GB415141A - Improvements in or relating to directional aerial systems - Google Patents

Improvements in or relating to directional aerial systems

Info

Publication number
GB415141A
GB415141A GB5586/33A GB558633A GB415141A GB 415141 A GB415141 A GB 415141A GB 5586/33 A GB5586/33 A GB 5586/33A GB 558633 A GB558633 A GB 558633A GB 415141 A GB415141 A GB 415141A
Authority
GB
United Kingdom
Prior art keywords
portions
wavelength
currents
source
elements
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
GB5586/33A
Other languages
English (en)
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
Priority to NL38549D priority Critical patent/NL38549C/xx
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB5586/33A priority patent/GB415141A/en
Priority to US701419A priority patent/US2045987A/en
Priority to FR768779D priority patent/FR768779A/fr
Priority to DEM126607D priority patent/DE619026C/de
Publication of GB415141A publication Critical patent/GB415141A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/062—Two dimensional planar arrays using dipole aerials
    • 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
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
GB5586/33A 1933-02-23 1933-02-23 Improvements in or relating to directional aerial systems Expired GB415141A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL38549D NL38549C (de) 1933-02-23
GB5586/33A GB415141A (en) 1933-02-23 1933-02-23 Improvements in or relating to directional aerial systems
US701419A US2045987A (en) 1933-02-23 1933-12-08 Directional aerial system
FR768779D FR768779A (fr) 1933-02-23 1934-02-16 Perfectionnements aux systèmes d'antennes dirigées
DEM126607D DE619026C (de) 1933-02-23 1934-02-24 Richtantenne, insbesondere fuer kurze Wellen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5586/33A GB415141A (en) 1933-02-23 1933-02-23 Improvements in or relating to directional aerial systems

Publications (1)

Publication Number Publication Date
GB415141A true GB415141A (en) 1934-08-23

Family

ID=9798891

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5586/33A Expired GB415141A (en) 1933-02-23 1933-02-23 Improvements in or relating to directional aerial systems

Country Status (5)

Country Link
US (1) US2045987A (de)
DE (1) DE619026C (de)
FR (1) FR768779A (de)
GB (1) GB415141A (de)
NL (1) NL38549C (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781513A (en) * 1953-09-08 1957-02-12 Rca Corp Slotted sheet antenna
US2875441A (en) * 1954-10-14 1959-02-24 James A Mcgrane Twin multiple loop television antenna
US2993206A (en) * 1959-01-22 1961-07-18 Lindsay Antenna And Specialty Multiband doublet antenna
US3082422A (en) * 1960-02-09 1963-03-19 William B Watkins Plural folded dipoles with center mounted transformer coupling
US4293858A (en) * 1979-11-23 1981-10-06 International Telephone And Telegraph Corporation Polarization agile meander line array
DE3436063A1 (de) * 1984-10-02 1986-04-10 Autoflug Gmbh, 2084 Rellingen Gestaffelte anordnung zur verbesserung der radarreflexion
US4860020A (en) * 1987-04-30 1989-08-22 The Aerospace Corporation Compact, wideband antenna system
US7411555B2 (en) * 2003-02-20 2008-08-12 Texas Instruments Incorporated Folded monoplole antenna, bent, tapped, or both, and systems incorporating same

Also Published As

Publication number Publication date
FR768779A (fr) 1934-08-13
DE619026C (de) 1935-09-20
NL38549C (de)
US2045987A (en) 1936-06-30

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