CN102645710A - Integral maximum power output (MPO) optical fiber adapter - Google Patents
Integral maximum power output (MPO) optical fiber adapter Download PDFInfo
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- CN102645710A CN102645710A CN2011104149030A CN201110414903A CN102645710A CN 102645710 A CN102645710 A CN 102645710A CN 2011104149030 A CN2011104149030 A CN 2011104149030A CN 201110414903 A CN201110414903 A CN 201110414903A CN 102645710 A CN102645710 A CN 102645710A
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- side wall
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- snap close
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- 239000013307 optical fiber Substances 0.000 title abstract description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 20
- 230000003287 optical effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The invention provides a special integral maximum power output (MPO) optical fiber adapter, which consists of a case and a lock buckle, wherein the case is integrally formed by a mold, the lock buckle is integrally formed by a mold. The case in the integral mold forming design and the lock buckle in the integral mold forming design are adopted, the problem of mutual tearing or falling of two outer rubber cases as the external force is exerted on the traditional MPO adapter for a period of time is effectively solved, and the problem of falling of two lock buckles from the two outer rubber cases because of the mutual tearing or falling of the two outer rubber cases is also solved. The special integral MPO optical fiber adapter is used for coupling a multi-core MPO male head connector and a multi-core MPO female head connector so that two inserting cores of the MPO male head and female head connectors are in complete contact.
Description
Affiliated technical field
This invention relates to fiber adapter, is that a structure and optical property significantly improve and very special MPO type fiber adapter.
Technical background
Optical fiber is thoroughly changed whole world communication.Along with the optical fiber purposes is just becoming increasingly extensive, optical cable is connected from disparate modules or break off just becoming and become more and more important.Optical cable is connected with each other through the joints of optical fibre and fiber adapter when communication, and the joints of optical fibre are terminated at the two ends of optical cable, then the joints of optical fibre behind the terminating optical cables is inserted fiber adapter.Fiber adapter has the opposite opening of both direction, and each opening is used to receive joints of optical fibre.
Yet the joints of optical fibre of single core are used very for high-density module and are taken up space, so the joints of optical fibre of some multicore types are developed such problem that solves.
With reference to accompanying drawing 1, what represent among the figure is traditional multicore MPO connector.MPO connector (10 and 10 ') has the 60 supporting with it uses of corresponding M PO adapter.The plastic cement lock pin 18 of the public head connector 10 of MPO have two register pins 12 in the past distal process come out, MPO female connector 10 ' plastic cement lock pin 18 ' front end have with register pin 12 corresponding two pilot holes 12 of public head connector 10 '.When MPO connector (10 and 10 ') when being connected with each other through MPO adapter 20; Two register pins 12 of the public head connector 10 of MPO will insert MPO female connector 10 ' two pilot holes 12 ' in; All have one in two openings of adapter respectively all to barb 16; The two pairs of barbs 62 will pin respectively the groove position 14 and 14 of the connector left and right sides ', with a little whiles, the lock pin 18 that makes public head connector 10 and female connector 10 ' lock pin 18 ' contact fully.
With reference to accompanying drawing 2, traditional M PO adapter has two shapes, the identical a pair of plastic shell 24 of size and two shapes, big or small identical pair of catches 28 to give.Each adapter shell left and right sides all has a pair of two shapes, big or small identical flange 26.Two shapes, size snap close 28 completely will be put in two shapes, big or small identical plastic shell 24 the insides.During the product assembling; Two snap closes 28 insert two plastic shells, 26 the insides from the bottom (that end that has flange 26) of two plastic shells 24; Weld through flange 26 parts of ultrasound machine, the glue shell 24 of two shapes, size is coupled together fully the plastic shell 24 of two shapes, size.
Yet there is serious problem in top design.When insert a public MPO connector and a female MPO connector respectively from MPO adapter two openings after; And after the MPO adapter is fixed; Termination has the optical cable of connector can rotate distortion naturally in use; After plug was used after a while, the gathering of related pressure or external force maybe can cause two outer glue shells 24 to tear each other or to come off coming.After glue shell 24 outside two two was torn or come off, two snap closes 28 that are inserted in the inside also came off out for 24 li from outer glue shell.Perhaps, the defective of tradition MPO adapter can change metal into by plastic cement through the material with two plastic shells 24, makes adapter have enough intensity to withstand these pressure with this.But the potential risk that shell 24 comes off each other still exists.Meanwhile this has also brought the another one problem, and metal material is compared plastic material, only can be high with regard to material cost, and the cost of metal machine work simultaneously or die cast also can exceed much than mold injection molding cost.
So, be necessary to provide a new MPO adapter to solve the defective of above-mentioned existence.
Summary of the invention
The present invention seeks to fit device because of being unable to bear the deficiency that pressure or external force cause two shapes, identical two plastic shells 24 of size to tear each other or come off in order to solve tradition fully; Provide a rational in infrastructure; The quantity of product component can be reduced, the product of the structure and the optical property of conventional adaptation can be obviously improved again.Another object of the present invention; Remove the complicated procedures of forming that needs ultrasonic soldering when traditional MPO adapter is assembled; Simplify the assembling process of products flow process and reduce material cost through reducing number of parts, a and traditional MPO adapter lower MPO adapter of cost of comparing is provided.
The object of the invention mainly is achieved through following technical proposals:
The formed in mould shell A that has comprised an individual formula with reference to accompanying drawing 3 integral type MPO fiber adapter of the present invention.Integral type plastic shell A inside is the coaxial cavity 56 of an annular.Annular coaxial cavity 56 is made up of a upper wall 64, lower wall 60, left side wall 65,63 of a right side wall.Coaxial cavity 56 has the first opposite opening 55 of opening direction and second opening 61.The both sides, middle part, surface that are positioned at integral type shell A ' are middle parts of a pair of flange 50 and 50 left side walls 65 of 62, one flanges, and another flange 62 is positioned at the middle part of right side wall 63.Two flanges 50 and 62 play a crucial role when being fixed to MPO integral fibre-optic adapter on the module faceplate.Two relative projections 57 be positioned at outer glue shell A relative two openings 55 and 61 near lower wall 60 on.Groove 59 is between the relative projection 57 of two on the lower wall 60, and projection 57 is through whole lower wall 60.Two projections 52 and 66 are positioned at integral type shell A left side wall 65 inboards.Two projections 52 and 66 (in accompanying drawing 3, and do not show) are equally also arranged in integral type shell A right side wall 63 inboards.Between two projections 52 and 66 on left side wall 65 and right side wall 63 inboards groove 54 is arranged respectively.Left side wall 65 respectively has a step 53 with the medium position of the groove 54 of right side wall 63 inboards.Step 53 towards the inclined-plane of first opening 55 be respectively with left side wall 65 and 63 one-tenths certain included angle of right side wall, step 53 is respectively perpendicular to left side wall 65 and right side wall 63 towards the another side of second opening 61.Near two opposed openings 55 and 61 of upper wall 64 inboards, a projection 51 is arranged.During the product assembling; Near second opening 61 projection 51, projection 52, projection 66, projection 57, projection 59 and step 58 will contact with the step 13 on the outer glue shell of the public head connector 10 of MPO, step 13 on the shell of MPO female connector 10 ' mould outward ' will contact with near projection 51, projection 52, projection 66, projection 57, the projections 59 another opening 55 of outer glue shell A.The integral type catch surface has one to be used to place near the groove 59 of groove position 67. second opening 61 of metal clips 68 (with reference to accompanying drawing 6b) small stair 58 is arranged, and the height of small stair 58 is consistent with the height of projection 57.The projection 52 on the left side wall 65 of integral type shell A, right side wall 63 inboards and the width of a pair of groove 54 between the projection 66 are slightly wideer than the width of a pair of italic projection lock pin 33 of both sides, integral type snap close B surface middle part, and the degree of depth of groove 54 is slightly greater than the height of italic projection lock pin 33.
The formed in mould snap close B that also comprises integral type with reference to accompanying drawing 4 integral type MPO adapters of the present invention.Snap close B has first opening 43 and second opening 39 of two Rather, openings.First opening 43 of integral type snap close B and second opening, 39 front ends respectively have a pair of barb 31 that extends out from snap close length about 1/3.There are two pairs of grooves of emptying fully 32 (groove of emptying fully 32 makes two pairs of barbs have elasticity) and two pairs of grooves of emptying fully 35 in two pairs of barb 31 both sides.Snap close circular arc left side wall and circular arc right side wall middle part have a rubber-like italic projection lock pin 33 are respectively arranged; Three faces of a pair of italic projection snap close 33 all are that groove 34, three faces of emptying fully all are that the groove of emptying fully 34 makes italic projection lock pin 33 have elasticity.Respectively have near two openings 43 of integral type snap close B and 39 the upper wall on left side wall and the left side wall that the circular arc right side wall has constituted annular coaxial cavity 42. circular arcs and the right side wall of upper wall 40 and lower wall 36 (upper wall 40 is relative with lower wall 36) and circular arc of a pair of rectangular aperture 44 and a square hole 45. integral type snap close B two pairs of barbs 31, a pair of rubber-like italic projection lock pin 33 are arranged.One projection 41 is arranged on the lower wall 36 of annular coaxial cavity 42, and the width of projection 41 is narrower slightly than groove 59 width of integral type shell A, and the degree of depth of groove 59 is slightly greater than the height of projection 41.The front end of the projection 41 near the lower wall 36 first opening 43 has a breach 37.There is a groove 38 lower wall 36 inside of annular coaxial cavity 42; The width of groove 38 is slightly wideer than the width of projection 17 ' (with reference to the accompanying drawing 1) of connector 10 ' (with reference to accompanying drawing 1), and its degree of depth is slightly larger than the height of projection 17 ' (with reference to the accompanying drawing 1) of connected device 10 ' (with reference to accompanying drawing 1).
With reference to accompanying drawing 5 the present invention when being assembled into one formula MPO adapter; First opening, 43 those ends of integral type snap close B insert from integral type shell first opening 55; The a pair of italic projection lock pin 33 at middle part, integral type snap close B circular arc two side is put into the left side wall 65 of integral type shell A, the projection 52 on the right side wall 63 and a pair of groove 54 between the projection 66, and (width of groove 54 is slightly wideer than the width of a pair of italic projection lock pin 33 of integral type snap close B both sides; The degree of depth is slightly greater than the height of italic projection lock pin 33); Simultaneously the projection 41 on the lower wall 36 of integral type snap close B (width of projection 41 is narrower slightly than groove 59 width, and it is highly slightly less than the degree of depth of groove 59) is put into the groove 59 of integral type shell A.Then snap close B is pressed within the integral type shell A fully.In the process that is pressed into integral type snap close B; When a pair of italic projection lock pin 33 of both sides, integral type snap close B middle part advances to a pair of step 53 places at two grooves, 54 middle parts of integral type shell A; Step 53 inclined-plane of glue shell first opening 55 outwardly will contact earlier with the inclined-plane of the italic projection lock pin 33 of integral type snap close A; In the process that is pressed into, because the surface slope of step 53 is more and more steeper, the space of groove 54 becomes more and more littler here; The italic projection lock pin 33 of the inclined-plane of step 53 compressing snap close A (three of the tops of italic projection lock pin 33, left side, right side empty a groove 34 designs fully; Make italic projection lock pin 33 have elasticity preferably) get in the coaxial cavity 42 of snap close B, italic projection lock pin 33 is through behind the step 53, and it is big that the space of groove 54 becomes suddenly; The elasticity of italic projection lock pin 33 can make it in coaxial cavity 42, outwards to open, and returns to original shape at once.The step 53 of integral type shell A glue shell A second opening 39 and will fasten the projection lock pin 33 of both sides, integral type position snap close B middle part perpendicular to the left side wall 65 and the plane of right side wall 63 outside integral type like this.Step 53 assemblies of the outer glue shell A of the italic projection lock pin 33 of integral type snap close B and integral type are tightly locked and are cooperated the anticreep design, can prevent effectively integral type snap close B when receiving external force outside integral type first opening of glue shell be pulled out for 55 li.Meanwhile; Integral type snap close B is pressed in the process of integral type shell A; Kicks 58 in the groove 59 of the outer glue shell A of integral type are placed near the breach 37 integral type snap close B first opening, the anticreep design that breach 37 matches with projection 58 can prevent integral type snap close B when receiving external force outside integral type second opening of glue shell A be pulled out for 62 li.Finally; Integral type snap close B is positioned entirely in the annular coaxial cavity 42 of the outer glue shell A of integral type; At this moment projection 57 near the lower wall 60 outer glue shell A first opening 55 and the projection 51 near the upper wall 64 first opening 55 are concordant with projection 41 edges on the upper wall 40 at integral type snap close second opening 39 places and lower wall 36 and the lower wall 36, and the MPO integral type adapter C after assembling is accomplished please refer to accompanying drawing 6a; Meanwhile, breach 37 will also please refer to accompanying drawing 6b with contacting with projection 58.
In operation, earlier integral type snap close B is inserted in the integral type shell A from first opening 55 of integral type shell A fully.MPO style connector 10 and 10 ' (accompanying drawing 1) inserted respectively in the annular coaxial cavity of first opening 43 of integral type snap close B and second opening, 39 integral type snap close B.MPO style connector 10 and 10 ' lock pin 18 and 18 ' (accompanying drawing 1) middle part (also being the medium position of integral type shell A flange 52 and 56) of inserting the annular coaxial cavity 42 of integral type snap close B.MPO style connector 10 and 10 ' projection 17 and 17 ' (accompanying drawing 1) be positioned in the groove 38 of integral type snap close B.Two pairs of barbs 31 of integral type snap close B respectively lock-bit MPO style connectors 10 and 10 ' groove 14 and 14 ' (accompanying drawing 1) of both sides.The register pin 12 of MPO style connector 10 (accompanying drawing 1) insert MPO style connector 10 ' pilot hole 12 ' (accompanying drawing 1) in, with MPO style connector 10 and 10 ' lock pin 18 and 18 ' be docking together fully.
MPO integral type adapter of the present invention has adopted the enclosure designs of integral type and the shackle designs of integral type, has solved conventional adapter fully and has caused two shells and two problems that independent snap close is torn or come off of being connected together by supersonic welding because of receiving carrying surface.
Brief Description Of Drawings
Accompanying drawing 1 is the 3 dimensional drawing of the MPO joints of optical fibre and conventional adapter
Accompanying drawing 2 is blast stereographic maps of traditional MPO fiber adapter
Accompanying drawing 3 is integral type shell 3 dimensional drawings of integral type MPO fiber adapter of the present invention
Accompanying drawing 4 is integral type snap close 3 dimensional drawings of integral type MPO fiber adapter of the present invention
Accompanying drawing 5 is blast 3 dimensional drawings of integral type MPO adapter of the present invention.
Accompanying drawing 6a is the three-dimensional structure diagram of integral type MPO adapter of the present invention.The jut of integral type padlock is pressed into the groove of lower wall of integral type shell from an opening of integral type shell among this figure.
Accompanying drawing 6b is the three-dimensional structure diagram of integral type MPO adapter of the present invention.The jut of integral type padlock is pressed into the groove of lower wall of integral type shell from an inlet of integral type shell among this figure, and the interior step of groove contacts on the breach in the integral type snap close lower wall groove and the outer glue shell lower wall.
Therefore, the present invention has following advantage:
The present invention adopt that the snap close mould process of integrated housing mould process and integral type constitutes integral type MPO adapter, compare with traditional MPO adapter and to have better optical property and mechanical property.
2. the present invention adopts the integrated casing and the design of integral type snap close anticreep of compact, has significantly improved integral type adapter 90 degree layback performances.
3. the present invention has thoroughly solved traditional right device because of being unable to bear the problem that pressure or external force cause two shapes, big or small identical glue shell to tear each other or come off, and tears each other or comes off and lead the problem that two snap closes come off out in the glue shell outside two thereby also solved because of two shapes, the identical outer glue shell of size.
4. the present invention has also thoroughly eliminated the potential risk that possibly cause two shapes, big or small identical glue shell to come off easily or tear because of ultrasonic soldering is bad when traditional MPO orchestration is assembled.
5. the present invention reduces to 2 with the number of parts of traditional MPO adapter by 4; Can shorten the product installation time significantly, improve the output in the unit interval, thereby enhance productivity; Also can improve the output of mold injection molding, this can reduce cost of products significantly.
6. have to adopt ultrasonic welding process during the assembling of traditional MPO adapter, and the present invention no longer needs this complicated ultrasonic welding process when assembling, and also can significantly reduce cost of products.
7. the present invention and traditional M PO adapter are compatible fully.
Claims (12)
1. the present invention relates to fiber adapter, is the special MPO adapter of a ten minutes, two the MPO connectors that are used to be coupled, and there is a pair of groove each MPO connector both sides.It is characterized in that the present invention comprises a formed in mould shell of integral type and the formed in mould snap close of an individual formula (traditional MPO adapter comprises two duplicate shells and two duplicate snap closes).
2. according to claim 1, the cover characteristics of integral type is that the surface has a groove position (traditional MPO adapter face has two groove positions that are used to place metal clips) that is used to place metal clips.
3. according to claim 1; The integral type cover characteristics is by the coaxial cavity of an annular of being made up of upper wall, lower wall, left side wall, right side wall; Coaxial cavity has the opposite opening of both direction; The upper wall and the lower wall that wherein constitute coaxial cavity are relative, and link to each other with left side wall and right side wall, and left side wall and right side wall are relative.
4. according to claim 1, the characteristic of integral type shell is on left side wall and the right side wall inboard a pair of projection to be arranged respectively.
5. of right 1, the characteristic of integral type shell is between each a pair of projection a groove to be arranged on left side wall and the right side wall inboard.
6. of right institute 5; Integral type shell left side wall is that its width is slightly wideer than the width of the elasticity italic projection lock pin of integral type snap close two middle side parts with notch feature on the right side wall inboard; Its degree of depth is slightly larger than the height of bullet degree elasticity italic projection lock pin, and the medium position of this groove has a slope shape step.
7. of right 6, the characteristic of slope shape step is the one side respectively left side wall and the right side wall of vertical integral type shell of step, and another side then is the inclined-plane that forms an angle with left side wall and right side wall respectively.
8. according to claim 1; The characteristic of integral type snap close is to have constituted an annular coaxial cavity that is used for placing the MPO connector by upper wall, lower wall, circular arc left side wall, circular arc right side wall; Coaxial cavity has the opposite opening of both direction; The circular arc left side wall that wherein constitutes integral type snap close annular cavity is relative with the circular arc right side wall, and circular arc left side wall, circular arc right side wall link to each other with the upper wall and the lower wall of integral type snap close, and the upper wall of integral type snap close is relative with lower wall.
9. of right 1; The characteristic of integral type snap close is that two ends respectively have a pair of barb that is used to pin MPO connector grooves on two sides; Barb is to extend out near medium position from the left and right sidewall of the circular arc of integral type snap close, and the both sides of barb are the grooves of emptying fully.
10. of right 1; The characteristic of integral type snap close is that circular arc left side wall and circular arc right side wall medium position have an elasticity italic projection lock pin is respectively arranged; And three faces of elasticity italic projection lock pin all are the grooves of emptying fully; The width of elasticity italic projection lock pin is slightly narrower than the width of the groove on integral type shell left side wall, the right side wall inboard simultaneously, and it highly is slightly less than the degree of depth of the groove on integral type shell left side wall, the right side wall inboard.
11. of right 1, the characteristic of integral type snap close is to have one to be used to place the groove of the projection on the connector surface on the lower wall, the width of groove is slightly wideer than the width of projection on the MPO connector surface, and its degree of depth is slightly larger than the height of MPO connector upper process.
12. of right 11, the notch feature on the integral type snap close lower wall is through whole lower wall, and a wherein end original position of groove has a breach, a step matches in the groove during assembling on this breach and the integral type shell lower wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104149030A CN102645710A (en) | 2011-11-24 | 2011-11-24 | Integral maximum power output (MPO) optical fiber adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104149030A CN102645710A (en) | 2011-11-24 | 2011-11-24 | Integral maximum power output (MPO) optical fiber adapter |
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| Publication Number | Publication Date |
|---|---|
| CN102645710A true CN102645710A (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104149030A Pending CN102645710A (en) | 2011-11-24 | 2011-11-24 | Integral maximum power output (MPO) optical fiber adapter |
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| CN (1) | CN102645710A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645545A (en) * | 2013-07-01 | 2014-03-19 | 富波有限公司 | Connector and connection method for connecting optical cable assemblies |
| CN105388568A (en) * | 2014-09-02 | 2016-03-09 | 株式会社精工技研 | Optical connector assembly and optical connector adapter with shutter |
| CN110381269A (en) * | 2019-08-02 | 2019-10-25 | 昆山思雷电子科技有限公司 | A kind of separable fiber transmission device |
| WO2022056811A1 (en) * | 2020-09-18 | 2022-03-24 | 3M Innovative Properties Company | Adaptor for testing and inspection of an optical connector |
| CN114391118A (en) * | 2019-07-12 | 2022-04-22 | 菲特有限责任公司 | Safety female adapter for optical fiber connection |
| CN115128747A (en) * | 2022-06-20 | 2022-09-30 | 武汉永鼎光通科技有限公司 | Optical module, case thereof, and method for assembling optical module |
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| CN102132182A (en) * | 2008-08-27 | 2011-07-20 | Adc电信公司 | Fiber Optic Adapters with Integral Molded Ferrule Alignment Structure |
| CN202693854U (en) * | 2011-11-24 | 2013-01-23 | 黄尚勇 | Integral MPO optical fiber adapter |
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2011
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| US20030169974A1 (en) * | 2002-03-05 | 2003-09-11 | Ngo Hung Viet | Optical connector adapter with latch inserts |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645545A (en) * | 2013-07-01 | 2014-03-19 | 富波有限公司 | Connector and connection method for connecting optical cable assemblies |
| CN103645545B (en) * | 2013-07-01 | 2016-03-23 | 富波有限公司 | The connector connected for cable assembly and method of attachment |
| CN105388568A (en) * | 2014-09-02 | 2016-03-09 | 株式会社精工技研 | Optical connector assembly and optical connector adapter with shutter |
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| CN105388568B (en) * | 2014-09-02 | 2017-05-31 | 株式会社精工技研 | Fiber optic connector assembly and the fiber adapter with shading baffle |
| CN114391118A (en) * | 2019-07-12 | 2022-04-22 | 菲特有限责任公司 | Safety female adapter for optical fiber connection |
| CN110381269A (en) * | 2019-08-02 | 2019-10-25 | 昆山思雷电子科技有限公司 | A kind of separable fiber transmission device |
| CN110381269B (en) * | 2019-08-02 | 2022-01-11 | 昆山思雷电子科技有限公司 | Separable optical fiber transmission device |
| WO2022056811A1 (en) * | 2020-09-18 | 2022-03-24 | 3M Innovative Properties Company | Adaptor for testing and inspection of an optical connector |
| CN115128747A (en) * | 2022-06-20 | 2022-09-30 | 武汉永鼎光通科技有限公司 | Optical module, case thereof, and method for assembling optical module |
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Application publication date: 20120822 |