FR2518828B1 - - Google Patents

Info

Publication number
FR2518828B1
FR2518828B1 FR8123737A FR8123737A FR2518828B1 FR 2518828 B1 FR2518828 B1 FR 2518828B1 FR 8123737 A FR8123737 A FR 8123737A FR 8123737 A FR8123737 A FR 8123737A FR 2518828 B1 FR2518828 B1 FR 2518828B1
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
Application number
FR8123737A
Other languages
French (fr)
Other versions
FR2518828A1 (fr
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 FR8123737A priority Critical patent/FR2518828A1/fr
Publication of FR2518828A1 publication Critical patent/FR2518828A1/fr
Application granted granted Critical
Publication of FR2518828B1 publication Critical patent/FR2518828B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01Q15/0026—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 said selective devices having a stacked geometry or having multiple layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
FR8123737A 1981-12-18 1981-12-18 Filtre spatial de frequences et antenne comportant un tel filtre Granted FR2518828A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8123737A FR2518828A1 (fr) 1981-12-18 1981-12-18 Filtre spatial de frequences et antenne comportant un tel filtre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8123737A FR2518828A1 (fr) 1981-12-18 1981-12-18 Filtre spatial de frequences et antenne comportant un tel filtre

Publications (2)

Publication Number Publication Date
FR2518828A1 FR2518828A1 (fr) 1983-06-24
FR2518828B1 true FR2518828B1 (enrdf_load_stackoverflow) 1985-05-24

Family

ID=9265191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8123737A Granted FR2518828A1 (fr) 1981-12-18 1981-12-18 Filtre spatial de frequences et antenne comportant un tel filtre

Country Status (1)

Country Link
FR (1) FR2518828A1 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551921B1 (fr) * 1983-09-09 1986-02-21 Thomson Csf Procede permettant de reduire l'amplitude de l'energie hyperfrequence reflechie dans l'axe d'un aerien, radar et aerien de station de communication avec satellite utilisant un tel procede
DE3431986A1 (de) * 1984-08-30 1986-03-06 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Polarisationstrennender reflektor
FR2600941B1 (fr) * 1986-07-02 1988-08-26 Alcatel Thomson Faisceaux Support composite avec gravure metallique
US5364685A (en) * 1991-08-13 1994-11-15 Central Glass Company, Limited Laminated panel with low reflectance for radio waves
US5373302A (en) * 1992-06-24 1994-12-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Double-loop frequency selective surfaces for multi frequency division multiplexing in a dual reflector antenna
US5497169A (en) * 1993-07-15 1996-03-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Wide angle, single screen, gridded square-loop frequency selective surface for diplexing two closely separated frequency bands
US6208316B1 (en) * 1995-10-02 2001-03-27 Matra Marconi Space Uk Limited Frequency selective surface devices for separating multiple frequencies
ES2115532B1 (es) * 1996-04-25 1999-02-16 Const Aeronauticas Sa Elementos reflectantes embebidos en estructuras aeroespaciales para telecomunicaciones.
US6628242B1 (en) 2000-08-23 2003-09-30 Innovative Technology Licensing, Llc High impedence structures for multifrequency antennas and waveguides
CN114512816B (zh) * 2022-03-01 2023-04-18 电子科技大学 一种高效率反射式太赫兹波束偏折器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1114607A (fr) * 1954-11-18 1956-04-16 Csf Antenne fonctionnant simultanément dans deux bandes de fréqueuces tlifférentes
US3148370A (en) * 1962-05-08 1964-09-08 Ite Circuit Breaker Ltd Frequency selective mesh with controllable mesh tuning
US3633206A (en) * 1967-01-30 1972-01-04 Edward Bellamy Mcmillan Lattice aperture antenna
JPS5119742B1 (enrdf_load_stackoverflow) * 1970-10-17 1976-06-19
US4017865A (en) * 1975-11-10 1977-04-12 Rca Corporation Frequency selective reflector system

Also Published As

Publication number Publication date
FR2518828A1 (fr) 1983-06-24

Similar Documents

Publication Publication Date Title
FR2499026B1 (enrdf_load_stackoverflow)
CH655529B (enrdf_load_stackoverflow)
FR2501665B1 (enrdf_load_stackoverflow)
CH655571B (enrdf_load_stackoverflow)
DE3280378D1 (enrdf_load_stackoverflow)
FR2500635B1 (enrdf_load_stackoverflow)
FR2501549B3 (enrdf_load_stackoverflow)
FR2500908B1 (enrdf_load_stackoverflow)
FR2500360B3 (enrdf_load_stackoverflow)
FR2500521B1 (enrdf_load_stackoverflow)
FR2499243B1 (enrdf_load_stackoverflow)
FR2500350B1 (enrdf_load_stackoverflow)
FR2498380B1 (enrdf_load_stackoverflow)
FR2498372B1 (enrdf_load_stackoverflow)
DK234183D0 (enrdf_load_stackoverflow)
FR2500988B1 (enrdf_load_stackoverflow)
FR2498269B1 (enrdf_load_stackoverflow)
FR2500581B1 (enrdf_load_stackoverflow)
FR2501634B3 (enrdf_load_stackoverflow)
CH669300GA3 (enrdf_load_stackoverflow)
FR2499442B1 (enrdf_load_stackoverflow)
FR2500454B1 (enrdf_load_stackoverflow)
CH655597B (enrdf_load_stackoverflow)
FR2500367B3 (enrdf_load_stackoverflow)
FR2499664B1 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse