EP0849841B1 - Method of making telephone or data terminal blocks and terminal block obtained by this process - Google Patents
Method of making telephone or data terminal blocks and terminal block obtained by this process Download PDFInfo
- Publication number
- EP0849841B1 EP0849841B1 EP97420230A EP97420230A EP0849841B1 EP 0849841 B1 EP0849841 B1 EP 0849841B1 EP 97420230 A EP97420230 A EP 97420230A EP 97420230 A EP97420230 A EP 97420230A EP 0849841 B1 EP0849841 B1 EP 0849841B1
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- EP
- European Patent Office
- Prior art keywords
- contacts
- adjacent
- conjugate
- contact
- terminal block
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000002184 metal Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 description 12
- 238000006073 displacement reaction Methods 0.000 description 11
- 240000008042 Zea mays Species 0.000 description 2
- 235000021189 garnishes Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
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- 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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
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- 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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
- H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
- H01R4/2425—Flat plates, e.g. multi-layered flat plates
- H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
Definitions
- the present invention relates to a method of making a strip interconnecting telephone or computer lines. It also relates to a ruler obtained by this method.
- Such strips are commonly equip the telephone distributors, in which they are used to connect, on demand, the various monopoly lines of the Telephone Distribution Company to different corresponding linens of subscribers. We then find several hundreds or even thousands.
- strips of the prior art all comprise at least two parallel rows of substantially flat metal contacts, placed vis-à-vis a row to another, these metal contacts each being provided with an axial insulation displacement slit wires to be connected.
- a contact of this type is for example described in the document FR-A-2.330.159.
- Each contact of one of these two conjugate rows is connected, to ensure the continuity of the two lines, the conjugate contact (that is to say: vis-à-vis) of the other row by a link metal which is either a connection having a possibility of cut-off, and it is then of "cut-off" conjugate contacts, or a direct connection without the possibility of cut-off, and it is then about "U-shaped" conjugate contacts.
- One of these two contacts is often called an "entry contact” because he receives one of the two sons of the finish line (from the Telephone Distribution Company), while the other contact is then called “output contact” because it receives the corresponding wire from the two-wire starting line (that is, the subscriber line).
- each row among these two rows facing each other there is a determined number of adjacent pairs of contacts, this number of pairs depending on the width of the strip.
- Each pair of contacts is used to receive the two wires of a telephone line ie from the finish line for the row that contains the aforementioned input contacts and the start line for the row that contains the aforementioned output contacts.
- substantially flat contacts that equip the strips currently marketed by the Applicant Company are quite similar to that which is the subject of FR-A-2.330.159, and in particular to that which is shown in Figure 1 of this document.
- Such a contact comprises of course the main part, flat and of generally fixed width, which contains the insulation displacement slot, and this main part is extended by a part of substantially the same width, which we will call “extension” and which serves here to connect this contact conjugate contact aforementioned, that is to say the contact which is opposite to the other row.
- this extension is elastic and has, at its free end, a contact pad with the conjugate, elastic and identical extension of the conjugate contact facing it.
- this extension is common to that of the conjugate contact, with which it therefore constitutes a connecting bridge made in one piece.
- the invention aims to remedy these drawbacks.
- it relates to a method for producing a telephone or computer line interconnection strip, this strip comprising at least two parallel rows of conjugated insulation metal contacts, each of these insulation displacement contacts having a main part which comprises the insulation displacement slot, this main part continuing with an extension which serves to connect this metal contact to its conjugate metal contact (that is to say placed in opposite position on the other row), the contacts of a same row being grouped in pairs of adjacent contacts, each pair receiving the two wires of the same line, telephone or computer, two-wire, this method being characterized in that it consists of, in order to obtain a crosstalk rejection rate between two adjacent pairs which is greater than that of a standard slider of the prior art without having to increase the spacing between two adjacent pairs of contacts of the same row, to be mounted in this standard strip, which therefore has a level of rejection of crosstalk between adjacent pairs which is insufficient, metal contacts whose main part is unchanged in width but whose extension is bevelled on the edge adjacent to the immediately adjacent contact of the adjacent pair in the
- the invention also relates to a strip for interconnecting telephone or computer lines, this strip being produced according to the aforementioned method and being characterized in that said extension, thus bevelled, of each insulation displacement contact is an elastic extension which comprises a contact pad at its free end, so that these two conjugate elastic extensions thus constitute a cut-off connection which is bevelled on one of its two slices, the one adjacent to the mirror-bond and immediately adjacent to the two conjugate pairs adjacent.
- the invention also relates to a strip for interconnecting telephone or computer lines, this strip being produced according to the aforementioned method and characterized in that said extension, thus cut obliquely on a single wafer, of each insulation displacement contact is an extension that is common to that of the corresponding conjugate contact, so that these two conjugate extensions thus constitute a connecting bridge made in one piece and cut at an angle on only one of its two slices, the one adjacent to the mirror bridge and immediately next to the two adjacent conjugate pairs.
- This strip comprises a plastic body 14 which holds securely in position the two parallel rows R1, R2 of insulation displacement metal contacts, often called “I.D.C. contacts. ".
- Figures 1 and 2 show only the first five contacts 1, 2, 3, 4, 5 of the first row R1 and the fifth contact 5 'of the second row R2.
- the contact 5 ' is the conjugate contact of the contact 5, that is to say that it is the contact which, in the other row, is placed opposite this contact 5. It is the same with the contacts contacts 1 ', 2', 3 'and 4' ( Figure 4) of the row R2 which are respectively the conjugate contacts of the contacts 1, 2, 3 and 4 of the other row R1.
- the contacts 1 and 2 are intended to receive the two son of the same two-wire line, for example a first finish line, and it is said that they constitute a "pair" of contacts forming part of the first row R1.
- the contacts 3 and 4 are intended to receive the two son of a second finish line, and constitute a second pair of contacts of the row R1, etc.
- the contacts 1 'and 2' of the row R2, respectively conjugated contacts 1 and 2 are intended to receive the two son of a two-wire line, for example a first starting line, the ruler has for role of 'Interconnect at the first finish line on the conjugate contacts 1 and 2 of the other row R1.
- These contacts 1 'and 2' form the first "pair" of contacts of the row R2.
- two contacts thus form a "pair” when they receive the two sons of the same telephone line or single computer.
- Each contact has a main portion 7 which receives the insulation displacement axial slot 8 and which is continued downwards by an extension 9 which has the role of electrically connecting the contact to its conjugate contact.
- the main part 7 of the contacts which are represented in FIGS. 1 to 3 is made according to the technology of the Applicant Company, with a band folded and lined with a "puncture" of alignment 6, but this particular embodiment of embodiment is not mandatory for the realization of the invention.
- each extension 9 of a contact is connected in one piece with the corresponding extension of the conjugate contact, to finally form a "U-shaped" connecting bridge. 10 between these two conjugate contacts (see for example the conjugate contacts 5 and 5 'alone shown entirely in Figures 1 to 3).
- each contact is substantially the same width as the main part 7 of this contact. These strips represent an NEXT rejection rate, between adjacent pairs of the same row, which is in the order of 22 to 25 dB, which does not meet the current "Category 5" standards which require a rejection rate of crosstalk greater than 40 dB.
- the invention consists, in order to garnish the ruler with the same number of pairs as these standard rulers of the prior art, without this or increasing the spacing between two adjacent pairs of rims. the same row (for example between the pairs 1, 2 and 3, 4), nor reduce in width the main part of the contacts to not weaken them, to mount in this standard strip 14 metal contacts 1, 2, 3 , 4, 5, ... 1 ', 2', 3 ', 4', 5 ', ..., whose main part 7 remains unchanged in width but whose extension 9 is on the edge 11 which adjoins immediate close contact (4 'for the contact 5') of the adjacent pair of contacts 3 ', 4' on the same row R2, beveled 12.
- the bridge 10 is thus cut obliquely on one of its slices, that is to say the slice 11 which adjoins the mirror-bridge and immediately next to it 10 '(FIG. 4) two conjugate pairs of contacts 3, 4 and 3 ', 4' adjacent.
- the neighbor bridge 10 ' is symmetrical with this bridge 10 with respect to a plane P orthogonal to the plane of the strip and separating the conjugate contacts 4, 4' from the conjugated contacts 5, 5 '.
- the bridge 10 ' is therefore the image of the bridge 10 with respect to this plane P, hence the name of the bridge-mirror given here to the bridge 10' with respect to the bridge 10.
- conjugate contacts 2, 2 ' whose bevel 12 is the "mirror" image of the corresponding bevel 12 of the pair of conjugate contacts 3, 3' immediately adjacent to the two conjugate pairs of contacts 3, 4 and 3 ', 4' adjacent to these two conjugate pairs of contacts 1, 2 and 1 ', 2', etc.
- FIGS. 5 and 6 diagrammatically show another example of embodiment which differs from that according to FIGS. 1 to 4 in that the strip in question is a strip with "cut-off" connections and no longer a strip with connections "in U ".
- Each contact 1, 2, 3, 4, ... is consequently provided with an elastic extension 9 which comprises, at its free end, a stud 13 intended to establish the electrical contact with the corresponding stud of the conjugate contact (no represent).
- These extensions 9 each comprise, in accordance with the invention, a bevelled size 12 similar to that corresponding to the embodiment according to FIGS. 1 to 4.
- the two conjugate elastic extensions 9 of two conjugated contacts thus constitute a cut-off connection which is, as before, cut at an angle on only one of its two slices: the slice 11 which adjoins the mirror bond and immediately adjoins the two adjacent conjugate pairs (see for example the slices 11 and 11 'in Figure 6, symmetrical one of the other with respect to a mirror plane corresponding to the plane P 'indicated in the previous Figure 4).
- the width of the main part 7 of the contacts according to Figs 1 to 6 being conventionally 3.5 millimeters
- the bevelled size 12 in the embodiment "U” of Figures 1 to 4 gradually reduces this width to 1.5 millimeters
- this bevelled size 12 in the "cut-off" embodiment according to FIGS. 5 and 6 reduces it to approximately 1 millimeter.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Structure Of Telephone Exchanges (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Description
la présente invention se rapporte à un procédé de réalisation d'une réglette d'interconnexion de lignes téléphoniques ou informatiques. Elle se rapporte aussi à une réglette obtenue par ce procédé.the present invention relates to a method of making a strip interconnecting telephone or computer lines. It also relates to a ruler obtained by this method.
De telles réglettes équipent couramment les répartiteurs téléphoniques, dans lesquels elles servent à connecter, à la demande, les différentes lignes monopaires de la Compagnie de Distribution Téléphonique aux différentes linges correspondantes d'abonnés. On en trouve alors plusieurs centaines, voire plusieurs milliers.Such strips are commonly equip the telephone distributors, in which they are used to connect, on demand, the various monopoly lines of the Telephone Distribution Company to different corresponding linens of subscribers. We then find several hundreds or even thousands.
Comme état de la technique peuvent être cités les documents FR-A-2.495.847, FR-A-2.662.042 et EP-A-0.524.115.As prior art can be cited the documents FR-A-2,495,847, FR-A-2,662,042 and EP-A-0,524,115.
Ces réglettes de l'Art connu comportent toutes au moins deux rangées parallèles de contacts métalliques sensiblement plats, placés en vis-à-vis d'une rangée à l'autre, ces contacts métalliques étant chacun munis d'une fente axiale de connexion autodénudante des fils à raccorder. Un contact de ce type est par exemple décrit dans le document FR-A-2.330.159.These strips of the prior art all comprise at least two parallel rows of substantially flat metal contacts, placed vis-à-vis a row to another, these metal contacts each being provided with an axial insulation displacement slit wires to be connected. A contact of this type is for example described in the document FR-A-2.330.159.
Les contacts d'une même rangée sont coplanaires. Les contacts des deux rangées parallèles précitées sont identiques.Contacts in the same row are coplanar. The contacts of the two parallel rows mentioned above are identical.
Chaque contact d'une de ces deux rangées conjuguées se raccorde, pour assurer la mise en continuité des deux lignes, au contact conjugué (c'est-à-dire : en vis-à-vis) de l'autre rangée par une liaison métallique qui est soit une liaison présentant une possibilité de coupure, et il s'agit alors de contacts conjugués « à coupure », soit une liaison directe sans possibilité de coupure, et il s'agit alors de contacts conjugués « en U ».Each contact of one of these two conjugate rows is connected, to ensure the continuity of the two lines, the conjugate contact (that is to say: vis-à-vis) of the other row by a link metal which is either a connection having a possibility of cut-off, and it is then of "cut-off" conjugate contacts, or a direct connection without the possibility of cut-off, and it is then about "U-shaped" conjugate contacts.
L'un de ces deux contacts conjugués est souvent appelé « contact d'entrée », car il reçoit un des deux fils de la ligne d'arrivée (provenant de la Compagnie de Distribution Téléphonique), tandis que l'autre contact est alors appelé « contact de sortie », car il reçoit le fil correspondant de la ligne bifilaire de départ (c'est-à-dire : la ligne d'abonné).One of these two contacts is often called an "entry contact" because he receives one of the two sons of the finish line (from the Telephone Distribution Company), while the other contact is then called "output contact" because it receives the corresponding wire from the two-wire starting line (that is, the subscriber line).
Sur chaque rangée parmi ces deux rangées en vis à vis, on trouve un nombre déterminé de paires de contacts adjacents, ce nombre de paires dépendant de la largeur de la réglette.In each row among these two rows facing each other, there is a determined number of adjacent pairs of contacts, this number of pairs depending on the width of the strip.
Chaque paire de contacts est utilisée pour recevoir les deux fils d'une ligne téléphonique c'est-à-dire de la ligne d'arrivée pour la rangée qui contient les contacts d'entrée précités et de la ligne de départ pour la rangée qui contient les contacts de sortie précités.Each pair of contacts is used to receive the two wires of a telephone line ie from the finish line for the row that contains the aforementioned input contacts and the start line for the row that contains the aforementioned output contacts.
Les contacts sensiblement plats qui équipent les réglettes actuellement commercialisées par la Société Demanderesse sont assez similaires à celui qui fait l'objet du document FR-A-2.330.159, et en particulier à celui qui est représenté en Figure 1 de ce document. Un tel contact comporte bien entendu la partie principale, plane et de largeur généralement fixe, qui contient la fente autodénudante, et cette partie principale se prolonge par une partie de sensiblement même largeur, que nous appellerons « prolongement » et qui sert ici à raccorder ce contact au contact conjugué précité, c'est-à-dire au contact qui se trouve en vis à vis sur l'autre rangée.The substantially flat contacts that equip the strips currently marketed by the Applicant Company are quite similar to that which is the subject of FR-A-2.330.159, and in particular to that which is shown in Figure 1 of this document. Such a contact comprises of course the main part, flat and of generally fixed width, which contains the insulation displacement slot, and this main part is extended by a part of substantially the same width, which we will call "extension" and which serves here to connect this contact conjugate contact aforementioned, that is to say the contact which is opposite to the other row.
Lorsqu'il s'agit d'une liaison à coupure, ce prolongement est élastique et il comporte, à son extrémité libre, un plot de contact avec le prolongement conjugué, élastique et identique, du contact conjugué qui lui fait face. Lorsqu'il s'agit d'une liaison en U, ce prolongement est commun à celui de ce contact conjugué, avec lequel il constitue donc un pont de liaison réalisé d'un seul tenant.In the case of a cut-off connection, this extension is elastic and has, at its free end, a contact pad with the conjugate, elastic and identical extension of the conjugate contact facing it. When it is a U-shaped connection, this extension is common to that of the conjugate contact, with which it therefore constitutes a connecting bridge made in one piece.
Avec l'augmentation actuelle des fréquences de fonctionnement des installations téléphoniques et informatiques, il se pose pour ces réglettes un problème de taux de paradiaphonie entre deux paires adjacentes, les réglettes courantes de l'Art antérieur ne répondant plus aux normes de rejet de paradiaphonie qui sont maintenant en vigueur et qui sont beaucoup plus strictes que les normes qui s'appliquent aux réglettes de l'Art antérieur précité.With the current increase in the operating frequencies of the telephone and computer installations, there is a problem of crosstalk rate between two adjacent pairs for these strips, the current strips of the prior art no longer meeting the standards of crosstalk rejection which are now in force and are much stricter than the standards that apply to the strips of the aforementioned prior art.
Pour fixer les idées, on exige maintenant, pour des fréquences pouvant aller jusqu'à 100 Mégahertz, un taux de rejet de paradiaphonie entre paires adjacentes qui est supérieur à 40 dB, alors qu'autrefois on se contentait d'un taux de rejet de paradiaphonie simplement supérieur à 20 dB.For the sake of clarity, for frequencies up to 100 Megahertz, an adjacent NEXT rejection rejection rate of greater than 40 dB is now required, whereas in the past it was only crosstalk simply greater than 20 dB.
Les fabricants sont alors amenés :
- soit à augmenter l'écartement entre deux paires adjacentes sur une même rangée de contacts, ce qui a pour inconvénient soit d'augmenter les dimensions de la réglette pour un même nombre de paires, soit de diminuer le nombre de paires si l'on conserve les mêmes dimensions pour cette réglette ;
- soit à diminuer au maximum, tel que par exemple décrit dans les documents EP-A-0.637.097 et EP-A-0.654.851, les dimensions en largeur de chaque contact, ce qui a pour inconvénient de fragiliser celui-ci plus qu'on ne le souhaite pour obtenir une bonne fiabilité.
- to increase the spacing between two adjacent pairs on the same row of contacts, which has the disadvantage of either increasing the dimensions of the strip for the same number of pairs, or to reduce the number of pairs if you keep the same dimensions for this slider;
- either to reduce to the maximum, such as for example described in documents EP-A-0.637.097 and EP-A-0.654.851, the width dimensions of each contact, which has the disadvantage of weakening it more than it is not desired to obtain good reliability.
L'invention vise à remédier à ces inconvénients. Elle se rapporte à cet effet à un procédé de réalisation d'une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette comportant au moins deux rangées parallèles de contacts métalliques autodénudants conjugués, chacun de ces contacts autodénudants ayant une partie principale qui comprend la fente de connexion autodénudante, cette partie principale se continuant par un prolongement qui sert à raccorder ce contact métallique à son contact métallique conjugué (c'est-à-dire placé en vis à vis sur l'autre rangée), les contacts d'une même rangée étant groupés par paires de contacts adjacents, chaque paire recevant les deux fils d'une même ligne, téléphonique ou informatique, bifilaire,
ce procédé étant caractérisé en ce qu'il consiste à, afin d'obtenir un taux de rejet de paradiaphonie entre deux paires adjacentes qui est supérieur à celui d'une réglette standard de l'Art connu sans devoir pour ceci augmenter l'espacement entre deux paires adjacentes de contacts d'une même rangée, à monter dans cette réglette standard, qui présente donc un taux de rejet de paradiaphonie entre paires adjacentes qui est insuffisant, des contacts métalliques dont la partie principale est inchangée en largeur mais dont le prolongement est taillé en biseau sur la tranche qui jouxte le contact immédiatement voisin de la paire adjacente sur la même rangée.The invention aims to remedy these drawbacks. For this purpose, it relates to a method for producing a telephone or computer line interconnection strip, this strip comprising at least two parallel rows of conjugated insulation metal contacts, each of these insulation displacement contacts having a main part which comprises the insulation displacement slot, this main part continuing with an extension which serves to connect this metal contact to its conjugate metal contact (that is to say placed in opposite position on the other row), the contacts of a same row being grouped in pairs of adjacent contacts, each pair receiving the two wires of the same line, telephone or computer, two-wire,
this method being characterized in that it consists of, in order to obtain a crosstalk rejection rate between two adjacent pairs which is greater than that of a standard slider of the prior art without having to increase the spacing between two adjacent pairs of contacts of the same row, to be mounted in this standard strip, which therefore has a level of rejection of crosstalk between adjacent pairs which is insufficient, metal contacts whose main part is unchanged in width but whose extension is bevelled on the edge adjacent to the immediately adjacent contact of the adjacent pair in the same row.
L'invention se rapporte aussi à une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette étant réalisée selon le procédé précité et étant caractérisée en ce que ledit prolongement, ainsi taillé en biseau, de chaque contact autodénudant est un prolongement élastique qui comporte un plot de contact à son extrémité libre, de sorte que ces deux prolongements élastiques conjugués constituent ainsi une liaison à coupure qui est taillée en biseau sur une seule de ses deux tranches, celle qui jouxte la liaison-miroir et immédiatement voisine des deux paires conjuguées adjacentes.The invention also relates to a strip for interconnecting telephone or computer lines, this strip being produced according to the aforementioned method and being characterized in that said extension, thus bevelled, of each insulation displacement contact is an elastic extension which comprises a contact pad at its free end, so that these two conjugate elastic extensions thus constitute a cut-off connection which is bevelled on one of its two slices, the one adjacent to the mirror-bond and immediately adjacent to the two conjugate pairs adjacent.
L'invention se rapporte encore aussi à une réglette d'interconnexion de lignes téléphoniques ou informatiques, cette réglette étant réalisée selon le procédé précité et étant caractérisée en ce que ledit prolongement, ainsi taillé en biais sur une seule tranche, de chaque contact autodénudant est un prolongement qui est commun à celui du contact conjugué correspondant, ce sorte que ces deux prolongements conjugués constituent ainsi un pont de liaison réalisé d'un seul tenant et taillé en biais sur une seule de ses deux tranches, celle qui jouxte le pont-miroir et immédiatement voisin des deux paires conjuguées adjacentes.The invention also relates to a strip for interconnecting telephone or computer lines, this strip being produced according to the aforementioned method and characterized in that said extension, thus cut obliquely on a single wafer, of each insulation displacement contact is an extension that is common to that of the corresponding conjugate contact, so that these two conjugate extensions thus constitute a connecting bridge made in one piece and cut at an angle on only one of its two slices, the one adjacent to the mirror bridge and immediately next to the two adjacent conjugate pairs.
L'invention sera bien comprise, et ses avantages et autres caractéristiques ressortiront mieux, lors de la description suivante de deux exemples non limitatifs de réalisation, en référence au dessin schématique annexé dans lequel :
- Figure 1 est une vue partielle, en perspective écorchée, d'une réglette à liaisons en U conforme à l'invention.
- Figure 2 montre la réglette de la figure 1, avec seuls les contacts autodénudants dessinés en traits pleins.
- Figure 3 est une coupe transversale de cette même réglette, réalisée dans le plan des fentes autodénudantes de deux contacts à liaison en U, et plus précisément selon III de Figure 2.
- Figure 4 est une vue de dessus très rudimentaire de cette même réglette et montrant la répartition « en miroir » des contacts de cette réglette.
- Figure 5 est une vue semblable à Figure 1, mais montrant l'application de l'invention à une réglette à liaisons à coupure.
- Figure 6 est une vue semblable à Figure 2, mais relative à la réglette selon Figure 5.
- Figure 1 is a partial view in broken perspective of a U-shaped strip according to the invention.
- Figure 2 shows the slide of Figure 1, with only the insulation displacement contacts drawn in solid lines.
- Figure 3 is a cross section of the same strip, made in the plane of the insulation displacement slots of two U-link contacts, and more precisely according to III of Figure 2.
- Figure 4 is a very rudimentary top view of the same strip and showing the distribution "mirrored" contacts of this strip.
- Figure 5 is a view similar to Figure 1, but showing the application of the invention to a cut-off strip.
- Figure 6 is a view similar to Figure 2, but relative to the slide according to Figure 5.
En se reportant tout d'abord à l'ensemble des figures 1 à 4, il s'agit dans ce premier exemple de réalisation d'une réglette à liaisons « en U ».Referring firstly to all of Figures 1 to 4, it is in this first embodiment of a "U" link strip.
Cette réglette comporte un corps 14 en matière plastique qui maintient solidement en position les deux rangées parallèles R1, R2 de contacts métalliques autodénudants, souvent appelés « contacts I.D.C. ».This strip comprises a
Sur les figures 1 et 2 sont seulement représentés les cinq premiers contacts 1, 2, 3, 4, 5 de la première rangée R1 et le cinquième contact 5' de la deuxième rangée R2.Figures 1 and 2 show only the first five
Le contact 5' est le contact conjugué du contact 5, c'est-à-dire qu'il est le contact qui, sur l'autre rangée, est placé en vis à vis de ce contact 5. Il en est de même des contacts 1', 2', 3' et 4' (Figure 4) de la rangée R2 qui sont respectivement les contacts conjugués des contacts 1, 2, 3 et 4 de l'autre rangée R1.The contact 5 'is the conjugate contact of the
Les contacts 1 et 2 sont destinés à recevoir les deux fils d'une même ligne bifilaire, par exemple d'une première ligne d'arrivée, et l'on dit qu'ils constituent une « paire » de contacts faisant partie de la première rangée R1.The
De même façon, les contacts 3 et 4 sont destinés à recevoir les deux fils d'une deuxième ligne d'arrivée, et constituent une deuxième paire de contacts de la rangée R1, etc...Similarly, the
les contacts 1' et 2' de la rangée R2, respectivement conjugués des contacts 1 et 2, sont destinés à recevoir les deux fils d'une ligne bifilaire, par exemple d'une première ligne de départ, que la réglette a pour rôle d'interconnecter à la première ligne d'arrivée sur les contacts conjugués 1 et 2 de l'autre rangée R1. Ces contacts 1' et 2' forment la première « paire » de contacts de la rangée R2. Comme on le voit, deux contacts forment donc une « paire » lorsqu'ils reçoivent les deux fils d'une même ligne téléphonique ou informatique monopaire.the contacts 1 'and 2' of the row R2, respectively conjugated
Chaque contact comporte une partie principale 7 qui reçoit la fente axiale autodénudante 8 et qui se continue vers le bas par un prolongement 9 qui a pour rôle de raccorder électriquement le contact à son contact conjugué.Each contact has a
La partie principale 7 des contacts qui sont représentés sur les figures 1 à 3 est réalisée selon la technologie de la Société Demanderesse, avec une bande repliée et garnie d'un « crevé » d'alignement 6, mais ce mode particulier de réalisation n'est nullement obligatoire pour la réalisation de l'invention.The
La réglette selon les figures 1 à 4 étant une réglette à liaisons « en U », chaque prolongement 9 d'un contact est relié d'un seul tenant avec le prolongement correspondant du contact conjugué, pour finalement former un pont de liaison « en U » 10 entre ces deux contacts conjugués (voir par exemple les contacts conjugués 5 et 5' seuls représentés entièrement sur les figures 1 à 3).The strip according to FIGS. 1 to 4 being a "U" shaped strip, each
Pour les réglettes commercialisées jusqu'alors par la Société Demanderesse, le prolongement 9 de chaque contact a pratiquement la même largeur que la partie principale 7 de ce contact. Ces réglettes représentent un taux de rejet de paradiaphonie, entre paires adjacentes d'une même rangée, qui est de l'ordre de 22 à 25 dB, ce qui ne correspond pas aux normes actuelles « catégorie 5 » qui exigent un taux de rejet de paradiaphonie supérieur à 40 dB.For strips previously marketed by the Applicant Company, the
Afin de répondre à ces nouvelles normes « catégorie 5 », l'invention consiste, afin de garnir la réglette du même nombre de paires que ces réglettes standard de l'Art connu sans pour ceci ni augmenter l'espacement entre deux paires adjacentes d'une même rangée (par exemple entre les paires 1,2 et 3, 4), ni diminuer en largeur la partie principale des contacts pour ne pas fragiliser ceux-ci, à monter dans cette réglette standard 14 des contacts métalliques 1, 2, 3, 4, 5,... 1', 2', 3', 4', 5',..., dont la partie principale 7 reste donc inchangée en largeur mais dont le prolongement 9 est, sur la tranche 11 qui jouxte le contact immédiat voisin (4' pour le contact 5') de la paire de contacts adjacente 3', 4' sur la même rangée R2, taillé en biseau 12.In order to meet these new "
En fait, dans la réglette selon les figures 1 à 4, le pont 10 est donc taillé en biais sur une de ses tranches, c'est-à-dire la tranche 11 qui jouxte le pont-miroir et immédiatement voisin 10' (Figure 4) des deux paires conjuguées de contacts 3, 4 et 3', 4' adjacentes.In fact, in the strip according to FIGS. 1 to 4, the
Comme représenté sur la figure 4, le pont voisin 10' est le symétrique de ce pont 10 par rapport à un plan P orthogonal au plan de la réglette et séparant les contacts conjugués 4, 4' des contacts conjugués 5, 5'. Le pont 10' est donc l'image du pont 10 par rapport à ce plan P, d'où le nom de pont-miroir donné ici au pont 10' par rapport au pont 10.As shown in FIG. 4, the neighbor bridge 10 'is symmetrical with this
Il en est de même pour les contacts conjugués 2, 2' dont le biseau 12 est l'image « miroir » du biseau correspondant 12 de la paire de contacts conjugués 3, 3' immédiatement voisins des deux paires conjuguées de contacts 3, 4 et 3', 4' adjacentes à ces deux paires conjuguées de contacts 1, 2 et 1', 2', etc...It is the same for the
Les figures 5 et 6 schématisent un autre exemple de réalisation qui diffère de celui selon les figures 1 à 4 par le fait que la réglette dont il s'agit est une réglette à liaisons « à coupure » et non plus une réglette à liaisons « en U ».FIGS. 5 and 6 diagrammatically show another example of embodiment which differs from that according to FIGS. 1 to 4 in that the strip in question is a strip with "cut-off" connections and no longer a strip with connections "in U ".
Chaque contact 1, 2, 3, 4,..., est par suite muni d'un prolongement élastique 9 qui comporte, à son extrémité libre, un plot 13 destiné à établir le contact électrique avec le plot correspondant du contact conjugué (non représenté).Each
Ces prolongements 9 comportent chacun, conformément à l'invention, une taille en biseau 12 similaire à celle qui correspond à la réalisation selon les figures 1 à 4.These
Les deux prolongements élastiques conjugués 9 de deux contacts conjugués constituent ainsi une liaison à coupure qui est, comme précédemment, taillée en biais sur une seule de ses deux tranches : la tranche 11 qui jouxte la liaison miroir et immédiatement voisine des deux paires conjuguées adjacentes (voir par exemple les tranches 11 et 11' sur la figure 6, symétriques l'une de l'autre par rapport à un plan miroir correspondant au plan P' indiqué sur la précédente figure 4).The two conjugate
Pour fixer les idées par des exemples numériques non limitatifs, la largeur de la partie principale 7 des contacts selon les figues 1 à 6 étant classiquement de 3,5 millimètres, la taille en biseau 12 dans la réalisation « en U » des figures 1 à 4 réduit progressivement cette largeur jusqu'à 1,5 millimètres, tandis que cette taille en biseau 12 dans la réalisation « à coupure » selon les figures 5 et 6 la réduit jusqu'à environ 1 millimètre.To fix the ideas by non-limiting numerical examples, the width of the
La distance d'entre les fentes axiales de deux contacts adjacents d'une même rangée restant, comme pour les réglettes standard actuellement commercialisées par la Société Demanderesse, de 5 millimètres (ce qui correspond à un pas de 10 mm pour la réglette), on a pu mesurer :
- sur une réglette « en U » selon les figures 1 à 4, un taux de rejet de paradiaphonie entre deux paires adjacentes de l'ordre de 43 à 44 dB,
- et sur une réglette « à coupure » selon les figures 5
et 6, un taux de rejet de paradiaphonie entre deux paires adjacentes de l'ordre de 41 à 42 dB.
- on a "U-shaped" strip according to FIGS. 1 to 4, a crosstalk rejection rate between two adjacent pairs of the order of 43 to 44 dB,
- and on a "cut-off" strip according to FIGS. 5 and 6, a crosstalk rejection rate between two adjacent pairs of the order of 41 to 42 dB.
Comme il va de soi, l'invention n'est pas limitée aux deux exemples de réalisation qui viennent d'être décrits, et elle s'applique bien entendu à d'autres types de réglettes, par exemple aux diverses réglettes décrites dans le document FR-A-2.495.847 précité. Bien que les contacts représentés sur les exemples qui ont été décrits soient des contacts sensiblement plats, l'invention s'appliquerait aussi à des réglettes qui seraient équipées de contacts autodénudants qui ne seraient pas vraiment plats, ou même pas plats du tout.It goes without saying that the invention is not limited to the two embodiments which have just been described, and it applies of course to other types of strips, for example to the various strips described in the document FR-A-2,495,847 cited above. Although the contacts shown in the examples that have been described are substantially flat contacts, the invention would also apply to strips that would be equipped with insulation displacement contacts that are not really flat, or even not flat at all.
Claims (3)
- Process for producing a terminal block for interconnection of telephone or computer-related lines, this terminal block comprising at least two parallel rows (R1, R2) of conjugate, metal self-stripping contacts (5, 5'), each of these self-stripping contacts having a main part (7) which comprises the self-stripping connection slot (8), this main part (7) continuing in an extension (9) which serves to connect this metal contact (5) to its conjugate metal contact (5'), i.e. placed opposite on the other row, the contacts of a same row (R1) being grouped in pairs (1, 2 - 3, 4) of adjacent contacts, each pair (1, 2) receiving the two wires of a same bifilar, telephone or computer-related line,
characterized in that it consists, in order to obtain a rate of rejection of crosstalk between two adjacent pairs (1, 2 - 3, 4) which is greater than that of the known terminal block without having to increase the distance between two adjacent pairs (1,2 - 3,4) of contacts of a same row (R1), in mounting in this terminal block, which therefore presents an insufficient rate of rejection of crosstalk between adjacent pairs, self-stripping metal contacts whose main part (7) is unchanged in width but whose extension (9) is bevelled (12) on the edge (11) which is adjacent to the immediately neighbouring contact of the adjacent pair on the same row. - Terminal block for interconnection of telephone or computer-related lines, this terminal block being made in accordance with the process according to claim 1,
characterized in that said extension (9), thus bevelled, of each self-stripping contact (5) is an extension which is common to that of the corresponding conjugate contact (5'), such that these two conjugate extensions (9) thus constitute a linking bridge (10) made in one piece and bevelled on only one (11) of its two edges, the one which is adjacent to the mirror bridge (10') and immediately neighbouring the two adjacent conjugate pairs. - Terminal block for interconnection of telephone or computer-related lines, this terminal block being made in accordance with the process according to claim 1, characterized in that said extension (9), thus bevelled, of each self-stripping contact is an elastic extension which comprises a contact stud (13) at its free end, such that the two conjugate elastic extensions thus constitute a cut-link which is bevelled on only one (11) of its two edges, the one which is adjacent to the mirror link and immediately neighbouring the two adjacent conjugate pairs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9616076 | 1996-12-20 | ||
| FR9616076A FR2757691B1 (en) | 1996-12-20 | 1996-12-20 | METHOD FOR PRODUCING A INTERCONNECTION RULE FOR TELEPHONE OR COMPUTER LINES, AND RULE OBTAINED BY THIS METHOD |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0849841A1 EP0849841A1 (en) | 1998-06-24 |
| EP0849841B1 true EP0849841B1 (en) | 2006-05-24 |
Family
ID=9499188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97420230A Expired - Lifetime EP0849841B1 (en) | 1996-12-20 | 1997-12-10 | Method of making telephone or data terminal blocks and terminal block obtained by this process |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5967826A (en) |
| EP (1) | EP0849841B1 (en) |
| AR (1) | AR009670A1 (en) |
| AT (1) | ATE327582T1 (en) |
| CA (1) | CA2223186A1 (en) |
| DE (1) | DE69735924T2 (en) |
| FR (1) | FR2757691B1 (en) |
| PL (1) | PL323808A1 (en) |
| RU (1) | RU2212082C2 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10261194A1 (en) * | 2002-12-20 | 2004-07-01 | Basf Ag | Process for the catalytic hydrogenation of an aliphatic unsaturated group in an organic compound |
| ATE397835T1 (en) | 2004-03-18 | 2008-06-15 | 3M Innovative Properties Co | A UNIT WITH THREE TELECOMMUNICATIONS MODULES |
| US7101216B2 (en) * | 2004-09-15 | 2006-09-05 | 3M Innovative Properties Company | Insulation displacement system for two electrical conductors |
| US7399197B2 (en) * | 2004-09-15 | 2008-07-15 | 3M Innovative Properties Company | Connector assembly for housing insulation displacement elements |
| US7458840B2 (en) * | 2004-09-15 | 2008-12-02 | 3M Innovative Properties Company | Cap configured to removably connect to an insulation displacement connector block |
| US7335049B2 (en) * | 2004-09-15 | 2008-02-26 | 3M Innovative Properties Company | Connector assembly for housing insulation displacement elements |
| EP1662810B1 (en) * | 2004-11-24 | 2011-08-24 | 3M Innovative Properties Company | Telecommunications module, combination of a telecommunications module and at least one splitter circuit, and assembly of at least two telecommunications modules |
| EP1720221A1 (en) * | 2005-05-03 | 2006-11-08 | 3M Innovative Properties Company | A telecommunications module, a distribution point comprising at least one telecommunications module, and a method of manufacturing a telecommunications module |
| US7303446B2 (en) * | 2005-05-18 | 2007-12-04 | 3M Innovative Proprties Company | Frame assembly |
| US20060264090A1 (en) * | 2005-05-18 | 2006-11-23 | Dower William V | Electrical connector assembly and method of forming the same |
| ES2358440T3 (en) * | 2005-07-14 | 2011-05-10 | REICHLE & DE-MASSARI AG | CONNECTION DEVICE AND CONNECTION SYSTEM FOR ELECTRIC ISOLATED DRIVERS. |
| US7165983B1 (en) | 2005-12-08 | 2007-01-23 | 3M Innovative Properties Company | Access cover configured to receive a testing device |
| TWM324316U (en) * | 2007-07-11 | 2007-12-21 | Long Chang Technology Co Ltd | Connector and terminal thereof |
| DE202008005934U1 (en) * | 2008-04-29 | 2009-06-10 | CCS Technology, Inc., Wilmington | Distribution bar of a telecommunications system |
| US7794267B2 (en) * | 2008-08-06 | 2010-09-14 | Tyco Electronics Corporation | Card edge connector with IDC wire termination |
| EP2443703A4 (en) | 2009-06-15 | 2013-05-29 | 3M Innovative Properties Co | Connection and switching contact elements for a termination strip for a telecommunications module |
| BR112012025071B1 (en) | 2010-03-30 | 2024-02-20 | Corning Research & Development Corporation | TELECOMMUNICATIONS MODULE WITH DISCONNECTION FEATURE |
| DE102015000331A1 (en) * | 2015-01-09 | 2016-07-14 | DEHN + SÖHNE GmbH + Co. KG. | Contact arrangement for pluggable surge arresters |
| CN108258485A (en) * | 2017-12-29 | 2018-07-06 | 番禺得意精密电子工业有限公司 | Electric connector |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2330159A1 (en) * | 1975-10-27 | 1977-05-27 | Carpano & Pons | CLAMP FOR THE CONNECTION OF ELECTRIC CONDUCTORS |
| EP0123925B1 (en) * | 1983-04-29 | 1986-08-06 | Karl Hehl | Contact bank for cable connectors |
| CH678467A5 (en) * | 1988-11-22 | 1991-09-13 | Reichle & De Massari Fa | |
| DK28193D0 (en) * | 1993-03-12 | 1993-03-12 | Poul Kjeldahl | COMMUNICATION NETWORK CONNECTOR |
| US5344336A (en) * | 1993-06-04 | 1994-09-06 | Molex Incorporated | Insulation displacement electrical terminal |
| DE4325952C2 (en) * | 1993-07-27 | 1997-02-13 | Krone Ag | Terminal block for high transmission rates in telecommunications and data technology |
| FR2712736B1 (en) * | 1993-11-18 | 1995-12-29 | Filotex Sa | Asymmetrical contact and connection strip fitted with such contacts. |
| JPH097651A (en) * | 1995-06-09 | 1997-01-10 | Minnesota Mining & Mfg Co <3M> | Contractor and terminal connector with that contractor |
| US5820404A (en) * | 1995-07-10 | 1998-10-13 | Sumitomo Wiring Systems, Ltd. | Terminal and cramping connector |
-
1996
- 1996-12-20 FR FR9616076A patent/FR2757691B1/en not_active Expired - Fee Related
-
1997
- 1997-11-20 US US08/975,102 patent/US5967826A/en not_active Expired - Lifetime
- 1997-11-26 CA CA002223186A patent/CA2223186A1/en not_active Abandoned
- 1997-12-10 AT AT97420230T patent/ATE327582T1/en not_active IP Right Cessation
- 1997-12-10 EP EP97420230A patent/EP0849841B1/en not_active Expired - Lifetime
- 1997-12-10 DE DE69735924T patent/DE69735924T2/en not_active Expired - Lifetime
- 1997-12-15 PL PL97323808A patent/PL323808A1/en unknown
- 1997-12-18 AR ARP970105961A patent/AR009670A1/en unknown
- 1997-12-19 RU RU97121296/09A patent/RU2212082C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATE327582T1 (en) | 2006-06-15 |
| CA2223186A1 (en) | 1998-06-20 |
| US5967826A (en) | 1999-10-19 |
| RU2212082C2 (en) | 2003-09-10 |
| EP0849841A1 (en) | 1998-06-24 |
| PL323808A1 (en) | 1998-06-22 |
| AR009670A1 (en) | 2000-04-26 |
| FR2757691B1 (en) | 1999-01-22 |
| DE69735924D1 (en) | 2006-06-29 |
| FR2757691A1 (en) | 1998-06-26 |
| MX9710096A (en) | 1998-10-31 |
| DE69735924T2 (en) | 2006-10-19 |
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