EP1176677A1 - Ensemble de connexion électrique, notamment pour réseaux locaux d'entreprises - Google Patents
Ensemble de connexion électrique, notamment pour réseaux locaux d'entreprises Download PDFInfo
- Publication number
- EP1176677A1 EP1176677A1 EP01402001A EP01402001A EP1176677A1 EP 1176677 A1 EP1176677 A1 EP 1176677A1 EP 01402001 A EP01402001 A EP 01402001A EP 01402001 A EP01402001 A EP 01402001A EP 1176677 A1 EP1176677 A1 EP 1176677A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- insert
- base
- assembly according
- electrical contacts
- connection
- 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.)
- Withdrawn
Links
- 230000000295 complement effect Effects 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000012216 screening Methods 0.000 abstract 2
- 241000446313 Lamella Species 0.000 abstract 1
- 239000012212 insulator Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 241001415961 Gaviidae Species 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
- H01R13/7039—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the coupling part with coding means activating the switch to establish different circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
Definitions
- the present invention relates to the field of electrical connectors. It applies in particular to connectors for local networks of companies to strong information flow.
- the first and second headings respectively group the connectors working at 100MHz and 250MHz. These connectors use cables of four pairs of 100 Ohms, see 120 Ohms, either unshielded or common shielding using metallic plastic tape twisted around the pairs. In some cases, a mass drain is added. Finally, in the best of cases EMC a braid is additionally arranged above the layer banded.
- the third section brings together the connectors working at 600MHz (1Gbit for local area networks) and capable of going up to 1.3 GHz or more for multimedia applications. It uses cables of four pairs of 100 Ohms see 120 Ohms. These pairs must be shielded separately by through metallic plastic tape. A common shield made up either additional tape, or a braid, or if necessary combination of such additional tape and braid, covers the pairs.
- connection devices hitherto proposed One of the problems posed by the connection devices hitherto proposed is that the diversity of connectors available today means that, on site, frequently finds incompatibility between connection sets (receptacle / sheet) offered and available.
- the main purpose of the present invention is to propose new connection means making it possible to simplify the connection in particular for local networks of companies with high data rates.
- a set of inserts is thus provided with different distributions of their contacts, adapted respectively to sets of complementary connections.
- the base carries at least one electrically conductive and elastic blade capable of ensure a ground connection between a shielding of the base and a shielding of the insert.
- one of the base or of the insert carries at least one component such as a component capable of operate a symmetrical / asymmetrical signal transformation.
- connection system essentially comprises a base 100 capable of receiving selectively an insert 200 chosen from a set of separate inserts available.
- FIG. 1 Schematically illustrated in Figure 1 a base 100 according to a preferred embodiment of the present invention.
- Base 100 is illustrated without its shielding in Figure 1.
- the base 100 comprises a body 110 generally parallelepiped. This can be made of electrically conductive material or even be made of thermoplastic material coated with an electric coating driver.
- the base 100 includes a series of electrical contacts 120. These are adapted to be connected to the conductors of at least one connection cable, in the rear part of the base 100, while being accessible on the base 100, in front part of it.
- the contacts 120 are carried in pairs respectively by an insulating body 130 each associated with an inserter 140.
- the body 110 of the base 100 has the shape of a cage rectangular 111 formed by an upper wall 112 and a lower wall 113 and of two side walls 114, 115.
- the two upper walls 112 and lower 113 each define two parallel rectangular rectilinear channels 116 intended for receive the front portion 132 of the insulators 130.
- the bottom wall 113 has near the opening contour of the base 100 a housing 117 adapted to receive additional locking teeth provided on a insert 200.
- Each of the two side walls 114, 115 defines a housing 118 capable of receive an electrically conductive blade 150 elastic capable of ensuring a electrical connection with the mass of the associated insert 200 to ensure continuity shielding.
- each blade 150 comprises a clamp 152 adapted for be engaged on the front edge of a side 114, 115 and which extends towards the rear by a corrugation 154 able to come into contact with an insert 200.
- the rear part of the base 100 has preferably the shape of a cross 160 forming a shield respectively between the four pairs of contacts.
- the cross 160 is formed by two membranes 162, 164 medians perpendicular to each other.
- this shielding, in rear part of the base 100 is completed by two lateral flanks 165, 166 which respectively extend the two side walls 114, 115 of the front part.
- the assembly is designed to receive four pairs of electrical contacts.
- the invention is not limited to this particular provision.
- the eight contacts 120 are arranged in pairs in four insulators 130 respectively at each corner of the parallelepiped cage 110.
- the base 100 is thus preferably permanently wired, thanks to the self-stripping contacts 128 with four pairs of cables preferably shielded separately.
- the rear part of the base 100 receiving the wiring by self-stripping contacts and inserter is mechanically closed and electro-mechanically by a conductive cover (not shown in the figures appended for simplicity of illustration) thus forming four tunnels each housing a pair of contacts, in cooperation with the aforementioned cruciform shield 160.
- the base 100 is capable of selectively receiving several types 200 inserts.
- the insert illustrated in FIG. 2 is typically an RJ45 type insert, or still category 6, 5th or 5 depending on the professional terminology used.
- the insert illustrated in FIG. 3 is typically a category 7 insert compatible with RJ45.
- Each insert 200 is preferably formed from a block 210 generally rectangular whose envelope is complementary to the internal volume of the chamber defined by the front part 110 of the base 100.
- the rear part of the insert 200 is provided with a cross conductive establishing on its face directed towards the base 100, a sealed contact electromagnetically with the cruciform part 160 of the base by a arrangement of contacts with baffle overlap.
- the face of the cross formed on the insert 200 directed towards the opening preferably also has a arrangement of contacts covered by a baffle intended to ensure continuity electromagnetic with the shielding of a plug intended to be coupled with the insert.
- Each insert 200 also carries a set of electrical contacts 220.
- each insert 200 carries four pairs of contacts electric 220.
- These electrical contacts 220 are adapted to come automatically into support against the electrical contacts 120 of the base 100 when engaging a insert 200 on the latter, while being themselves accessible on the insert 200. As indicated above, the distribution of electrical contacts 220 over the insert 200 is adapted to the arrangement of the connection assembly or plug complementary.
- the section 226 accessible inside the insert 200 is designed to come pressing against an associated electrical contact of the complementary plug.
- This section can be the subject of numerous embodiments. Note that according to the particular embodiment illustrated in Figure 7, the section 226 is formed of a elastic clip with two V-shaped arms.
- Each insert 200 also has a locking tab 230 having a toothing adapted to penetrate into the housing 117 of the base.
- Each insert 200 also has a faceplate or flange on the front face. 240 defining on its lateral edges two curvatures 242 designed to facilitate gripping and handling the insert 200 during its engagement in a base 100 and its withdrawal therefrom.
- each insert 200 is produced from a body of material electrically insulating while being coated with an electrically protective cover conductor forming mass.
- the arrangement of contacts 220 inside an insert can vary from one insert to another.
- the position of the first sections 222 is identical for all 200 inserts in order to ensure a correct connection with the base 100.
- the arrangement of the end sections 226 varies according to the configuration sought.
- the insert shown in Figure 2 and illustrated moreover in FIGS. 6 and 7, presents a single connection plane at the level of the internal face of its upper wall, on which all the sections are accessible 226 of the eight electrical contacts 220, as seen in particular in FIG. 6.
- the insert illustrated in FIG. 3 has two connection planes at the inner faces of the upper wall and the wall respectively bottom of the insert on each of which are respectively available four end sections 226 of contacts 220.
- the shape of the contacts 120 and 220 carried by the base 100 and the inserts 200 is advantageously adapted to compensate for the crosstalk effects undesirable.
- FIG. 8 Illustrated in FIG. 8 is an alternative embodiment of an insert comprising also four pairs of contacts 220 accessible on the upper wall and the lower wall in the form of sections comparable to the curved section 222 described previously and accessible inside the insert in the form of two pairs of male pins 228 and two pairs of female pins 229.
- This arrangement is given for illustration only and may also be subject to many configurations and variants.
- the compliant connection device to the present invention may also carry at least one component, in especially an electrical or electronic signal adaptation component.
- such a component can be formed of a signal balancing device which can be used for example for domestic cable or satellite television applications.
- a signal balancing device which can be used for example for domestic cable or satellite television applications.
- Such balun device is designed to provide signal transformation symmetrical between two wires available on a twisted pair towards a signal asymmetrical available on a coaxial cable between a central active wire and a ground or shielding, or vice versa from an asymmetric signal to a symmetrical signal.
- Such converter component allows for example to have a coaxial output to receive a signal from a video demultiplexer.
- such a component is generally formed by a transformer of coupling.
- FIG. 9 such a component is shown diagrammatically under the reference 300.
- this component 300 has on the rear a socket 310 coaxial compatible providing or receiving the asymmetrical signal and on the front a output in the form of two parallel wires 320, 322 supplying or receiving the signal symmetrical.
- the distance between the two wires 320, 322 corresponds to the distance between two contacts 128 of the base.
- Such a component 300 can be housed for example in the base 100 in the rear part thereof as illustrated in FIG. 9.
- the contact between the component 300 and the contacts 120 of the base is automatically ensured by insertion of wires 320, 322 into the insulation-displacement contacts 128 adapted.
- a video signal arriving on the coaxial cable and on the socket 310 is transformed by component 300 into a symmetrical signal emerging from one of the four pairs of the base 100.
- four associated symmetrization devices can be provided respectively to each of the contact pairs.
- the component adaptation 300 operating a symmetrical / asymmetrical conversion is no longer planned on the base 100 but selectively on each of the inserts 200. More specifically, according to the variant illustrated in FIG. 10, the component 300 is placed in a cavity in the rear part of an insert 200 between the two sections 222 and the two sections 226 of a pair of adjacent contacts 220.
- the coaxial cable can be connected to contacts 128 by example by placing the stripped core of the coaxial cable in a self-stripping contact 128 and by welding an additional terminal wire engaged with the other contact self-stripping 128, on the braid of the coaxial cable.
- this adaptation of the coaxial cable can be made using a specific component 350 designed to provide a transition between two parallel wires 352, 354 a pair of contacts 128 on the one hand and a coaxial output or input on the other hand, on the other side.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
- une embase comportant des contacts électriques adaptés pour être raccordés aux conducteurs d'au moins un câble de raccordement tout en étant accessibles sur l'embase, et
- un insert susceptible d'être fixé mécaniquement sur l'embase et possédant lui-même des contacts électriques adaptés pour venir automatiquement en appui contre les contacts électriques de l'embase lors de l'engagement de l'insert sur cette dernière, tout en étant eux-mêmes accessibles sur l'insert selon une répartition sélective adaptée à la disposition d'un ensemble de connexion complémentaire.
- la figure 1 représente une vue schématique en perspective d'une embase conforme à un mode de réalisation préférentiel de la présente invention,
- les figures 2 et 3 représentent des vues en perspective de deux inserts conformes à des variantes de la présente invention,
- la figure 4 représente une vue schématique en perspective éclatée d'une embase conforme à la présente invention,
- la figure 5 représente une vue arrière en perspective de la même embase,
- la figure 6 représente une autre vue en perspective de l'insert conforme à la variante illustrée sur la figure 2,
- la figure 7 représente une vue en perspective éclatée du même insert,
- la figure 8 représente une vue en perspective d'un insert conforme à une troisième variante de la présente invention,
- la figure 9 représente une vue en perspective éclatée d'un ensemble comprenant embase et insert conforme à une variante de la présente invention, et
- la figure 10 représente encore une autre variante de l'ensemble, tandis que
- la figure 11 représente schématiquement une vue en coupe axiale longitudinale d'un dispositif d'adaptation apte à opérer une transformation de deux fils parallèles vers une prise coaxiale.
- un premier tronçon rectiligne 122 accessible au niveau de la partie avant 132 d'un isolant 130 et de la partie avant 110 de l'embase 100,
- un second tronçon 124 formant transition, susceptible de diverses configurations mais globalement perpendiculaire au premier tronçon 122, et
- un troisième tronçon 126 globalement parallèle au premier tronçon 122, qui s'étend vers l'arrière de l'embase 100 et se termine sous forme d'une fourche 128 à découpe d'isolant par coopération avec un inserteur 140.
- un tronçon avant 132 en forme générale de lame rectiligne destinée à prendre position dans l'une des rainures 116 de la partie avant de l'embase, lequel premier tronçon 132 définit lui-même deux rainures parallèles 133 destinées à recevoir chacune respectivement un premier tronçon 122 d'un contact 120,
- un second tronçon 134 globalement perpendiculaire à la lame 132 et servant de support au tronçon de transition 124 des contacts, et
- un troisième tronçon 136 globalement parallèle au premier tronçon 132, dirigé vers l'arrière de l'embase 100 et servant de support au troisième tronçon 126 des contacts électriques.
- un premier tronçon d'extrémité 222 incurvé et élastique disposé dans une fenêtre 212 formée dans la paroi supérieure ou la partie inférieure de l'insert 200 et émergeant sur la face externe de ces parois, pour venir automatiquement en contact avec le tronçon 122 de l'un des contacts de l'embase 100 lors de l'engagement de l'insert 200,
- un tronçon de transition 224 de géométries diverses selon la configuration de connectique demandée sur l'insert 200, le second tronçon 224 étant cependant globalement transversal au premier tronçon 222, et
- un troisième tronçon 226 globalement parallèle au premier tronçon 222 et accessible à l'intérieur d'une chambre 214 de l'insert 200.
Claims (17)
- Ensemble de connexion électrique notamment pour réseaux locaux d'entreprises à forts débits d'informations caractérisé par le fait qu'il comporteune embase (100) comportant des contacts électriques (120) adaptés pour être raccordés aux conducteurs d'au moins un câble de raccordement, tout en étant accessibles sur l'embase, etun insert (200) susceptible d'être fixé mécaniquement sur l'embase (100) et possédant lui-même des contacts électriques (220) adaptés pour venir automatiquement en appui contre les contacts électriques (120) de l'embase (100) lors de l'engagement de l'insert (200) sur cette dernière, tout en étant eux-mêmes accessibles sur l'insert (200) selon une répartition sélective adaptée à la disposition d'un ensemble de connexion complémentaire.
- Ensemble selon la revendication 1, caractérisé par le fait qu'il comprend un jeu d'inserts (200) respectivement adaptés à l'ensemble de connexion complémentaire par leur répartition de contacts électriques (220).
- Ensemble selon l'une des revendications 1 ou 2, caractérisé par le fait que l'embase (100) porte au moins une lame électriquement conductrice (150) apte à assurer une liaison de masse entre un blindage de l'embase (100) et un blindage de l'insert (200).
- Ensemble selon l'une des revendications 1 à 3, caractérisé par le fait qu'il comporte en outre un composant d'adaptation.
- Ensemble selon la revendication 4, caractérisé par le fait que le composant est un dispositif de symétrisation (300).
- Ensemble selon l'une des revendications 4 ou 5, caractérisé par le fait que le composant (300) est placé sur l'embase (100).
- Ensemble selon l'une des revendications 4 ou 5, caractérisé par le fait que le composant (300) est placé sur l'insert (200).
- Ensemble selon l'une des revendications 4, 5 ou 7, caractérisé par le fait que le composant est placé entre deux tronçons d'une paire de contacts (220) portés par l'insert (200).
- Ensemble selon l'une des revendications 1 à 8, caractérisé par le fait que l'embase (100) porte un croisillon de blindage (160).
- Ensemble selon l'une des revendications 1 à 9, caractérisé par le fait qu'il porte quatre paires de contacts électriques (120, 220).
- Ensemble selon l'une des revendications 1 à 10, caractérisé par le fait que chaque contact (120) de l'embase (100) possède trois tronçons : un premier tronçon (122) conçu pour être accessible sur l'insert (200), un tronçon de transition (124) et un troisième tronçon (126) conçu pour le raccordement sur un câble.
- Ensemble selon la revendication 11, caractérisé par le fait que le troisième tronçon (126) possède un contact auto-dénudant (128).
- Ensemble selon l'une des revendications 1 à 12, caractérisé par le fait que les contacts électriques (120) de l'embase (100) sont portés par paires par un corps isolant (130).
- Ensemble selon l'une des revendications 1 à 13, caractérisé par le fait qu'un insert (200) possède deux plans de connexion sous forme chacun de deux paires de contacts (226).
- Ensemble selon l'une des revendications 1 à 13, caractérisé par le fait qu'un insert (200) possède un plan de connexion sous forme de quatre paires de contacts électriques (226).
- Ensemble selon l'une des revendications 1 à 15, caractérisé par le fait que chaque insert (200) possède un croisillon de blindage.
- Ensemble selon l'une des revendications 1 à 16, caractérisé par le fait que chaque contact (220) de l'insert possède trois tronçons : un premier tronçon (222) élastique et incurvé conçu pour venir en appui contre un contact homologue (122) de l'embase, un tronçon (224) intermédiaire de transition, et un tronçon d'extrémité (226), de préférence élastique, accessible à l'intérieur de l'insert pour entrer en contact avec un contact homologue d'une fiche complémentaire.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0009843 | 2000-07-27 | ||
FR0009843A FR2812460B1 (fr) | 2000-07-27 | 2000-07-27 | Ensemble de connexion electrique, notamment pour reseaux locaux d'entreprises |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1176677A1 true EP1176677A1 (fr) | 2002-01-30 |
Family
ID=8852970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01402001A Withdrawn EP1176677A1 (fr) | 2000-07-27 | 2001-07-25 | Ensemble de connexion électrique, notamment pour réseaux locaux d'entreprises |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020016107A1 (fr) |
EP (1) | EP1176677A1 (fr) |
JP (1) | JP2002158066A (fr) |
CA (1) | CA2354119A1 (fr) |
FR (1) | FR2812460B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7025636B2 (en) * | 2004-08-26 | 2006-04-11 | George Allen | Adaptor for making broken connectors serviceable |
US7568950B2 (en) * | 2006-05-17 | 2009-08-04 | Bel Fuse Ltd. | High speed modular jack including multiple contact blocks and method for assembling same |
US8033871B2 (en) * | 2006-10-23 | 2011-10-11 | Pocrass Alan L | Multiple function RJ connector with split internal housing opening cavity |
CN103187674A (zh) * | 2011-12-27 | 2013-07-03 | 鸿富锦精密工业(深圳)有限公司 | Usb连接器 |
JP7524704B2 (ja) * | 2020-10-09 | 2024-07-30 | I-Pex株式会社 | 端子 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7431287U (de) * | 1974-09-17 | 1975-02-20 | Standard Elektrik Lorenz Ag | Anschlußdose |
US4756695A (en) * | 1986-06-13 | 1988-07-12 | Amp Incorporated | Local area network interface |
US5181858A (en) * | 1991-08-30 | 1993-01-26 | Amp Incorporated | Cable type identifying and impedance matching arrangement |
US5403200A (en) * | 1994-05-04 | 1995-04-04 | Chen; Michael | Electric connecting block |
-
2000
- 2000-07-27 FR FR0009843A patent/FR2812460B1/fr not_active Expired - Fee Related
-
2001
- 2001-07-23 JP JP2001222156A patent/JP2002158066A/ja active Pending
- 2001-07-25 EP EP01402001A patent/EP1176677A1/fr not_active Withdrawn
- 2001-07-25 CA CA002354119A patent/CA2354119A1/fr not_active Abandoned
- 2001-07-26 US US09/915,819 patent/US20020016107A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7431287U (de) * | 1974-09-17 | 1975-02-20 | Standard Elektrik Lorenz Ag | Anschlußdose |
US4756695A (en) * | 1986-06-13 | 1988-07-12 | Amp Incorporated | Local area network interface |
US5181858A (en) * | 1991-08-30 | 1993-01-26 | Amp Incorporated | Cable type identifying and impedance matching arrangement |
US5403200A (en) * | 1994-05-04 | 1995-04-04 | Chen; Michael | Electric connecting block |
Also Published As
Publication number | Publication date |
---|---|
JP2002158066A (ja) | 2002-05-31 |
FR2812460A1 (fr) | 2002-02-01 |
CA2354119A1 (fr) | 2002-01-27 |
US20020016107A1 (en) | 2002-02-07 |
FR2812460B1 (fr) | 2003-01-31 |
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