EP0007831A1 - Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen - Google Patents

Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen Download PDF

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Publication number
EP0007831A1
EP0007831A1 EP79400456A EP79400456A EP0007831A1 EP 0007831 A1 EP0007831 A1 EP 0007831A1 EP 79400456 A EP79400456 A EP 79400456A EP 79400456 A EP79400456 A EP 79400456A EP 0007831 A1 EP0007831 A1 EP 0007831A1
Authority
EP
European Patent Office
Prior art keywords
azimuth
reflector
elevation
movable
plate
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.)
Granted
Application number
EP79400456A
Other languages
English (en)
French (fr)
Other versions
EP0007831B1 (de
Inventor
Yves Le Nevez
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Publication of EP0007831A1 publication Critical patent/EP0007831A1/de
Application granted granted Critical
Publication of EP0007831B1 publication Critical patent/EP0007831B1/de
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 invention relates to the adjustment of wave reflectors, such as those used in particular for radio links, called passive reflectors in the far field.
  • a passive reflector is said to be "in the far field" when its distance to one or the other of the antennas of the radio link is at least equal to 2 D 2 / ⁇ , D being the diameter or the vertical dimension of the opening la larger: antenna or passive.
  • the passive reflector in far field is used in the case where the optical visibility between the two active ends to be joined by the radio link does not exist, and where the link budget is such that a reflector of relatively small dimensions allows to obtain a sufficient margin and therefore a good quality of connection.
  • the passive reflector is used to cross ridges separating two points which are often not far from each other in the horizontal plane.
  • the use of the passive reflector is advantageous, since it requires practically no maintenance and above all it avoids the construction of a station with active relay in hard to reach places.
  • the passive reflector is often used to directly access the telephone exchange in a city when it is not directly visible from the other end of the radio link. Such an arrangement avoids the construction of a terminal radio station and the transfer of signals received by cables to the telephone exchange.
  • Such a passive reflector usually consists of a non-deformable metallic flat panel (generally made of aluminum alloy which combines lightness, good conductivity and unalterability over time) installed on a pylon with the interposition of support means adjustable along two perpendicular pivot axes. , one to be able to obtain the site and the other the desired azimuth.
  • a calculated predetermination of the site for the setting may be suitable, while an associated azimuth setting with the compass gives way to trial and error in search of the best performance which are long and immobilize maneuvering personnel.
  • the subject of the present invention is a relatively inexpensive device making it possible to advantageously establish such settings quickly and easily.
  • the device according to the invention for adjusting the orientation in azimuth and in elevation of a wave reflector is characterized in that it comprises a fixing plate on a reference surface of the reflector , a cradle secured to the plate and supporting a pivoting element movable in the adjustment site plane at a readable angle with respect to the cradle, said movable element in elevation supporting an element mounted to rotate about an axis perpendicular to the axis of pivoting in elevation and constituting a movable element in azimuth at a readable angle relative to the movable element in elevation, said movable element in azimuth carrying a telescopic riflescope, and the mobile item in elevation and azimuth carrying a level with bubble allowing to bring the reflector to the site displayed by jamming of the bubble, as well as to establish by adjustment of fixing of the plate on the reflector the verticality of the axis of pivoting in azimuth, in order to bring the e reflector in the desired azimut
  • a reflective panel intended to serve as a passive relay between two stations S 1 and S 2 has been shown at R on a scale considerably enlarged compared to the rest of the figure.
  • C a point on the panel R corresponding to the fixing zone on it of the device object of the invention, and we have designated by 0 the projection of C in a horizontal plane which is that of the x coordinates and y of the map of the places, at the altitude in Z supposed to be that of the station S 2 (S ' 1 being the intersection this CS 1 with the same plane) of output as ⁇ 1 and ⁇ 2 correspond to the elevation angles under which the reflector is seen from stations S 1 and S 2 .
  • This reflector must be adjusted in azimuth perpendicular to the bisector CI of the angle S 1 CS 2 and in elevation according to the angle ⁇ 3 equal to the angle ⁇ ' 3 under which it would be seen from point I.
  • the projection 01 of the bisector CI on the horizontal plane is not the bisector OI 'of the angle S 2 OS' 1 equal to 2 ⁇ (measurable on the map or calculable) and does with it a angle ⁇ .
  • the calculation of the site angle ⁇ 3 of the reflector and of ⁇ gives the following results: the signs giving the meaning of ⁇ , and ⁇ 1 and ⁇ 2 can be measured or calculated from the topographic data of points C, S 1 and S 2 .
  • the orientation adjustment device shown in FIGS. 2 and 3 comprises a plate 1 with a square profile on which two spaced U-shaped flanges 2 and 3 are fixed by screws, matching said square profile and one of the branches of which is crossed by a threaded rod 4 provided with an operating button 5 and a shoe clamp 6 intended to allow the fixing of the plate 1 in a position where it marries the upper edge of the reflector panel R, or even a localized reference surface of the plane thereof.
  • the flanges 2 and 3 are also each provided in the central branch of the overlapping U of the panel they form, with a screw 7 with pad 8 freely passing through the plate 1 and which is provided with an operating button 9 in view to allow, as will be seen, an adjustment of horizontality of the device in the plane of the reflective panel.
  • a cradle 10 pivotally supporting along the arc of the joint plane 11 (see fig. 2) to which corresponds a virtual pivot axis P, an element 12 movable in the adjustment site plan considering the device attached to the reflector panel.
  • This element 12 can be moved around the virtual axis P by means of a manual control with a button 13 driving a usual mechanism not shown, with tangent screw secured to said button and journalling in the cradle 10 as well as cooperating with an arc of tangent wheel with center P secured to said element 12.
  • the angular position of the latter relative to the cradle 10 can be read by means of a graduation such as 14 formed on one of the parts 10-12 ′, the other carries a reading vernier 14a.
  • Finer divisions of this graduation can alternatively be provided on the fixed bearing of the above tangent screw, opposite the adjacent edge of the button 13 provided with a reading index.
  • an element 15 constituting movable element in azimuth.
  • This element 15 can be moved around the virtual axis V by means of a manual control with a button 16 driving a usual mechanism, not shown, with a tangent screw secured to said button and rotating in the element 12 as well as cooperating with a wheel.
  • tangent of axis V integral with the element 15.
  • the angular position of the latter relative to the element 12 is readable using a peripheral scale such as 17 provided on one of the parts 12-15, of which the other wears a reading vernier 17a.
  • a peripheral scale such as 17 provided on one of the parts 12-15, of which the other wears a reading vernier 17a.
  • a yoke 18 between the rising branches of which is articulated support, by the axes 19 and 20 of which it is integral, a collar 21 for tightening a telescopic sight 22, movable in site between the branches of the yoke 18 and maneuvered using a button 23 integral with said axis 20.
  • the plate 1 is brought into position on the upper edge of the panel, the flatness of which it follows by its falling wing and, before being immobilized by clamping on the panel of the pads 6, the horizontality of the device in the plane of the panel is ensured by turning the movable element 15 by an angle straight with respect to its position in FIGS. 2 and 3, so as to bring the bubble level 24 in parallel with the upper edge of the panel, so that by wedging the bubble between its marks using the screws 7 with skid 'Support 8 establishes the desired horizontality, the element 15 can be brought for this operation approximately vertically. The plate can then be immobilized using the pads 6.
  • Reiterations can be provided in elevation and azimuth to refine the adjustment that the device according to the invention makes it possible to obtain much more simply and quickly than with the methods hitherto known.

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  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP79400456A 1978-07-19 1979-07-04 Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen Expired EP0007831B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7821452 1978-07-19
FR7821452A FR2431775A1 (fr) 1978-07-19 1978-07-19 Dispositif pour le reglage d'orientation en azimut et en site d'un reflecteur d'ondes

Publications (2)

Publication Number Publication Date
EP0007831A1 true EP0007831A1 (de) 1980-02-06
EP0007831B1 EP0007831B1 (de) 1983-05-11

Family

ID=9210922

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79400456A Expired EP0007831B1 (de) 1978-07-19 1979-07-04 Vorrichtung zur Einstellung des Seiten- und Höhen-Winkels eines Reflektors für elektromagnetische Wellen

Country Status (4)

Country Link
US (1) US4269508A (de)
EP (1) EP0007831B1 (de)
DE (1) DE2965359D1 (de)
FR (1) FR2431775A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124375A (en) * 1982-07-19 1984-02-15 Stolle Corp Antenna alignment gage
EP0237433A1 (de) * 1986-03-11 1987-09-16 CENTRE NATIONAL D'ETUDES SPATIALES (C.N.E.S.) Etablissement public, scientifique et Einheit zur Eichung des Elevations- und Azimutswinkels der radioelektrischen Achse einer Antenne
FR2741720A1 (fr) * 1995-11-23 1997-05-30 Jv Electronique Sa Systeme de pointage d'antenne par satellite geostationnaire

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9408343U1 (de) * 1994-05-20 1994-09-22 DELEGA GROUP Management S.A., Genf/Genève Satellitenantenne
FR2791182B1 (fr) * 1999-03-17 2002-06-14 Ded Lyon Embase servant a la mise en place d'une antenne sur une paroi verticale, notamment sur la facade d'un immeuble
CN104697488B (zh) * 2015-04-02 2017-06-13 北京天源科创风电技术有限责任公司 一种平面法线方位角测量方法及其应用
JP2017090395A (ja) * 2015-11-17 2017-05-25 株式会社ミツトヨ 干渉対物レンズ及び参照面ユニットセット
CN106871859B (zh) * 2017-01-03 2020-07-03 电子科技大学 一种刚体空间定轴转动角度检测方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098554B (de) * 1957-09-28 1961-02-02 Joachim Skibowski Richtfunkverbindungsvorrichtung fuer Hoechstfrequenzen
US3060583A (en) * 1960-06-27 1962-10-30 Bell Telephone Labor Inc Compensating arrangements
DE1463009A1 (de) * 1963-12-19 1969-04-10 Zeiss Carl Fa Vorrichtung zur Einstellung oder Bestimmung der Richtung groesserer optischer oder radioastronomischer Teleskope
DE1808695A1 (de) * 1968-05-09 1969-12-04 Siemens Ag Albis Vorrichtung zum Anheben der Richtantenne eines Radargeraetes um einen bestimmten Winkel
DE1814585A1 (de) * 1968-12-13 1970-06-25 Elgeo Instr Of America Inc Geodaetisches Instrument
FR2350741A1 (fr) * 1976-05-07 1977-12-02 Thomson Csf Appareil pour le reglage de la position d'un reflecteur passif plan pour liaisons radioelectriques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1852166A (en) * 1929-09-24 1932-04-05 Kaster Spherant Company Position finder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098554B (de) * 1957-09-28 1961-02-02 Joachim Skibowski Richtfunkverbindungsvorrichtung fuer Hoechstfrequenzen
US3060583A (en) * 1960-06-27 1962-10-30 Bell Telephone Labor Inc Compensating arrangements
DE1463009A1 (de) * 1963-12-19 1969-04-10 Zeiss Carl Fa Vorrichtung zur Einstellung oder Bestimmung der Richtung groesserer optischer oder radioastronomischer Teleskope
DE1808695A1 (de) * 1968-05-09 1969-12-04 Siemens Ag Albis Vorrichtung zum Anheben der Richtantenne eines Radargeraetes um einen bestimmten Winkel
DE1814585A1 (de) * 1968-12-13 1970-06-25 Elgeo Instr Of America Inc Geodaetisches Instrument
FR2350741A1 (fr) * 1976-05-07 1977-12-02 Thomson Csf Appareil pour le reglage de la position d'un reflecteur passif plan pour liaisons radioelectriques

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124375A (en) * 1982-07-19 1984-02-15 Stolle Corp Antenna alignment gage
EP0237433A1 (de) * 1986-03-11 1987-09-16 CENTRE NATIONAL D'ETUDES SPATIALES (C.N.E.S.) Etablissement public, scientifique et Einheit zur Eichung des Elevations- und Azimutswinkels der radioelektrischen Achse einer Antenne
FR2595872A1 (fr) * 1986-03-11 1987-09-18 Centre Nat Etd Spatiales Ensemble d'etalonnage des angles d'elevation et d'azimut de l'axe radioelectrique d'une antenne
US4758840A (en) * 1986-03-11 1988-07-19 Centre National D'etudes Spatiales Means for calibrating the elevation and azimuth angles of the scan axis of an antenna
FR2741720A1 (fr) * 1995-11-23 1997-05-30 Jv Electronique Sa Systeme de pointage d'antenne par satellite geostationnaire

Also Published As

Publication number Publication date
FR2431775B1 (de) 1981-08-28
FR2431775A1 (fr) 1980-02-15
DE2965359D1 (en) 1983-06-16
US4269508A (en) 1981-05-26
EP0007831B1 (de) 1983-05-11

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