EP2712019A1 - Device for attaching a radome to a parabolic reflector of an antenna - Google Patents
Device for attaching a radome to a parabolic reflector of an antenna Download PDFInfo
- Publication number
- EP2712019A1 EP2712019A1 EP12306151.7A EP12306151A EP2712019A1 EP 2712019 A1 EP2712019 A1 EP 2712019A1 EP 12306151 A EP12306151 A EP 12306151A EP 2712019 A1 EP2712019 A1 EP 2712019A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- radome
- reflector
- antenna
- upper reinforcement
- cylinder
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 29
- 210000003423 ankle Anatomy 0.000 claims description 7
- 239000003989 dielectric material Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 abstract description 5
- 230000013011 mating Effects 0.000 abstract 1
- 239000002861 polymer material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Aerials (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Description
La présente invention se rapporte à un dispositif pour la fixation d'un radôme sur un réflecteur, destiné à être utilisé dans des antennes à réflecteur concave ayant par exemple la forme d'au moins une portion de parabole, le réflecteur pouvant être éventuellement muni d'une jupe.The present invention relates to a device for fixing a radome on a reflector, intended to be used in concave reflector antennas having for example the shape of at least a parabola portion, the reflector possibly being provided with 'a skirt.
Les antennes à réflecteur parabolique sont habituellement utilisées pour les réseaux de communication mobile. Une telle antenne comporte un réflecteur principal présentant une concavité ayant par exemple la forme d'un paraboloïde de révolution autour de l'axe de symétrie de l'antenne, et un dispositif d'alimentation situé le long de l'axe de symétrie de l'antenne pour transmettre les ondes électromagnétiques émises ou reçues par l'antenne.Parabolic reflector antennas are usually used for mobile communication networks. Such an antenna comprises a main reflector having a concavity having for example the shape of a paraboloid of revolution about the axis of symmetry of the antenna, and a feeding device located along the axis of symmetry of the antenna. antenna for transmitting electromagnetic waves transmitted or received by the antenna.
On y associe un radôme qui présente une surface protectrice imperméable cloisonnant l'espace défini par le réflecteur vis-à-vis de l'extérieur. Ce radôme peut être souple ou rigide. Un radôme plat rigide, le plus utilisé actuellement, présente l'avantage d'une bonne résistance vis-à-vis de l'environnement climatique extérieur tel que pluie, vent ou neige. Il est donc indispensable d'assurer une fixation solide capable de résister notamment à la pression du vent, en particulier pour les réflecteurs de diamètre important. Le système de fixation doit aussi permettre une démontage/remontage rapide et sans dégradation du radôme sur le réflecteur.A radome is associated with an impervious protective surface which partitions the space defined by the reflector vis-à-vis the outside. This radome can be flexible or rigid. A rigid flat radome, the most used at present, has the advantage of good resistance to the external climatic environment such as rain, wind or snow. It is therefore essential to ensure a solid attachment able to withstand wind pressure, particularly for reflectors of large diameter. The fastening system must also allow rapid disassembly / reassembly and without degradation of the radome on the reflector.
Un radôme plat, relativement rigide, est le plus souvent fixé sur le réflecteur au moyen de différents dispositifs ayant en commun de nécessiter une pluralité de vis ou boulons placées sur la périphérie du radôme. Afin de respecter les normes de résistance aux conditions environnementales, le nombre de boulons est élevé. Toutefois la présence d'une telle quantité de boulons métalliques et les aspérités qu'ils forment sur le radôme peuvent entrainer une dégradation des performances radioélectriques de l'antenne.A flat radome, relatively rigid, is most often fixed on the reflector by means of different devices having in common to require a plurality of screws or bolts placed on the periphery of the radome. In order to meet the standards of resistance to environmental conditions, the number of bolts is high. However, the presence of such a quantity of metal bolts and the asperities they form on the radome can cause degradation of the radio performance of the antenna.
La présente invention a pour but d'éliminer les inconvénients de l'art antérieur, et en particulier de proposer un dispositif pour la fixation d'un radôme plat et rigide sur un réflecteur à ouverture circulaire qui mette en oeuvre une moindre quantité de moyens de fixation, tels que vis, goupilles, boulons, etc..., que les systèmes connus, tout en réalisant une fixation fiable et résistante aux contraintes environnementales.The present invention aims to eliminate the disadvantages of the prior art, and in particular to provide a device for fixing a flat and rigid radome on a circular aperture reflector which implements a smaller amount of means of fixing, such as screws, pins, bolts, etc ..., as known systems, while achieving a reliable and resistant to environmental constraints.
L'invention a aussi comme but de proposer un dispositif de fixation adapté à la fixation d'un radôme constitué d'un matériau rigide tel qu'un matériau non-thermoformable, par exemple un matériau peu dense de type multicouche ou « nid d'abeille ».The invention also aims to propose a fastening device adapted to the fixation of a radome consisting of a rigid material such as a non-thermoformable material, for example a low density multilayer material or "nest of bee ".
L'invention a encore pour but de proposer un dispositif de fixation qui soit en outre peu coûteux et facile à mettre en oeuvre, que ce soit au montage ou au démontage.The invention also aims to provide a fixing device which is also inexpensive and easy to implement, whether mounting or disassembly.
L'objet de la présente invention est un dispositif de fixation d'un radôme plan rigide sur un réflecteur d'antenne à ouverture circulaire comprenant,
- un renfort supérieur appliqué sur une face du radôme tournée vers l'extérieur et recouvrant la tranche périphérique du réflecteur et du radôme,
- un renfort inférieur placé contre une face du réflecteur opposée au radôme, et
- une pièce intercalaire rigide comportant solidairement une semelle disposée entre le réflecteur et le radôme, au moins un cylindre laissant un passage traversant pour un moyen de fixation du radôme sur le réflecteur, et au moins une cheville coopérant avec le radôme.
- an upper reinforcement applied to one face of the radome facing outwards and covering the peripheral edge of the reflector and the radome,
- a lower reinforcement placed against one face of the reflector opposite to the radome, and
- a rigid intermediate piece integrally comprising a sole disposed between the reflector and the radome, at least one cylinder leaving a through passage for a radome fixing means on the reflector, and at least one peg cooperating with the radome.
Selon un premier aspect, le renfort supérieur recouvre la partie supérieure de la cheville.According to a first aspect, the upper reinforcement covers the upper part of the ankle.
Selon un deuxième aspect, le renfort supérieur comporte un orifice pour le passage du cylindre.According to a second aspect, the upper reinforcement comprises an orifice for the passage of the cylinder.
Selon un troisième aspect, le cylindre a la forme d'un tube creux traversant la semelle et apte à s'insérer dans un orifice du renfort supérieur.According to a third aspect, the cylinder has the shape of a hollow tube passing through the soleplate and adapted to be inserted into an orifice of the upper reinforcement.
Selon un quatrième aspect, la distance séparant une cheville d'un cylindre ou d'une cheville adjacente est constante.According to a fourth aspect, the distance separating an ankle from an adjacent cylinder or ankle is constant.
Selon un cinquième aspect, la pièce intercalaire est en matériau diélectrique.According to a fifth aspect, the insert is made of dielectric material.
Selon un sixième aspect, le moyen de fixation du radôme sur le réflecteur est un boulon muni d'un écrou.According to a sixth aspect, the radome fixing means on the reflector is a bolt provided with a nut.
Ce dispositif de fixation a comme avantage de permettre de ne pas diminuer le nombre de trous utilisé habituellement pour la fixation du radôme, donc de conserver la solidité de la liaison entre le radôme et le dispositif de fixation, tout en réduisant le risque de perturber le fonctionnement radioélectrique de l'antenne. De plus le nombre de boulons à mettre en place est moindre, ce qui permet un gain de temps significatif lors de l'installation de l'antenne.This attachment device has the advantage of not reducing the number of holes usually used for fixing the radome, thus to maintain the strength of the connection between the radome and the fixing device, while reducing the risk of disturbing the radio operation of the antenna. In addition, the number of bolts to be put in place is smaller, which allows a significant time saving during the installation of the antenna.
L'invention a encore pour objet une antenne comportant un réflecteur à ouverture circulaire, un radôme plan rigide et un dispositif de fixation du radôme sur le réflecteur, le radôme comprenant une pluralité de trou répartis à sa périphérie, dans laquelle seulement une partie des trous du radôme sont utilisés pour le passage d'un moyen de fixation. De préférence, un tiers seulement des trous du radôme sont utilisés pour le passage du moyen de fixation.The invention further relates to an antenna comprising a circular aperture reflector, a rigid plane radome and a device for fixing the radome on the reflector, the radome comprising a plurality of holes distributed around its periphery, in which only a part of the holes radome are used for the passage of a fastening means. Preferably, only one third of the holes in the radome are used for the passage of the fixing means.
Selon un autre aspect, la tranche des bords périphériques du réflecteur et du radôme est recouverte par le renfort supérieur du dispositif de fixation, le renfort supérieur étant appliqué sur la face du radôme tournée vers l'extérieur,In another aspect, the edge of the peripheral edges of the reflector and the radome is covered by the upper reinforcement of the fixing device, the upper reinforcement being applied to the face of the radome facing outwards,
D'autres caractéristiques et avantages apparaîtront à la lecture de la description qui suit d'un mode de réalisation, donné bien entendu à titre illustratif et non limitatif, et dans le dessin annexé sur lequel
- la
figure 1 illustre une vue en perspective d'un réflecteur parabolique d'antenne muni d'un radôme plan rigide assemblé au moyen d'un dispositif de fixation, - la
figure 2 illustre une vue en coupe transversale selon A-A du bord de l'antenne au niveau d'un moyen de fixation, - la
figure 3 illustre une vue de détaillée d'une pièce intercalaire du dispositif de fixation. - la
figure 4 illustre une vue en coupe longitudinale selon B-B d'une zone de fixation du radôme sur le réflecteur au voisinage d'un moyen de fixation, - la
figure 5 illustre une autre vue en coupe parallèle à A-A du bord de l'antenne au niveau d'une cheville.
- the
figure 1 illustrates a perspective view of an antenna parabolic reflector provided with a rigid planar radome assembled by means of a fixing device, - the
figure 2 illustrates a cross-sectional view along AA of the edge of the antenna at a fixing means, - the
figure 3 illustrates a detailed view of a spacer part of the fixing device. - the
figure 4 illustrates a longitudinal sectional view along BB of an attachment zone of the radome on the reflector in the vicinity of a fixing means, - the
figure 5 illustrates another sectional view parallel to AA of the edge of the antenna at an ankle.
Sur ces figures, les éléments identiques portent les mêmes numéros de référence.In these figures, the identical elements bear the same reference numbers.
Dans le mode de réalisation illustré sur la
Dans ce mode de réalisation, le nombre de boulons 3, par exemple ici vingt quatre boulons, est moindre que dans les antennes connues de même diamètre qui comportent habituellement soixante douze boulons pour présenter la tenue mécanique nécessaire. Un radôme de ce type comporte donc habituellement soixante douze trous régulièrement espacés sur toute la périphérie. Dans le cas présent, un trou sur trois seulement reçoit un moyen de fixation tel qu'un boulon 3. In this embodiment, the number of
La
La pièce intercalaire 8 est illustrée en détail sur la
Le cylindre 10 a la forme d'un tube creux d'axe X-X' qui traverse la semelle 9. Le diamètre extérieur du cylindre 10 est adapté au diamètre des trous ménagés dans le radôme 2. Ici le diamètre extérieur du cylindre est par exemple de 7 mm. Le renfort supérieur 4 comporte aussi un orifice pour le passage du cylindre 10. Entre les chevilles 11, la semelle 9 est perforée et l'orifice communique avec l'intérieur tubulaire du cylindre 10 de manière à permettre le passage d'un boulon 4 à travers la pièce intercalaire 8. Le cylindre 10 est placé au droit d'un trou ménagé dans le réflecteur 1, afin de pouvoir y insérer la tige filetée d'un boulon 3, par exemple de 5 mm de diamètre, le cylindre 10 lui servant alors de guide.The
Des chevilles 11 sont disposées à chaque extrémité de la semelle 9 à une distance d égale de part et d'autre du cylindre 10. On comprend que dans ce cas la longueur de la semelle est au moins un peu supérieure à 2d. La cheville 11 a la forme d'un cylindre, d'axe Y-Y', qui peut être plein ou évidé selon la technique de fabrication utilisée, posé sur la semelle 9 dont elle est solidaire. Le diamètre extérieur de la cheville 11 est adapté au diamètre des trous ménagés dans le radôme 2. Ici le diamètre extérieur des chevilles 11, par exemple 7 mm, est du même ordre de grandeur que leur hauteur au-dessus de la semelle 9. La surface externe de la cheville 11 est pourvue de reliefs rainurés 12 qui ont pour fonction de maintenir en place le radôme 2 en empêchant sont glissement. Lors du montage de l'antenne, les chevilles 11 sont enfoncées en force dans les trous du radôme 2 dont le matériau est très légèrement plus souple que les chevilles 11. Une fois en place les reliefs rainurés 12 exercent une pression sur les parois du trou, empêchant tout déplacement non souhaité.
Comme illustré en coupe longitudinale selon B-B sur la
Dans le cas présent, le nombre de trous dans le radôme 2 et la distance séparant les trous existants dans le radôme 2 sont les mêmes que dans l'art antérieur où tous ces trous étaient destinés à accueillir un boulon. Ainsi la distance d séparant une cheville 11 du cylindre 10 correspond à l'intervalle entre deux trous successifs du radôme 2. Dans ce mode de réalisation, seul un trou sur trois accueille un boulon 3, guidé par le cylindre 10, et les trous situés de part et d'autre permettent le passage des chevilles 11. D'autres pièces intercalaires 13 analogues peuvent être placées de part et d'autre de la pièce intercalaire 8 afin de couvrir toute la circonférence du radôme 2. Les pièces intercalaires 13 portent de la même façon des cylindres tubulaires (non représenté) et des chevilles 14 qui sont situées à une distance d des chevilles 11 adjacentes appartenant à la pièce intercalaire 8. In this case, the number of holes in the
Une vue en coupe parallèlement à A-A au niveau d'une cheville 11 est illustrée sur la
Le mode de réalisation qui vient d'être décrit s'applique au cas où on utilise un radôme circulaire de type connu. Toutefois des radômes peuvent être fabriqués de manière à être adaptés à ce dispositif de fixation, et notamment les trous peuvent ne plus être régulièrement espacés mais regroupés pour correspondre à la forme de la pièce intercalaire. Par exemple le radôme pourrait porter des groupes de trois trous espacés d'une distance d1, chaque groupe de trous étant distant de d2 des groupes adjacents, avec d2 supérieur à d1. Dans ce cas, si on a d1 = 14 mm et d2 = 128 mm, la longueur de la semelle pourra être de 50 mm par exemple.The embodiment which has just been described applies to the case where a circular radome of known type is used. However radomes can be made to be adapted to this fixing device, and in particular the holes may not be regularly spaced but grouped to match the shape of the insert. For example the radome could carry groups of three holes spaced apart by a distance d1, each group of holes being distant from d2 groups adjacent, with d2 greater than d1. In this case, if d1 = 14 mm and d2 = 128 mm, the length of the sole may be 50 mm for example.
Bien entendu, la présente invention n'est pas limitée aux modes de réalisation décrits, mais elle est susceptible de nombreuses variantes accessibles à l'homme de l'art sans que l'on s'écarte de l'esprit de l'invention. En particulier, on pourra sans sortir du cadre de l'invention modifier le nombre de cylindres et/ou le nombre de chevilles portés par chaque pièce intercalaire. On pourra aussi modifier les espacements entre les chevilles et les cylindres et/ou les chevilles adjacentes.Of course, the present invention is not limited to the described embodiments, but it is capable of many variants accessible to those skilled in the art without departing from the spirit of the invention. In particular, without departing from the scope of the invention change the number of cylinders and / or the number of pins carried by each insert. It will also be possible to modify the spacings between the pins and the cylinders and / or the adjacent dowels.
Claims (10)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12306151.7A EP2712019B1 (en) | 2012-09-24 | 2012-09-24 | Device for attaching a radome to a parabolic reflector of an antenna |
US14/430,663 US9768489B2 (en) | 2012-09-24 | 2013-09-23 | Joining device for fastening a radome onto an antenna reflector |
PCT/IB2013/058771 WO2014045253A2 (en) | 2012-09-24 | 2013-09-23 | Joining device for fastening a radome onto an antenna reflector |
CN201380049492.7A CN104685712B (en) | 2012-09-24 | 2013-09-23 | Joining device for fastening a radome onto an antenna reflector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12306151.7A EP2712019B1 (en) | 2012-09-24 | 2012-09-24 | Device for attaching a radome to a parabolic reflector of an antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2712019A1 true EP2712019A1 (en) | 2014-03-26 |
EP2712019B1 EP2712019B1 (en) | 2017-11-22 |
Family
ID=47049105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12306151.7A Active EP2712019B1 (en) | 2012-09-24 | 2012-09-24 | Device for attaching a radome to a parabolic reflector of an antenna |
Country Status (4)
Country | Link |
---|---|
US (1) | US9768489B2 (en) |
EP (1) | EP2712019B1 (en) |
CN (1) | CN104685712B (en) |
WO (1) | WO2014045253A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3001504A1 (en) * | 2014-09-24 | 2016-03-30 | Alcatel- Lucent Shanghai Bell Co., Ltd | Assembly device for attaching an element provided with a flat flange on a substrate |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107968260A (en) * | 2017-12-26 | 2018-04-27 | 广东盛路通信科技股份有限公司 | A kind of antenna house |
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US3351947A (en) * | 1965-02-17 | 1967-11-07 | Mark Products Company | Shrouded parabolic antenna structure |
JP2002064318A (en) * | 2000-08-23 | 2002-02-28 | Nippon Dengyo Kosaku Co Ltd | Antenna |
EP1612139A1 (en) * | 2004-06-29 | 2006-01-04 | AIRBUS France | Device and method for mouting the radome of an aircraft |
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JP2616310B2 (en) * | 1991-09-19 | 1997-06-04 | 三菱電機株式会社 | Fixing structure of fiber reinforced membrane |
US7138958B2 (en) | 2004-02-27 | 2006-11-21 | Andrew Corporation | Reflector antenna radome with backlobe suppressor ring and method of manufacturing |
EP1887654A4 (en) * | 2005-06-02 | 2008-10-15 | Sumitomo Electric Industries | Radio wave lens antenna apparatus |
DE102008052355A1 (en) * | 2008-10-20 | 2010-04-22 | Atlas Elektronik Gmbh | Underwater antenna |
CN102232258B (en) * | 2008-12-05 | 2014-03-12 | 日本电气株式会社 | Antenna device and communication device provided therewith |
CN201369389Y (en) * | 2009-01-13 | 2009-12-23 | 广东盛路通信科技股份有限公司 | Shielding ring structure capable of increasing front-to-back ratio of antenna |
JP5308238B2 (en) * | 2009-05-28 | 2013-10-09 | 日本無線株式会社 | Protective case waterproof structure |
US8077113B2 (en) * | 2009-06-12 | 2011-12-13 | Andrew Llc | Radome and shroud enclosure for reflector antenna |
US8259028B2 (en) | 2009-12-11 | 2012-09-04 | Andrew Llc | Reflector antenna radome attachment band clamp |
US9083083B2 (en) * | 2009-12-11 | 2015-07-14 | Commscope Technologies Llc | Radome attachment band clamp |
JP2011249959A (en) * | 2010-05-25 | 2011-12-08 | Yagi Antenna Co Ltd | Water immersion resistance structure of antenna unit with cover protector |
CN201859944U (en) * | 2010-09-07 | 2011-06-08 | 京信通信系统(中国)有限公司 | Microwave antenna and outer housing thereof |
US9050692B2 (en) * | 2011-10-24 | 2015-06-09 | Commscope Technologies Llc | Method and apparatus for radome and reflector dish interconnection |
-
2012
- 2012-09-24 EP EP12306151.7A patent/EP2712019B1/en active Active
-
2013
- 2013-09-23 WO PCT/IB2013/058771 patent/WO2014045253A2/en active Application Filing
- 2013-09-23 US US14/430,663 patent/US9768489B2/en active Active
- 2013-09-23 CN CN201380049492.7A patent/CN104685712B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3351947A (en) * | 1965-02-17 | 1967-11-07 | Mark Products Company | Shrouded parabolic antenna structure |
JP2002064318A (en) * | 2000-08-23 | 2002-02-28 | Nippon Dengyo Kosaku Co Ltd | Antenna |
EP1612139A1 (en) * | 2004-06-29 | 2006-01-04 | AIRBUS France | Device and method for mouting the radome of an aircraft |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3001504A1 (en) * | 2014-09-24 | 2016-03-30 | Alcatel- Lucent Shanghai Bell Co., Ltd | Assembly device for attaching an element provided with a flat flange on a substrate |
Also Published As
Publication number | Publication date |
---|---|
US9768489B2 (en) | 2017-09-19 |
EP2712019B1 (en) | 2017-11-22 |
CN104685712A (en) | 2015-06-03 |
CN104685712B (en) | 2017-01-18 |
US20150249281A1 (en) | 2015-09-03 |
WO2014045253A3 (en) | 2014-05-22 |
WO2014045253A2 (en) | 2014-03-27 |
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