FR2061510A1 - - Google Patents

Info

Publication number
FR2061510A1
FR2061510A1 FR6905333A FR6905333A FR2061510A1 FR 2061510 A1 FR2061510 A1 FR 2061510A1 FR 6905333 A FR6905333 A FR 6905333A FR 6905333 A FR6905333 A FR 6905333A FR 2061510 A1 FR2061510 A1 FR 2061510A1
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.)
Granted
Application number
FR6905333A
Other languages
French (fr)
Other versions
FR2061510B1 (enExample
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 FR6905333A priority Critical patent/FR2061510B1/fr
Publication of FR2061510A1 publication Critical patent/FR2061510A1/fr
Application granted granted Critical
Publication of FR2061510B1 publication Critical patent/FR2061510B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
    • 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
FR6905333A 1969-02-28 1969-02-28 Expired FR2061510B1 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6905333A FR2061510B1 (enExample) 1969-02-28 1969-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6905333A FR2061510B1 (enExample) 1969-02-28 1969-02-28

Publications (2)

Publication Number Publication Date
FR2061510A1 true FR2061510A1 (enExample) 1971-06-25
FR2061510B1 FR2061510B1 (enExample) 1973-12-21

Family

ID=9029790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6905333A Expired FR2061510B1 (enExample) 1969-02-28 1969-02-28

Country Status (1)

Country Link
FR (1) FR2061510B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1107577A (fr) * 1953-06-17 1956-01-03 Marconi Wireless Telegraph Co Perfectionnements aux systèmes d'antennes directives

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1107577A (fr) * 1953-06-17 1956-01-03 Marconi Wireless Telegraph Co Perfectionnements aux systèmes d'antennes directives

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Also Published As

Publication number Publication date
FR2061510B1 (enExample) 1973-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse