CN100347910C - Connector with internal interference preventing sheet - Google Patents
Connector with internal interference preventing sheet Download PDFInfo
- Publication number
- CN100347910C CN100347910C CNB2003101033269A CN200310103326A CN100347910C CN 100347910 C CN100347910 C CN 100347910C CN B2003101033269 A CNB2003101033269 A CN B2003101033269A CN 200310103326 A CN200310103326 A CN 200310103326A CN 100347910 C CN100347910 C CN 100347910C
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- guide card
- connecting element
- film guiding
- connector
- terminal
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Abstract
The present invention relates to a connector with conducting sheets preventing inner interference, which aims to prevent a line connector having simple structure, capable of singly isolating terminals, avoiding mutual interference of signals in terminal high-speed transmission, eliminating external interference sources, and having quicker and more stable signal transmission. The present invention comprises a rubber core, a terminal group, an isolation board group, two guiding sheets and an inserting assembly, wherein conducting sheet slots are arranged at the upper and the lower ends of the inner side surface of the rubber core; a plurality of upper and lower terminal slots and isolation board slots are arranged between the conducting sheet slots; sliding slots are respectively arranged on two inner side surface of the rubber core. The terminal group is composed of a plurality of terminals corresponding to and placed into the terminal slots of the rubber core. The isolation board group is composed of a plurality of isolation boards corresponding to and placed into the isolation board slots of the rubber core. The two conducting sheets are inserted into the conducting sheet slots of the rubber core. The inserting assembly is provided with an inserting assembly body and slides into the sliding slots of the rubber core by both ends so as to be fixed in the rubber core.
Description
Technical field
The invention belongs to line connector, particularly a kind of connector with anti-internal interference guide card.
Background technology
Because science and technology is flourishing day by day, the computer application aspect heals and becomes diversified, and peripheral product miscellaneous is weeded out the old and bring forth the new at a terrific speed, so as to allowing the user feel more convenient, to satisfy the demands more quickly.Can not dare not or would not speak up, with seize every minute and second at present, in the society of Time is money, Computer Processing speed is faster more desirable.So the arithmetic speed at computer-internal central processing unit (CPU) is more and more fast, and at world-wide web day by day under the prosperity, its online speed is the wideband grade by dialing and connecting that grade promotes also, and purpose will increase computer processing speed exactly to save time.Relative, computer ancillary equipment miscellaneous, driving component, passive component also will be caught up with its processing speed, and between between CPU and master, passive component, cable in order to transmission signal is extremely important with regard to what show, especially be located at the connector at cable two ends, more need shoulder the weighty responsibility of transmission signal.Since connector must be apace transmission signal, so certainly will be between its terminal because of magnetic effect of electric current interferes with each other, perhaps when there is interference source in the external world, causes data transmission bauds to slow down and make Computer Processing speed slack-off.
As Figure 22, shown in Figure 23, commonly use that anti-tampering connector comprises the glue heart 130, the iron-clad 136, connecting element 131, the symmetry of insert group in the glue heart 130 rear ends that are socketed on the glue heart 130 front end outsides is embedded at the signal line 135 of connecting element 131 and be covered on connecting element 131 two sides respectively and corresponding to two cover plates 132 of signal line 135.
The glue heart 130 is inserted with several terminals 1302 and several division boards 1303.
Connecting element 131 surfaces are provided with some spacers 1311, and 1311 formation of adjacent two spacers can supply the groove that each terminal 1302 bridges on the glue heart 130.
By above-mentioned structure design of commonly using connector, still keep away unavoidable following every shortcoming:
1, when each terminal when carrying out at a high speed the signal transmission, though the magnetic effect of electric current phenomenon that produces between each terminal can be absorbed by the guide card on the cover plate, but the terminal intracardiac in glue is not coated with guide card, so electromagnetic interference is easy to occur between this section, and then influences transmission speed and stability.
2, connector itself might produce static because of external environment around terminal, and static will become the interference source of signal transmission.
3, connector itself might influence transmission speed and stability because of the interference source of external environment.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, can isolate each terminal separately, avoid terminal high-speed transfer signal interfere with each other, eliminate quicker, the more stable connector of external interference source, signal transmission with anti-internal interference guide card.
The present invention includes the glue heart, terminal group, division board group, two guide cards and connecting element; The intracardiac side of glue upper and lower end is offered film guiding slot; Between film guiding slot, offer several upper and lower end pilot trench and isolate board slot, and offer chute respectively in glue heart both sides inner face; Terminal group terminal corresponding by several and that insert in the glue heart terminal groove is formed; The division board group is corresponding and insert the division board of glue septum cordis in board slot and form by several; Two guide cards are inserted in the glue heart film guiding slot; Connecting element has the connecting element body, and it is intracardiac to be fixed in glue to slip into glue heart chute with its two ends.
Wherein:
Film guiding slot central authorities are provided with one or more fin.
Guide card is provided with one or more short slots.
The connecting element body center is provided with the film guiding slot of inserting for guide card.
Connecting element body two sides is provided with the spacer corresponding with terminal group.
The connecting element body is a printed circuit board (PCB).
Connecting element has two cover plates of being located at connecting element body two sides; Two cover plates are covered on connecting element body two sides; Cover plate is provided with the film guiding slot of inserting for guide card; Be inserted in the cover plate film guiding slot guide card respectively with insert glue heart film guiding slot in guide card contact.
Film guiding slot central authorities are provided with one or more fin on the cover plate.
The guide card that is inserted in the cover plate film guiding slot is provided with one or more short slots.
Owing to the present invention includes the glue heart, terminal group, division board group, two guide cards and connecting element; The intracardiac side of glue upper and lower end is offered film guiding slot; Between film guiding slot, offer several upper and lower end pilot trench and isolate board slot, and offer chute respectively in glue heart both sides inner face; Terminal group terminal corresponding by several and that insert in the glue heart terminal groove is formed; The division board group is corresponding and insert the division board of glue septum cordis in board slot and form by several; Two guide cards are inserted in the glue heart film guiding slot; Connecting element has the connecting element body, and it is intracardiac to be fixed in glue to slip into glue heart chute with its two ends.After the connector combination is finished, signal line is connected on each terminal of terminal group with its terminal, division board just within it portion form the separator of some each terminals of encirclement, so that each terminal is isolated separately, and eliminate between each terminal and the interference of external environment by guide card, reach quicker, the more stable effect of signal transmission.Be that the present invention not only can isolate each terminal on it separately by guide card, each terminal is not interfered with each other when the high-speed transfer signal, preventing itself reaches extraneous electromagnetic interference or cross-talk.Not only simple in structure, and can isolate each terminal separately, avoid terminal high-speed transfer signal to interfere with each other, eliminate the transmission of external interference source, signal quicker, more stable, thereby reach purpose of the present invention.
Description of drawings
Fig. 1, be the embodiment of the invention one decomposition texture schematic isometric.
Fig. 2, be embodiment of the invention part decomposition texture schematic isometric.
Fig. 3, be embodiment of the invention part decomposition texture schematic isometric one.
Fig. 4, be the embodiment of the invention one connecting element and glue heart combining structure schematic isometric.
Fig. 5, be the embodiment of the invention one signal and terminal group decomposition texture schematic isometric.
Fig. 6, be the embodiment of the invention one cover plate and glue heart decomposition texture schematic isometric.
Fig. 7, be the embodiment of the invention one cover plate and glue heart decomposition texture schematic isometric one.
Fig. 8, be the embodiment of the invention one cover plate and glue heart assembled state schematic diagram.
Fig. 9, be among Fig. 8-cutaway view.
Figure 10, be the embodiment of the invention one structural representation stereogram.
Figure 11, be B-B cutaway view among Fig. 9.
Figure 12, be the embodiment of the invention two decomposition texture schematic isometric.
Figure 13, be the embodiment of the invention two structural representation stereograms.
Figure 14, be C-C cutaway view among Figure 13.
Figure 15, be the embodiment of the invention three decomposition texture schematic isometric.
Figure 16, be the embodiment of the invention three part decomposition texture schematic isometric.
Figure 17, be D-D cutaway view among Figure 16.
Figure 18, be the embodiment of the invention four decomposition texture schematic isometric.
Figure 19, be the embodiment of the invention four part decomposition texture schematic isometric.
Figure 20, be the embodiment of the invention four part decomposition texture schematic isometric one.
Figure 21, be E-E cutaway view among Figure 20.
Figure 22, anti-tampering connector decomposition texture schematic isometric for commonly using.
Figure 23, anti-tampering connector construction schematic sectional view for commonly using.
Embodiment
Embodiment one
As shown in Figure 1, the present invention includes the glue heart 1, terminal group 2, division board group 3, two guide cards 4 and connecting elements 5.
The glue heart 1 medial surface upper and lower end offers film guiding slot 13, between film guiding slot 13, offer several upper and lower end pilot trench 11 in addition and isolate board slot 12, and offer chute 14 respectively in the glue heart 1 both sides inner face, be provided with draw-in groove 141 in the chute 14, be provided with connector 15 in the glue heart 1 outside in addition.
Two guide cards, 4 correspondences are also inserted in the film guiding slot 13 of the glue heart 1.The guide card 4 of being located at terminal group 2 both sides in the glue heart 1 is eliminated the interference of 21 of each terminals in the glue hearts 1 and the interference source of the outer bound pair glue heart 1, reaches signal and transmits quicker, more stable effect.
As Fig. 1, shown in Figure 4, connecting element 5 comprises connecting element body 50, three guide cards 53 and two cover plates 54.
The both sides of connecting element body 50 are respectively equipped with the tenon 51 that correspondence is fastened on chute 14 inner card cages 141 of the glue heart 1, so that connecting element body 50 firmly is mounted in the glue heart 1; Connecting element body 50 central authorities are provided with the film guiding slot 531 of inserting for guide card 53, and connecting element body 50 two sides are provided with the spacer 52 corresponding to terminal group 2.
As shown in Figure 5, signal line 6 is connected on each terminal 21 of terminal group 2, with transmitting signals with its terminal 61.
As Fig. 6, Fig. 7, shown in Figure 8, the cover plate 54 of connecting element 5 is located at the two-sided of connecting element body 50, in order to cover the connecting element body 50 that is mounted in the glue heart 1.The covering of cover plate 54 convexes with some corresponding respectively and be covered on the isolating bar 55 of 52 of the spacers on connecting element body 50 two sides on the face, cover plate 54 is provided with the film guiding slot 541 of inserting for guide card 53.
As shown in Figure 9, be inserted in cover plate 54 film guiding slots 541 guide card 53 respectively with insert the glue heart 1 film guiding slot 13 in guide card 4 contact, cover the effect of interference so as to increase, and enlarged the scope of covering, it is quicker, more stable that signal is transmitted.
As Figure 10, shown in Figure 11, after the connector combination is finished, division board 31 just within it portion form the separator of each terminal 21 of some encirclements, so that each terminal 21 is isolated separately, and eliminate the interference of 21 of each terminals and external environment by guide card 4, reach quicker, the more stable effect of signal transmission.
Embodiment two
As shown in Figure 12 and Figure 13, the present invention includes the glue heart 8, terminal group 85, division board group 86, two guide cards 87 and connecting elements 88.
The glue heart 8 medial surface upper and lower ends offer film guiding slot 84, film guiding slot 84 central authorities are convexly equipped with fin 841, between film guiding slot 84, offer several upper and lower end pilot trench 81 in addition and isolate board slot 82, and offer chute 83 respectively in the glue heart 8 both sides inner faces, be provided with draw-in groove 831 in the chute 83, be provided with connector 80 in the glue heart 8 outsides in addition.
Two guide cards 87 are corresponding also inserts in the film guiding slot 84 of the glue heart 8, and its central authorities are provided with the short slot 871 that is convexly equipped with the corresponding and inlay card of fin 841 with film guiding slot 84 central authorities, so that two guide cards 87 are anchored in the film guiding slot 84 of the glue heart 8.Two guide cards 87 of being located at terminal group 85 both sides in the glue heart 8 are eliminated the interference of 851 of each terminals in the glue hearts 8 and the interference source of the outer bound pair glue heart 8, reach signal and transmit quicker, more stable effect.
Connecting element 88 comprises connecting element body 880, three guide cards 87 and two cover plates 91.
The both sides of connecting element body 880 are respectively equipped with the tenon 89 that correspondence is fastened on chute 83 inner card cages 831 of the glue heart 8, so that connecting element body 880 firmly is mounted in the glue heart 8; Connecting element body 880 central authorities are provided with the film guiding slot 881 of inserting for guide card 87, and film guiding slot 881 central authorities are convexly equipped with fin 882; Connecting element body 880 two sides are provided with the spacer 90 corresponding to terminal group 85.
The cover plate 91 of connecting element 88 is located at the two-sided of connecting element body 880, in order to cover the connecting element body 880 that is mounted in the glue heart 8.The covering of cover plate 91 convexes with some corresponding respectively and be covered on the isolating bar 92 of 90 of the spacers on connecting element body 880 two sides on the face, cover plate 91 is provided with the film guiding slot 93 of inserting for guide card 87, film guiding slot 93 central authorities are convexly equipped with the fin 931 of and inlay card corresponding with short slot 871 on the guide card 87, so that guide card 87 is anchored in the film guiding slot 93 of cover plate 91.
At last, signal line 94 is connected on each terminal 851 of terminal group 85, with transmitting signals with its terminal 941.
Be inserted in cover plate 91 film guiding slots 93 guide card 87 respectively with insert the glue heart 8 film guiding slots 84 in guide card 87 contact, cover the effect of interference so as to increase, and enlarged the scope of covering, it is quicker, more stable that signal is transmitted.
As shown in figure 14, after connector combination is finished, division board 861 just within it portion form the separator of each terminal 851 of some encirclements, so that each terminal 851 is isolated separately, and eliminate the interference of 851 of each terminals and external environment by guide card 87, reach quicker, the more stable effect of signal transmission.And the short slot 871 of guide card 87 central authorities can correspond respectively to the fin 841 of the glue heart 8 film guiding slots 84 central authorities, the fin 882 of connecting element body 880 film guiding slots 881 central authorities and the fin 931 of cover plate 91 film guiding slots 93 central authorities and insert, and is anchored in each film guiding slot 84,881 and 93 so as to making each guide card 87.
Embodiment three
As Figure 15, shown in Figure 16, the present invention includes the glue heart 10, terminal group 106, division board group 107, two guide cards 108 and connecting elements 109.
The glue heart 10 medial surface upper and lower ends offer film guiding slot 102, film guiding slot 102 is convexly equipped with some fins 1021, between film guiding slot 102, offer several upper and lower end pilot trench 103 in addition and isolate board slot 104, and offer chute 105 respectively in the glue heart 10 both sides inner faces, be provided with draw-in groove 1051 in the chute 105, be provided with connector 101 in the glue heart 10 outsides in addition.
Two guide cards 108 are corresponding also inserts in the film guiding slot 102 of the glue heart 10, which is provided with some short slots 1081 of and inlay card corresponding with some fins of being convexly equipped with 1021 on the film guiding slot 102, so that two guide cards 108 more are anchored in the film guiding slot 102 of the glue heart 10.Two guide cards 108 of being located at terminal group 106 both sides in the glue heart 10 are eliminated the interference of 1061 of each terminals in the glue hearts 10 and the interference source of the outer bound pair glue heart 10, reach signal and transmit quicker, more stable effect.
Connecting element 109 comprises connecting element body 1090, three guide cards 108 and two cover plates 112.
The both sides of connecting element body 1090 are respectively equipped with the tenon 110 that correspondence is fastened on chute 105 inner card cages 1051 of the glue heart 10, so that connecting element body 1090 firmly is mounted in the glue heart 10; Connecting element body 1090 central authorities are provided with the film guiding slot 1091 of inserting for guide card 108, and film guiding slot 1091 is convexly equipped with some fins 1092; Connecting element body 1090 two sides are provided with the spacer 111 corresponding to terminal group 106.
The cover plate 112 of connecting element 109 is located at the two-sided of connecting element body 1090, in order to cover the connecting element body 1090 that is mounted in the glue heart 10.The covering of cover plate 112 convexes with some corresponding respectively and be covered on the isolating bar 113 of 111 of the spacers on connecting element body 1090 two sides on the face, cover plate 112 is provided with the film guiding slot 114 of inserting for guide card 108, film guiding slot 114 is convexly equipped with some fins 1141 of and inlay card corresponding with some short slot 1081 on the guide card 108, so that guide card 108 more is anchored in the film guiding slot 114 of cover plate 112.
At last, signal line 115 is connected on each terminal 1061 of terminal group 106, with transmitting signals with its terminal 1151.
Be inserted in cover plate 112 film guiding slots 114 guide card 108 respectively with insert the glue heart 10 film guiding slots 102 in guide card 108 contact, cover the effect of interference so as to increase, and enlarged the scope of covering, it is quicker, more stable that signal is transmitted.
As shown in figure 17, after the connector combination is finished, division board 1071 just within it portion form the separator of each terminal 1061 of some encirclements, so that each terminal 1061 is isolated separately, and eliminate the interference of 1061 of each terminals and external environment by guide card 108, reach quicker, the more stable effect of signal transmission.And some short slots 1081 can be distinguished correspondence also for some fins 1141 insertions on some fins 1092 and cover plate 112 film guiding slots 114 on some fins 1021, connecting element body 1090 film guiding slots 1091 on the glue heart 10 film guiding slots 102 on the guide card 108, more are anchored in each film guiding slot 102,1091 and 114 so as to making each guide card 108.
Embodiment four
As Figure 18, Figure 19, shown in Figure 20, the present invention includes the glue heart 120, terminal group 125, division board group 126, two guide cards 127 and connecting elements 128.
The glue heart 120 medial surface upper and lower ends offer film guiding slot 123, between film guiding slot 123, offer several upper and lower end pilot trench 121 in addition and isolate board slot 122, and offer chute 124 respectively in the glue heart 120 both sides inner faces, be provided with connector 1201 in the glue heart 120 outsides in addition.
Two guide cards, 127 correspondences are also inserted in the film guiding slot 123 of the glue heart 120.The guide card 127 of being located at terminal group 125 both sides in the glue heart 120 is eliminated the interference of 1251 of each terminals in the glue hearts 120 and the interference source of the outer bound pair glue heart 120, reaches signal and transmits quicker, more stable effect.
Connecting element 128 comprises connecting element body 1280, two guide cards 127 ' and two cover plates 129.
Connecting element body 1280 is the corresponding and sliding printed circuit board (PCB) that is fixed in the glue heart 120 chutes 124, and its two sides is provided with the printed wire 1281 corresponding to terminal group 125.The design of connecting element 128 was simpler, had reduced the processing of spacer, can reduce cost.
As shown in figure 20, signal line 1282 is plugged in respectively on the printed wire 1281 of connecting element body 128, with transmitting signals with its terminal 1283.
The cover plate 129 of connecting element 128 is located at the two-sided of connecting element body 1280, in order to cover the connecting element body 1280 that is mounted in the glue heart 120.The covering of cover plate 129 convexes with some corresponding respectively and be covered on the isolating bar 1291 of connecting element body 1280 two-face printing circuits 1281 on the face, cover plate 129 is provided with the film guiding slot 1292 for guide card 127 ' insert.
As shown in figure 21, connecting element 128 structures are comparatively simple, cost is lower, and after the connector combination is finished, division board 1261 just within it portion form the separator of each terminal 1251 of some encirclements, each terminal 1251 is isolated separately, and eliminate the interference of 1251 of each terminals and external environment, reach quicker, the more stable effect of signal transmission by guide card 127.
Whereby, not only each terminal 21 of connector (851,1061,1251) can be isolated separately, each terminal 21 (851,1061,1251) is not interfered with each other when the high-speed transfer signal, can prevent by guide card 4 (87,108,127) again and itself reach extraneous electromagnetic interference or cross-talk, reach quicker, the more stable effect of signal transmission.
Claims (9)
1, a kind of connector with anti-internal interference guide card, it comprises the glue heart, terminal group, division board group and connecting element; The intracardiac side of glue is offered several upper and lower end pilot trench and is isolated board slot, and offers chute respectively in glue heart both sides inner face; Terminal group terminal corresponding by several and that insert in the glue heart terminal groove is formed; The division board group is corresponding and insert the division board of glue septum cordis in board slot and form by several; Connecting element has the connecting element body, and it is intracardiac to be fixed in glue to slip into glue heart chute with its two ends; It is characterized in that the intracardiac side of described glue upper and lower end offers the film guiding slot that is positioned at the several terminals groove and isolates the board slot upper and lower; Correspondence is established two guide cards respectively in film guiding slot.
2, the connector with anti-internal interference guide card according to claim 1 is characterized in that described film guiding slot central authorities are provided with one or more fin.
3, the connector with anti-internal interference guide card according to claim 1 is characterized in that described guide card is provided with one or more short slots.
4, the connector with anti-internal interference guide card according to claim 1 is characterized in that described connecting element body center is provided with the film guiding slot of inserting for guide card.
5, the connector with anti-internal interference guide card according to claim 1 is characterized in that described connecting element body two sides is provided with the spacer corresponding with terminal group.
6, the connector with anti-internal interference guide card according to claim 1 is characterized in that described connecting element body is a printed circuit board (PCB).
7, the connector with anti-internal interference guide card according to claim 1 is characterized in that described connecting element has two cover plates of being located at connecting element body two sides; Two cover plates are covered on connecting element body two sides; Cover plate is provided with the film guiding slot of inserting for guide card; Be inserted in the cover plate film guiding slot guide card respectively with insert glue heart film guiding slot in guide card contact.
8, the connector with anti-internal interference guide card according to claim 7 is characterized in that film guiding slot central authorities are provided with one or more fin on the described cover plate.
9, the connector with anti-internal interference guide card according to claim 7 is characterized in that the described guide card that is inserted in the cover plate film guiding slot is provided with one or more short slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101033269A CN100347910C (en) | 2003-10-28 | 2003-10-28 | Connector with internal interference preventing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101033269A CN100347910C (en) | 2003-10-28 | 2003-10-28 | Connector with internal interference preventing sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1612426A CN1612426A (en) | 2005-05-04 |
| CN100347910C true CN100347910C (en) | 2007-11-07 |
Family
ID=34756625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101033269A Expired - Fee Related CN100347910C (en) | 2003-10-28 | 2003-10-28 | Connector with internal interference preventing sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100347910C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109586118A (en) * | 2018-12-05 | 2019-04-05 | 东莞市鼎通精密五金股份有限公司 | A kind of high speed communication connector reducing cross-interference issue |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749371A (en) * | 1985-11-05 | 1988-06-07 | Honda Tsushin Kogyo Kabushiki Kaisha | Connector for a flat cable |
| CN2351884Y (en) * | 1998-12-29 | 1999-12-01 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN2351845Y (en) * | 1998-11-25 | 1999-12-01 | 富士康(昆山)电脑接插件有限公司 | Cable connector device |
| CN2381035Y (en) * | 1999-06-07 | 2000-05-31 | 至佳电子股份有限公司 | Connector |
| CN2528125Y (en) * | 2002-02-11 | 2002-12-25 | 至佳电子股份有限公司 | Interference-preventing line connector |
-
2003
- 2003-10-28 CN CNB2003101033269A patent/CN100347910C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749371A (en) * | 1985-11-05 | 1988-06-07 | Honda Tsushin Kogyo Kabushiki Kaisha | Connector for a flat cable |
| CN2351845Y (en) * | 1998-11-25 | 1999-12-01 | 富士康(昆山)电脑接插件有限公司 | Cable connector device |
| CN2351884Y (en) * | 1998-12-29 | 1999-12-01 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN2381035Y (en) * | 1999-06-07 | 2000-05-31 | 至佳电子股份有限公司 | Connector |
| CN2528125Y (en) * | 2002-02-11 | 2002-12-25 | 至佳电子股份有限公司 | Interference-preventing line connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1612426A (en) | 2005-05-04 |
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Granted publication date: 20071107 Termination date: 20091130 |