EP0074205A1 - A connector for coaxially shielded cable - Google Patents
A connector for coaxially shielded cable Download PDFInfo
- 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
Links
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 230000000153 supplemental effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R2103/00—Two poles
-
- 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
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
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 firstinner conductor 90 of acoaxial cable 100 at junction 91. The standard square postmale 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 anouter contact 30 to which is connected theouter conductor 92 of acoaxial cable 100. The axes of the first inner contact 10 and theouter contact 30 are substantially mutually coincident or parallel. Theouter contact 30 is a hollow rectangular-section solid having a transverse face of which the dimension of the side extending along the row ofcontacts 80 is slightly smaller than the center-to-center distance of thecontacts 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 standardmale contacts 80 by connecting asocket 50 ofcontact 40 onto a standardmale contact 80 or by connecting two spacedsockets 50 ofcontact 40 on to two standardmale contacts 80 spaced apart along a row ofmale contacts 80. - The
auxiliary contact 40 can be made from a strip of any highly conductive material. The shape of theauxiliary contact 40 is such that a portion of theauxiliary contact 40 contacts a portion of theouter contact 30 whenever anouter contact 30 is connected to one of the standard male contacts disposed in a row. For example, theauxiliary contact 40 can be shaped as a square wave, made of springy metal strip and installed among a row of standardmale contacts 80 such that, whenever anouter contact 30 is connected to one of the standard male contacts, three axial-faces of thatouter contact 30 contact portions of theauxiliary contact 40. Of course, other shapes are possible which will also provide sufficient contact between theauxiliary contact 40 and anouter contact 30. - The
outer contact 30 can be selectively supplied with an electrically insulating coating to leave exposed only portions of theouter 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 thesocket 50 of theauxiliary 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 theauxiliary 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. Thesupplemental contact 60 is disposed for connection to amale contact 80 adjacent to the male contact to which the first inner contact 10 of the connector is connected. Thesupplemental contact 60, which can be of trough shape as illustrated, is compatible with each of the standardmale contacts 80, and is oriented so that its axis is substantially parallel to theouter contact 30. One axial face of thesupplemental contact 60 is mechanically connected to a portion of one axial face of theouter contact 30 by a connectingelement 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 themale posts 80. In such a case,the shape of theouter contact 30 and theauxiliary contact 40 must be appropriately modified. No modification of thesupplemental 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)
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)
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)
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)
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)
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 |
-
1982
- 1982-08-23 DE DE8282304427T patent/DE3269185D1/en not_active Expired
- 1982-08-23 EP EP82304427A patent/EP0074205B1/en not_active Expired
- 1982-08-23 AT AT82304427T patent/ATE18106T1/en not_active IP Right Cessation
- 1982-08-24 JP JP57145609A patent/JPS5878376A/en active Granted
Patent Citations (2)
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)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 21, no. 4, September 1978, pages 1571-1572, New York (USA); * |
Cited By (17)
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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