EP0131248A2 - Connecteur pour un câble à blindage coaxial - Google Patents

Connecteur pour un câble à blindage coaxial Download PDF

Info

Publication number
EP0131248A2
EP0131248A2 EP84107756A EP84107756A EP0131248A2 EP 0131248 A2 EP0131248 A2 EP 0131248A2 EP 84107756 A EP84107756 A EP 84107756A EP 84107756 A EP84107756 A EP 84107756A EP 0131248 A2 EP0131248 A2 EP 0131248A2
Authority
EP
European Patent Office
Prior art keywords
contact
auxiliary contact
male
connector according
contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84107756A
Other languages
German (de)
English (en)
Other versions
EP0131248A3 (en
EP0131248B1 (fr
Inventor
George A. Hansell Iii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WL Gore and Associates Inc
Original Assignee
WL Gore and Associates Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WL Gore and Associates Inc filed Critical WL Gore and Associates Inc
Priority to AT84107756T priority Critical patent/ATE37631T1/de
Publication of EP0131248A2 publication Critical patent/EP0131248A2/fr
Publication of EP0131248A3 publication Critical patent/EP0131248A3/en
Application granted granted Critical
Publication of EP0131248B1 publication Critical patent/EP0131248B1/fr
Expired legal-status Critical Current

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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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6582—Shield structure with resilient means for engaging mating connector
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • This invention relates to connectors for connecting conductors of coaxially shielded cables to non-coaxial male contacts.
  • Coaxially shielded cables are well known as the highest fidelity signal wiring for digital signals and analogue signals through the microwave frequency range.
  • the advent of large scale integrated circuits has increased the density and complexity of electronic circuitry to the point where coaxially shielded cables are often required for interconnection in high density applications.
  • the usefulness of coaxially shielded cables has been limited by cumbersome and time consuming connection methods.
  • An object of the present invention is to provide a connector which allows the use of coaxially shielded cables in existing, well-developed hardware systems for packaging electronic circuitry.
  • a connector for connecting conductors of coaxially shielded cables to non-coaxial male contacts disposed in a row, said connector characterised by a first inner contact compatible with each of a plurality of the male contacts, said first inner contact being electrically and mechanically connected to a first inner conductor of one of the coaxially shielded cables; an electrically insulating element surrounding the first inner contact; an outer rectangular contact surrounding the insulating element, electrically and mechanically connected to an outer conductor of one of the coaxially shielded cables and fastened to the jacket of said coaxial cable; and an auxiliary contact disposed among the male contacts and electrically connecting one or more of the outer contacts to one or more of said male contacts or to an external circuit.
  • a first embodiment of a coaxial connector according to the present invention is described with reference to Figures 1 and 2 wherein like elements have like numbers.
  • a first inner contact 10 comprising a standard contact, which is fully compatible with the standard, non-coaxial round pin or square post male contact 80 commonly used in packaging electronic circuitry, is connected to a first inner conductor 90 of a coaxial cable 100 at junction 91.
  • the standard square post male contacts 80 have lengths varying from approximately 0.2" (0.51cm) to approximately 1" (2.54cms) and transverse facial dimensions of 0.025" x 0.025" (0.064cm x 0.064cm).
  • Round pin male contacts are typically between .020" (0.051cm) and .035" (0.089cm) in diameter.
  • An electrically insulating medium 20 surrounds the first inner contact 10 and extends axially along the surface of the first inner contact 10.
  • the insulating medium 20 is surrounded by an outer contact 30 to which is connected an outer conductor 92 of a coaxial cable 100.
  • the axes of the first inner contact 10 and the outer contact 30 are substantially parallel.
  • the outer contact 30 is a hollow rectangular solid having a transverse face of which the dimension of one side is slightly smaller than the centre-to-centre distance of the standard male contacts 80. This centre-to-centre distance can be as smnall as.100" (.254cm).
  • An auxiliary contact 40 is installed among a row of standard male contacts 80 by connecting a socket 50 thereof onto a standard male contact 80 so that the auxiliary contact 40 contacts an outer contact 30 whenever that outer contact 30 is connected to one of the standard male contacts 80 disposed in a row.
  • the auxiliary contact 40 can be made from a strip of any highly conductive material.
  • the shape of the auxiliary contact 40 is such that a portion of the auxiliary contact 40 contacts a portion of the outer contact 30 whenever an outer contact 30 is connected to one of the standard male contacts disposed in a row.
  • the auxiliary contact 40 can be shaped as a square wave and installed among a row of standard male contacts 80 such that whenever an outer contact 30 is connected to one of the standard male contacts, three axial faces of that outer contact 30 contact portions of the auxiliary contact 40.
  • other shapes are possible which will also provide sufficient contact between the auxiliary contact 40 and an outer contact 30.
  • the outer contact 30 can be selectively supplied with an electrically insulating coating to leave exposed only portions of the outer contact 30 which serve as electrical contact points.
  • auxiliary contact 40 The advantage of the auxiliary contact 40 is that the outer conductors of several coaxial cables can be efficiently connected together and to the electronic circuitry. This prevents a wasting of space that otherwise occurs if the outer conductors are separately tied together or if each outer conductor is separately tied to the electronic circuitry.
  • the outer conductors can all be tied to ground by connecting the socket 50 of the auxiliary contact 40 to a standard male contact which is grounded. This eliminates the need for separately grounding each outer conductor.
  • a modification of this embodiment can be achieved by selectively applying an electrically insulating coating to the outer contact 30 and to the auxiliary contact 40 to leave said contacts exposed substantially only at their interface.
  • FIG. 4 is a perspective view of a second embodiment of the invention, whereas Figure 3 is a cross-sectional view of the second embodiment.
  • auxiliary contact 40 includes a base portion 102 having two resilient side portions 104 and 106 extending therefrom.
  • the cross-sectional dimension of auxiliary contact 40 is preferably an inverted omega shape, although other dimensioning may be utilised, as discussed further hereinbelow.
  • Base portion 102 of auxiliary contact 40 is provided with a plurality of holes 108 arranged in spacial alignment symmetrically about each of male contacts 80.
  • auxiliary contact 40 may be disposed among the male contacts such that each of male contacts 80 passes through a corresponding one of holes 108.
  • each of male contacts 80 extends generally parallel to side portions 104 and 106, without contacting either side.
  • side portions 104 and 106 are resilient, which provides for secure electrical and mechanical engagement with outer contact 30. That is, in the absence of an outer contact 30, side portion 104 would be displaced slightly towards the right in Figure 3. As the inner contact is forced down onto one of the male contacts 80, corresponding outer contact 30 engages and subsequently displaces side portion 104 towards the left. Due to the resilient nature of side portion 104, this contact is able to be maintained over numerous insertion and removal operations.
  • each side portion 104 and 106 is comprised of a plurality of longitudinal ribs 110 defining a corresponding plurality of slots 112, according to a preferred arrangement of this embodiment. These are arranged such that the longitudinal median of each rib lies in the same plane as the central axis of the immediately adjacent male contact 80. Conversely, the centre of each slot 112 corresponds to the space between the adjacent male contacts 80.
  • each outer contact 30 connects with a unique one of ribs 110 such that the presence of a first outer contact 30 and corresponding displacement of the contacting side portion has substantially no effect upon placement of adjacent ribs.
  • consistent electrical contact may be maintained regardless of the number or positioning of outer contacts 30.
  • Auxiliary contact 40 according to the second embodiment may be maintained in place amongst male contacts 80 by being directly affixed to the plastic medium 114 in which male contacts 80 are disposed. This may be accomplished, for example, by gluing base portion 102 to medium 114 in a well known fashion, or by utilizing any other suitable means for securing one element to another.
  • medium 114 may be provided with a raised portion 116 cxoaxially aligned with each one of male contacts 80.
  • auxiliary contact 40 In general, it is desirable to avoid electrical connection between auxiliary contact 40 and male contacts 80.
  • the auxiliary contact may be disposed among the male contacts such that each of the latter protrudes through a corresponding hole 108 without contacting any edges thereof. It is to be recognised, however, that at some point it may be desirable to provide electrical connection between the auxiliary contact and a selected one or more of male contacts 80 inasmuch as this arrangement can be used to provide a ground connnection to all of the outer contacts 30 connected to the auxiliary contact. This coupling may be accomplished in any one of many well known ways for electrically connecting two components.
  • the selected one of male contacts 80 may be directly wired to the adjacent section of base portions 102 of auxiliary contact 40, or an outer contact 30 may be provided in which the inner contact 10 thereof is shunted to the outer contact, or one or more of the holes 108 can be made small enough that the base portion 102 directly connects to one or more of the male contacts 80.
  • auxiliary contact 40 can be made from any highly conductive material having the resiliency sufficient to obtain consistent electrical connection with an outer contact 30.
  • auxiliary contact 40 is made from a unitary leaf of springy metal which has been folded to form the generally U-shaped configureation illustrated in Figures 3 and 4.
  • auxiliary contact 40 has a top portion 118 compatible with one of male contacts 80, and a plurality of resilient side portions 120 that are each connected to top portion 118 and extend towards, but are separated from, adjacent male contacts 80.
  • the side portions 120 are shaped so that the end opposite top portion 118 is closely adjacent, or contacting the same male contact 80 to which top portion 118 is fitted.
  • Side portions 120 are resilient in nature and are sufficiently close to adjacent male contacts 80 such that when an inner contact 10 (not shown) is engaged with one of the adjacent male contacts, the corresponding outer contact 30 (not shown) mechanically and electrically connects with the respective side portion 120.
  • the outer contact 30 is thus electrically connected to the male contact 80 on which auxiliary contact 40 is disposed such that the shield of the corresponding cable can be grounded simply by grounding the male contact 80 on which auxiliary contact 40 is positioned.
  • auxiliary contact 40 includes four side portions 120, each side portion extending from top portion 118 at a right angle to the adjacent side portion.
  • up to four shields may be coupled together and to a common circuit element by means of auxiliary contact 40, provided male contacts 80 have been disposed adjacent each side portion 120.
  • auxiliary contacts 40 in electrical connection with one another either directly or via intermediate outer contacts 30, more than four shields may be connected together.
  • an auxiliary contact according to this third embodiment is preferably made of a resilient or springy metal, and may be constructed from a unitary blank.
  • the auxiliary contact may be constructed in parts which are mechanically and electrically coupled, such as by soldering discrete side portions 120 to a separate top portion 118.
  • auxiliary contact 40 comprises a comb 200 having a plurality of separate teeth 202 -extending from a common shank 204.
  • Auxiliary contact 40 is preferably made of a springy metal with teeth 202 being crimped and bent back toward the shank, as shown best in Figure 7.
  • housing 206 is provided as shown in Figure 6.
  • housing 206 is generally rectangular in shape and has a plurality of longitudinal passages 208 extending completely therethrough.
  • Auxiliary contact 40 is disposed in housing 206 by embedding shank 204 of comb 200 into the common wall 209 of housing 206 which is adjacent passages 208.
  • Teeth 202 extend from the wall of housing 206 and are exposed within the interior passages 208.
  • Comb 200 is positioned relative housing 206 such that each one of teeth 202 is exposed within a different one of passages 208.
  • Each tooth 202 within a passage 208 is flush with the common wall 209 of housing 206 at the outwardly facing end (shown) of passage 208, but extends away from the common wall towards the inner end (not shown) of passage 208.
  • housing 206 with auxiliary contact 40 disposed therein is positioned over a corresponding plurality of male contact posts 80 (as shown in Figure 3) such that each of passages 208 is positioned over a corresponding one of the male contact posts.
  • each male contact post is positioned precisely in the centre of the corresponding passage 208 and in a manner such that it does not contact any of the exposed teeth 202 of auxiliary contact 40.
  • Housing 206 once positioned over the male contact posts as described hereinabove, may be affixed to medium 114 ( Figure 3) in which male contact posts 80 are disposed. Housing 206 may be securely affixed to medium 114 by gluing, heat bonding, or other suitable bonding methods. Alternatively, the housing need not be affixed but can be used as a means to connect and disconnect a group of contacts simultaneously.
  • the housing may be manufactured in separate halves with each half being connected to a central wall 210.
  • Each half of housing 206 is provided with its own auxiliary contact 40, such that, when the halves are assembled together, teeth 202 are disposed within passages 208 directly opposite central wall 210.
  • the two auxiliary contacts 40 will not be electrically connected to one another so that if electrical coupling of both auxiliary contacts is desired, it will be necessary to provide a separate connecting means.
  • a short length of wire connecting contacts 40 may also be embedded within housing 206.
  • housing 206 is constructed of a plastic or an ABS resin compound which is non-conductive. Housing 206 may be made of the same material as medium 114 ( Figure 3) which supports male contact posts 80. Central wall 210 may likewise be made of a non-conductive material.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Communication Cables (AREA)
EP84107756A 1983-07-11 1984-07-04 Connecteur pour un câble à blindage coaxial Expired EP0131248B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107756T ATE37631T1 (de) 1983-07-11 1984-07-04 Steckverbinder fuer koaxial abgeschirmtes kabel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51275483A 1983-07-11 1983-07-11
US512754 1983-07-11

Publications (3)

Publication Number Publication Date
EP0131248A2 true EP0131248A2 (fr) 1985-01-16
EP0131248A3 EP0131248A3 (en) 1986-02-19
EP0131248B1 EP0131248B1 (fr) 1988-09-28

Family

ID=24040414

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107756A Expired EP0131248B1 (fr) 1983-07-11 1984-07-04 Connecteur pour un câble à blindage coaxial

Country Status (4)

Country Link
EP (1) EP0131248B1 (fr)
AT (1) ATE37631T1 (fr)
DE (1) DE3474382D1 (fr)
HK (1) HK104091A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964814A (en) * 1986-10-03 1990-10-23 Minnesota Mining And Manufacturing Co. Shielded and grounded connector system for coaxial cables
US5184965A (en) * 1991-05-17 1993-02-09 Minnesota Mining And Manufacturing Company Connector for coaxial cables
EP0583934A2 (fr) * 1992-08-18 1994-02-23 The Whitaker Corporation Connecteur de câbles à haute fréquence
EP0598192A1 (fr) * 1992-11-16 1994-05-25 KRONE Aktiengesellschaft Connecteur à signaux nivellant capacitivement pour paramètres améliorés
WO1994016474A1 (fr) * 1992-12-31 1994-07-21 Connector Systems Technology N.V. Systeme d'interconnexion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7004793B2 (en) 2004-04-28 2006-02-28 3M Innovative Properties Company Low inductance shielded connector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334267A1 (fr) * 1975-11-14 1977-07-01 Du Pont Dispositif de contact pour le raccordement d'un cable coaxial
EP0042231A2 (fr) * 1980-06-13 1981-12-23 AMP INCORPORATED (a New Jersey corporation) Connexion électrique pour câbles plats
EP0074205A1 (fr) * 1981-08-24 1983-03-16 W.L. Gore & Associates, Inc. Connecteur pour un câble coaxial blindé

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334267A1 (fr) * 1975-11-14 1977-07-01 Du Pont Dispositif de contact pour le raccordement d'un cable coaxial
EP0042231A2 (fr) * 1980-06-13 1981-12-23 AMP INCORPORATED (a New Jersey corporation) Connexion électrique pour câbles plats
EP0074205A1 (fr) * 1981-08-24 1983-03-16 W.L. Gore & Associates, Inc. Connecteur pour un câble coaxial blindé

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964814A (en) * 1986-10-03 1990-10-23 Minnesota Mining And Manufacturing Co. Shielded and grounded connector system for coaxial cables
US5184965A (en) * 1991-05-17 1993-02-09 Minnesota Mining And Manufacturing Company Connector for coaxial cables
EP0583934A2 (fr) * 1992-08-18 1994-02-23 The Whitaker Corporation Connecteur de câbles à haute fréquence
EP0583934A3 (fr) * 1992-08-18 1995-02-08 Whitaker Corp Connecteur de câbles à haute fréquence.
US5632634A (en) * 1992-08-18 1997-05-27 The Whitaker Corporation High frequency cable connector
EP0598192A1 (fr) * 1992-11-16 1994-05-25 KRONE Aktiengesellschaft Connecteur à signaux nivellant capacitivement pour paramètres améliorés
US5516294A (en) * 1992-12-30 1996-05-14 Berg Technology, Inc. Coaxial interconnection system
WO1994016474A1 (fr) * 1992-12-31 1994-07-21 Connector Systems Technology N.V. Systeme d'interconnexion

Also Published As

Publication number Publication date
DE3474382D1 (en) 1988-11-03
ATE37631T1 (de) 1988-10-15
HK104091A (en) 1991-12-27
EP0131248A3 (en) 1986-02-19
EP0131248B1 (fr) 1988-09-28

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