IT1012736B - Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente - Google Patents

Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente

Info

Publication number
IT1012736B
IT1012736B IT2307674A IT2307674A IT1012736B IT 1012736 B IT1012736 B IT 1012736B IT 2307674 A IT2307674 A IT 2307674A IT 2307674 A IT2307674 A IT 2307674A IT 1012736 B IT1012736 B IT 1012736B
Authority
IT
Italy
Prior art keywords
elementary
larized
arches
mind
receive
Prior art date
Application number
IT2307674A
Other languages
English (en)
Italian (it)
Original Assignee
Harris Corp
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
Priority claimed from US363029A external-priority patent/US3906514A/en
Application filed by Harris Corp filed Critical Harris Corp
Application granted granted Critical
Publication of IT1012736B publication Critical patent/IT1012736B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/22—Reflecting surfaces; Equivalent structures functioning also as polarisation filter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • 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
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46—Active lenses or reflecting arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT2307674A 1973-05-23 1974-05-22 Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente IT1012736B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US363029A US3906514A (en) 1971-10-27 1973-05-23 Dual polarization spiral antenna

Publications (1)

Publication Number Publication Date
IT1012736B true IT1012736B (it) 1977-03-10

Family

ID=23428485

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2307674A IT1012736B (it) 1973-05-23 1974-05-22 Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente

Country Status (6)

Country Link
CA (1) CA1018276A (enExample)
DE (1) DE2424819A1 (enExample)
DK (1) DK143827C (enExample)
FR (1) FR2231127B1 (enExample)
GB (1) GB1475319A (enExample)
IT (1) IT1012736B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949407A (en) * 1972-12-25 1976-04-06 Harris Corporation Direct fed spiral antenna
FR2522888A1 (fr) * 1982-03-02 1983-09-09 Thomson Csf Antenne a double reflecteur a transformateur de polarisation incorpore

Also Published As

Publication number Publication date
AU6932874A (en) 1975-11-27
DK264274A (enExample) 1975-03-17
FR2231127B1 (enExample) 1979-02-16
FR2231127A1 (enExample) 1974-12-20
DE2424819A1 (de) 1974-12-19
DK143827C (da) 1982-03-08
DK143827B (da) 1981-10-12
GB1475319A (en) 1977-06-01
CA1018276A (en) 1977-09-27

Similar Documents

Publication Publication Date Title
ES550170A0 (es) Una antena de dipolos dispuestos en filas y columnas para ondas electromagneticas.
IT981187B (it) Antenna a microonde per irraggia re energia a microonde
DE3374250D1 (en) Radiating element for cross-polarized microwave signals and planar antenna consisting of an array of such elements
GB1538565A (en) Limited scan array antenna systems with sharp cutoff of element pattern
GB1330175A (en) Radio aerials
IL43841A0 (en) Frequency extension of circularly polarized antenna
DE3886027D1 (de) System zur Energieverteilung für einen Radar mit phasengesteuerter Gruppenantenne.
IT1059434B (it) Perfezionamento nelle antenne direttive
IT1010886B (it) Sistema di antenna per irradiare fasci planari multipli
ES426919A1 (es) Perfeccionamientos en las antenas radioelectricas directi- vas.
BE760653A (fr) Antenne unipolaire helicoidale accordee compensee
FR2335064A1 (fr) Antenne plate de radar
GB2048571B (en) Circularly polarised antenna array
GB1540382A (en) Phased array radars
IT1012736B (it) Antenna elementare unita in schie ra con antenne elementari simili per ricevere e re irradiare dual mente onde elettromagnetiche po larizzate circolarmente
CH541235A (fr) Antenne de radar monopulse
BR7309964D0 (pt) Antena refletora dupla esferica
IT945571B (it) Perfezionamenti alle antenne a piu modi di propagazione
BR7404223D0 (pt) Aperfeicoado sistema de antena para irradiar energia de onda num desejado padrao de irradiacao
GB1326210A (en) Antenna using at least one reflector
GB1506890A (en) Common antenna for primary and secondary radars having means for suppressing interrogation side-lobes
GB1477700A (en) Vertically polarised omnidirectional antenna
GB1012888A (en) Improvements in or relating to antenna systems
CA988205A (en) Direction-finding antenna system consisting of a plurality of individual antennae
JPS524147A (en) Phased array antenna