DK1074061T3 - Centralt født antennesystem og fremgangsmåde til optimering af et sådant antennesystem - Google Patents

Centralt født antennesystem og fremgangsmåde til optimering af et sådant antennesystem

Info

Publication number
DK1074061T3
DK1074061T3 DK99927692T DK99927692T DK1074061T3 DK 1074061 T3 DK1074061 T3 DK 1074061T3 DK 99927692 T DK99927692 T DK 99927692T DK 99927692 T DK99927692 T DK 99927692T DK 1074061 T3 DK1074061 T3 DK 1074061T3
Authority
DK
Denmark
Prior art keywords
antenna system
optimizing
centralized
centralized antenna
antenna
Prior art date
Application number
DK99927692T
Other languages
Danish (da)
English (en)
Inventor
Helmut Wolf
Norbert Nathrath
Luc Duchesne
Original Assignee
Astrium Gmbh
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 Astrium Gmbh filed Critical Astrium Gmbh
Application granted granted Critical
Publication of DK1074061T3 publication Critical patent/DK1074061T3/da

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • H01Q19/023Means for reducing undesirable effects for reducing the scattering of mounting structures, e.g. of the struts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14Reflecting surfaces; Equivalent structures
    • H01Q15/141Apparatus or processes specially adapted for manufacturing reflecting surfaces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • H01Q19/025Means for reducing undesirable effects for optimizing the matching of the primary feed, e.g. vertex plates
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • H01Q19/028Means for reducing undesirable effects for reducing the cross polarisation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
DK99927692T 1998-04-21 1999-04-20 Centralt født antennesystem og fremgangsmåde til optimering af et sådant antennesystem DK1074061T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19817766A DE19817766A1 (de) 1998-04-21 1998-04-21 Zentral gespeistes Antennensystem und Verfahren zum Optimieren eines solchen Antennensystems
PCT/DE1999/001188 WO1999054955A2 (de) 1998-04-21 1999-04-20 Zentral gespeistes antennensystem und verfahren zum optimieren eines solchen antennensystems

Publications (1)

Publication Number Publication Date
DK1074061T3 true DK1074061T3 (da) 2003-01-06

Family

ID=7865303

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99927692T DK1074061T3 (da) 1998-04-21 1999-04-20 Centralt født antennesystem og fremgangsmåde til optimering af et sådant antennesystem

Country Status (8)

Country Link
US (1) US6489929B1 (de)
EP (1) EP1074061B1 (de)
JP (1) JP2002512462A (de)
CN (1) CN1292939A (de)
CA (1) CA2329739C (de)
DE (2) DE19817766A1 (de)
DK (1) DK1074061T3 (de)
WO (1) WO1999054955A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4001014B2 (ja) * 2002-12-25 2007-10-31 日本電気株式会社 携帯電話機
JP4468300B2 (ja) 2003-08-13 2010-05-26 三菱電機株式会社 反射鏡アンテナ装置
JP4673067B2 (ja) * 2005-01-18 2011-04-20 株式会社デバイス アンテナ昇降装置
EP2161784A1 (de) * 2008-09-05 2010-03-10 Astrium Limited Antennenreflektor
US9190716B2 (en) * 2008-09-05 2015-11-17 Astrium Limited Reflector
US10516216B2 (en) 2018-01-12 2019-12-24 Eagle Technology, Llc Deployable reflector antenna system
US10707552B2 (en) 2018-08-21 2020-07-07 Eagle Technology, Llc Folded rib truss structure for reflector antenna with zero over stretch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS564903A (en) 1979-06-26 1981-01-19 Nippon Telegr & Teleph Corp <Ntt> Opening surface antenna with improved cross polarization characteristic

Also Published As

Publication number Publication date
DE19817766A1 (de) 1999-11-11
US6489929B1 (en) 2002-12-03
WO1999054955A3 (de) 1999-12-02
DE59903754D1 (de) 2003-01-23
CN1292939A (zh) 2001-04-25
JP2002512462A (ja) 2002-04-23
EP1074061A2 (de) 2001-02-07
CA2329739A1 (en) 1999-10-28
EP1074061B1 (de) 2002-12-11
CA2329739C (en) 2004-02-24
WO1999054955A2 (de) 1999-10-28

Similar Documents

Publication Publication Date Title
NO992354L (no) FremgangsmÕte og system for kommunikasjon
NO20004817D0 (no) FremgangsmÕte og system for optimalisering av penetreringsrate
DK132097A (da) Indretning og fremgangsmåde til udførelse af borehulsfunktioner.
DK1075698T3 (da) Skærmet kabel og fremgangsmåde til fremstilling af dette
NO992719D0 (no) FremgangsmÕte og system for bredbÕndsradioaksess
IS5564A (is) Aðferð og búnaður til vigtunar
NO990941D0 (no) Automatisk elektronisk pengeoverf°ringssystem og fremgangsmÕte
NO993710D0 (no) Fremgangsmåte og arrangement for justering av et antennemönster
DK1147282T3 (da) Styrbart boresystem og fremgangsmåde
NO20012472D0 (no) Apparat og fremgangsmåte for brönnforvaltning
NO20011084L (no) Presisjonstidsstyrende generatorsystem og fremgangsmåte.
DK13195A (da) Fremgangsmåde og system til distribution af TV-signaler
DK1226434T3 (da) Systemer og fremgangsmåder til udförelse af magnetiske kromatografianalyser
NO20006700D0 (no) Innretning og fremgangsmåte for laserbelegging
DE69940571D1 (de) Kommunikationsverfahren und -system
NO20001177D0 (no) FremgangsmÕte og system for digital signaloverføring
IS5924A (is) Aðferð og búnaður til að skera hluti
DK70896A (da) Fremgangsmåde og anlæg til fremstilling af spiseispinde
DK1123582T3 (da) Anordning og fremgangsmåde til elimination af interferens
NO20001959D0 (no) Fremgangsmõte og system for tale- og dataradiokommunikasjon
DK0913708T3 (da) Elektromagnetisk signalopsamlingsapparat og fremgangsmåde til brug af samme
DK1074061T3 (da) Centralt født antennesystem og fremgangsmåde til optimering af et sådant antennesystem
DK0880302T3 (da) Varmekabel og fremgangsmåde til fremstilling af samme
DK0749677T3 (da) Fremgangsmåde til fremskaffelse af data
NO20015089D0 (no) System og fremgangsmåte for konvertert-bölge-analyse