EP0032340B1 - Support d'antenne orientable et son utilisation - Google Patents

Support d'antenne orientable et son utilisation Download PDF

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Publication number
EP0032340B1
EP0032340B1 EP80401853A EP80401853A EP0032340B1 EP 0032340 B1 EP0032340 B1 EP 0032340B1 EP 80401853 A EP80401853 A EP 80401853A EP 80401853 A EP80401853 A EP 80401853A EP 0032340 B1 EP0032340 B1 EP 0032340B1
Authority
EP
European Patent Office
Prior art keywords
antenna
rotational axis
mounting
bar
mounting member
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
Application number
EP80401853A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0032340A1 (fr
Inventor
René Chevallier
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
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0032340A1 publication Critical patent/EP0032340A1/fr
Application granted granted Critical
Publication of EP0032340B1 publication Critical patent/EP0032340B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning

Definitions

  • the present invention relates to an orientable antenna support, consisting of a carrier element and a coupling device for coupling the antenna to the carrier element, this coupling device comprising a vertical axis of rotation integral with the carrier element and a horizontal axis of rotation integral with the antenna.
  • the present invention also relates to the antennas mounted on such supports.
  • Such antenna supports make it possible to use, as a carrier element, the room which houses the equipment necessary for the operation of the antenna; the price of the antenna support is thus seriously reduced compared to antenna supports whose carrier element is designed only for the support.
  • Such antenna supports are known, for example from the German patent application DOS 2 809 158 and, more precisely, by the description which is made with the aid of FIG. 8.
  • the horizontal axis of rotation of the antenna is separated from the vertical axis of rotation by means of a first pair of support bars of the same length which joins the upper end of the vertical axis to one end of the horizontal axis and a second pair which joins the lower end of the vertical axis to the other end of the horizontal axis.
  • the horizontal axis, and therefore the antenna are thus spaced from the vertical axis, and therefore from the carrier element, to prevent the rear part of the antenna and in particular its power cable from reducing the possibilities adjustment in site coming to abut against the vertical axis.
  • such an antenna support is expensive due, in particular, to the cost of the bars and their assembly.
  • the object of the present invention is to reduce the cost price of the antenna support which was mentioned at the beginning of this description. This is achieved by reducing the number of support bars required to three.
  • an antenna support of the type indicated at the beginning of this description leads to this result by arranging the two axes of rotation in the same plane but in such a way that one of the ends of the horizontal axis is merged with the upper end of the vertical axis.
  • the figure shows a carrier element 1 consisting of a metal frame (container in the Anglo-Saxon literature).
  • This frame placed flat on the ground, serves as a support for a parabolic telecommunications antenna, 2, which is connected to it by means of a coupling device 3, consisting of a tubular assembly, 4, in the form triangle, ABC, rectangle in A and two bars of adjustable length 5, 6.
  • the frame 1 serves both as a shelter for the electronic equipment associated with the antenna and as a work room for the personnel assigned to the antenna.
  • the frame 1 has a vertical face, substantially square, provided, at its two lower angles and at one of its upper angles, with fixing lugs 10, 11, 12.
  • the fixing lugs, in the example described, are joined to frame 1 using bolts and nuts not shown.
  • the tubular assembly 4 essentially consisting of three cylindrical bars arranged along the three sides of the triangel ABC and welded to each other, can pivot around its side AC arranged vertically.
  • the bar AC crosses the upper tab 12 which forms a collar; this bar rests, at its lower end in the shape of a pivot, in a plate cut in the tab 10.
  • the BC bar has a simple role of antenna support bar.
  • the adjustable length bars 5, 6 are provided at their ends with universal joints symbolized, in the figure, by balls.
  • Manually operated screw jacks, 50, 60, allow adjustment of the length of bars 5 and 6.
  • the variations in length of the bar 5 determine the displacement in azimuth of the antenna by rotation around the bar AC which thus constitutes the vertical axis of rotation or axis of rotation in azimuth of the antenna; for this purpose the bar 5 is fixed by means of its two universal joints on the one hand to the lug 11, substantially at the same level as the lower end (42) of the vertical axis of rotation (AC), and on the other hand at the angle B of the tubular assembly 4.
  • the variations in length of the bar 6 determine the displacement in elevation of the antenna by rotation around the bar AB which thus constitutes the horizontal axis of rotation or axis of rotation in elevation of the antenna; for this purpose the bar 6 is fixed by means of its two cardan joints on the one hand at the angle C of the tubular assembly 4 and on the other hand at the rear of the antenna at a point sufficiently away from the straight line passing through the ends of the bar AB so that the effort required to rotate the antenna around the bar AB is low.
  • the antenna is sensitive ment centered on the middle of AB and is therefore offset in the plane ABC, relative to the vertical axis of rotation AC; such an arrangement makes it possible to prevent the rear part of the antenna and in particular the power cable, not shown, from reducing the possibilities of adjustment in elevation, by abutting against the vertical axis.
  • the parabolic telecommunications antenna which served as an example for the description is a 3 meter diameter antenna working in the 11 GHz band and the room is a metal frame approximately 2 meters wide and 3 meters long.
  • the invention applies generally to orientable antennas as well when the orientation of the antenna must vary only for adjustments, as when the orientation of the antenna must vary continuously to carry out a scan. .

Landscapes

  • Support Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP80401853A 1980-01-11 1980-12-23 Support d'antenne orientable et son utilisation Expired EP0032340B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8000611A FR2473796A1 (fr) 1980-01-11 1980-01-11 Support d'antenne orientable et antenne equipee d'un tel support
FR8000611 1980-01-11

Publications (2)

Publication Number Publication Date
EP0032340A1 EP0032340A1 (fr) 1981-07-22
EP0032340B1 true EP0032340B1 (fr) 1983-07-27

Family

ID=9237460

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80401853A Expired EP0032340B1 (fr) 1980-01-11 1980-12-23 Support d'antenne orientable et son utilisation

Country Status (5)

Country Link
US (1) US4379297A (ja)
EP (1) EP0032340B1 (ja)
JP (1) JPS6138252Y2 (ja)
DE (1) DE3064458D1 (ja)
FR (1) FR2473796A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59172806A (ja) * 1983-03-22 1984-09-29 Maspro Denkoh Corp パラボラアンテナ
JPH087685Y2 (ja) * 1985-03-01 1996-03-04 三菱電機株式会社 アンテナマウント
US4656486A (en) * 1985-07-12 1987-04-07 Turner Allan L Satellite TV dish antenna support
US4710778A (en) * 1985-08-07 1987-12-01 Radov Mitchell C Satellite earth station
EP0227930B1 (de) * 1985-11-15 1990-08-08 Siemens Aktiengesellschaft Tragegestell für eine Satellitenfunk-Parabolreflektorantenne
US4783662A (en) * 1986-02-18 1988-11-08 Delta Satellite Corportion Polar mount for satellite dish antenna
US4799642A (en) * 1987-02-03 1989-01-24 Rt/Katek Communications Group, Inc. Antenna mounting
GB2215135A (en) * 1988-02-06 1989-09-13 Varitrack Dbs Limited A support for a satellite tracking dish
GB2209095A (en) * 1987-08-25 1989-04-26 Varitrack D B S Limited Method of mounting a dished telecommunications receiver
EP0291268A3 (en) * 1987-05-11 1989-10-18 Varitrack Dbs Limited Mountings for telecommunications dishes
US5829724A (en) * 1996-03-22 1998-11-03 Rohn Industries, Inc. Antenna-mounting structure
GB0030931D0 (en) * 2000-12-19 2001-01-31 Radiant Networks Plc Support structure for antennas, transceiver apparatus and rotary coupling
KR101869756B1 (ko) 2012-04-12 2018-06-21 주식회사 케이엠더블유 이동통신 시스템용 가변 빔 제어 안테나
CN105952860B (zh) * 2016-05-13 2018-06-22 北京空间飞行器总体设计部 一种双四连杆重复展收机构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979572A (en) * 1962-09-10 1965-01-06 Marconi Co Ltd Improvements in or relating to aerial mountings
US3646564A (en) * 1969-03-03 1972-02-29 Raytheon Co Antenna slew system
DE2809158A1 (de) * 1978-03-03 1979-09-06 Dornier System Gmbh Vorrichtung zur lagerung von um zwei sich kreuzende achsen ausrichtbaren geraeten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2556026A (en) * 1949-10-19 1951-06-05 Byron A Carlisle Rotatable directive antenna
US3158866A (en) * 1962-03-28 1964-11-24 Joseph C Powers Universally adjustable antenna support
FR2044624A1 (ja) * 1969-02-28 1971-02-26 Camusat Gueguen France
US4251819A (en) * 1978-07-24 1981-02-17 Ford Aerospace & Communications Corp. Variable support apparatus
US4235405A (en) * 1979-03-23 1980-11-25 ENG Helicopter Satellites, Ltd. Support apparatus for a camera

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979572A (en) * 1962-09-10 1965-01-06 Marconi Co Ltd Improvements in or relating to aerial mountings
US3646564A (en) * 1969-03-03 1972-02-29 Raytheon Co Antenna slew system
DE2809158A1 (de) * 1978-03-03 1979-09-06 Dornier System Gmbh Vorrichtung zur lagerung von um zwei sich kreuzende achsen ausrichtbaren geraeten

Also Published As

Publication number Publication date
FR2473796B1 (ja) 1984-05-04
EP0032340A1 (fr) 1981-07-22
JPS6138252Y2 (ja) 1986-11-05
DE3064458D1 (en) 1983-09-01
FR2473796A1 (fr) 1981-07-17
JPS56108601U (ja) 1981-08-22
US4379297A (en) 1983-04-05

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