FR768779A - Perfectionnements aux systèmes d'antennes dirigées - Google Patents

Perfectionnements aux systèmes d'antennes dirigées

Info

Publication number
FR768779A
FR768779A FR768779DA FR768779A FR 768779 A FR768779 A FR 768779A FR 768779D A FR768779D A FR 768779DA FR 768779 A FR768779 A FR 768779A
Authority
FR
France
Prior art keywords
antenna systems
directed antenna
directed
systems
antenna
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
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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR768779A publication Critical patent/FR768779A/fr
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
FR768779D 1933-02-23 1934-02-16 Perfectionnements aux systèmes d'antennes dirigées Expired FR768779A (fr)

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
FR768779A true FR768779A (fr) 1934-08-13

Family

ID=9798891

Family Applications (1)

Application Number Title Priority Date Filing Date
FR768779D Expired FR768779A (fr) 1933-02-23 1934-02-16 Perfectionnements aux systèmes d'antennes dirigées

Country Status (5)

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

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
DE619026C (de) 1935-09-20
GB415141A (en) 1934-08-23
NL38549C (fr)
US2045987A (en) 1936-06-30

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