CA1064118A - Filtered connector assembly with composite ground plane - Google Patents
Filtered connector assembly with composite ground planeInfo
- Publication number
- CA1064118A CA1064118A CA249,835A CA249835A CA1064118A CA 1064118 A CA1064118 A CA 1064118A CA 249835 A CA249835 A CA 249835A CA 1064118 A CA1064118 A CA 1064118A
- Authority
- CA
- Canada
- Prior art keywords
- filter device
- plate
- aperture
- foil sheet
- metal plate
- 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
Links
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
- H01R13/66—Structural association with built-in electrical component
- H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
- H01R13/7197—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with filters integral with or fitted onto contacts, e.g. tubular filters
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Abstract of the Disclosure An electrical connector having one or more terminals carrying a tubular filter device, includes a composite ground plate formed of a rigid metal plate and a superposed metal foil sheet. Each filter device passes through a respective aperture in the rigid metal plate and an aligned aper-ture in the foil sheet. Each aperture in the foil sheet is defined by several circumferentially spaced inwardly directed tines which, on insertion of a tubular filter device, become progressively sandwiched between this device and the wall of the associated aperture in the rigid plate. This ensures good ground connection to the tubular filter device.
Description
This invention relates to an electrical connector, and particularly to an electrical connector comprising a housing carrying a plurality of electrical terminals at least one of which carries a tubular filter device.
Many electrical connectors now include filter devices which serve to filter out unwanted signals or interference on circuits passing through one or more terminals of the connector, and a particularly useful type of filter ..
device for this purpose is a tubular filter device o~ the type described in our Canadian Patent Specification No. 925582 which issued May 1, 1973.
Such a tubular filter device can be mounted on a -~ male electrical terminal with an inner electrode electrically connected to the terminal, and an outer electrode electrically connected to a ground conductor of the connector.
When a connector includes a plurality of such $ilter devices, then the ground conductor is often a rigid metal . ,: , .
plate through an individual aperture in which each of the filter devices passes, with the outer electrode o$ each filter device electrically connected to the ground plate, for example by means of solder.
However, the use of solder makes assembly o~ the connector time consuming and laborious, and also adds considerably to the weight of the connector.
In order to overcome these difficulties it has been proposed to replace the rigid metal plate by a thin resilient metal foil sheet having therein apertures defined by circumferentially spaced inwardly directed tines which are deflected on insertion of a filter device into the aperture, and thereafter resiliently engage the filter device to provide the necessary electrical connection.
~ .
. - .
However, with such a ground plate the tines can be easily damaged on insertion and withdrawal of a filter device, and reliable electrical connection cannot always be guaranteed.
According to this invention there is provided an electrical connector comprising a housing carrying a plurality of electrical terminals at least one of which - carries a tubular filter device, the connector including a ground conductor in the form of a plate through an individual aperture in which the or each of the filter devices p'asses with an electrode of the or each filter device electrically connected to the ground plate, in which the ground plate comprises a rigid metal plate with a metal foil sheet superposed on one face of the rigid metal plate, the or each filter device passing through an individual aperture in the rigid metal plate and an aligned aperture in the metal foil sheet, the or each aperture in the metal foil sheet being defined by a plurality of circumferentially spaced inwardly directed tines which are compressively sandwiched between the associated filter device and the wall of the aligned aperture in the rigid metal plate.
The connector of this invention is easy to manufacture and assembly with the filter devices being press fitted in apertures in the ground plate with the tlnes of the metal foil sheet providing the required - electrical connections and the rigid metal plate serving to provide support for the metal foil sheet and also acting as an anti-overstress stop preventina damage of the tines by permanent deformation thereof.
~ ~ 2a.
~ ~ti4il~ .
A connector according to this invention will now be described by way of example with reference to the drawings in which:-Figure 1 is an exploded perspective view of the eonnector;
Figure 2 is a side elevational view of the assembled : eonneetor;
Figure 3 is a plan view of part of the ground plate of the eonnector; and Flgure 4 is a cross-sectional view through part of the connéctor showing a filter device.
:':
, ~.
,, ' .
2b.
The connector shown in Figures 1 and 2 comprlses a housing 1 carrying a plurality of electrical terminals 2 ln the form of posts. The exact form of the housing 1 and the unseen ends of the terminals 2 is. of no significance to this invention, and will not therefore be described in detail herein.
One or more of the terminals 2 is to carry a tubular ad; ~ nl ~2 filter device 3 as described in~. Patent Specification JLJ q~5,~g~
; No. 37~3978, the filter device 3 being mounted on the terminal
Many electrical connectors now include filter devices which serve to filter out unwanted signals or interference on circuits passing through one or more terminals of the connector, and a particularly useful type of filter ..
device for this purpose is a tubular filter device o~ the type described in our Canadian Patent Specification No. 925582 which issued May 1, 1973.
Such a tubular filter device can be mounted on a -~ male electrical terminal with an inner electrode electrically connected to the terminal, and an outer electrode electrically connected to a ground conductor of the connector.
When a connector includes a plurality of such $ilter devices, then the ground conductor is often a rigid metal . ,: , .
plate through an individual aperture in which each of the filter devices passes, with the outer electrode o$ each filter device electrically connected to the ground plate, for example by means of solder.
However, the use of solder makes assembly o~ the connector time consuming and laborious, and also adds considerably to the weight of the connector.
In order to overcome these difficulties it has been proposed to replace the rigid metal plate by a thin resilient metal foil sheet having therein apertures defined by circumferentially spaced inwardly directed tines which are deflected on insertion of a filter device into the aperture, and thereafter resiliently engage the filter device to provide the necessary electrical connection.
~ .
. - .
However, with such a ground plate the tines can be easily damaged on insertion and withdrawal of a filter device, and reliable electrical connection cannot always be guaranteed.
According to this invention there is provided an electrical connector comprising a housing carrying a plurality of electrical terminals at least one of which - carries a tubular filter device, the connector including a ground conductor in the form of a plate through an individual aperture in which the or each of the filter devices p'asses with an electrode of the or each filter device electrically connected to the ground plate, in which the ground plate comprises a rigid metal plate with a metal foil sheet superposed on one face of the rigid metal plate, the or each filter device passing through an individual aperture in the rigid metal plate and an aligned aperture in the metal foil sheet, the or each aperture in the metal foil sheet being defined by a plurality of circumferentially spaced inwardly directed tines which are compressively sandwiched between the associated filter device and the wall of the aligned aperture in the rigid metal plate.
The connector of this invention is easy to manufacture and assembly with the filter devices being press fitted in apertures in the ground plate with the tlnes of the metal foil sheet providing the required - electrical connections and the rigid metal plate serving to provide support for the metal foil sheet and also acting as an anti-overstress stop preventina damage of the tines by permanent deformation thereof.
~ ~ 2a.
~ ~ti4il~ .
A connector according to this invention will now be described by way of example with reference to the drawings in which:-Figure 1 is an exploded perspective view of the eonnector;
Figure 2 is a side elevational view of the assembled : eonneetor;
Figure 3 is a plan view of part of the ground plate of the eonnector; and Flgure 4 is a cross-sectional view through part of the connéctor showing a filter device.
:':
, ~.
,, ' .
2b.
The connector shown in Figures 1 and 2 comprlses a housing 1 carrying a plurality of electrical terminals 2 ln the form of posts. The exact form of the housing 1 and the unseen ends of the terminals 2 is. of no significance to this invention, and will not therefore be described in detail herein.
One or more of the terminals 2 is to carry a tubular ad; ~ nl ~2 filter device 3 as described in~. Patent Specification JLJ q~5,~g~
; No. 37~3978, the filter device 3 being mounted on the terminal
2 by means of a contact spring 4 which is received within the filter device 3 and over the terminal 2, and provides an electrical connection between an inner electrode of the : filter device 3 and the terminal 2.
The connector also includes a composlte ground plate - 15 5 (Figures 3 and 4) formed of a rigid metal p.late 6 and a metal foil sheet 7 superposed on one face of the rigid metal plate 6.
The metal plate 6 has a plurality of apertures 8 therein, and the metal foil sheet 7 also has a plurality of apertures 9 therein each aligned with an individual aperture 8 in the metal plate 6 and defined by a plurality of circumferentially spaced inwardly directed t~nes 10.
The composite ground plate 5 is secured to the housing 1 by bolts 11 (Figure 2) with each of the terminals 2 passing through a pair of aligned apertures 8 and 9 in the ground .
plate 5.
As best seen in Figure 4, when a filter device 3 is mounted on a terminal 2, the filter device extends through the ground plate 5 with the tines 10 of the metal foil sheet 7 compressively sandwiched between the filter ~ 8676 device 3 and the wall of the aperture 8 in the metal plate 6, the tines lo thus providing the required electrical connection between the outer electrode of the filter device
The connector also includes a composlte ground plate - 15 5 (Figures 3 and 4) formed of a rigid metal p.late 6 and a metal foil sheet 7 superposed on one face of the rigid metal plate 6.
The metal plate 6 has a plurality of apertures 8 therein, and the metal foil sheet 7 also has a plurality of apertures 9 therein each aligned with an individual aperture 8 in the metal plate 6 and defined by a plurality of circumferentially spaced inwardly directed t~nes 10.
The composite ground plate 5 is secured to the housing 1 by bolts 11 (Figure 2) with each of the terminals 2 passing through a pair of aligned apertures 8 and 9 in the ground .
plate 5.
As best seen in Figure 4, when a filter device 3 is mounted on a terminal 2, the filter device extends through the ground plate 5 with the tines 10 of the metal foil sheet 7 compressively sandwiched between the filter ~ 8676 device 3 and the wall of the aperture 8 in the metal plate 6, the tines lo thus providing the required electrical connection between the outer electrode of the filter device
3 and the ground plate 5.
The filter devices 3 are electrically isolated from ; the housing 1 by an insulating spacer plate 12, and thus the housing 1 can be of metal.
In one particular connection as described above the metal plate 6 was of cold rolled steel 0.002 inches in :~
thickness, and the metal foil sheet 7 was ASTM Alloy 24, 0.003 inchQs in thickness, the metal foil sheet 7 being secured to the metal plate 6 by means of an electrically conductive epoxy adhesive material.
: As best seen in Figure 4, the tines 10 extend completely through and beyond the lower face of the metal plate 6 whereby their resiliency urges them radially inwardly to grip the outer electrode of the filter device 3.
. If a particular terminal 2 is not to carry a filter device 3, then the tines 10 are removed from the associated aperture 9 in ~he metal foil sheet 7 in order to prevent grounding of that terminal 2 to the ground plate 5.
- ' '
The filter devices 3 are electrically isolated from ; the housing 1 by an insulating spacer plate 12, and thus the housing 1 can be of metal.
In one particular connection as described above the metal plate 6 was of cold rolled steel 0.002 inches in :~
thickness, and the metal foil sheet 7 was ASTM Alloy 24, 0.003 inchQs in thickness, the metal foil sheet 7 being secured to the metal plate 6 by means of an electrically conductive epoxy adhesive material.
: As best seen in Figure 4, the tines 10 extend completely through and beyond the lower face of the metal plate 6 whereby their resiliency urges them radially inwardly to grip the outer electrode of the filter device 3.
. If a particular terminal 2 is not to carry a filter device 3, then the tines 10 are removed from the associated aperture 9 in ~he metal foil sheet 7 in order to prevent grounding of that terminal 2 to the ground plate 5.
- ' '
Claims (2)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. An electrical connector comprising a housing carrying a plurality of electrical terminals at least one of which carries a tubular filter device, the connector including a ground conductor in the form of a plate through an individual aperture in which the or each of the filter devices passes with an electrode of the or each filter device electrically connected to the ground plate, in which the ground plate comprises a rigid metal plate with a metal foil sheet superposed on one face of the rigid metal plate, the or each filter device passing through an individual aperture in the rigid metal plate and an aligned aperture in the metal foil sheet, the or each aperture in the metal foil sheet being defined by a plurality of circumferentially spaced inwardly directed tines which are compressively sandwiched between the associated filter device and the wall of the aligned aperture in the rigid metal plate.
2. A connector as claimed in Claim 1, in which the tines contacting a filter device extend completely through and beyond the other face of the rigid metal plate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57254075A | 1975-04-28 | 1975-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1064118A true CA1064118A (en) | 1979-10-09 |
Family
ID=24288289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA249,835A Expired CA1064118A (en) | 1975-04-28 | 1976-04-08 | Filtered connector assembly with composite ground plane |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS594833B2 (en) |
| BR (1) | BR7602537A (en) |
| CA (1) | CA1064118A (en) |
| CH (1) | CH597699A5 (en) |
| DE (1) | DE2617273C2 (en) |
| ES (1) | ES447343A1 (en) |
| FI (1) | FI761162A (en) |
| FR (1) | FR2309996A1 (en) |
| GB (1) | GB1489853A (en) |
| HK (1) | HK17679A (en) |
| IT (1) | IT1060020B (en) |
| NL (1) | NL185699C (en) |
| SE (1) | SE422387B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55104343U (en) * | 1979-01-16 | 1980-07-21 | ||
| US4516815A (en) * | 1982-06-07 | 1985-05-14 | Spectrum Control, Inc. | RF filter connector |
| JPS59171327U (en) * | 1983-04-30 | 1984-11-16 | 太陽誘電株式会社 | porcelain capacitor block |
| JPS6149989U (en) * | 1984-09-05 | 1986-04-03 | ||
| US4647122A (en) * | 1985-08-16 | 1987-03-03 | Itt Corporation | Filter connector |
| FR2606207B1 (en) * | 1987-01-30 | 1991-04-26 | Eurofarad | ELECTRONIC FILTER ASSEMBLY WITH DISCRETE CAPACITIVE ELEMENTS |
| JPH0795462B2 (en) * | 1988-12-23 | 1995-10-11 | 株式会社村田製作所 | Connector with noise filter function |
| JP2754024B2 (en) * | 1988-12-28 | 1998-05-20 | 株式会社村田製作所 | Filter connector |
| JPH02216783A (en) * | 1989-02-16 | 1990-08-29 | Fujitsu Ltd | Connector |
| DE4219806C2 (en) * | 1992-06-17 | 1994-12-22 | Cannon Electric Gmbh | Filter connectors |
| DE4339653A1 (en) * | 1992-12-04 | 1994-06-09 | Fichtel & Sachs Ag | Connection device for an electrical arrangement shielded from an electrically conductive wall of a housing |
| GB2273210B (en) * | 1992-12-04 | 1996-08-07 | Fichtel & Sachs Ag | Connection device for an electrical arrangement shielded by an electrically conductive wall of a housing |
| DE4342326C2 (en) * | 1993-12-11 | 1996-12-12 | Filtec Gmbh | Planar filter for a multipole connector |
| US6078117A (en) * | 1997-08-27 | 2000-06-20 | Nartron Corporation | End cap assembly and electrical motor utilizing same |
| US5982253A (en) * | 1997-08-27 | 1999-11-09 | Nartron Corporation | In-line module for attenuating electrical noise with male and female blade terminals |
| US10103497B2 (en) * | 2016-08-08 | 2018-10-16 | Te Connectivity Corporation | Grounding connector having compliant grounding contacts |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1207396A (en) * | 1966-10-06 | 1970-09-30 | Bunker Ramo | Filtered connector |
| US3579155A (en) * | 1967-02-01 | 1971-05-18 | Bunker Ramo | Filtered connector pin contact |
| US3588758A (en) * | 1969-04-28 | 1971-06-28 | Itt | Electrical connector filter having dielectric and ferromagnetic tubes bonded together with conductive electrode layers and having nonintegral connecting spring |
| US3743978A (en) * | 1969-12-09 | 1973-07-03 | W Fritz | Coated ferrite rf filters |
| US3648222A (en) * | 1970-03-16 | 1972-03-07 | Bunker Ramo | Electrical connector having laminated contact element |
| US3743979A (en) * | 1971-07-15 | 1973-07-03 | Amp Inc | Filtered connector with barrel spring contact |
| BE786785A (en) * | 1971-07-28 | 1973-01-26 | Amp Inc | ELECTRICAL FILTERING ELEMENT |
| US3781723A (en) * | 1972-01-21 | 1973-12-25 | Amp Inc | Coated ferrite filters having stamped and formed outer sleeves |
-
1976
- 1976-04-08 CA CA249,835A patent/CA1064118A/en not_active Expired
- 1976-04-09 NL NLAANVRAGE7603783,A patent/NL185699C/en not_active IP Right Cessation
- 1976-04-20 GB GB15831/76A patent/GB1489853A/en not_active Expired
- 1976-04-21 DE DE2617273A patent/DE2617273C2/en not_active Expired
- 1976-04-22 JP JP51045013A patent/JPS594833B2/en not_active Expired
- 1976-04-22 CH CH504376A patent/CH597699A5/en not_active IP Right Cessation
- 1976-04-26 BR BR2537/76A patent/BR7602537A/en unknown
- 1976-04-26 ES ES447343A patent/ES447343A1/en not_active Expired
- 1976-04-26 IT IT22663/76A patent/IT1060020B/en active
- 1976-04-27 FI FI761162A patent/FI761162A/fi not_active Application Discontinuation
- 1976-04-27 FR FR7612440A patent/FR2309996A1/en active Granted
- 1976-04-28 SE SE7604867A patent/SE422387B/en not_active IP Right Cessation
-
1979
- 1979-03-29 HK HK176/79A patent/HK17679A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2309996B1 (en) | 1982-08-20 |
| GB1489853A (en) | 1977-10-26 |
| FI761162A (en) | 1976-10-29 |
| FR2309996A1 (en) | 1976-11-26 |
| HK17679A (en) | 1979-04-06 |
| NL185699B (en) | 1990-01-16 |
| NL185699C (en) | 1990-06-18 |
| ES447343A1 (en) | 1977-07-01 |
| AU1314376A (en) | 1977-10-27 |
| SE422387B (en) | 1982-03-01 |
| DE2617273C2 (en) | 1985-01-31 |
| NL7603783A (en) | 1976-11-01 |
| JPS594833B2 (en) | 1984-02-01 |
| DE2617273A1 (en) | 1976-11-11 |
| IT1060020B (en) | 1982-07-10 |
| JPS51130889A (en) | 1976-11-13 |
| CH597699A5 (en) | 1978-04-14 |
| SE7604867L (en) | 1976-10-29 |
| BR7602537A (en) | 1976-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1064118A (en) | Filtered connector assembly with composite ground plane | |
| EP0003162A1 (en) | Electrical connector with filters | |
| US4020430A (en) | Filtered connector assembly with composite ground plane | |
| US4660907A (en) | EMI filter connector block | |
| US4083022A (en) | Planar pi multi-filter having a ferrite inductance for pin filters in electrical connectors | |
| US5620340A (en) | Connector with improved shielding | |
| US4458220A (en) | Electrical connector and filter circuit | |
| EP0677213B1 (en) | Interconnection system | |
| US5766043A (en) | Telephone connector | |
| US5287076A (en) | Discoidal array for filter connectors | |
| DE69008029T2 (en) | Planar filter arrangement, which is relieved of mechanical stress. | |
| US5151054A (en) | Electrical connector shell and grounding spring therefor | |
| US4212510A (en) | Filtered header | |
| CA1098600A (en) | Electrical connector shielded against interference | |
| US9203194B2 (en) | Electrical connector | |
| JPH0126150B2 (en) | ||
| US5842887A (en) | Connector with improved shielding | |
| JPS597190B2 (en) | electrical connectors | |
| EP0677215B1 (en) | A connector with improved shielding | |
| EP0601327B1 (en) | High density filtered connector | |
| US5192233A (en) | Grounding block | |
| US4589720A (en) | Planar electronic filter element and a connector embodying such a filter | |
| US3806859A (en) | Contacts for pin terminals | |
| US4979904A (en) | Grounding disc | |
| US5830016A (en) | Interference-proof device for electric connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |
Effective date: 19961009 |