FR2281660A1 - Dispositif muni d'une grille de filtrage - Google Patents

Dispositif muni d'une grille de filtrage

Info

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
Application number
FR7427766A
Other languages
English (en)
Other versions
FR2281660B1 (fr
Inventor
Nhu Bui-Hai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7427766A priority Critical patent/FR2281660A1/fr
Priority to GB3324975A priority patent/GB1512681A/en
Priority to IT5087175A priority patent/IT1041177B/it
Publication of FR2281660A1 publication Critical patent/FR2281660A1/fr
Application granted granted Critical
Publication of FR2281660B1 publication Critical patent/FR2281660B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • H01Q19/18Combinations 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
    • H01Q19/19Combinations 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
    • H01Q19/191Combinations 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013Devices 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
    • H01Q15/0033Devices 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)
FR7427766A 1974-08-09 1974-08-09 Dispositif muni d'une grille de filtrage Granted FR2281660A1 (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (14)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
US3898667A (en) Compact frequency reuse antenna
US4342036A (en) Multiple frequency band, multiple beam microwave antenna system
GB1370669A (en) Antennae
GB1496032A (en) Antennae
GB663166A (en) Improvements in or relating to antenna
GB1184851A (en) Improvements in Electromagnetic Horn Antennae
GB1378114A (en) Antenna system
FR2281660A1 (fr) Dispositif muni d'une grille de filtrage
US4260993A (en) Dual-band antenna with periscopic supply system
US3332083A (en) Cassegrain antenna with offset feed
US2870444A (en) Radiating systems
GB1425142A (en) Antenna system for radiating multiple planar beams
JPS57178402A (en) Multireflex mirror antenna
US3710341A (en) Gregorian antenna with ring focus
US2556087A (en) Directive antenna system
GB1268341A (en) Improvements in parabolic antennas
GB1017240A (en) Improvements in or relating to radio frequency antenna systems
US3706999A (en) Cassegraninian antenna having limited spillover energy
GB1517544A (en) Antenna system for use as side-lobe control means
JPS5773506A (en) Common antenna for multifrequency band
GB1488590A (en) Antenna with a beam of variable aperture for operation in the millimetre waveband
US3911440A (en) Antenna feed system
GB976253A (en) Improvements in or relating to aerial systems
GB1342677A (en) Conical torus antenna
GB1004049A (en) Improvements in or relating to antenna arrangements

Legal Events

Date Code Title Description
ST Notification of lapse