CN101924286B - Arrangement structure of differential contact elements and electric connector with structure - Google Patents
Arrangement structure of differential contact elements and electric connector with structure Download PDFInfo
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- CN101924286B CN101924286B CN 201010226381 CN201010226381A CN101924286B CN 101924286 B CN101924286 B CN 101924286B CN 201010226381 CN201010226381 CN 201010226381 CN 201010226381 A CN201010226381 A CN 201010226381A CN 101924286 B CN101924286 B CN 101924286B
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Abstract
The invention discloses an arrangement structure of differential contact elements and an electric connector with the structure. The arrangement structure comprises more than two groups of differential pair contact element groups which are mounted in the electric connector, either differential pair contact element group comprises two differential contact elements for transmitting a pair of differential signals; and the differential pair contact elements are in the following arrangement structure: a connecting line between the centers of two differential contact elements of the same group of row-distributed differential pair contact element groups is superposed with a perpendicular bisector of the line segment between the centers of two differential contact elements of an adjacent another group of column-distributed differential pair contact element groups. By the arrangement structure of the differential contact elements in the electric connector, an interference signal of each differential contact element in one of the two adjacent groups of differential pair contact element groups and an interference signal of a differential contact element in the other group are counteracted so that the differential signal transmission interference is decreased to the minimum.
Description
Technical field
The present invention relates to the arrangement mode of contact in electric connector.
Background technology
Differential signal transmission is that the amplitude of transmission amplitude equates, the signal transmission technology of a pair of signal of single spin-echo, the contact set-up mode of the transmission for differential signal transmission of existing electric connector has: a) adopt rectangular sheet spring class part, adopt the mode of arranging in length and breadth; B) adopt a pair of differential signal of the coaxial class parts transport of twin-core.Adopt rectangular sheet spring class parts transport differential signal multiplex in to the less demanding civil area of the environmental resistances such as anti-vibration, as computer hardboard interface, USB interface, 1394 interfaces etc., the place higher to environmental resistance is just little applicable.Adopt the coaxial class parts transport of twin-core differential signal, and can realize the requirement of environmental resistance, but this type of contact can not effectively be realized the requirements such as high density, small size because the shared space of screen is too large.
Summary of the invention
The object of the present invention is to provide a kind of arrangement architecture that reduces the differential contact elements of interference, the electric connector with this structure is provided simultaneously.
The technical scheme of electric connector of the present invention is: a kind of electric connector, comprise that two groups above are arranged on the differential pair contact group in electric connector, every group of differential pair contact group forms for the differential contact elements that transmits a pair of differential signal by two, described differential pair contact has following arrangement architecture: in the same sagittal plane vertical with differential contact elements axially-extending direction, according to the bearing of trend that forms the line of centres of respectively organizing two differential contact elements in differential pair contact group, each differential pair contact group is divided into two kinds, a kind of is that the line at installing hole center follows direction and extends and be defined as row distribution differential pair contact group, another kind is that the installing hole line of centres extends and is defined as column distribution differential pair contact group along the column direction vertical with line direction, between the center of the line between the center of two differential contact elements of capable distribution differential pair contact group on the same group and two differential contact elements of the column distribution differential pair contact group of contiguous another group, the perpendicular bisector of institute's line section overlaps.
Described differential contact elements is the low frequency contact.
The quantity of differential pair contact group on the same row or column direction in described arrangement architecture surpasses 2, and row distribution differential pair contact group and column distribution differential pair contact group are and are alternately distributed.
The rectangular array that all differential contact elements are equal by center distance distributes.
Described electric connector front end is inserted terminal, electric connector comprises the insulator of connector shell and the described differential contact elements of assembling wherein, the insulator periphery is set with the housing be arranged in connector shell, the positioning key that convexes with the ring-shaped distributed location shaft shoulder on the insulator side face and extend vertically, what offer on the jacket wall of described housing that self-shileding cover front end face extends to rear end face only revolves the straight joint of inserting with described positioning key, the inwall of described housing is provided with the complementary limit card of the described location shaft shoulder, the positioning ring groove disconnected through place in described straight joint.
The described location shaft shoulder has forward and backward location end face and side face, described positioning key is convexly set on the side face of the adjacent insulator of rear location end face of the side face of the location shaft shoulder and the location shaft shoulder, and positioning key extends to the rear end face of insulator in the axial direction from the prelocalization end face of the location shaft shoulder.
Be provided with in the position of positioning ring groove correspondence the annular protrusion disconnected through place at described straight joint on the outer surface of described housing, the front/rear end of this annular protrusion is joined on the thrust top in the axial direction with the axial limit structure of corresponding setting in connector shell.
The technical scheme of the arrangement architecture of differential contact elements of the present invention is: the arrangement architecture of differential contact elements, comprise two groups of above differential pair contact groups, every group of differential pair contact group forms for the differential contact elements that transmits a pair of differential signal by two, described differential pair contact has following arrangement architecture: in the same sagittal plane vertical with differential contact elements axially-extending direction, according to the bearing of trend that forms the line of centres of respectively organizing two differential contact elements in differential pair contact group, each differential pair contact group is divided into two kinds, a kind of is that the line at installing hole center follows direction and extends and be defined as row distribution differential pair contact group, another kind is that the installing hole line of centres extends and is defined as column distribution differential pair contact group along the column direction vertical with line direction, between the center of the line between the center of two differential contact elements of capable distribution differential pair contact group on the same group and two differential contact elements of the column distribution differential pair contact group of contiguous another group, the perpendicular bisector of institute's line section overlaps.
Described differential contact elements is the low frequency contact.
The quantity of differential pair contact group on the same row or column direction in described arrangement architecture surpasses 2, and row distribution differential pair contact group and column distribution differential pair contact group are and are alternately distributed.
Insulator in electric connector of the present utility model adopts unique structural design, convex with positioning key and the location shaft shoulder on its side face, and the structure coordinated with positioning key and the location shaft shoulder on housing is respectively straight joint and positioning ring groove, thereby insulator and the adaptive housing be sleeved on the insulator periphery are fixed in the axial and rotational direction, and the straight joint on housing is outside the effect of playing as the positioning spline coordinated with described positioning key, because it has connected jacket wall and the front/rear end of housing, the cross section that simultaneously makes housing is c-shaped and can elasticly actuate diametrically, the radial dimension of the location shaft shoulder changes when coordinating described insulator to insert, make the easier for installation of insulator, can reduce installation time, raise the efficiency.
The arrangement architecture of the differential contact elements in electric connector of the present invention, each differential contact elements in two groups of contiguous differential pair contact groups is offset the interference signal of the differential contact elements in another group, thereby make the suffered interference of differential signal transmission be reduced to minimum.
Further, due to the advantage that above-mentioned contact arrangement architecture brings, make differential contact elements wherein can adopt the low frequency contact just can meet the requirement that in prior art, the requirement need could be satisfied with high-frequency contact, thus the requirements such as the high density of realization, small size.
The accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of electric connector socket of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the stereogram of Fig. 1;
Fig. 4 is the schematic perspective view of the ferrule assembly in Fig. 1;
Fig. 5 is the axial exploded perspective view of Fig. 4;
Fig. 6 is the structural representation of the embodiment of electrical connector plug of the present invention;
Fig. 7 is the right view of Fig. 6;
Fig. 8 is the stereogram of Fig. 6;
Fig. 9 is the structural representation of embodiment 1 of the arrangement architecture of differential contact elements of the present invention;
Figure 10 is the circuit theory schematic diagram in Fig. 9;
Figure 11 is the structural representation of embodiment 2 of the arrangement architecture of differential contact elements of the present invention;
Figure 12 is the structural representation of embodiment 3 of the arrangement architecture of differential contact elements of the present invention;
Figure 13 is the view after Figure 12 rotates 45 degree.
Embodiment
the embodiment of electric connector of the present invention is two kinds of embodiment that contact arrangement architecture of the present invention is respectively used to electric connector socket and electrical connector plug.
As shown in Fig. 1～Fig. 5, the embodiment of electric connector socket of the present invention, the front end of socket 30 is inserted terminal, comprise Socket casing 31 and wherein assembling for the electrical connector plug 50(Fig. 6 with adaptive) peg graft with the ferrule assembly 40 of signal transmission, be provided with the installation passage for the described ferrule assembly 40 of plug-in mounting in Socket casing 31, the passage rear end is installed and by Screw assembly, nut 35 is arranged, nut 35 is by the lining 33 of plug-in mounting successively in the installation passage at ferrule assembly 40 rears, compacting ring 34 and from rear to ferrule assembly 40 axial limitings, install on the wall of passage that the annular table terrace 32 also be provided with backwards coordinates with ferrule assembly 40 thrusts and from the place ahead to ferrule assembly 40 axial limitings.
As described in Fig. 4, Fig. 5, ferrule assembly 40 is that the housing 14 that is set firmly the columniform insulator 13 of a plurality of jack contacts and be sleeved on the metal material of insulator 13 peripheries by inside forms, and ferrule assembly 40 fixedly is assemblied in Socket casing 31 by its housing 14.Radially convex with the ring-shaped distributed location shaft shoulder 15 on the side face that approaches its rear end of insulator 13, the location shaft shoulder 15 has forward and backward location end face and side face, location, the front and back end face of the location shaft shoulder 15 is plane, the side face of the location shaft shoulder 15 is the peripheries that coordinate with the inwall of the corresponding position of housing 14, at the rear location end face of the side face of locating the shaft shoulder 15 and the location shaft shoulder 15, on the side face of adjacent insulator 13, one convexes with positioning key 16, and positioning key 16 radially extends to the rear end face of insulator 13 from the prelocalization end face of the location shaft shoulder 15.
Described housing 14 is provided with the metal sleeve with the through hole of described insulator 13 insertings in being, the hole wall of the through hole of described housing 14 is provided with the positioning ring groove 19 of joining with the complementary card of the described location shaft shoulder 15, positioning ring groove 19 have with the described location shaft shoulder 15 before, the trough wall surface of rear location end face and the spacing cooperation of side face, convex with annular protrusion 18 in the position of positioning ring groove 19 correspondence on the outer surface of housing 14, this annular protrusion 18 has respectively towards front, the front/rear end at rear, join on annular table terrace 32 axial thrust tops on the wall of the installation passage of the front end face of annular protrusion 18 and described Socket casing 31, join on the leading section 331 axial thrust tops of the rear end face of annular protrusion 18 and described lining 33, described lining 33 rear portions are by described compacting ring 34, locking nut 35 holds out against forward, thereby ferrule assembly 40 is axially located.In addition, annular protrusion 18 and positioning ring groove 19 corresponding complementary on the inside and outside surface of housing jacket wall, make the jacket wall of establishing the groove place be unlikely to thin processing and the bulk strength of being beneficial to.
What offer on the jacket wall of described housing 14 that self-shileding cover front end face extends to rear end face along straight line only revolves the straight joint 17 of inserting with described positioning key 16, described positioning ring groove 19 and annular protrusion 18 all disconnect through place at described straight joint 17, this straight joint 17 only revolves outside the location notch of inserting with described positioning key 16 in conduct, because it has connected jacket wall and the front/rear end of housing 14, the cross section that simultaneously makes housing 14 is c-shaped and can elasticly actuate diametrically, and the radial dimension of the location shaft shoulder 15 changes when coordinating described insulator 13 to insert.And having surrounded the keyway 20 be arranged on insulator 13 outer peripheral faces between the outer peripheral face of straight joint 17 and correspondence position insulator 13, along fore-and-aft direction from insulator, 13 front end face extends to the front end face of positioning key 16 to keyway 20.In the installation passage of keyway 20 and Socket casing 31, the corresponding locating piece be convexly equipped with 37 only revolves inserting, make ferrule assembly 40 only be revolved location in a circumferential direction, this keyway 20 coordinates with described locating piece 37, in inserting the assembling process of installation passage of Socket casing 30 from back to front, ferrule assembly 40 plays location and guide effect, make insulator in ferrule assembly 40 and wherein contact installation site and Socket casing only one-to-one correspondence circumferentially arranged, thereby be convenient to assemble.And this keyway 20 in socket 30, formed one by forward direction after along linearly extended for preventing the guide key groove 38 of plug, socket error, when socket 30 is pegged graft with adaptive plug 20, the formed guide key groove 38 of keyway 20 can play anti-error effect with the feather key 55 guiding insertings of corresponding setting in the plug 50 shown in Fig. 6～Fig. 8.Different with guide key groove from the anti-error processed on insulator periphery of the prior art, this guide key groove 38 is formed by housing 14 coordinated insulation bodies 13, can reduce difficulty of processing and the cost of insulator.
As shown in Figure 6 to 8, the embodiment of electrical connector plug of the present invention, this plug 50 comprises the plug casing 51 for inserting above-mentioned socket 30 and is arranged on the ferrule assembly 52 in plug casing 51, the structure of the ferrule assembly 52 in plug 50 and the structure of the ferrule assembly 40 in socket 30 are basic identical, also by insulator, housing and contact form, what difference was wherein to install is complementary contact pin contacting piece, assembling mode and the orientation assemble structure in socket 30 of ferrule assembly 52 in the correspondence of plug casing 51 is installed passage is basic identical, back is that the nut in plug casing 51 53 holds out against by spinning, front is spacing by 54 thrusts of step backwards on the wall of the installation passage of plug casing 51, on the wall of the installation passage of described plug casing 51, one convexes with the feather key 55 for guide key groove 38 insertings corresponding with described socket 30, this feather key 55 extends back from plug casing front end edge straight line, and insert and correspondingly on ferrule assembly 52 to coordinate in the keyway formed with insulator by the straight joint on housing, in the structure of the keyway on ferrule assembly 52 and Fig. 4, Fig. 5, the structure of shown keyway 20 is similar, no longer be repeated in this description herein, feather key 55 and ferrule assembly 52 only revolve inserting, realize ferrule assembly location in a circumferential direction.
In the embodiment of above-mentioned plug, socket and ferrule assembly, the annular protrusion of the housing on ferrule assembly also can be arranged on the position not corresponding with the positioning ring groove position, can play positioning action equally, annular protrusion on shading ring is mainly the effect of playing the orientation assemble ferrule assembly in addition, also can annular protrusion be set and adopt the fixing assembling of other modes housing, fix the housing employing as bonding, welding or in the mode of location, the front and back end of housing itself, perhaps annular protrusion is replaced with to protuberance, step or the groove of other than ring type, can realize equally the function with the assembling of connector shell axial limiting, above-mentioned plug, in the embodiment of socket, two kinds of ferrule assemblies be all by the annular protrusion on the housing periphery, with corresponding axial limit structure in connector shell, coordinate and by the ferrule assembly axial location in connector, axial limit structure in connector shell in above-described embodiment adopts be step and after enter the lock sleeve of formula, the structure of locking nut, and the axial limit structure in connector can also adopt other common structure, as step, jump ring, elastic claw etc. other can in connector shell, assemble and with shield shell on annular protrusion, annular groove, step, the structure of the spacing cooperations of various ways such as draw-in groove.By the above technical scheme that forms or adopted the technical scheme that is equal to the technical characterictic of replacement with the relevant art feature of shifting gears provided, also belong to feasible execution mode of the present invention, should fall into patent of the present invention scope required for protection.
As Fig. 2, shown in Fig. 7, above-mentioned plug, the installation site of the contact of installing in the insulator of socket distributes according to identical arrangement architecture, clearerly in Fig. 9 shown this kind of arrangement mode, this arrangement architecture is the embodiment 1 of contact arrangement architecture of the present invention, fixedly be equipped with contact 1～12 in insulator, in described contact 1～12, there are 8 differential contact elements to be become the four groups of contact of the differential pair for differential signal transmission groups by two components, each differential contact elements is the low frequency contact, the single spin-echo of institute's signal transmission in the two low frequency contacts that coexist in a group, each is organized differential pair contact group and marks with wire frame in order to identify in Fig. 9, be respectively first group of differential contact elements 8, 12, second group of differential contact elements 9, 2, the 3rd group of differential contact elements 10, 4, the 4th group of differential contact elements 6, 11, the contact that four contacts 1,3,5,7 in addition are the other types beyond differential contact elements.
In the same sagittal plane vertical with contact axially-extending direction, between the line between differential contact elements 8,12 centers of first group and the contiguous differential contact elements 6 ,11 centers of the 4th group, the perpendicular bisector of connected line segment overlaps; Between line between differential contact elements 6,11 centers of the 4th group and contiguous differential contact elements 10,4 centers of the 3rd group, the perpendicular bisector of connected line segment overlaps; The like, between the center of the line between differential contact elements 10,4 centers of the 3rd group and the contiguous differential contact elements of second group 9,2, the perpendicular bisector of connected line segment overlaps; Between line between differential contact elements 9,2 centers of second group and the contiguous differential contact elements of first group 8 ,12 centers, the perpendicular bisector of connected line segment overlaps.
The arrangement architecture of above-mentioned differential pair contact group can be summarized as: in the same sagittal plane vertical with differential contact elements axially-extending direction, according to forming the bearing of trend of respectively organizing the line of centres of two differential contact elements in same sagittal plane in differential pair contact group, each differential pair contact group is divided into two kinds, a kind of is that the line at contact center follows direction and extends and be defined as row distribution differential pair contact group, line direction is shown as directions X in the drawings, another kind is that the contact line of centres extends and is defined as column distribution differential pair contact group along the column direction vertical with line direction, column direction is shown as Y-direction in the drawings, between the center of the line between the center of two differential contact elements of capable distribution differential pair contact group on the same group and two differential contact elements of the column distribution differential pair contact group of contiguous another group, the perpendicular bisector of institute's line section overlaps.
As shown in figure 10, a mutual contiguous row differential pair contact group and the circuit theory diagrams of a capable differential pair contact group, the signal that two contacts of row differential pair contact group transmit is V1+, V1-, and the signal that two contacts of row differential pair contact group transmit is V2+, V2-.
The principle of its reduce disturbance is as follows: V1+ is V1 ' to the interference signal of V2+, because V1+ equates to the distance of V2+ and V2-,, V1+ is also V1 ' to the interference signal of V2-, and differential signal is compared, and (subtracting each other) is rear just can offset the interference signal V1 ' of V1+.
Same principle, V1-also can offset the interference signal of V2+ and V2-.
V2+ is V2 ' to the interference signal of V1+, and V2-is V3 ' to the interference signal of V1+, and because V1+ equates to the distance of V2+ and V2-, and V2+ is contrary with V2-amplitude equal phase, and, V2 ' is contrary with V3 ' amplitude equal phase, after addition, offsets in twos.
Same principle, V2+ and V2-also can offset the interference signal of V1-.
As shown in figure 11, the embodiment 2 of the arrangement architecture of the differential contact elements in electric connector of the present invention, with the difference of embodiment 1, be, the quantity of contact is more, on the same row or column direction, the quantity of differential pair contact group is over 2, row distribution differential pair contact group and column distribution differential pair contact group are and are alternately distributed, in order clearly to show distribution situation, with line connecting contact center in Figure 11 is differential pair contact group, be provided with a column distribution differential pair contact group between two adjacent capable distribution differential pair contact groups of same a line, be provided with a capable distribution differential pair contact group between two adjacent column distribution differential pair contact groups of same row.
As shown in Figure 12 and Figure 13, the embodiment 3 of the arrangement architecture of the differential pair contact in electric connector of the present invention, with the difference of embodiment 2, be, as shown in figure 13, the rectangular array that all contacts are equal by center distance distributes, and the ranks direction of the ranks direction of rectangular array and differential pair contact group differs 45 degree.
The arrangement architecture of above-mentioned differential pair contact is not limited in electrical connector plug, socket and uses, and can also on the electric connecting devices such as circuit board, wire jumper, use.
Claims (8)
1. an electric connector, comprise that two groups above are arranged on the differential pair contact group in electric connector, every group of differential pair contact group forms for the differential contact elements that transmits a pair of differential signal by two, it is characterized in that, described differential pair contact group has following arrangement architecture: in the same sagittal plane vertical with differential contact elements axially-extending direction, according to the bearing of trend that forms the line of centres of respectively organizing two differential contact elements in differential pair contact group, each differential pair contact group is divided into two kinds, a kind of is that the line at installing hole center follows direction and extends and be defined as row distribution differential pair contact group, another kind is that the installing hole line of centres extends and is defined as column distribution differential pair contact group along the column direction vertical with line direction, between the center of the line between the center of two differential contact elements of capable distribution differential pair contact group on the same group and two differential contact elements of the column distribution differential pair contact group of contiguous another group, the perpendicular bisector of institute's line section overlaps, the quantity of differential pair contact group on the same row or column direction in described arrangement architecture surpasses 2 or be expert at and list and be equipped with 2, row distribution differential pair contact group and column distribution differential pair contact group are and are alternately distributed.
2. electric connector according to claim 1, it is characterized in that: described differential contact elements is the low frequency contact.
3. electric connector according to claim 1 and 2, is characterized in that: the rectangular array distribution that all differential contact elements are equal by center distance.
4. electric connector according to claim 1 and 2, it is characterized in that: described electric connector front end is inserted terminal, electric connector comprises the insulator of connector shell and the described differential contact elements of assembling wherein, the insulator periphery is set with the housing be arranged in connector shell, the positioning key that convexes with the ring-shaped distributed location shaft shoulder on the insulator side face and extend vertically, what offer on the jacket wall of described housing that self-shileding cover front end face extends to rear end face only revolves the straight joint of inserting with described positioning key, the inwall of described housing is provided with the complementary limit card of the described location shaft shoulder, the positioning ring groove disconnected through place in described straight joint.
5. electric connector according to claim 4, it is characterized in that: the described location shaft shoulder has forward and backward location end face and side face, described positioning key is convexly set on the side face of the adjacent insulator of rear location end face of the side face of the location shaft shoulder and the location shaft shoulder, and positioning key extends to the rear end face of insulator in the axial direction from the prelocalization end face of the location shaft shoulder.
6. electric connector according to claim 5, it is characterized in that: be provided with in the position of positioning ring groove correspondence the annular protrusion disconnected through place at described straight joint on the outer surface of described housing, the front/rear end of this annular protrusion is joined on the thrust top in the axial direction with the axial limit structure of corresponding setting in connector shell.
7. the arrangement architecture of differential contact elements, comprise two groups of above differential pair contact groups, every group of differential pair contact group forms for the differential contact elements that transmits a pair of differential signal by two, it is characterized in that, described differential pair contact group has following arrangement architecture: in the same sagittal plane vertical with differential contact elements axially-extending direction, according to the bearing of trend that forms the line of centres of respectively organizing two differential contact elements in differential pair contact group, each differential pair contact group is divided into two kinds, a kind of is that the line at installing hole center follows direction and extends and be defined as row distribution differential pair contact group, another kind is that the installing hole line of centres extends and is defined as column distribution differential pair contact group along the column direction vertical with line direction, between the center of the line between the center of two differential contact elements of capable distribution differential pair contact group on the same group and two differential contact elements of the column distribution differential pair contact group of contiguous another group, the perpendicular bisector of institute's line section overlaps, the quantity of differential pair contact group on the same row or column direction in described arrangement architecture surpasses 2 or be expert at and list and be equipped with 2, row distribution differential pair contact group and column distribution differential pair contact group are and are alternately distributed.
8. arrangement architecture according to claim 7, it is characterized in that: described differential contact elements is the low frequency contact.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010226381 CN101924286B (en) | 2010-07-14 | 2010-07-14 | Arrangement structure of differential contact elements and electric connector with structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010226381 CN101924286B (en) | 2010-07-14 | 2010-07-14 | Arrangement structure of differential contact elements and electric connector with structure |
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| CN101924286A CN101924286A (en) | 2010-12-22 |
| CN101924286B true CN101924286B (en) | 2013-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI622330B (en) * | 2014-12-17 | 2018-04-21 | 鴻富錦精密工業（武漢）有限公司 | Printed circuit board and electronic device applying the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324669A (en) * | 2011-08-05 | 2012-01-18 | 上海航天科工电器研究院有限公司 | Twin-core high-voltage electric connector |
| CN106385764A (en) * | 2016-11-25 | 2017-02-08 | 湖南长城银河科技有限公司 | Printed circuit board with optimized testing through hole arrangement and testing method thereof |
| CN110350349B (en) * | 2019-06-24 | 2020-11-20 | 中航光电科技股份有限公司 | Plug connector for differential data transmission |
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| US4915642A (en) * | 1989-01-19 | 1990-04-10 | Pan-International Industrial Corporation | Trouble-free connector with lock mechanism |
| CN200979940Y (en) * | 2006-09-05 | 2007-11-21 | 中航光电科技股份有限公司 | A round directly-inserting-type electric connector |
| CN201075516Y (en) * | 2007-09-10 | 2008-06-18 | 中航光电科技股份有限公司 | Connector contact element structure for transmission of high speed difference signal |
| CN201408868Y (en) * | 2009-03-09 | 2010-02-17 | 中航光电科技股份有限公司 | Differential contact element |
| CN201845910U (en) * | 2010-07-14 | 2011-05-25 | 中航光电科技股份有限公司 | Arrangement structure of differential contact parts and electric connector with same |
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2010
- 2010-07-14 CN CN 201010226381 patent/CN101924286B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915642A (en) * | 1989-01-19 | 1990-04-10 | Pan-International Industrial Corporation | Trouble-free connector with lock mechanism |
| CN200979940Y (en) * | 2006-09-05 | 2007-11-21 | 中航光电科技股份有限公司 | A round directly-inserting-type electric connector |
| CN201075516Y (en) * | 2007-09-10 | 2008-06-18 | 中航光电科技股份有限公司 | Connector contact element structure for transmission of high speed difference signal |
| CN201408868Y (en) * | 2009-03-09 | 2010-02-17 | 中航光电科技股份有限公司 | Differential contact element |
| CN201845910U (en) * | 2010-07-14 | 2011-05-25 | 中航光电科技股份有限公司 | Arrangement structure of differential contact parts and electric connector with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI622330B (en) * | 2014-12-17 | 2018-04-21 | 鴻富錦精密工業（武漢）有限公司 | Printed circuit board and electronic device applying the same |
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| CN101924286A (en) | 2010-12-22 |
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