FR2281660A1 - Dispositif muni d'une grille de filtrage - Google Patents
Dispositif muni d'une grille de filtrageInfo
- Publication number
- FR2281660A1 FR2281660A1 FR7427766A FR7427766A FR2281660A1 FR 2281660 A1 FR2281660 A1 FR 2281660A1 FR 7427766 A FR7427766 A FR 7427766A FR 7427766 A FR7427766 A FR 7427766A FR 2281660 A1 FR2281660 A1 FR 2281660A1
- Authority
- FR
- France
- Prior art keywords
- grid
- band
- mirrors
- beams
- resultant beam
- 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
- 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
-
- 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
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0033—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective used for beam splitting or combining, e.g. acting as a quasi-optical multiplexer
Landscapes
- Aerials With Secondary Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7427766A FR2281660A1 (fr) | 1974-08-09 | 1974-08-09 | Dispositif muni d'une grille de filtrage |
GB3324975A GB1512681A (en) | 1974-08-09 | 1975-08-08 | Arrangement comprising an electromagnetic wave filtering grid |
IT5087175A IT1041177B (it) | 1974-08-09 | 1975-08-08 | Dispositvio munito di griglia di filtraggio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7427766A FR2281660A1 (fr) | 1974-08-09 | 1974-08-09 | Dispositif muni d'une grille de filtrage |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2281660A1 true FR2281660A1 (fr) | 1976-03-05 |
FR2281660B1 FR2281660B1 (fr) | 1978-01-27 |
Family
ID=9142312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7427766A Granted FR2281660A1 (fr) | 1974-08-09 | 1974-08-09 | Dispositif muni d'une grille de filtrage |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2281660A1 (fr) |
GB (1) | GB1512681A (fr) |
IT (1) | IT1041177B (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006391A1 (fr) * | 1978-06-20 | 1980-01-09 | Thomson-Csf | Système d'alimentation périscopique pour antenne bi-gamme |
FR2525823A1 (fr) * | 1982-04-27 | 1983-10-28 | Thomson Csf | Dispositif d'excitation d'une source rainuree hyperfrequence bi-bande |
FR2535904A1 (fr) * | 1982-11-09 | 1984-05-11 | Thomson Csf | Joint tournant de puissance pour antenne double bande |
FR2540296A1 (fr) * | 1983-01-31 | 1984-08-03 | Thomson Csf | Filtre spatial d'ondes electromagnetiques de polarisation circulaire et antenne cassegrain comportant un tel filtre |
FR2569906A1 (fr) * | 1984-08-30 | 1986-03-07 | Messerschmitt Boelkow Blohm | Reflecteur pour antenne a micro-ondes, muni d'une structure de grille a polarisation selective |
US4851858A (en) * | 1984-01-26 | 1989-07-25 | Messerschmitt-Boelkow-Blohm Gmbh | Reflector antenna for operation in more than one frequency band |
WO2022053160A1 (fr) * | 2020-09-14 | 2022-03-17 | Huawei Technologies Co., Ltd. | Appareil d'alimentation en deux ondes radio dans un réflecteur décalé |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1198811A (fr) * | 1981-02-09 | 1985-12-31 | Susumu Tamagawa | Antenne comprenant un separateur de frequences a transmission a large bande ou a caracteristiques de reflexion |
CN103746187B (zh) * | 2013-12-23 | 2015-09-23 | 北京邮电大学 | 一种卡塞格伦天线探测系统及其设计方法 |
-
1974
- 1974-08-09 FR FR7427766A patent/FR2281660A1/fr active Granted
-
1975
- 1975-08-08 IT IT5087175A patent/IT1041177B/it active
- 1975-08-08 GB GB3324975A patent/GB1512681A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0006391A1 (fr) * | 1978-06-20 | 1980-01-09 | Thomson-Csf | Système d'alimentation périscopique pour antenne bi-gamme |
FR2429505A1 (fr) * | 1978-06-20 | 1980-01-18 | Thomson Csf | Systeme d'alimentation periscopique pour antenne bi-gamme |
US4573054A (en) * | 1982-04-27 | 1986-02-25 | Thomson-Csf | Excitation device for a dual band ultra-high frequency corrugated source of revolution |
EP0093058A1 (fr) * | 1982-04-27 | 1983-11-02 | Thomson-Csf | Dispositif d'excitation d'une source de révolution rainurée hyperfréquence bi-bande |
FR2525823A1 (fr) * | 1982-04-27 | 1983-10-28 | Thomson Csf | Dispositif d'excitation d'une source rainuree hyperfrequence bi-bande |
FR2535904A1 (fr) * | 1982-11-09 | 1984-05-11 | Thomson Csf | Joint tournant de puissance pour antenne double bande |
EP0108693A1 (fr) * | 1982-11-09 | 1984-05-16 | Thomson-Csf | Joint tournant de puissance pour antenne double-bande |
FR2540296A1 (fr) * | 1983-01-31 | 1984-08-03 | Thomson Csf | Filtre spatial d'ondes electromagnetiques de polarisation circulaire et antenne cassegrain comportant un tel filtre |
EP0115983A2 (fr) * | 1983-01-31 | 1984-08-15 | Thomson-Csf | Filtre spatial d'ondes électromagnétiques de polarisation circulaire, et antenne Cassegrain comportant un tel filtre |
EP0115983A3 (fr) * | 1983-01-31 | 1984-12-27 | Thomson-Csf | Filtre spatial d'ondes électromagnétiques de polarisation circulaire, et antenne Cassegrain comportant un tel filtre |
US4652891A (en) * | 1983-01-31 | 1987-03-24 | Thomson-Csf | Electromagnetic wave spatial filter with circular polarization |
US4851858A (en) * | 1984-01-26 | 1989-07-25 | Messerschmitt-Boelkow-Blohm Gmbh | Reflector antenna for operation in more than one frequency band |
FR2569906A1 (fr) * | 1984-08-30 | 1986-03-07 | Messerschmitt Boelkow Blohm | Reflecteur pour antenne a micro-ondes, muni d'une structure de grille a polarisation selective |
WO2022053160A1 (fr) * | 2020-09-14 | 2022-03-17 | Huawei Technologies Co., Ltd. | Appareil d'alimentation en deux ondes radio dans un réflecteur décalé |
Also Published As
Publication number | Publication date |
---|---|
FR2281660B1 (fr) | 1978-01-27 |
GB1512681A (en) | 1978-06-01 |
IT1041177B (it) | 1980-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |