GB1252190A - - Google Patents
Info
- Publication number
- GB1252190A GB1252190A GB1252190DA GB1252190A GB 1252190 A GB1252190 A GB 1252190A GB 1252190D A GB1252190D A GB 1252190DA GB 1252190 A GB1252190 A GB 1252190A
- Authority
- GB
- United Kingdom
- Prior art keywords
- axis
- reflector
- sub
- radiator
- main
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/192—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with dual offset reflectors
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1112568 | 1968-02-23 | ||
JP4135468A JPS4811655B1 (it) | 1968-06-17 | 1968-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1252190A true GB1252190A (it) | 1971-11-03 |
Family
ID=26346521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1252190D Expired GB1252190A (it) | 1968-02-23 | 1969-02-21 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3562753A (it) |
DE (1) | DE1908793A1 (it) |
FR (1) | FR2002523A1 (it) |
GB (1) | GB1252190A (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2345222C3 (de) * | 1973-09-07 | 1981-05-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Reflektorantenne |
US3953858A (en) * | 1975-05-30 | 1976-04-27 | Bell Telephone Laboratories, Incorporated | Multiple beam microwave apparatus |
FR2385233A1 (fr) * | 1977-03-25 | 1978-10-20 | Thomson Csf | Structure d'antenne a reflecteurs et notamment a reflecteurs excentres, et equipements de detection electromagnetique et de telecommunications spatiales comportant une telle structure |
DE3244225A1 (de) * | 1982-11-30 | 1984-05-30 | Teldix Gmbh, 6900 Heidelberg | Anordnung zum positionieren von vorrichtungen wie antennen, solargeneratoren o.ae. |
US4574287A (en) * | 1983-03-04 | 1986-03-04 | The United States Of America As Represented By The Secretary Of The Navy | Fixed aperture, rotating feed, beam scanning antenna system |
US4743887A (en) * | 1983-11-07 | 1988-05-10 | Sanders Associates, Inc. | Fault locating system and method |
US4716416A (en) * | 1985-03-28 | 1987-12-29 | Satellite Technology Services, Inc. | Antenna dish reflector with integral declination adjustment |
US4692771A (en) * | 1985-03-28 | 1987-09-08 | Satellite Technology Services, Inc. | Antenna dish reflector with integral azimuth track |
DE3631735A1 (de) * | 1986-09-18 | 1988-04-07 | Messerschmitt Boelkow Blohm | Nachrichtenuebertragungseinrichtung fuer raumfahrzeuge |
ES2028922T3 (es) * | 1987-03-18 | 1992-07-16 | Siemens Aktiengesellschaft | Dispositivo de antena direccional de microondas de dos espejos. |
US5844527A (en) * | 1993-02-12 | 1998-12-01 | Furuno Electric Company, Limited | Radar antenna |
FR2713404B1 (fr) * | 1993-12-02 | 1996-01-05 | Alcatel Espace | Antenne orientale avec conservation des axes de polarisation. |
-
1969
- 1969-02-19 US US800636A patent/US3562753A/en not_active Expired - Lifetime
- 1969-02-21 GB GB1252190D patent/GB1252190A/en not_active Expired
- 1969-02-21 DE DE19691908793 patent/DE1908793A1/de active Pending
- 1969-02-21 FR FR6904542A patent/FR2002523A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1908793A1 (de) | 1969-09-04 |
FR2002523A1 (fr) | 1969-10-17 |
US3562753A (en) | 1971-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |