IT994437B - Antenna comportante un riflettore parabolico ed una sorgente prima ria a doppia polarizzazione - Google Patents

Antenna comportante un riflettore parabolico ed una sorgente prima ria a doppia polarizzazione

Info

Publication number
IT994437B
IT994437B IT5329073A IT5329073A IT994437B IT 994437 B IT994437 B IT 994437B IT 5329073 A IT5329073 A IT 5329073A IT 5329073 A IT5329073 A IT 5329073A IT 994437 B IT994437 B IT 994437B
Authority
IT
Italy
Prior art keywords
ria
antenna
source
parabolic reflector
double polarization
Prior art date
Application number
IT5329073A
Other languages
English (en)
Italian (it)
Original Assignee
Thomson Csf
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 filed Critical Thomson Csf
Application granted granted Critical
Publication of IT994437B publication Critical patent/IT994437B/it

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
    • H01Q19/13—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 being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/134—Rear-feeds; Splash plate feeds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation
    • H01Q13/0258—Orthomode horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/06—Waveguide mouths
    • 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
    • H01Q19/13—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 being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/134—Rear-feeds; Splash plate feeds
    • H01Q19/136—Rear-feeds; Splash plate feeds cross-polarised
IT5329073A 1972-10-24 1973-10-23 Antenna comportante un riflettore parabolico ed una sorgente prima ria a doppia polarizzazione IT994437B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7237657A FR2204055B1 (de) 1972-10-24 1972-10-24

Publications (1)

Publication Number Publication Date
IT994437B true IT994437B (it) 1975-10-20

Family

ID=9106139

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5329073A IT994437B (it) 1972-10-24 1973-10-23 Antenna comportante un riflettore parabolico ed una sorgente prima ria a doppia polarizzazione

Country Status (4)

Country Link
DE (1) DE2353277C2 (de)
FR (1) FR2204055B1 (de)
IT (1) IT994437B (de)
NL (1) NL7314477A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8900992A (nl) * 1989-04-20 1990-11-16 Arie De Jong Reflektor.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB713769A (en) * 1951-09-28 1954-08-18 Gen Electric Co Ltd Improvements in or relating to directive radio aerial systems
US3241146A (en) * 1963-01-30 1966-03-15 North American Aviation Inc Four aperture radiator for illuminating main dish
US3599219A (en) * 1969-01-29 1971-08-10 Andrew Corp Backlobe reduction in reflector-type antennas
US3543276A (en) * 1969-04-10 1970-11-24 Sylvania Electric Prod Broadband circularly polarized fanshaped beam antenna

Also Published As

Publication number Publication date
FR2204055B1 (de) 1978-04-28
FR2204055A1 (de) 1974-05-17
NL7314477A (de) 1974-04-26
DE2353277A1 (de) 1974-05-02
DE2353277C2 (de) 1985-06-05

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