PT66560B - Aerial system - Google Patents
Aerial systemInfo
- Publication number
- PT66560B PT66560B PT6656077A PT6656077A PT66560B PT 66560 B PT66560 B PT 66560B PT 6656077 A PT6656077 A PT 6656077A PT 6656077 A PT6656077 A PT 6656077A PT 66560 B PT66560 B PT 66560B
- Authority
- PT
- Portugal
- Prior art keywords
- aerial system
- aerial
- Prior art date
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
- H01Q19/191—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 wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5750376A JPS52140254A (en) | 1976-05-18 | 1976-05-18 | Antenna unit |
Publications (2)
Publication Number | Publication Date |
---|---|
PT66560A PT66560A (en) | 1977-06-01 |
PT66560B true PT66560B (en) | 1978-10-18 |
Family
ID=13057519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT6656077A PT66560B (en) | 1976-05-18 | 1977-05-17 | Aerial system |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS52140254A (en) |
CA (1) | CA1076696A (en) |
DE (1) | DE2722373C3 (en) |
FR (1) | FR2352412A1 (en) |
GB (1) | GB1565870A (en) |
IT (1) | IT1085084B (en) |
PT (1) | PT66560B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5744302A (en) * | 1980-08-28 | 1982-03-12 | Mitsubishi Electric Corp | Antenna device |
JPS57178402A (en) * | 1981-04-27 | 1982-11-02 | Kokusai Denshin Denwa Co Ltd <Kdd> | Multireflex mirror antenna |
DE3209513A1 (en) * | 1982-03-16 | 1984-02-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Eccentric Parabolic Antenna with Low Cross Polarization |
DE3330284A1 (en) * | 1983-08-22 | 1985-03-21 | Siemens AG, 1000 Berlin und 8000 München | Satellite-radio ground-station antenna arrangement operating on the Cassegrain principle |
DE3400729A1 (en) * | 1984-01-11 | 1985-07-18 | Siemens AG, 1000 Berlin und 8000 München | Cassegrain antenna which can be pivoted |
DE3400736A1 (en) * | 1984-01-11 | 1985-07-18 | Siemens AG, 1000 Berlin und 8000 München | Satellite radio ground station antenna arrangement operating on the Cassegrain principle |
FR2589284B1 (en) * | 1985-10-28 | 1988-05-20 | Alcatel Espace | MULTI-REFLECTOR ANTENNA RADIATING A STEERABLE BEAM WITH A LARGE TRAVEL |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211871B2 (en) * | 1971-11-17 | 1977-04-02 | ||
US3821746A (en) * | 1971-11-17 | 1974-06-28 | Mitsubishi Electric Corp | Antenna system with distortion compensating reflectors |
JPS4891950A (en) * | 1972-03-08 | 1973-11-29 | ||
JPS5739081B2 (en) * | 1973-03-16 | 1982-08-19 |
-
1976
- 1976-05-18 JP JP5750376A patent/JPS52140254A/en active Pending
-
1977
- 1977-05-17 GB GB2073577A patent/GB1565870A/en not_active Expired
- 1977-05-17 DE DE19772722373 patent/DE2722373C3/en not_active Expired
- 1977-05-17 PT PT6656077A patent/PT66560B/en unknown
- 1977-05-17 CA CA278,620A patent/CA1076696A/en not_active Expired
- 1977-05-18 IT IT2370677A patent/IT1085084B/en active
- 1977-05-18 FR FR7715310A patent/FR2352412A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2352412B1 (en) | 1981-10-23 |
PT66560A (en) | 1977-06-01 |
IT1085084B (en) | 1985-05-28 |
DE2722373A1 (en) | 1977-12-01 |
JPS52140254A (en) | 1977-11-22 |
FR2352412A1 (en) | 1977-12-16 |
DE2722373C3 (en) | 1984-06-14 |
DE2722373B2 (en) | 1980-08-07 |
GB1565870A (en) | 1980-04-23 |
CA1076696A (en) | 1980-04-29 |
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