FR2759498B1 - Antenne a geometrie variable - Google Patents

Antenne a geometrie variable

Info

Publication number
FR2759498B1
FR2759498B1 FR9800245A FR9800245A FR2759498B1 FR 2759498 B1 FR2759498 B1 FR 2759498B1 FR 9800245 A FR9800245 A FR 9800245A FR 9800245 A FR9800245 A FR 9800245A FR 2759498 B1 FR2759498 B1 FR 2759498B1
Authority
FR
France
Prior art keywords
variable geometry
geometry antenna
antenna
variable
geometry
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 - Fee Related
Application number
FR9800245A
Other languages
English (en)
Other versions
FR2759498A1 (fr
Inventor
Bui Hung Frederic Ngo
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.)
Thales SA
Original Assignee
Thomson CSF 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
Priority claimed from FR9701428A external-priority patent/FR2759497A1/fr
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9800245A priority Critical patent/FR2759498B1/fr
Priority to AU65038/98A priority patent/AU6503898A/en
Priority to EP98910784A priority patent/EP0958635B1/fr
Priority to PCT/FR1998/000232 priority patent/WO1998035402A1/fr
Priority to DE69809392T priority patent/DE69809392T2/de
Priority to US09/355,918 priority patent/US6195065B1/en
Priority to CA002279987A priority patent/CA2279987A1/fr
Publication of FR2759498A1 publication Critical patent/FR2759498A1/fr
Publication of FR2759498B1 publication Critical patent/FR2759498B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01Q9/14—Length of element or elements adjustable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • 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
    • H01Q3/247—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 by switching different parts of a primary active element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/48—Combinations of two or more dipole type 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
    • H01Q9/18—Vertical disposition of the antenna
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
FR9800245A 1997-02-07 1998-01-13 Antenne a geometrie variable Expired - Fee Related FR2759498B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR9800245A FR2759498B1 (fr) 1997-02-07 1998-01-13 Antenne a geometrie variable
DE69809392T DE69809392T2 (de) 1997-02-07 1998-02-06 Antenne mit variabler geometrie
EP98910784A EP0958635B1 (fr) 1997-02-07 1998-02-06 Antenne a geometrie variable
PCT/FR1998/000232 WO1998035402A1 (fr) 1997-02-07 1998-02-06 Antenne a geometrie variable
AU65038/98A AU6503898A (en) 1997-02-07 1998-02-06 Antenna with variable geometry
US09/355,918 US6195065B1 (en) 1997-02-07 1998-02-06 Antenna with variable geometry
CA002279987A CA2279987A1 (fr) 1997-02-07 1998-02-06 Antenne a geometrie variable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701428A FR2759497A1 (fr) 1997-02-07 1997-02-07 Antenne a geometrie variable
FR9800245A FR2759498B1 (fr) 1997-02-07 1998-01-13 Antenne a geometrie variable

Publications (2)

Publication Number Publication Date
FR2759498A1 FR2759498A1 (fr) 1998-08-14
FR2759498B1 true FR2759498B1 (fr) 1999-08-27

Family

ID=26233304

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9800245A Expired - Fee Related FR2759498B1 (fr) 1997-02-07 1998-01-13 Antenne a geometrie variable

Country Status (7)

Country Link
US (1) US6195065B1 (fr)
EP (1) EP0958635B1 (fr)
AU (1) AU6503898A (fr)
CA (1) CA2279987A1 (fr)
DE (1) DE69809392T2 (fr)
FR (1) FR2759498B1 (fr)
WO (1) WO1998035402A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2790872B1 (fr) * 1999-03-12 2003-05-30 Thomson Csf Antenne demontable, a charge capacitive, de type fouet et procede de fabrication d'un segment rayonnant d'une telle antenne
FR2818018B1 (fr) 2000-12-12 2003-02-14 Thomson Csf Antenne rayonnante a isolation galvanique
FR2829622B1 (fr) * 2001-09-11 2004-04-09 Thales Sa Systeme antennaire a rendement elevee et a forte puissance
FR2837988B1 (fr) * 2002-03-26 2008-06-20 Thales Sa Systeme antennaire bi-bande vhf-uhf
US6686892B1 (en) * 2002-04-26 2004-02-03 Bae Systems-Information And Electronic Systems Integration Inc. Switchable length whip antenna
TWI279030B (en) * 2004-06-21 2007-04-11 Accton Technology Corp Antenna and antenna array
US7050018B2 (en) * 2004-09-07 2006-05-23 Machine Applications Corp. Multi-band antenna system
US7420516B2 (en) 2005-10-11 2008-09-02 Motorola, Inc. Antenna assembly and method of operation thereof
ITLI20090002A1 (it) * 2009-03-04 2010-09-05 Renzo Friani Mini antenna verticale, ricetrasmittente, multibanda, motorizzata. composta da elementi fissi e mobili assemblati in modo tale ottenere rendimenti pari ad antenne molto piu' lunghe.
EP2550680A4 (fr) * 2010-03-24 2017-08-02 Mina Danesh Cellule photovoltaïque et antenne radiofréquence intégrées
US10003131B2 (en) 2013-11-19 2018-06-19 At&T Intellectual Property I, L.P. System and method of optical antenna tuning
US10868358B2 (en) * 2017-10-19 2020-12-15 Harris Solutions NY, Inc. Antenna for wearable radio system and associated method of making
CN112821047A (zh) * 2021-01-04 2021-05-18 中国人民解放军海军工程大学 一种短波宽带频率可重构的鞭状天线

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1049556B (fr) *
US3129386A (en) * 1962-05-21 1964-04-14 Sunair Electronics Inc Automatic antenna impedance matching and loading unit
DE1949556A1 (de) * 1969-10-01 1971-04-15 Bechtold Wolfgang Dipl Ing Antenne mit elektromechanischen Abstimmelementen
GB2100932B (en) * 1981-06-18 1986-06-11 Charles Edward Cooper Antenna.
US4751513A (en) * 1986-05-02 1988-06-14 Rca Corporation Light controlled antennas
US4763126A (en) * 1986-11-04 1988-08-09 Ira Jawetz Mooring location system
US4924238A (en) * 1987-02-06 1990-05-08 George Ploussios Electronically tunable antenna
US5093668A (en) * 1989-06-29 1992-03-03 Ball Corporation Multiple-beam array antenna
NL8902812A (nl) * 1989-11-14 1991-06-03 Tno Zelfafstembare hoogfrequente antenne.
US5367310A (en) * 1991-10-11 1994-11-22 Southwest Research Institute Fiber optic antenna radiation efficiency tuner
US5293172A (en) * 1992-09-28 1994-03-08 The Boeing Company Reconfiguration of passive elements in an array antenna for controlling antenna performance
US5656931A (en) * 1995-01-20 1997-08-12 Pacific Gas And Electric Company Fault current sensor device with radio transceiver

Also Published As

Publication number Publication date
WO1998035402A1 (fr) 1998-08-13
US6195065B1 (en) 2001-02-27
AU6503898A (en) 1998-08-26
DE69809392T2 (de) 2003-08-21
EP0958635B1 (fr) 2002-11-13
CA2279987A1 (fr) 1998-08-13
DE69809392D1 (de) 2002-12-19
EP0958635A1 (fr) 1999-11-24
FR2759498A1 (fr) 1998-08-14

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse