FR1508062A - Aplanatic antennas - Google Patents

Aplanatic antennas

Info

Publication number
FR1508062A
FR1508062A FR12820A FR12820A FR1508062A FR 1508062 A FR1508062 A FR 1508062A FR 12820 A FR12820 A FR 12820A FR 12820 A FR12820 A FR 12820A FR 1508062 A FR1508062 A FR 1508062A
Authority
FR
France
Prior art keywords
aplanatic
antennas
aplanatic antennas
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
FR12820A
Other languages
French (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
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR12820A priority Critical patent/FR1508062A/en
Application granted granted Critical
Publication of FR1508062A publication Critical patent/FR1508062A/en
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
    • H01Q19/18—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
FR12820A 1965-04-12 1965-04-12 Aplanatic antennas Expired FR1508062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR12820A FR1508062A (en) 1965-04-12 1965-04-12 Aplanatic antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR12820A FR1508062A (en) 1965-04-12 1965-04-12 Aplanatic antennas

Publications (1)

Publication Number Publication Date
FR1508062A true FR1508062A (en) 1968-01-05

Family

ID=8576173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR12820A Expired FR1508062A (en) 1965-04-12 1965-04-12 Aplanatic antennas

Country Status (1)

Country Link
FR (1) FR1508062A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246650A1 (en) * 1971-09-22 1973-03-29 Thomson Csf APLANATIC HIGH FREQUENCY ANTENNA
FR2181959A1 (en) * 1972-04-24 1973-12-07 Ericsson Telefon Ab L M
FR2458821A1 (en) * 1979-06-13 1981-01-02 Thomson Csf INTERFERENCE REDUCING DEVICE IN ROTARY RECTILINEAR POLARIZATION AND RADAR COMPRISING SUCH A DEVICE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246650A1 (en) * 1971-09-22 1973-03-29 Thomson Csf APLANATIC HIGH FREQUENCY ANTENNA
FR2181959A1 (en) * 1972-04-24 1973-12-07 Ericsson Telefon Ab L M
FR2458821A1 (en) * 1979-06-13 1981-01-02 Thomson Csf INTERFERENCE REDUCING DEVICE IN ROTARY RECTILINEAR POLARIZATION AND RADAR COMPRISING SUCH A DEVICE
EP0021866A1 (en) * 1979-06-13 1981-01-07 Thomson-Csf Device for reducing jamming signals with a rotating linear polarization and use thereof in a radar

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