SE347081B - - Google Patents

Info

Publication number
SE347081B
SE347081B SE02445/67A SE244567A SE347081B SE 347081 B SE347081 B SE 347081B SE 02445/67 A SE02445/67 A SE 02445/67A SE 244567 A SE244567 A SE 244567A SE 347081 B SE347081 B SE 347081B
Authority
SE
Sweden
Application number
SE02445/67A
Inventor
Y Commault
Original Assignee
Csf C
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 C filed Critical Csf C
Publication of SE347081B publication Critical patent/SE347081B/xx

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
    • 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
SE02445/67A 1966-02-25 1967-02-22 SE347081B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR51133A FR1477571A (fr) 1966-02-25 1966-02-25 Perfectionnements aux antennes à dispositif de focalisation

Publications (1)

Publication Number Publication Date
SE347081B true SE347081B (xx) 1972-07-24

Family

ID=8602297

Family Applications (1)

Application Number Title Priority Date Filing Date
SE02445/67A SE347081B (xx) 1966-02-25 1967-02-22

Country Status (5)

Country Link
US (1) US3514779A (xx)
DE (1) DE1591026C3 (xx)
FR (1) FR1477571A (xx)
GB (1) GB1179181A (xx)
SE (1) SE347081B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396434A1 (fr) * 1977-07-01 1979-01-26 Thomson Csf Dispositif d'effacement des lobes secondaires d'une antenne du type " cassegrain a rotation de polarisation ", et systeme radar comportant un tel dispositif
US4220957A (en) * 1979-06-01 1980-09-02 General Electric Company Dual frequency horn antenna system
FR2458821A1 (fr) * 1979-06-13 1981-01-02 Thomson Csf Dispositif reducteur de brouillage en polarisation rectiligne tournante et radar comportant un tel dispositif
JPS5779709A (en) * 1980-11-05 1982-05-19 Mitsubishi Electric Corp Antenna device
JPS5779710A (en) * 1980-11-05 1982-05-19 Mitsubishi Electric Corp Antenna device
FR2535906B1 (fr) * 1982-11-05 1985-09-20 Thomson Csf Antenne a double reflecteur pour radar de poursuite permettant d'ameliorer l'acquisition

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2736895A (en) * 1951-02-16 1956-02-28 Elliott Brothers London Ltd High frequency radio aerials
GB805977A (en) * 1955-11-04 1958-12-17 Decca Record Co Ltd Improvements in or relating to radar apparatus
NL272152A (xx) * 1960-12-27
US3284725A (en) * 1962-01-15 1966-11-08 Airtron Division Of Prec Produ Microwave coupler for combining two orthogonally polarized waves utilizing a ridge-like impedance matching member
US3238529A (en) * 1963-02-06 1966-03-01 Raytheon Co Multi-polarization receiving system
US3340535A (en) * 1964-06-16 1967-09-05 Textron Inc Circular polarization cassegrain antenna
US3314027A (en) * 1964-10-14 1967-04-11 Jr Howard S Jones Step twist diode microwave switch

Also Published As

Publication number Publication date
FR1477571A (fr) 1967-04-21
DE1591026C3 (de) 1974-03-07
US3514779A (en) 1970-05-26
DE1591026B2 (de) 1973-08-02
DE1591026A1 (de) 1970-02-12
GB1179181A (en) 1970-01-28

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