EP0223586A2 - Electrical connectors with versatile contact cavities - Google Patents
Electrical connectors with versatile contact cavities Download PDFInfo
- Publication number
- EP0223586A2 EP0223586A2 EP86308965A EP86308965A EP0223586A2 EP 0223586 A2 EP0223586 A2 EP 0223586A2 EP 86308965 A EP86308965 A EP 86308965A EP 86308965 A EP86308965 A EP 86308965A EP 0223586 A2 EP0223586 A2 EP 0223586A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- socket contact
- cavity
- orientable
- contact
- socket
- 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.)
- Withdrawn
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
-
- 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
- H01R13/64—Means for preventing incorrect coupling
- H01R13/642—Means for preventing incorrect coupling by position or shape of contact members
Definitions
- This invention relates to the field of electrical connectors and more particularly to the field of electrical connectors having pin and socket contacts.
- the pin In typical pin and socket contacts the pin is generally cylindrical in form and mates with a complementary socket contact. Since the pin contact presents a rounded configuration, the orientation of the mating socket contact is not important. However, were the pin contact not round, such as would be the case if it were a blade contact or wirewrap post, then it would be important for the mating socket contact to be orientable so as to be properly aligned when mating with the non-circular contact.
- socket contacts are typically held in a connector body by a retention clip.
- the portion of the connector body where the retention clip is located and the retention area of the socket contact held by the retention clip are typically standardized so that it would be undesirable to change their configuration in any respect.
- the socket part of the socket contact one would still want to retain the same contact retention area of the socket contact so that only one common contact insertion-release tool would be needed for a variety of different parts. This is an important logistical consideration in servicing connectors in use.
- each socket contact has a wire termination area which typically receives a wire and is then crimped so as to retain the wire. It would be desirable to keep the wire termination area of the contact constant regardless of the configuration of the socket contact portion so that only one common tool is required to crimp the wire termination area onto the end of a wire. Again, this is an important logistical consideration in servicing the connector.
- socket contact and connector body suitably configured so that the socket contact is orientable within the connector body but wherein the retention area of the socket contact and the termination area of the socket contact are standardized with other socket contacts which do not require orientation within the connector body.
- this invention relates to an electrical connector comprising an orientable socket contact in a connector body having a cavity for receiving this socket contact.
- a particular advantage of the invention is that the connector body cavity is so configured that a non-orientable socket contact when inserted into the connector body cavity is freely rotatable and thus not orientable with respect to the connector body.
- FIG. l there is shown a connector half l0 with a mating connector half l2.
- a connector housing l4 usually metallic, surrounding a body or mass l6 of insulating material.
- cavities l8 each defined by a wall l9 for receiving a socket contact.
- the socket contact generally indicated by 20 is inserted into the connector body cavity l8 and held there by retention clip tines 22.
- a wire 24 is inserted into the wire termination area 40 of the socket contact and then crimped so as to hold the wire in place.
- mating connector half l2 there is shown a round contact pin generally indicated by 26 similarly held in place by retention clips 28.
- the mating connector half also has a connector housing 30, a body of insulation 32 and a cavity 34 for receiving the contact pins. It can be appreciated that when the respective connector halves are placed face to face the contact pin enters the socket contact. It should be apparent that since these contact pins are round, the orientation of the socket contact is unimportant.
- FIG 2 there is an enlarged perspective view of a typical socket contact generally indicated by 20.
- the typical socket contact consists of a barrel 36, a retention area 38 and a wire termination area 40.
- Over the barrel of the socket contact there may be placed a hood 46 which allows for easy insertion of the socket contact through any rubber grommets which are typically placed around socket contacts for sealing.
- the hood 46 is usually crimped to the barrel 36 of the socket contact at the hood attachment zone 47.
- FIG 3 there is shown a perspective view of a socket contact 50 according to the invention. While the hood is not shown with this socket contact, it should be understood that the socket contact may, and usually will, include one.
- a hood attachment zone 5l is provided for this purpose. It can be seen that this socket contact also has a barrel area 52, a retention area 54 and a wire termination area 56. It should be understood that the barrel area 52 generally denotes the forward part of the socket contact whether or not there is actually a hood in place.
- the electrical engagement area 58 is different in that now the electrical engagement area consists of flat or slightly convex surfaces 60 for receiving a blade contact. The electrical engagement area could be configured slightly differently (not shown) so as to be able to accept a square contact such as a wirewrap post.
- a means generally indicated by 62 for orienting the socket contact within the connector body cavity is also shown in figure 3.
- orienting means that the socket contact is in fixed relation to the connector body so that rotation of the socket contact with respect to the connector body is not possible.
- this orientation means will comprise a non-circular structure which will appear non-circular in crossection and which is also noncircular about a longitudinal axis of the barrel.
- the particular noncircular structure shown in figure 3 comprises a structure 64 having at least one flat surface 66 adjacent to the retention area 54 and having a cross-sectional area smaller than a cross-sectional area of the retention area. It can be appreciated that the retention area and wire termination area are typically cylindrical in appearance.
- the noncircular structure may appear, as in figure 3, as a cylinder having at least one flat surface ground off the side of the cylinder. As shown in figure 3, there is a second flat surface 68 so as to present what is commonly known as a double D-shape crossection.
- the noncircular structure may be only relatively short in length as shown in figure 3 or it may extend for some length along the barrel or even along the whole length of the barrel. By way of illustration and not of limitation, the noncircular structure may also be square or rectangular to fit the particular situation.
- the operation of the electrical connector can be seen more clearly in figure 4 where the socket contact 50 is shown in the connector body cavity l8.
- the connector body cavity l8 may be described in more detail by the mass of insulating material l6 having at least one wall 70 defining a first cavity 72 and at least a second wall 74 defining a smaller socket contact cavity 76 contiguous with the first cavity.
- the wall 74 defining the socket contact cavity 76 has at least a portion 78 which is noncircular.
- the remainder of the socket contact cavity wall will usually be circular in crossection. This portion of the socket contact cavity which is noncircular will be complementary to the noncircular structure 66, 68 of the socket contact.
- the noncircular portion 78 of the socket contact cavity may assume different shapes complementary with the noncircular structure 62 of the socket contact.
- the noncircular portion 78 may be D-shaped when viewed in crossection or it may be rectangular when viewed in crossection.
- the orientable socket contact will be inserted into the connector body cavity.
- This electrical connector system may comprise a non-orientable socket contact 20, an orientable socket contact 50 and a connector body l0 having at least one wall l9 defining at least one cavity l8 for receiving a socket contact.
- the electrical engagement area 42 of the non-orientable socket contact will consist of rounded contact surfaces 44 but the electrical engagement area 58 of the orientable socket contact will consist of flat or slightly convex contact surfaces 60, configured to mate with flat contact surfaces.
- This socket contact 80 also has a noncircular structure for orienting the contact within a connector body but in this case the noncircular structure 82 comprises a key or projection. While not shown, the connector body will have a mating keyway or slot for receiving the key or projection of the socket contact.
- This socket contact 90 is similar to the socket contacts discussed earlier having a noncircular structure but in this case the noncircular structure 92 comprises a keyway or slot.
- the keyway or slot is for receiving a key or projection (not shown) on the connector body.
- the means for orienting the orientable socket contact may be located on the socket contact itself as shown in Figures 3 and 4, or on the hood, as shown in Figures 5 and 6.
- Figure 7 illustrates the connector body cavity l8 with the orientable socket contact 50 partially inserted therein.
- the socket contact orientation means 62 comprising a non-circular cross section, may extend for some length or even along the entire length of barrel 52, it is preferred that said orientation means be confined within annular space l00.
- Annular space l00 is bounded by the generation of inner surface l02 of retention clip tines 22 about the longitudinal axis l04 of the socket contact when the free ends 25 of tines 22 are in contact with barrel 52, and the base/root 23 of tines 22 are in contact with the leading edge 55 of retention area 54.
- the tines 22 By confining the socket contact orientation means 62 within annular space l00, the tines 22 cannot come into physical contact with the orientation means during insertion of the socket contact into the cavity. This is particularly important in order to avoid damage to the tines 22 should an orientable socket contact be rotated while partially inserted in the cavity.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
- This invention relates to the field of electrical connectors and more particularly to the field of electrical connectors having pin and socket contacts.
- In typical pin and socket contacts the pin is generally cylindrical in form and mates with a complementary socket contact. Since the pin contact presents a rounded configuration, the orientation of the mating socket contact is not important. However, were the pin contact not round, such as would be the case if it were a blade contact or wirewrap post, then it would be important for the mating socket contact to be orientable so as to be properly aligned when mating with the non-circular contact.
- Thus it would be desirable to have a way to orient the socket contact so as to present the proper orientation when mating with a non-circular pin contact such as a blade contact or wirewrap past.
- These socket contacts are typically held in a connector body by a retention clip.The portion of the connector body where the retention clip is located and the retention area of the socket contact held by the retention clip are typically standardized so that it would be undesirable to change their configuration in any respect. Thus, if one were to change the socket part of the socket contact one would still want to retain the same contact retention area of the socket contact so that only one common contact insertion-release tool would be needed for a variety of different parts. This is an important logistical consideration in servicing connectors in use.
- Similarly each socket contact has a wire termination area which typically receives a wire and is then crimped so as to retain the wire. It would be desirable to keep the wire termination area of the contact constant regardless of the configuration of the socket contact portion so that only one common tool is required to crimp the wire termination area onto the end of a wire. Again, this is an important logistical consideration in servicing the connector.
- Accordingly, it is an object of the invention to have a socket contact and connector body suitably configured so that the socket contact is orientable within the connector body but wherein the retention area of the socket contact and the termination area of the socket contact are standardized with other socket contacts which do not require orientation within the connector body.
- This and other objects of the invention will become apparent after reference to the following description considered in conjunction with the drawings.
- In its broadest aspect this invention relates to an electrical connector comprising an orientable socket contact in a connector body having a cavity for receiving this socket contact. There are means within the cavity of the connector body and complementary means on the orientable socket contact for orienting the orientable socket contact with respect to the connector body when the orientable socket contact is inserted into the connector body cavity.
- A particular advantage of the invention is that the connector body cavity is so configured that a non-orientable socket contact when inserted into the connector body cavity is freely rotatable and thus not orientable with respect to the connector body.
- Figure l is a crossectional view of a typical connector half with a mating connector half.
- Figure 2 is a perspective view of a typical socket contact and hood.
- Figure 3 is a perspective view of a socket contact according to the invention.
- Figure 4 is an enlarged partial crossectional view of the connector body cavity shown in Figure l with the socket contact according to the invention.
- Figure 5 is a perspective view of another socket contact according to the invention.
- Figure 6 is a perspective view of a still further socket contact according to the invention.
- Figure 7 is a view similar to Figure 4 but with the socket contact according to the invention only partially inserted in the connector body cavity.
- Referring to the figures in more detail and more particularly referring to figure l there is shown a connector half l0 with a mating connector half l2. As shown in the figure there is a connector housing l4, usually metallic, surrounding a body or mass l6 of insulating material. Within the insulating material there are cavities l8 each defined by a wall l9 for receiving a socket contact. To those skilled in the art, these are known as rear insertion socket contacts. The socket contact generally indicated by 20 is inserted into the connector body cavity l8 and held there by
retention clip tines 22. Prior to insertion of the socket contact into the connector body cavity awire 24 is inserted into thewire termination area 40 of the socket contact and then crimped so as to hold the wire in place. - In the mating connector half l2 there is shown a round contact pin generally indicated by 26 similarly held in place by
retention clips 28. The mating connector half also has aconnector housing 30, a body ofinsulation 32 and acavity 34 for receiving the contact pins. It can be appreciated that when the respective connector halves are placed face to face the contact pin enters the socket contact. It should be apparent that since these contact pins are round, the orientation of the socket contact is unimportant. - Referring now to figure 2 there is an enlarged perspective view of a typical socket contact generally indicated by 20. The typical socket contact consists of a
barrel 36, aretention area 38 and awire termination area 40. There is also anelectrical engagement area 42 which, as to be expected, consists ofround surfaces 44 so as to accept a generally rounded contact pin. Over the barrel of the socket contact, there may be placed ahood 46 which allows for easy insertion of the socket contact through any rubber grommets which are typically placed around socket contacts for sealing. Thehood 46 is usually crimped to thebarrel 36 of the socket contact at thehood attachment zone 47. - Referring now to figure 3 there is shown a perspective view of a
socket contact 50 according to the invention. While the hood is not shown with this socket contact, it should be understood that the socket contact may, and usually will, include one. A hood attachment zone 5l is provided for this purpose. It can be seen that this socket contact also has abarrel area 52, aretention area 54 and awire termination area 56. It should be understood that thebarrel area 52 generally denotes the forward part of the socket contact whether or not there is actually a hood in place. However, theelectrical engagement area 58 is different in that now the electrical engagement area consists of flat or slightlyconvex surfaces 60 for receiving a blade contact. The electrical engagement area could be configured slightly differently (not shown) so as to be able to accept a square contact such as a wirewrap post. - Also shown in figure 3 is a means generally indicated by 62 for orienting the socket contact within the connector body cavity. It should be understood that "orienting" means that the socket contact is in fixed relation to the connector body so that rotation of the socket contact with respect to the connector body is not possible. Generally speaking this orientation means will comprise a non-circular structure which will appear non-circular in crossection and which is also noncircular about a longitudinal axis of the barrel. The particular noncircular structure shown in figure 3 comprises a
structure 64 having at least oneflat surface 66 adjacent to theretention area 54 and having a cross-sectional area smaller than a cross-sectional area of the retention area. It can be appreciated that the retention area and wire termination area are typically cylindrical in appearance. Thus the noncircular structure may appear, as in figure 3, as a cylinder having at least one flat surface ground off the side of the cylinder. As shown in figure 3, there is a secondflat surface 68 so as to present what is commonly known as a double D-shape crossection. The noncircular structure may be only relatively short in length as shown in figure 3 or it may extend for some length along the barrel or even along the whole length of the barrel. By way of illustration and not of limitation, the noncircular structure may also be square or rectangular to fit the particular situation. - The operation of the electrical connector can be seen more clearly in figure 4 where the
socket contact 50 is shown in the connector body cavity l8. The connector body cavity l8 may be described in more detail by the mass of insulating material l6 having at least onewall 70 defining afirst cavity 72 and at least asecond wall 74 defining a smallersocket contact cavity 76 contiguous with the first cavity. Thewall 74 defining thesocket contact cavity 76 has at least aportion 78 which is noncircular. The remainder of the socket contact cavity wall will usually be circular in crossection. This portion of the socket contact cavity which is noncircular will be complementary to thenoncircular structure retention area 54. Hood 79 may be provided if desirable. - As alluded to earlier, the
noncircular portion 78 of the socket contact cavity may assume different shapes complementary with thenoncircular structure 62 of the socket contact. By way of illustration and not of limitation thenoncircular portion 78 may be D-shaped when viewed in crossection or it may be rectangular when viewed in crossection. In use the orientable socket contact will be inserted into the connector body cavity. In the broadest aspect of the invention there are means 78 on thesecond wall 74 defining the socket contact cavity andcomplementary means 62 on the barrel of the socket contact for orienting the socket contact with respect to the connector body. These means may include the various noncircular structures discussed previously as well as noncircular structures to be discussed in more detail hereafter. Once the socket contact is properly oriented within the connector body it is now properly aligned so as to receive a flat or other noncircular pin contact. - Now this invention has particular advantages for forming an electrical connector system. This electrical connector system may comprise a
non-orientable socket contact 20, anorientable socket contact 50 and a connector body l0 having at least one wall l9 defining at least one cavity l8 for receiving a socket contact. There will be means 78 on the cavity wall andcomplementary means 62 on the orientable socket contact for orienting only the orientable socket contact with respect to the connector body when the orientable socket contact is inserted into the connector body cavity. It is particularly advantageous that the non orientable socket contact when inserted into the connector body cavity is freely rotatable and thus not oriented with respect to the connector body. In this electrical connector system theelectrical engagement area 42 of the non-orientable socket contact will consist of rounded contact surfaces 44 but theelectrical engagement area 58 of the orientable socket contact will consist of flat or slightly convex contact surfaces 60, configured to mate with flat contact surfaces. - As shown in figure 5 there is a further embodiment of the socket contact according to the invention. This
socket contact 80 also has a noncircular structure for orienting the contact within a connector body but in this case thenoncircular structure 82 comprises a key or projection. While not shown, the connector body will have a mating keyway or slot for receiving the key or projection of the socket contact. - As shown in figure 6 there is another embodiment of the socket contact according to the invention. This
socket contact 90 is similar to the socket contacts discussed earlier having a noncircular structure but in this case thenoncircular structure 92 comprises a keyway or slot. The keyway or slot is for receiving a key or projection (not shown) on the connector body. - It should be apparent that the means for orienting the orientable socket contact may be located on the socket contact itself as shown in Figures 3 and 4, or on the hood, as shown in Figures 5 and 6.
- Figure 7 illustrates the connector body cavity l8 with the
orientable socket contact 50 partially inserted therein. Although the socket contact orientation means 62, comprising a non-circular cross section, may extend for some length or even along the entire length ofbarrel 52, it is preferred that said orientation means be confined within annular space l00. Annular space l00 is bounded by the generation of inner surface l02 ofretention clip tines 22 about the longitudinal axis l04 of the socket contact when the free ends 25 oftines 22 are in contact withbarrel 52, and the base/root 23 oftines 22 are in contact with the leadingedge 55 ofretention area 54. By confining the socket contact orientation means 62 within annular space l00, thetines 22 cannot come into physical contact with the orientation means during insertion of the socket contact into the cavity. This is particularly important in order to avoid damage to thetines 22 should an orientable socket contact be rotated while partially inserted in the cavity. - It will be apparent to those skilled in the art having regard to this disclosure that other modifications of this invention beyond those embodiments specifically described here may be made without departing from the spirit of the invention. Accordingly, such modifications are considered within the scope of the invention as limited solely by the appended claims.
Claims (17)
a barrel having an electrical engagement area at one end and a retention area and a wire termination area at the other end;
and a noncircular structure located on said barrel which is noncircular about a longitudinal axis of the barrel.
a mass of insulating material having at least one wall defining a first cavity and at least a second wall defining a smaller socket contact cavity contiguous with the first cavity, the wall defining the socket contact cavity having at least a portion which is noncircular when viewed in crossection.
an orientable socket contact comprising a barrel having an electrical engagement area at one end and a retention area and a wire termination area at the other end; and
a connector body comprising a mass of insulating material having at least one wall defining a first cavity with a means for retaining a socket contact in position therein and at least a second wall defining a smaller socket contact cavity contiguous with the first cavity;
said socket contact inserted into said connector body;
means on the second wall defining the socket contact cavity and complementary means on the barrel of said socket contact for orienting said socket contact with respect to said connector body.
a non-orientable socket contact;
an orientable socket contact; and
a connector body having at least one wall defining at least one cavity for receiving a socket contact;
means on the cavity wall and complementary means on said orientable socket contact for orienting only said orientable socket contact with respect to said connector body when said orientable socket contact is inserted into said connector body cavity, said non-orientable socket contact being freely rotatable with respect to said connector body when said non-orientable socket contact is inserted into said connector body cavity.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79943385A | 1985-11-19 | 1985-11-19 | |
US799433 | 1985-11-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0223586A2 true EP0223586A2 (en) | 1987-05-27 |
EP0223586A3 EP0223586A3 (en) | 1989-11-15 |
Family
ID=25175902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86308965A Withdrawn EP0223586A3 (en) | 1985-11-19 | 1986-11-17 | Electrical connectors with versatile contact cavities |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0223586A3 (en) |
JP (1) | JPS62131485A (en) |
KR (1) | KR870005487A (en) |
BR (1) | BR8605688A (en) |
IL (1) | IL80309A0 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386742A1 (en) * | 1989-03-08 | 1990-09-12 | Japan Aviation Electronics Industry, Limited | Electrical connector with socket contacts of different sizes having means for preventing erroneous connection |
FR2673489A1 (en) * | 1991-03-01 | 1992-09-04 | Itt Composants Instr | Electrical connector including built-in latching and coding means |
EP1162697A2 (en) | 2000-06-09 | 2001-12-12 | Sumitomo Wiring Systems, Ltd. | Female terminal fitting |
US7201612B1 (en) * | 2006-05-11 | 2007-04-10 | Barry Hou | High amperage electrical connector |
US7614023B2 (en) | 2006-10-25 | 2009-11-03 | Infineon Technologies Ag | System for estimating a terminal capacitance and for characterizing a circuit |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0515732Y2 (en) * | 1987-11-26 | 1993-04-26 | ||
JPH0515731Y2 (en) * | 1987-11-02 | 1993-04-26 | ||
JP4358258B2 (en) | 2007-05-29 | 2009-11-04 | 日本航空電子工業株式会社 | connector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2089844A (en) * | 1934-03-28 | 1937-08-10 | Alf E Anderson | Electrical connecter |
FR1349619A (en) * | 1962-04-13 | 1964-01-17 | Light & Power Accessories Comp | Electrical connections to plug socket |
-
1986
- 1986-10-15 IL IL80309A patent/IL80309A0/en unknown
- 1986-11-17 KR KR860009688A patent/KR870005487A/en not_active Application Discontinuation
- 1986-11-17 EP EP86308965A patent/EP0223586A3/en not_active Withdrawn
- 1986-11-18 BR BR8605688A patent/BR8605688A/en unknown
- 1986-11-19 JP JP61276381A patent/JPS62131485A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2089844A (en) * | 1934-03-28 | 1937-08-10 | Alf E Anderson | Electrical connecter |
FR1349619A (en) * | 1962-04-13 | 1964-01-17 | Light & Power Accessories Comp | Electrical connections to plug socket |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0386742A1 (en) * | 1989-03-08 | 1990-09-12 | Japan Aviation Electronics Industry, Limited | Electrical connector with socket contacts of different sizes having means for preventing erroneous connection |
FR2673489A1 (en) * | 1991-03-01 | 1992-09-04 | Itt Composants Instr | Electrical connector including built-in latching and coding means |
EP1162697A2 (en) | 2000-06-09 | 2001-12-12 | Sumitomo Wiring Systems, Ltd. | Female terminal fitting |
EP1162697A3 (en) * | 2000-06-09 | 2002-05-29 | Sumitomo Wiring Systems, Ltd. | Female terminal fitting |
US6565396B2 (en) | 2000-06-09 | 2003-05-20 | Sumitomo Wiring Systems, Ltd. | Female terminal fitting |
US7201612B1 (en) * | 2006-05-11 | 2007-04-10 | Barry Hou | High amperage electrical connector |
US7614023B2 (en) | 2006-10-25 | 2009-11-03 | Infineon Technologies Ag | System for estimating a terminal capacitance and for characterizing a circuit |
Also Published As
Publication number | Publication date |
---|---|
EP0223586A3 (en) | 1989-11-15 |
IL80309A0 (en) | 1987-01-30 |
KR870005487A (en) | 1987-06-09 |
BR8605688A (en) | 1987-08-18 |
JPS62131485A (en) | 1987-06-13 |
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