FR2094116B1 - - Google Patents
Info
- Publication number
- FR2094116B1 FR2094116B1 FR7120730A FR7120730A FR2094116B1 FR 2094116 B1 FR2094116 B1 FR 2094116B1 FR 7120730 A FR7120730 A FR 7120730A FR 7120730 A FR7120730 A FR 7120730A FR 2094116 B1 FR2094116 B1 FR 2094116B1
- Authority
- FR
- France
- 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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4445070A | 1970-06-08 | 1970-06-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2094116A1 FR2094116A1 (xx) | 1972-02-04 |
| FR2094116B1 true FR2094116B1 (xx) | 1976-09-03 |
Family
ID=21932454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7120730A Expired FR2094116B1 (xx) | 1970-06-08 | 1971-06-08 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS576281B1 (xx) |
| CA (1) | CA930042A (xx) |
| DE (1) | DE2127518A1 (xx) |
| FR (1) | FR2094116B1 (xx) |
| GB (1) | GB1342677A (xx) |
| NL (1) | NL7107799A (xx) |
| SE (1) | SE377232B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2952317C2 (de) * | 1979-12-24 | 1984-03-08 | Siemens AG, 1000 Berlin und 8000 München | Auf einen geostationären Erdsatelliten positionsnachführbare Antenne für Erdefunkstellen |
| JPS6084075U (ja) * | 1983-11-11 | 1985-06-10 | パイオニア株式会社 | 印刷配線接続帯 |
| US9766345B2 (en) * | 2013-10-04 | 2017-09-19 | Qualcomm Incorporated | Low cost cableless ground station antenna for medium earth orbit satellite communication systems |
| KR20170129795A (ko) | 2015-04-03 | 2017-11-27 | 퀄컴 인코포레이티드 | 지구 중간 궤도 위성 통신 시스템들을 위한 저비용 무전선 지상 스테이션 안테나 |
| CN111273282B (zh) * | 2020-02-20 | 2023-04-14 | 西安爱生技术集团公司 | 一种无人机机载雷达地面扫描覆盖区域计算方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3317912A (en) * | 1963-07-29 | 1967-05-02 | Kenneth S Kelleher | Plural concentric parabolic antenna for omnidirectional coverage |
-
1971
- 1971-06-03 JP JP3898271A patent/JPS576281B1/ja active Pending
- 1971-06-03 DE DE19712127518 patent/DE2127518A1/de not_active Ceased
- 1971-06-04 SE SE729171A patent/SE377232B/xx unknown
- 1971-06-07 CA CA114976A patent/CA930042A/en not_active Expired
- 1971-06-07 NL NL7107799A patent/NL7107799A/xx not_active Application Discontinuation
- 1971-06-08 FR FR7120730A patent/FR2094116B1/fr not_active Expired
- 1971-06-08 GB GB1944871A patent/GB1342677A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE377232B (xx) | 1975-06-23 |
| GB1342677A (en) | 1974-01-03 |
| NL7107799A (xx) | 1971-12-10 |
| DE2127518A1 (de) | 1971-12-16 |
| FR2094116A1 (xx) | 1972-02-04 |
| JPS576281B1 (xx) | 1982-02-04 |
| CA930042A (en) | 1973-07-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |