FR2454190A1 - Antenne cassegrain montee dans un radome - Google Patents
Antenne cassegrain montee dans un radomeInfo
- Publication number
- FR2454190A1 FR2454190A1 FR7908966A FR7908966A FR2454190A1 FR 2454190 A1 FR2454190 A1 FR 2454190A1 FR 7908966 A FR7908966 A FR 7908966A FR 7908966 A FR7908966 A FR 7908966A FR 2454190 A1 FR2454190 A1 FR 2454190A1
- Authority
- FR
- France
- Prior art keywords
- radome
- antenna mounted
- antenna
- cassegrain antenna
- reflector
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/425—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising a metallic grid
-
- 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
- H01Q19/195—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 a reflecting surface acts also as a polarisation filter or a polarising device
Landscapes
- Aerials With Secondary Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908966A FR2454190A1 (fr) | 1979-04-09 | 1979-04-09 | Antenne cassegrain montee dans un radome |
| EP80400447A EP0017589A1 (fr) | 1979-04-09 | 1980-04-03 | Antenne cassegrain montée dans un radome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7908966A FR2454190A1 (fr) | 1979-04-09 | 1979-04-09 | Antenne cassegrain montee dans un radome |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2454190A1 true FR2454190A1 (fr) | 1980-11-07 |
| FR2454190B1 FR2454190B1 (enExample) | 1983-05-20 |
Family
ID=9224141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7908966A Granted FR2454190A1 (fr) | 1979-04-09 | 1979-04-09 | Antenne cassegrain montee dans un radome |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0017589A1 (enExample) |
| FR (1) | FR2454190A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6570540B2 (en) * | 2001-09-14 | 2003-05-27 | The Boeing Company | Reflector assembly for minimizing reflections of electromagnetic energy from an antenna disposed within a radome |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1584348A (enExample) * | 1968-07-16 | 1969-12-19 | ||
| US4070678A (en) * | 1976-04-02 | 1978-01-24 | Raytheon Company | Wide angle scanning antenna assembly |
| NL7809306A (nl) * | 1977-09-13 | 1979-03-15 | Marconi Co Ltd | Antennesystemen voor op de grond geplaatste radarappa- ratuur. |
-
1979
- 1979-04-09 FR FR7908966A patent/FR2454190A1/fr active Granted
-
1980
- 1980-04-03 EP EP80400447A patent/EP0017589A1/fr not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1584348A (enExample) * | 1968-07-16 | 1969-12-19 | ||
| US4070678A (en) * | 1976-04-02 | 1978-01-24 | Raytheon Company | Wide angle scanning antenna assembly |
| NL7809306A (nl) * | 1977-09-13 | 1979-03-15 | Marconi Co Ltd | Antennesystemen voor op de grond geplaatste radarappa- ratuur. |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0017589A1 (fr) | 1980-10-15 |
| FR2454190B1 (enExample) | 1983-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |