FR3082059B1 - ELECTROMAGNETIC ANTENNA SUITABLE TO OPERATE IN A FREQUENCY BAND - Google Patents

ELECTROMAGNETIC ANTENNA SUITABLE TO OPERATE IN A FREQUENCY BAND Download PDF

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Publication number
FR3082059B1
FR3082059B1 FR1800526A FR1800526A FR3082059B1 FR 3082059 B1 FR3082059 B1 FR 3082059B1 FR 1800526 A FR1800526 A FR 1800526A FR 1800526 A FR1800526 A FR 1800526A FR 3082059 B1 FR3082059 B1 FR 3082059B1
Authority
FR
France
Prior art keywords
operate
frequency band
electromagnetic antenna
antenna suitable
ferrofluid
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.)
Active
Application number
FR1800526A
Other languages
French (fr)
Other versions
FR3082059A1 (en
Inventor
Erwan Rochefort
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.)
Naval Group SA
Original Assignee
Naval Group SA
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 Naval Group SA filed Critical Naval Group SA
Priority to FR1800526A priority Critical patent/FR3082059B1/en
Priority to PCT/EP2019/063925 priority patent/WO2019229111A1/en
Publication of FR3082059A1 publication Critical patent/FR3082059A1/en
Application granted granted Critical
Publication of FR3082059B1 publication Critical patent/FR3082059B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
    • 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
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • H01Q21/12—Parallel arrangements of substantially straight elongated conductive units
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/01—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the shape of the antenna or antenna system
    • 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
    • H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
    • H01Q9/22—Rigid rod or equivalent tubular element or elements
    • 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

Abstract

L'invention concerne une antenne électromagnétique adaptée à fonctionner dans une bande de fréquence, comportant au moins un élément rayonnant conducteur(4), caractérisée en ce que ledit élément rayonnant (4) est à base de ferrofluide conducteur, ledit ferrofluide comportant des suspensions colloïdales de nanoparticules ferromagnétiques dans un solvant ionique.The invention relates to an electromagnetic antenna adapted to operate in a frequency band, comprising at least one conductive radiating element (4), characterized in that said radiating element (4) is based on conductive ferrofluid, said ferrofluid comprising colloidal suspensions of ferromagnetic nanoparticles in an ionic solvent.

FR1800526A 2018-05-29 2018-05-29 ELECTROMAGNETIC ANTENNA SUITABLE TO OPERATE IN A FREQUENCY BAND Active FR3082059B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1800526A FR3082059B1 (en) 2018-05-29 2018-05-29 ELECTROMAGNETIC ANTENNA SUITABLE TO OPERATE IN A FREQUENCY BAND
PCT/EP2019/063925 WO2019229111A1 (en) 2018-05-29 2019-05-29 Electromagnetic antenna designed to work in a frequency band

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1800526 2018-05-29
FR1800526A FR3082059B1 (en) 2018-05-29 2018-05-29 ELECTROMAGNETIC ANTENNA SUITABLE TO OPERATE IN A FREQUENCY BAND

Publications (2)

Publication Number Publication Date
FR3082059A1 FR3082059A1 (en) 2019-12-06
FR3082059B1 true FR3082059B1 (en) 2020-08-14

Family

ID=63834063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1800526A Active FR3082059B1 (en) 2018-05-29 2018-05-29 ELECTROMAGNETIC ANTENNA SUITABLE TO OPERATE IN A FREQUENCY BAND

Country Status (2)

Country Link
FR (1) FR3082059B1 (en)
WO (1) WO2019229111A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9184496B2 (en) * 2009-07-08 2015-11-10 The Charles Stark Draper Laboratory, Inc. Inductors having fluidic constructs that permit reconfiguration of the inductors
MX2016006840A (en) * 2013-12-30 2016-12-16 Halliburton Energy Services Inc Ferrofluid tool for providing modifiable structures in boreholes.

Also Published As

Publication number Publication date
WO2019229111A1 (en) 2019-12-05
FR3082059A1 (en) 2019-12-06

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