BE769687A - Perfectionnement aux aeriens a angle d'ouverture variable - Google Patents

Perfectionnement aux aeriens a angle d'ouverture variable

Info

Publication number
BE769687A
BE769687A BE769687A BE769687A BE769687A BE 769687 A BE769687 A BE 769687A BE 769687 A BE769687 A BE 769687A BE 769687 A BE769687 A BE 769687A BE 769687 A BE769687 A BE 769687A
Authority
BE
Belgium
Prior art keywords
aerials
improvement
opening
variable angle
variable
Prior art date
Application number
BE769687A
Other languages
English (en)
French (fr)
Inventor
B Chiron
L Duffau
Original Assignee
Lignes Telegraph Telephon
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 FR7028150A external-priority patent/FR2112039B1/fr
Priority claimed from FR7101105A external-priority patent/FR2150554B1/fr
Application filed by Lignes Telegraph Telephon filed Critical Lignes Telegraph Telephon
Publication of BE769687A publication Critical patent/BE769687A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • 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
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/24—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
BE769687A 1970-07-30 1971-07-08 Perfectionnement aux aeriens a angle d'ouverture variable BE769687A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7028150A FR2112039B1 (xx) 1970-07-30 1970-07-30
FR7101105A FR2150554B1 (xx) 1971-01-14 1971-01-14

Publications (1)

Publication Number Publication Date
BE769687A true BE769687A (fr) 1971-11-16

Family

ID=26215869

Family Applications (1)

Application Number Title Priority Date Filing Date
BE769687A BE769687A (fr) 1970-07-30 1971-07-08 Perfectionnement aux aeriens a angle d'ouverture variable

Country Status (5)

Country Link
US (1) US3765021A (xx)
BE (1) BE769687A (xx)
CH (1) CH539343A (xx)
DE (1) DE2136918A1 (xx)
GB (1) GB1352406A (xx)

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AT335569B (de) * 1974-03-21 1977-03-25 Siemens Ag Oesterreich Schaltungsanordnung zur drahtlosen ubertragung von zundsignalen zu steuerbaren halbleiterventilen, insbesondere thyristoren
US4053897A (en) * 1976-10-14 1977-10-11 Honeywell Inc. Microwave element including source antenna and cavity portions
US4588994A (en) * 1982-10-18 1986-05-13 Hughes Aircraft Company Continuous ferrite aperture for electronic scanning antennas
WO1986003891A2 (en) * 1984-12-19 1986-07-03 Martin Marietta Corporation A compound dielectric multi-conductor transmission line and devices constructed therefrom
US4677404A (en) * 1984-12-19 1987-06-30 Martin Marietta Corporation Compound dielectric multi-conductor transmission line
JP3277590B2 (ja) * 1993-02-18 2002-04-22 株式会社村田製作所 誘電体ロッドアンテナ
DE4405855A1 (de) * 1994-02-23 1995-08-24 Grieshaber Vega Kg Antenneneinrichtung für ein Füllstandmeßgerät
US6433936B1 (en) 2001-08-15 2002-08-13 Emerson & Cuming Microwave Products Lens of gradient dielectric constant and methods of production
US20050151695A1 (en) * 2004-01-14 2005-07-14 Ming Chen Waveguide apparatus and method
GB2456556A (en) * 2008-01-21 2009-07-22 Zarlink Semiconductor Ltd Antenna arrangement including dielectric and ferrite materials.
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US9876264B2 (en) 2015-10-02 2018-01-23 At&T Intellectual Property I, Lp Communication system, guided wave switch and methods for use therewith
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Also Published As

Publication number Publication date
US3765021A (en) 1973-10-09
GB1352406A (en) 1974-05-08
DE2136918A1 (de) 1972-02-03
CH539343A (fr) 1973-07-15

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