FR1375845A - Perfectionnements aux antennes de radar - Google Patents

Perfectionnements aux antennes de radar

Info

Publication number
FR1375845A
FR1375845A FR945303A FR945303A FR1375845A FR 1375845 A FR1375845 A FR 1375845A FR 945303 A FR945303 A FR 945303A FR 945303 A FR945303 A FR 945303A FR 1375845 A FR1375845 A FR 1375845A
Authority
FR
France
Prior art keywords
radar antenna
antenna improvements
radar
antenna
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.)
Expired
Application number
FR945303A
Other languages
English (en)
Inventor
Roger Alfandari
Bernard Daveau
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR945303A priority Critical patent/FR1375845A/fr
Application granted granted Critical
Publication of FR1375845A publication Critical patent/FR1375845A/fr
Expired legal-status Critical Current

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
    • H01Q19/12—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 wherein the surfaces are concave
    • H01Q19/17—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 wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/18—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
FR945303A 1963-08-21 1963-08-21 Perfectionnements aux antennes de radar Expired FR1375845A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR945303A FR1375845A (fr) 1963-08-21 1963-08-21 Perfectionnements aux antennes de radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR945303A FR1375845A (fr) 1963-08-21 1963-08-21 Perfectionnements aux antennes de radar

Publications (1)

Publication Number Publication Date
FR1375845A true FR1375845A (fr) 1964-10-23

Family

ID=8810928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945303A Expired FR1375845A (fr) 1963-08-21 1963-08-21 Perfectionnements aux antennes de radar

Country Status (1)

Country Link
FR (1) FR1375845A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603690A1 (fr) * 1992-12-22 1994-06-29 Hughes Aircraft Company Système d'antenne à double réflecteur pour produire des couvertures multiples conformées

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0603690A1 (fr) * 1992-12-22 1994-06-29 Hughes Aircraft Company Système d'antenne à double réflecteur pour produire des couvertures multiples conformées

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