DE68918474D1 - Antennensystem mit verstellbarer Bündelbreite und Bündelrichtung. - Google Patents

Antennensystem mit verstellbarer Bündelbreite und Bündelrichtung.

Info

Publication number
DE68918474D1
DE68918474D1 DE68918474T DE68918474T DE68918474D1 DE 68918474 D1 DE68918474 D1 DE 68918474D1 DE 68918474 T DE68918474 T DE 68918474T DE 68918474 T DE68918474 T DE 68918474T DE 68918474 D1 DE68918474 D1 DE 68918474D1
Authority
DE
Germany
Prior art keywords
antenna system
adjustable
width
beam direction
beam width
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
DE68918474T
Other languages
English (en)
Other versions
DE68918474T2 (de
Inventor
Bernard Jozef Reits
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 Nederland BV
Original Assignee
Thales Nederland BV
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 Thales Nederland BV filed Critical Thales Nederland BV
Publication of DE68918474D1 publication Critical patent/DE68918474D1/de
Application granted granted Critical
Publication of DE68918474T2 publication Critical patent/DE68918474T2/de
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
    • 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
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the reflecting surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
    • H01Q15/165—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal composed of a plurality of rigid panels
    • H01Q15/167—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal composed of a plurality of rigid panels comprising a gap between adjacent panels or group of panels, e.g. stepped reflectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations 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 refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations 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 refracting or diffracting devices, e.g. lens for focusing
    • H01Q19/065—Zone plate type antennas
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE68918474T 1988-03-03 1989-02-23 Antennensystem mit verstellbarer Bündelbreite und Bündelrichtung. Expired - Fee Related DE68918474T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8800538A NL8800538A (nl) 1988-03-03 1988-03-03 Antennesysteem met variabele bundelbreedte en bundelorientatie.

Publications (2)

Publication Number Publication Date
DE68918474D1 true DE68918474D1 (de) 1994-11-03
DE68918474T2 DE68918474T2 (de) 1995-04-27

Family

ID=19851883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918474T Expired - Fee Related DE68918474T2 (de) 1988-03-03 1989-02-23 Antennensystem mit verstellbarer Bündelbreite und Bündelrichtung.

Country Status (7)

Country Link
US (1) US5063389A (de)
EP (1) EP0331248B1 (de)
JP (1) JPH01255301A (de)
AU (1) AU614339B2 (de)
CA (1) CA1321263C (de)
DE (1) DE68918474T2 (de)
NL (1) NL8800538A (de)

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NL9400974A (nl) * 1994-06-15 1996-01-02 Hollandse Signaalapparaten Bv Instelbare Fresnel zoneplaat.
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US5995056A (en) * 1997-09-18 1999-11-30 United States Of America As Represented By The Secretary Of The Navy Wide band tem fed phased array reflector antenna
JP4109722B2 (ja) * 1998-08-31 2008-07-02 三菱電機株式会社 アンテナ鏡面測定・調整装置
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US6208317B1 (en) * 2000-02-15 2001-03-27 Hughes Electronics Corporation Hub mounted bending beam for shape adjustment of springback reflectors
JP3778056B2 (ja) * 2001-11-02 2006-05-24 オムロン株式会社 侵入物検知装置
JP3676294B2 (ja) * 2001-12-17 2005-07-27 三菱電機株式会社 反射鏡アンテナの鏡面精度測定装置および鏡面制御システム
JP3866273B2 (ja) * 2003-08-27 2007-01-10 松下電器産業株式会社 アンテナおよびその製造方法
GB0401084D0 (en) * 2004-01-19 2004-02-18 Roke Manor Research Parabolic reflector
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US5063389A (en) 1991-11-05
EP0331248B1 (de) 1994-09-28
NL8800538A (nl) 1988-08-01
DE68918474T2 (de) 1995-04-27
JPH01255301A (ja) 1989-10-12
CA1321263C (en) 1993-08-10
AU3091689A (en) 1989-09-07
EP0331248A1 (de) 1989-09-06
AU614339B2 (en) 1991-08-29

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