JPS5232959B2 - - Google Patents
Info
- Publication number
- JPS5232959B2 JPS5232959B2 JP48101756A JP10175673A JPS5232959B2 JP S5232959 B2 JPS5232959 B2 JP S5232959B2 JP 48101756 A JP48101756 A JP 48101756A JP 10175673 A JP10175673 A JP 10175673A JP S5232959 B2 JPS5232959 B2 JP S5232959B2
- 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.)
- 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
- G01S3/146—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)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00287708A US3815136A (en) | 1972-09-11 | 1972-09-11 | Coaxial tracking signal coupler for antenna feed horn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4966053A JPS4966053A (en:Method) | 1974-06-26 |
| JPS5232959B2 true JPS5232959B2 (en:Method) | 1977-08-25 |
Family
ID=23104002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48101756A Expired JPS5232959B2 (en:Method) | 1972-09-11 | 1973-09-11 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3815136A (en:Method) |
| JP (1) | JPS5232959B2 (en:Method) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955202A (en) * | 1975-04-15 | 1976-05-04 | Macrowave Development Laboratories, Inc. | Circularly polarized wave launcher |
| DE8236112U1 (de) * | 1982-12-22 | 1986-04-10 | Siemens AG, 1000 Berlin und 8000 München | Wellentypenweiche |
| EP0128970B1 (de) * | 1983-06-18 | 1990-03-07 | ANT Nachrichtentechnik GmbH | Viertornetzwerk für Mikrowellenantennen mit Monopulsnachführung |
| JPS6333206U (en:Method) * | 1986-08-21 | 1988-03-03 | ||
| JPS63245844A (ja) * | 1987-03-31 | 1988-10-12 | Toshiba Corp | ジヤイロトロン |
| US5255003B1 (en) * | 1987-10-02 | 1995-05-16 | Antenna Downlink Inc | Multiple-frequency microwave feed assembly |
| US5109232A (en) * | 1990-02-20 | 1992-04-28 | Andrew Corporation | Dual frequency antenna feed with apertured channel |
| US6717553B2 (en) * | 2001-05-11 | 2004-04-06 | Alps Electric Co., Ltd. | Primary radiator having excellent assembly workability |
| US20060125706A1 (en) * | 2004-12-14 | 2006-06-15 | Eric Amyotte | High performance multimode horn for communications and tracking |
| DE102008048582A1 (de) * | 2008-09-23 | 2010-03-25 | Endress + Hauser Gmbh + Co. Kg | Mit Mikrowellen arbeitendes Füllstandsmessgerät |
| US10218076B1 (en) * | 2018-09-10 | 2019-02-26 | The Florida International University Board Of Trustees | Hexagonal waveguide based circularly polarized horn antennas |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3259899A (en) * | 1963-12-24 | 1966-07-05 | Bell Telephone Labor Inc | Nondegenerate multimode tracking system |
| US3566309A (en) * | 1969-02-24 | 1971-02-23 | Hughes Aircraft Co | Dual frequency band,polarization diverse tracking feed system for a horn antenna |
| US3568204A (en) * | 1969-04-29 | 1971-03-02 | Sylvania Electric Prod | Multimode antenna feed system having a plurality of tracking elements mounted symmetrically about the inner walls and at the aperture end of a scalar horn |
| US3665481A (en) * | 1970-05-12 | 1972-05-23 | Nasa | Multi-purpose antenna employing dish reflector with plural coaxial horn feeds |
-
1972
- 1972-09-11 US US00287708A patent/US3815136A/en not_active Expired - Lifetime
-
1973
- 1973-09-11 JP JP48101756A patent/JPS5232959B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4966053A (en:Method) | 1974-06-26 |
| US3815136A (en) | 1974-06-04 |