FR1376344A - Airline improvements - Google Patents

Airline improvements

Info

Publication number
FR1376344A
FR1376344A FR956259A FR956259A FR1376344A FR 1376344 A FR1376344 A FR 1376344A FR 956259 A FR956259 A FR 956259A FR 956259 A FR956259 A FR 956259A FR 1376344 A FR1376344 A FR 1376344A
Authority
FR
France
Prior art keywords
airline
airline improvements
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
FR956259A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 GB4701062A external-priority patent/GB1057489A/en
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to FR956259A priority Critical patent/FR1376344A/en
Application granted granted Critical
Publication of FR1376344A publication Critical patent/FR1376344A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q13/04—Biconical horns
    • 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
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001—Crossed polarisation dual antennas
    • 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
FR956259A 1962-12-12 1963-12-06 Airline improvements Expired FR1376344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR956259A FR1376344A (en) 1962-12-12 1963-12-06 Airline improvements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4701062A GB1057489A (en) 1962-12-12 1962-12-12 Improvements in or relating to aerials
FR956259A FR1376344A (en) 1962-12-12 1963-12-06 Airline improvements

Publications (1)

Publication Number Publication Date
FR1376344A true FR1376344A (en) 1964-10-23

Family

ID=26204738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR956259A Expired FR1376344A (en) 1962-12-12 1963-12-06 Airline improvements

Country Status (1)

Country Link
FR (1) FR1376344A (en)

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