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EP0074205A1 - A connector for coaxially shielded cable - Google Patents

A connector for coaxially shielded cable Download PDF

Info

Publication number
EP0074205A1
EP0074205A1 EP82304427A EP82304427A EP0074205A1 EP 0074205 A1 EP0074205 A1 EP 0074205A1 EP 82304427 A EP82304427 A EP 82304427A EP 82304427 A EP82304427 A EP 82304427A EP 0074205 A1 EP0074205 A1 EP 0074205A1
Authority
EP
European Patent Office
Prior art keywords
contact
male contacts
connector according
male
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
EP82304427A
Other languages
German (de)
French (fr)
Other versions
EP0074205B1 (en
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 AT82304427T priority Critical patent/ATE18106T1/en
Publication of EP0074205A1 publication Critical patent/EP0074205A1/en
Application granted granted Critical
Publication of EP0074205B1 publication Critical patent/EP0074205B1/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581Shield structure
    • H01R13/6585Shielding material individually surrounding or interposed between mutually spaced contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00Two poles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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

Definitions

  • This invention relates to connectors for connecting con- dutors 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 analog signals throughout 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.
  • 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-section 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 a further contact 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 3 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 contacts 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 can be of lengths varying from approximately 0.2 inches (5 cms) to approximately 1 inch (2.5 cms) and transverse facial dimensions of 0.025 inches (0.064 cms) square.
  • Round pin male contacts are typically between .020 inches (0.051 cms) and .035 inches (0.089 cms) 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 the outer conductor 92 of a coaxial cable 100.
  • the axes of the first inner contact 10 and the outer contact 30 are substantially mutually coincident or parallel.
  • the outer contact 30 is a hollow rectangular-section solid having a transverse face of which the dimension of the side extending along the row of contacts 80 is slightly smaller than the center-to-center distance of the contacts 80. This center-to-center distance can be as small as 0.100 inches (0.254 cms).
  • An auxiliary contact 40 is installed among a row of standard male contacts 80 by connecting a socket 50 of contact 40 onto a standard male contact 80 or by connecting two spaced sockets 50 of contact 40 on to two standard male contacts 80 spaced apart along a row of male contacts 80.
  • 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, made of springy metal strip 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 wasting space that 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. 2 A second embodiment of a coaxial connector according to the present invention is shown in Figure 2.
  • this embodiment contains a supplemental contact 60.
  • the supplemental contact 60 is disposed for connection to a male contact 80 adjacent to the male contact to which the first inner contact 10 of the connector is connected.
  • the supplemental contact 60 which can be of trough shape as illustrated, is compatible with each of the standard male contacts 80, and is oriented so that its axis is substantially parallel to the outer contact 30.
  • One axial face of the supplemental contact 60 is mechanically connected to a portion of one axial face of the outer contact 30 by a connecting element 70, for example, so that an electrical connector subsists at the interface.
  • This embodiment containing the supplemental contact 60 is useful when the outer conductor of coaxial cables must be connected to electronic circuitry and yet not all of the outer conductors are to be connected to the same electronic circuit.
  • the above embodiments can be easily modified to provide for a second inner contact (not shown) connected to a second inner conductor of a coaxial cable and compatible with the standard male contacts.
  • the second inner contact must be electrically insulated from both the first inner contact 10 and the outer contact 30 and must be disposed so that the distance from the center of the second inner contact to the center of the first inner contact 10-is equal to the center-to-center distance of the male posts 80.
  • the shape of the outer contact 30 and the auxiliary contact 40 must be appropriately modified. No modification of the supplemental contact 60 is necessary.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

A connector for connecting conductors of a coaxially shielded cable 100 to male contacts 80 disposed in a row comprise an inner contact for connecting an inner conductor 90 of the cable to a male contact 80, an outer rectangular-section contact 30 spaced and insulated from the inner contact and connected to an outer conductor 92 of the cable, and a further contact (40 or 60) electrically connecting the outer contact 30 to one of the male contacts 80.

Description

  • This invention relates to connectors for connecting con- dutors 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 analog signals throughout 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. However, the usefulness of coaxially shielded cables has been limited by cumbersome and time consuming connection methods.
  • A requirement exists for an improved connector which allows the use of coaxially shielded cables in existing, well- developed hardware systems for packaging electronic circuitry.
  • According to the invention, there is provided 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-section 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 a further contact electrically connecting one or more of the outer contacts to one or more of said male contacts or to an external circuit.
  • The invention will now be particularly described, by way of example, with reference to the accompanying drawings in which:
    • Figure 1 is a perspective view of the first embodiment of the invention showing an auxiliary contact;
    • Figure 2 is a perspective view of a second embodiment of the invention showing a supplemental contact; and
    • Figure 3 is an axial cross-sectional view of a portion of a first embodiment of the-invention showing the first inner contact, the outer contact and the insulating element.
  • A first embodiment of a coaxial connector according to the present invention is described with reference to Figures 1 and 3 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 contacts 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 can be of lengths varying from approximately 0.2 inches (5 cms) to approximately 1 inch (2.5 cms) and transverse facial dimensions of 0.025 inches (0.064 cms) square. Round pin male contacts are typically between .020 inches (0.051 cms) and .035 inches (0.089 cms) 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 the outer conductor 92 of a coaxial cable 100. The axes of the first inner contact 10 and the outer contact 30 are substantially mutually coincident or parallel. The outer contact 30 is a hollow rectangular-section solid having a transverse face of which the dimension of the side extending along the row of contacts 80 is slightly smaller than the center-to-center distance of the contacts 80. This center-to-center distance can be as small as 0.100 inches (0.254 cms).
  • An auxiliary contact 40 is installed among a row of standard male contacts 80 by connecting a socket 50 of contact 40 onto a standard male contact 80 or by connecting two spaced sockets 50 of contact 40 on to two standard male contacts 80 spaced apart along a row of male contacts 80.
  • 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. For example, the auxiliary contact 40 can be shaped as a square wave, made of springy metal strip 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. Of course, 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.
  • 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 wasting space that occurs if the outer conductors are separately tied together or if each outer conductor is separately tied to the electronic circuitry. For example, 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.
  • A second embodiment of a coaxial connector according to the present invention is shown in Figure 2. Instead of using an auxiliary contact, this embodiment contains a supplemental contact 60. The supplemental contact 60 is disposed for connection to a male contact 80 adjacent to the male contact to which the first inner contact 10 of the connector is connected. The supplemental contact 60, which can be of trough shape as illustrated, is compatible with each of the standard male contacts 80, and is oriented so that its axis is substantially parallel to the outer contact 30. One axial face of the supplemental contact 60 is mechanically connected to a portion of one axial face of the outer contact 30 by a connecting element 70, for example, so that an electrical connector subsists at the interface.
  • This embodiment containing the supplemental contact 60 is useful when the outer conductor of coaxial cables must be connected to electronic circuitry and yet not all of the outer conductors are to be connected to the same electronic circuit.
  • The above embodiments can be easily modified to provide for a second inner contact (not shown) connected to a second inner conductor of a coaxial cable and compatible with the standard male contacts. The second inner contact must be electrically insulated from both the first inner contact 10 and the outer contact 30 and must be disposed so that the distance from the center of the second inner contact to the center of the first inner contact 10-is equal to the center-to-center distance of the male posts 80. In such a case,the shape of the outer contact 30 and the auxiliary contact 40 must be appropriately modified. No modification of the supplemental contact 60 is necessary.
  • It will be apparent that the number of connectors to be used will be limited by the number of male contacts which are not directly engaged by an auxiliary contact or a supplemental contact.

Claims (9)

1. 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-section 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 a further contact electrically connecting one or more of the outer contacts to one or more of said male contacts or to an external circuit.
2. A connector according to claim 1 further characterised by an insulating coating selectively applied to the outer contact and to the further contact to leave said contacts exposed substantially only at the connection between said outer contact and the further contact.
3. A connector according to claim 1 or claim 2, characterised in that said further contact is an auxiliary contact which is disposed among the male contacts.
4. A connector according to claim 3, characterised in that the auxiliary contact is a square wave shaped springy metal strip.
5. A connector according to claim 1 or claim 2, characterised in that said further contact is a supplemental contact compatible with each of a plurality of the male contacts, oriented substantially parallel to the outer contact, electrically and mechanically connected to said outer contact, and disposed for connection to a male contact adjacent to the male contact to which the inner contact is connected.
6. A connector according to any preceding claim, characterised by a second inner contact compatible with each of a plurality of the male contacts, housed within the outer contact, separated from said outer contact and from the first inner contact by the insulating element, and electrically connected to a second inner conductor of one of the coaxially shielded cables.
7. A connector according to any preceding claim, characterised in that the width of each outside face of the outer contact which lies along said row is slightly smaller than the center-to-center distance of the male contacts disposed in a row.
8. A connector according to any preceding claim, characterised in that said male contacts comprise square posts.
9. A connector according to any one of claims 1 to 7; characterised in that said male contacts comprise round pins.
EP82304427A 1981-08-24 1982-08-23 A connector for coaxially shielded cable Expired EP0074205B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82304427T ATE18106T1 (en) 1981-08-24 1982-08-23 CONNECTOR FOR A SHIELDED COAXIAL CABLE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29582481A 1981-08-24 1981-08-24
US295824 1999-04-21

Publications (2)

Publication Number Publication Date
EP0074205A1 true EP0074205A1 (en) 1983-03-16
EP0074205B1 EP0074205B1 (en) 1986-02-19

Family

ID=23139375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82304427A Expired EP0074205B1 (en) 1981-08-24 1982-08-23 A connector for coaxially shielded cable

Country Status (4)

Country Link
EP (1) EP0074205B1 (en)
JP (1) JPS5878376A (en)
AT (1) ATE18106T1 (en)
DE (1) DE3269185D1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131248A2 (en) * 1983-07-11 1985-01-16 W.L. Gore & Associates, Inc. Connector for coaxially shielded cable
EP0268441A2 (en) * 1986-11-18 1988-05-25 E.I. Du Pont De Nemours And Company Terminator for multiple electrical conductors
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
WO1994011926A1 (en) * 1992-11-17 1994-05-26 Gore Enterprise Holdings, Inc. Coaxial high-frequency plug-type connector for multiple coaxial lines
EP0677215A1 (en) * 1992-12-31 1995-10-18 Berg Electronics Manufacturing B.V. A connector with improved shielding
US5620340A (en) * 1992-12-31 1997-04-15 Berg Technology, Inc. Connector with improved shielding
US5842887A (en) * 1995-06-20 1998-12-01 Berg Technology, Inc. Connector with improved shielding
US6443740B1 (en) 1998-10-15 2002-09-03 Fci Americas Technology, Inc. Connector system
WO2003012934A1 (en) * 2001-07-21 2003-02-13 3M Innovative Properties Company Socket connector for receiving a plurality of termination sockets for coaxial cables
US7121888B2 (en) 2002-07-10 2006-10-17 3M Innovative Properties Company Multiple wire cable connector
EP1887659A1 (en) 2006-08-07 2008-02-13 3M Innovative Properties Company Electrical connection for coaxial cables
JP2022026128A (en) * 2020-07-30 2022-02-10 トヨタ自動車株式会社 Cooling device for heat exchanger

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533044A (en) * 1968-06-17 1970-10-06 Ibm Electrical connecting device
FR2334267A1 (en) * 1975-11-14 1977-07-01 Du Pont CONTACT DEVICE FOR CONNECTING A COAXIAL CABLE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5121875A (en) * 1974-08-15 1976-02-21 Yamato Scale Co Ltd KEISUHAKARI
JPS596035B2 (en) * 1977-10-13 1984-02-08 三菱電機株式会社 connector
JPS5848776Y2 (en) * 1979-09-27 1983-11-08 タケダ理研工業株式会社 Contact for coaxial cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533044A (en) * 1968-06-17 1970-10-06 Ibm Electrical connecting device
FR2334267A1 (en) * 1975-11-14 1977-07-01 Du Pont CONTACT DEVICE FOR CONNECTING A COAXIAL CABLE

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 21, no. 4, September 1978, pages 1571-1572, New York (USA); *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131248A2 (en) * 1983-07-11 1985-01-16 W.L. Gore & Associates, Inc. Connector for coaxially shielded cable
EP0131248A3 (en) * 1983-07-11 1986-02-19 W.L. Gore & Associates, Inc. Connector for coaxially shielded cable
US4964814A (en) * 1986-10-03 1990-10-23 Minnesota Mining And Manufacturing Co. Shielded and grounded connector system for coaxial cables
EP0268441A2 (en) * 1986-11-18 1988-05-25 E.I. Du Pont De Nemours And Company Terminator for multiple electrical conductors
EP0268441A3 (en) * 1986-11-18 1989-07-26 E.I. Du Pont De Nemours And Company Terminator for multiple electrical conductors
US5184965A (en) * 1991-05-17 1993-02-09 Minnesota Mining And Manufacturing Company Connector for coaxial cables
WO1994011926A1 (en) * 1992-11-17 1994-05-26 Gore Enterprise Holdings, Inc. Coaxial high-frequency plug-type connector for multiple coaxial lines
EP0677215A4 (en) * 1992-12-31 1996-02-07 Berg Tech Inc A connector with improved shielding.
EP0677215A1 (en) * 1992-12-31 1995-10-18 Berg Electronics Manufacturing B.V. A connector with improved shielding
US5620340A (en) * 1992-12-31 1997-04-15 Berg Technology, Inc. Connector with improved shielding
US5842887A (en) * 1995-06-20 1998-12-01 Berg Technology, Inc. Connector with improved shielding
US6443740B1 (en) 1998-10-15 2002-09-03 Fci Americas Technology, Inc. Connector system
WO2003012934A1 (en) * 2001-07-21 2003-02-13 3M Innovative Properties Company Socket connector for receiving a plurality of termination sockets for coaxial cables
US7011545B2 (en) 2001-07-21 2006-03-14 3M Innovative Properties Company Socket connector for receiving a plurality of termination sockets for coaxial cables
US7121888B2 (en) 2002-07-10 2006-10-17 3M Innovative Properties Company Multiple wire cable connector
EP1887659A1 (en) 2006-08-07 2008-02-13 3M Innovative Properties Company Electrical connection for coaxial cables
JP2022026128A (en) * 2020-07-30 2022-02-10 トヨタ自動車株式会社 Cooling device for heat exchanger

Also Published As

Publication number Publication date
ATE18106T1 (en) 1986-03-15
JPS5878376A (en) 1983-05-11
EP0074205B1 (en) 1986-02-19
JPH0326514B2 (en) 1991-04-11
DE3269185D1 (en) 1986-03-27

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