EP0015804A3 - Dispositif polariseur et antenne microonde comportant un tel dispositif - Google Patents

Dispositif polariseur et antenne microonde comportant un tel dispositif Download PDF

Info

Publication number
EP0015804A3
EP0015804A3 EP80400234A EP80400234A EP0015804A3 EP 0015804 A3 EP0015804 A3 EP 0015804A3 EP 80400234 A EP80400234 A EP 80400234A EP 80400234 A EP80400234 A EP 80400234A EP 0015804 A3 EP0015804 A3 EP 0015804A3
Authority
EP
European Patent Office
Prior art keywords
microwave antenna
same
polarizing device
polarization
practiced
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.)
Withdrawn
Application number
EP80400234A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0015804A2 (fr
Inventor
Pierre Crochet
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
Publication of EP0015804A2 publication Critical patent/EP0015804A2/fr
Publication of EP0015804A3 publication Critical patent/EP0015804A3/fr
Withdrawn legal-status Critical Current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
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H01Q15/246—Polarisation converters rotating the plane of polarisation of a linear polarised wave
    • H01Q15/248—Polarisation converters rotating the plane of polarisation of a linear polarised wave using a reflecting surface, e.g. twist reflector
    • 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)
EP80400234A 1979-03-02 1980-02-19 Dispositif polariseur et antenne microonde comportant un tel dispositif Withdrawn EP0015804A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7905499 1979-03-02
FR7905499A FR2450509A1 (fr) 1979-03-02 1979-03-02 Dispositif polariseur pour antenne microonde

Publications (2)

Publication Number Publication Date
EP0015804A2 EP0015804A2 (fr) 1980-09-17
EP0015804A3 true EP0015804A3 (fr) 1980-10-01

Family

ID=9222701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400234A Withdrawn EP0015804A3 (fr) 1979-03-02 1980-02-19 Dispositif polariseur et antenne microonde comportant un tel dispositif

Country Status (3)

Country Link
US (1) US4298876A (enrdf_load_stackoverflow)
EP (1) EP0015804A3 (enrdf_load_stackoverflow)
FR (1) FR2450509A1 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL66327A0 (enrdf_load_stackoverflow) * 1982-07-15 1982-11-30
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
DE3431986A1 (de) * 1984-08-30 1986-03-06 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Polarisationstrennender reflektor
GB9115970D0 (en) * 1991-07-24 1999-08-11 Secr Defence Brit Frequency selective radar absorbent structure
US5883602A (en) * 1996-06-05 1999-03-16 Apti, Inc. Wideband flat short foci lens antenna
US7038632B2 (en) * 2001-09-14 2006-05-02 Andrew Corporation Co-located multi-band antenna
JP5731745B2 (ja) * 2009-10-30 2015-06-10 古野電気株式会社 アンテナ装置およびレーダ装置
US8970424B2 (en) * 2012-10-24 2015-03-03 Rosemount Tank Radar Ab Radar level gauge system with reduced antenna reflection
US10720714B1 (en) * 2013-03-04 2020-07-21 Ethertronics, Inc. Beam shaping techniques for wideband antenna

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB600433A (en) * 1945-10-31 1948-04-08 Henry George Booker Improvements in or relating to wireless aerials
US3137000A (en) * 1959-08-10 1964-06-09 Gen Electric Co Ltd Quarter-wave reflecting plate with support core of resin-impregnated paper honeycomb
US3448455A (en) * 1964-03-20 1969-06-03 Thomson Houston Comp Francaise Armoured structure antenna
US3633206A (en) * 1967-01-30 1972-01-04 Edward Bellamy Mcmillan Lattice aperture antenna
US3990080A (en) * 1975-07-21 1976-11-02 Bell Telephone Laboratories, Incorporated Antenna with echo cancelling elements
FR2349968A1 (fr) * 1976-04-27 1977-11-25 Thomson Csf Guide d'ondes a acces lateral et multiplexeur-demultiplexeur muni d'un tel guide
US4125841A (en) * 1977-05-17 1978-11-14 Ohio State University Research Foundation Space filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092834A (en) * 1958-12-23 1963-06-04 Canoga Electronics Corp Split parabolic radar antenna utilizing means to discriminate against crosspolarized energy
US3340535A (en) * 1964-06-16 1967-09-05 Textron Inc Circular polarization cassegrain antenna
GB1330175A (en) * 1970-08-04 1973-09-12 Elliott Brothers London Ltd Radio aerials
SE356641B (enrdf_load_stackoverflow) * 1972-04-24 1973-05-28 Ericsson Telefon Ab L M
US4070678A (en) * 1976-04-02 1978-01-24 Raytheon Company Wide angle scanning antenna assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB600433A (en) * 1945-10-31 1948-04-08 Henry George Booker Improvements in or relating to wireless aerials
US3137000A (en) * 1959-08-10 1964-06-09 Gen Electric Co Ltd Quarter-wave reflecting plate with support core of resin-impregnated paper honeycomb
US3448455A (en) * 1964-03-20 1969-06-03 Thomson Houston Comp Francaise Armoured structure antenna
US3633206A (en) * 1967-01-30 1972-01-04 Edward Bellamy Mcmillan Lattice aperture antenna
US3990080A (en) * 1975-07-21 1976-11-02 Bell Telephone Laboratories, Incorporated Antenna with echo cancelling elements
FR2349968A1 (fr) * 1976-04-27 1977-11-25 Thomson Csf Guide d'ondes a acces lateral et multiplexeur-demultiplexeur muni d'un tel guide
US4125841A (en) * 1977-05-17 1978-11-14 Ohio State University Research Foundation Space filter

Also Published As

Publication number Publication date
FR2450509A1 (fr) 1980-09-26
US4298876A (en) 1981-11-03
EP0015804A2 (fr) 1980-09-17
FR2450509B1 (enrdf_load_stackoverflow) 1983-05-13

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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PUAL Search report despatched

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AK Designated contracting states

Designated state(s): DE GB IT NL

AK Designated contracting states

Designated state(s): DE GB IT NL

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Effective date: 19801010

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Withdrawal date: 19821201

RIN1 Information on inventor provided before grant (corrected)

Inventor name: CROCHET, PIERRE