ES215856A1 - Improvements in or relating to directional aerial systems - Google Patents

Improvements in or relating to directional aerial systems

Info

Publication number
ES215856A1
ES215856A1 ES0215856A ES215856A ES215856A1 ES 215856 A1 ES215856 A1 ES 215856A1 ES 0215856 A ES0215856 A ES 0215856A ES 215856 A ES215856 A ES 215856A ES 215856 A1 ES215856 A1 ES 215856A1
Authority
ES
Spain
Prior art keywords
reflector
antenna
relating
directional aerial
aerial systems
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
ES0215856A
Other languages
Spanish (es)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of ES215856A1 publication Critical patent/ES215856A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • 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
    • H01Q19/15—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 line source, e.g. leaky waveguide antennas

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)

Abstract

Improvements in directional antenna systems, characterized by comprising a main reflector; an antenna, axially wound, with its axis in the focal line of the reflector, and a tubular feeder, also coaxial with the focal line, and which mechanically supports the antenna from the reflector; The tubular feeder passes through an opening in the reflector, extends from it to the antenna, and is electrically connected to it at one end. (Machine-translation by Google Translate, not legally binding)
ES0215856A 1953-06-17 1954-06-09 Improvements in or relating to directional aerial systems Expired ES215856A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1678553A GB741897A (en) 1953-06-17 1953-06-17 Improvements in or relating to directional aerial systems

Publications (1)

Publication Number Publication Date
ES215856A1 true ES215856A1 (en) 1955-08-01

Family

ID=10083608

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0215856A Expired ES215856A1 (en) 1953-06-17 1954-06-09 Improvements in or relating to directional aerial systems

Country Status (4)

Country Link
DE (1) DE1001353B (en)
ES (1) ES215856A1 (en)
FR (1) FR1107577A (en)
GB (1) GB741897A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2919442A (en) * 1955-12-09 1959-12-29 American Electronics Antenna
DE1048962B (en) * 1957-09-20 1959-01-22 Siemens Ag Directional antenna for very short electromagnetic waves
NL251575A (en) * 1959-05-11 1964-02-25
CH391803A (en) * 1961-10-06 1965-05-15 Patelhold Patentverwertung Axially backward radiating helical antenna
FR2034170A1 (en) * 1969-02-17 1970-12-11 Thomson Csf
FR2061510B1 (en) * 1969-02-28 1973-12-21 Thomson Csf
US4014028A (en) * 1975-08-11 1977-03-22 Trw Inc. Backfire bifilar helical antenna
CA1257694A (en) * 1985-08-05 1989-07-18 Hisamatsu Nakano Antenna system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE812444C (en) * 1950-03-11 1951-08-30 Karl-Otto Dr-Ing Schmidt Coil antenna for advancing circularly polarized waves

Also Published As

Publication number Publication date
FR1107577A (en) 1956-01-03
GB741897A (en) 1955-12-14
DE1001353B (en) 1957-01-24

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