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FR3014598B1 - ANTENNA SYSTEM FOR MOUNTING ON OR ABOVE AN OBJECT WHILE PROTECTING THE OBJECT OF THE RADIATION OF THESE ANTENNAS - Google Patents

ANTENNA SYSTEM FOR MOUNTING ON OR ABOVE AN OBJECT WHILE PROTECTING THE OBJECT OF THE RADIATION OF THESE ANTENNAS

Info

Publication number
FR3014598B1
FR3014598B1 FR1362218A FR1362218A FR3014598B1 FR 3014598 B1 FR3014598 B1 FR 3014598B1 FR 1362218 A FR1362218 A FR 1362218A FR 1362218 A FR1362218 A FR 1362218A FR 3014598 B1 FR3014598 B1 FR 3014598B1
Authority
FR
France
Prior art keywords
antennas
protecting
radiation
antenna system
space
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
FR1362218A
Other languages
French (fr)
Other versions
FR3014598A1 (en
Inventor
Tsitoha Andriamiharivolamena
Franck Tirard
Smail Tedjini
Auger Pierre Lemaitre
Pascal Pierron
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.)
Safran Electronics and Defense SAS
Original Assignee
ARDEJE
Institut Polytechnique de Grenoble
Sagem Defense Securite 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 ARDEJE, Institut Polytechnique de Grenoble, Sagem Defense Securite SA filed Critical ARDEJE
Priority to FR1362218A priority Critical patent/FR3014598B1/en
Priority to PCT/EP2014/075732 priority patent/WO2015082287A1/en
Publication of FR3014598A1 publication Critical patent/FR3014598A1/en
Application granted granted Critical
Publication of FR3014598B1 publication Critical patent/FR3014598B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • 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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • 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
    • H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • 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
    • 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
    • H01Q9/06—Details
    • H01Q9/065—Microstrip dipole antennas
    • 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

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Abstract

La présente invention concerne un système d'antennes destiné à être monté sur ou au-dessus d'un objet tout en protégeant ledit objet des rayonnements desdites antennes. Selon la présente invention, il est constitué d'au moins un groupe (21, 22; 100) d'au moins deux antennes, les antennes (221, 222, 223 ; 111, 112, 113) étant positionnées l'une par rapport à une autre de manière que leurs lobes d'émission tournés vers l'espace E où se trouve ledit objet se chevauchent, lesdites antennes étant alimentées de manière que les champs électromagnétiques respectivement émis dans lesdits lobes d'émission tournés vers ledit espace E interfèrent les uns avec les autres et de manière que l'énergie du champ électromagnétique résultant de ces interférences soit diminuée dans ledit espace E comparée à ce qu'elle serait sans interférence.The present invention relates to an antenna system intended to be mounted on or above an object while protecting said object from radiation from said antennas. According to the present invention, it consists of at least one group (21, 22; 100) of at least two antennas, the antennas (221, 222, 223; 111, 112, 113) being positioned relative to one another. to another so that their emission lobes facing towards the space E where said object is located overlap, said antennas being supplied so that the electromagnetic fields respectively emitted in said emission lobes facing towards said space E interfere with the with each other and so that the energy of the electromagnetic field resulting from such interference is reduced in said space E compared to what it would be without interference.

FR1362218A 2013-12-06 2013-12-06 ANTENNA SYSTEM FOR MOUNTING ON OR ABOVE AN OBJECT WHILE PROTECTING THE OBJECT OF THE RADIATION OF THESE ANTENNAS Active FR3014598B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1362218A FR3014598B1 (en) 2013-12-06 2013-12-06 ANTENNA SYSTEM FOR MOUNTING ON OR ABOVE AN OBJECT WHILE PROTECTING THE OBJECT OF THE RADIATION OF THESE ANTENNAS
PCT/EP2014/075732 WO2015082287A1 (en) 2013-12-06 2014-11-27 Antenna system to be mounted on or above an object while protecting said object from the rays of said antennas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1362218A FR3014598B1 (en) 2013-12-06 2013-12-06 ANTENNA SYSTEM FOR MOUNTING ON OR ABOVE AN OBJECT WHILE PROTECTING THE OBJECT OF THE RADIATION OF THESE ANTENNAS

Publications (2)

Publication Number Publication Date
FR3014598A1 FR3014598A1 (en) 2015-06-12
FR3014598B1 true FR3014598B1 (en) 2017-06-09

Family

ID=50473424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1362218A Active FR3014598B1 (en) 2013-12-06 2013-12-06 ANTENNA SYSTEM FOR MOUNTING ON OR ABOVE AN OBJECT WHILE PROTECTING THE OBJECT OF THE RADIATION OF THESE ANTENNAS

Country Status (2)

Country Link
FR (1) FR3014598B1 (en)
WO (1) WO2015082287A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405348B (en) * 1994-03-22 1999-07-26 Josef Dipl Ing Mag Fuhl Method and apparatus for lowering the vertical polar diagram of a transmitting and/or receiving antenna for mobile radio
US6680710B1 (en) * 2002-04-02 2004-01-20 Bae Systems Information And Electronic Systems Integration Inc. Crossed-loop radiation synthesizer systems
CN1628397A (en) * 2002-04-05 2005-06-15 迈尔斯约翰逊公司 Interferometric antenna array for wireless devices
EP1609207A1 (en) * 2003-03-21 2005-12-28 Philips Intellectual Property & Standards GmbH Circuit arrangement for a mobile radio device
WO2007141187A2 (en) * 2006-06-08 2007-12-13 Fractus, S.A. Distributed antenna system robust to human body loading effects
US7532163B2 (en) * 2007-02-13 2009-05-12 Raytheon Company Conformal electronically scanned phased array antenna and communication system for helmets and other platforms
EP2355369A1 (en) * 2010-02-03 2011-08-10 BAE Systems PLC Antenna diversity apparatus

Also Published As

Publication number Publication date
WO2015082287A1 (en) 2015-06-11
FR3014598A1 (en) 2015-06-12

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