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 (de) |
CA (1) | CA1076696A (de) |
DE (1) | DE2722373C3 (de) |
FR (1) | FR2352412A1 (de) |
GB (1) | GB1565870A (de) |
IT (1) | IT1085084B (de) |
PT (1) | PT66560B (de) |
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 (de) * | 1982-03-16 | 1984-02-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Exzentrische parabolantenne mit geringer kreuzpolarisation |
DE3330284A1 (de) * | 1983-08-22 | 1985-03-21 | Siemens AG, 1000 Berlin und 8000 München | Nach dem cassegrain-prinzip arbeitende satellitenfunk-bodenstationsantennenanordnung |
DE3400736A1 (de) * | 1984-01-11 | 1985-07-18 | Siemens AG, 1000 Berlin und 8000 München | Nach dem cassegrain-prinzip arbeitende satellitenfunk-bodenstationsantennenanordnung |
DE3400729A1 (de) * | 1984-01-11 | 1985-07-18 | Siemens AG, 1000 Berlin und 8000 München | Schwenkbare cassegrain-antenne |
FR2589284B1 (fr) * | 1985-10-28 | 1988-05-20 | Alcatel Espace | Antenne multireflecteurs rayonnant un faisceau orientable avec un grand debattement |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5211871B2 (de) * | 1971-11-17 | 1977-04-02 | ||
US3821746A (en) * | 1971-11-17 | 1974-06-28 | Mitsubishi Electric Corp | Antenna system with distortion compensating reflectors |
JPS4891950A (de) * | 1972-03-08 | 1973-11-29 | ||
JPS5739081B2 (de) * | 1973-03-16 | 1982-08-19 |
-
1976
- 1976-05-18 JP JP5750376A patent/JPS52140254A/ja active Pending
-
1977
- 1977-05-17 PT PT6656077A patent/PT66560B/pt unknown
- 1977-05-17 CA CA278,620A patent/CA1076696A/en not_active Expired
- 1977-05-17 DE DE19772722373 patent/DE2722373C3/de not_active Expired
- 1977-05-17 GB GB2073577A patent/GB1565870A/en not_active Expired
- 1977-05-18 FR FR7715310A patent/FR2352412A1/fr active Granted
- 1977-05-18 IT IT2370677A patent/IT1085084B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1565870A (en) | 1980-04-23 |
FR2352412A1 (fr) | 1977-12-16 |
PT66560A (en) | 1977-06-01 |
JPS52140254A (en) | 1977-11-22 |
CA1076696A (en) | 1980-04-29 |
IT1085084B (it) | 1985-05-28 |
DE2722373C3 (de) | 1984-06-14 |
FR2352412B1 (de) | 1981-10-23 |
DE2722373A1 (de) | 1977-12-01 |
DE2722373B2 (de) | 1980-08-07 |
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