenne |
| DE3020514A1 (de) * | 1980-05-30 | 1981-12-10 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Antennenspeisesystem fuer eine nachfuehrbare antenne |
| US4343005A (en) * | 1980-12-29 | 1982-08-03 | Ford Aerospace & Communications Corporation | Microwave antenna system having enhanced band width and reduced cross-polarization |
| DE3216708A1 (de) * | 1982-05-05 | 1984-02-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur gewinnung von antennennachfuehrsignalen |
| EP0128970B1 (de) * | 1983-06-18 | 1990-03-07 | ANT Nachrichtentechnik GmbH | Viertornetzwerk für Mikrowellenantennen mit Monopulsnachführung |
| US5216433A (en) * | 1991-11-15 | 1993-06-01 | Hughes Aircraft Company | Polarimetric antenna |
| US9640851B2 (en) * | 2014-05-26 | 2017-05-02 | The Board Of Trustees Of The Leland Stanford Junior University | RF waveguide phase-directed power combiners |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2931033A (en) * | 1955-07-19 | 1960-03-29 | Bell Telephone Labor Inc | Multi-mode automatic tracking antenna system |
-
1972
- 1972-03-17 DE DE2212996A patent/DE2212996C3/de not_active Expired
-
1973
- 1973-03-16 FR FR7309630A patent/FR2176840B1/fr not_active Expired
- 1973-03-16 JP JP3076173A patent/JPS5617623B2/ja not_active Expired
- 1973-03-16 CA CA166,235A patent/CA990833A/en not_active Expired
- 1973-03-19 GB GB1308373A patent/GB1412352A/en not_active Expired
- 1973-03-19 US US342427A patent/US3864683A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4966366A (xx) * | 1972-09-15 | 1974-06-27 | ||
| JPS5840121B2 (ja) * | 1972-09-15 | 1983-09-03 | フイニケ イタリア−ナ マルボス ソシエタ イン アコマンデイ−タ センプリ−チエ デイ マリオ ポサツチ エ カンパニア | ゲ−ジ |
| JPS52146164U (xx) * | 1976-04-30 | 1977-11-05 | ||
| JPS5635763Y2 (xx) * | 1976-04-30 | 1981-08-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1412352A (en) | 1975-11-05 |
| US3864683A (en) | 1975-02-04 |
| DE2212996C3 (de) | 1980-09-25 |
| DE2212996B2 (de) | 1980-01-31 |
| DE2212996A1 (de) | 1973-09-27 |
| JPS5617623B2 (xx) | 1981-04-23 |
| FR2176840B1 (xx) | 1980-04-30 |
| FR2176840A1 (xx) | 1973-11-02 |
| CA990833A (en) | 1976-06-08 |