IT8868012A0 - Radar iff che ne fa impiego antenna a filo ed antenna combinata - Google Patents

Radar iff che ne fa impiego antenna a filo ed antenna combinata

Info

Publication number
IT8868012A0
IT8868012A0 IT8868012A IT6801288A IT8868012A0 IT 8868012 A0 IT8868012 A0 IT 8868012A0 IT 8868012 A IT8868012 A IT 8868012A IT 6801288 A IT6801288 A IT 6801288A IT 8868012 A0 IT8868012 A0 IT 8868012A0
Authority
IT
Italy
Prior art keywords
antenna
combined
wire
iff
radar
Prior art date
Application number
IT8868012A
Other languages
English (en)
Inventor
Campan Yves
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
Publication of IT8868012A0 publication Critical patent/IT8868012A0/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • 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
IT8868012A 1987-12-04 1988-11-15 Radar iff che ne fa impiego antenna a filo ed antenna combinata IT8868012A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8716867A FR2880202A1 (fr) 1987-12-04 1987-12-04 Antenne de type filaire a tres faible visibilite aux frequences superieures a sa frequence de fonctionnement et antenne combinee radar-iff en faisant application

Publications (1)

Publication Number Publication Date
IT8868012A0 true IT8868012A0 (it) 1988-11-15

Family

ID=9357488

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8868012A IT8868012A0 (it) 1987-12-04 1988-11-15 Radar iff che ne fa impiego antenna a filo ed antenna combinata

Country Status (4)

Country Link
DE (1) DE3840931B3 (it)
FR (1) FR2880202A1 (it)
GB (1) GB8828104D0 (it)
IT (1) IT8868012A0 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031109B2 (en) * 2009-07-17 2011-10-04 Codar Ocean Sensors, Ltd. Combined transmit/receive single-post antenna for HF/VHF radar

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521289A (en) * 1967-11-13 1970-07-21 Univ Illinois Helical dipole antenna element

Also Published As

Publication number Publication date
DE3840931B3 (de) 2007-07-12
FR2880202A1 (fr) 2006-06-30
GB8828104D0 (en) 2006-06-21

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