WO2009133738A1 - 光コネクタ用ハウジング及び光コネクタ - Google Patents
光コネクタ用ハウジング及び光コネクタ Download PDFInfo
- Publication number
- WO2009133738A1 WO2009133738A1 PCT/JP2009/055896 JP2009055896W WO2009133738A1 WO 2009133738 A1 WO2009133738 A1 WO 2009133738A1 JP 2009055896 W JP2009055896 W JP 2009055896W WO 2009133738 A1 WO2009133738 A1 WO 2009133738A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical connector
- ferrule assembly
- housing
- ferrule
- optical
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
- G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3851—Ferrules having keying or coding means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/3871—Ferrule rotatable with respect to plug body, e.g. for setting rotational position ; Fixation of ferrules after rotation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3893—Push-pull type, e.g. snap-in, push-on
Definitions
- the present invention relates to an optical connector housing for holding a ferrule assembly used for transmission / reception of optical signals and the like, and an optical connector having the ferrule assembly attached to the housing.
- ferrules used for connecting ends of optical fibers that transmit and receive optical signals such as optical communication are generally formed into ceramics with zirconia as the main component into a predetermined shape by injection molding, and then fired. can get.
- the ferrule has a through hole for inserting an optical fiber, and is used as a ferrule assembly that holds and fixes the optical fiber in the through hole.
- the ferrule assembly is also widely used for an optical connector used for establishing a communication path by connecting optical fibers or a semiconductor laser module including a semiconductor laser and an optical fiber.
- Optical connectors are often used as relay members between optical fibers in order to transmit optical signals transmitted from a semiconductor module or the like to other optical element parts from an optical fiber or to transmit them to positions separated by a long distance. .
- this type of optical connector in order to efficiently propagate the light from one fiber to the other fiber, the ends of the ferrules are brought into close contact with each other and their axes (specifically, the axes of the cores) are matched. This is a preferable connection form.
- Optical connectors require assembly stability at the connection site and protection of the connection, and the optical fiber cores are precisely aligned to minimize connection loss when connecting optical connectors together. It is desirable to eliminate the manufacturing error as much as possible.
- the shape and size of each component constituting the optical connector itself serving as a connection end are: Not only is high precision required, but careful attention must be paid to the assembly of optical connectors.
- the optical path described above can be established by inserting the optical connector into an opening of a jack jack for communication arranged on a panel such as a wall.
- the latch formed integrally with the housing of the optical connector is held so as not to be easily detached by engaging in the opening of the jack socket.
- the optical connector is used in a mutually opposed connection via an adapter housing in order to extend the optical fiber.
- Patent Document 1 An example of the optical connector configured as described above is disclosed in Patent Document 1, for example.
- a housing 51 having a rectangular outer shape and a cylindrical shape forms a main part, and a cavity 52 is formed therein.
- a latch 53 is integrally provided on the upper portion of the housing 51, and the housing 51 is held by being engaged in an opening of a jack socket attached to a panel or the like.
- a ferrule assembly 54 having a ferrule 55 for establishing a communication path is accommodated in the cavity 52.
- the ferrule assembly 54 is fitted with a compression coil spring 56, and the ferrule assembly 54 is elastically held in the cavity 52 by the elastic return force of the compression coil spring 56 so that the ferrule assembly 54 can move forward and backward. And the communication path is established.
- reference numeral 61 denotes a dust cap that protects the ferrule from dust, dirt, dirt, and the like.
- the ferrule assembly 54 includes a ferrule 55 and a holder 57 that holds the ferrule 55.
- the holder 57 guides the compression coil spring 56, and the compression coil spring 56.
- a truncated cone-shaped guide portion 57c continuous with the flange portion 57b is formed on the front side to which the ferrule 55 is attached.
- the ferrule assembly 54 is housed in the housing 51 with the optical connection end of the ferrule 55 projecting toward the opening 51b side of one end of the housing 51 in a state where the guide cylinder 57a is supported by the insertion body 58. .
- the holder 57 of the ferrule assembly 54 is fitted into the recesses 51a and 51d having a shape corresponding to the holder 57, and the opening 51c at the other end is closed by the sealing body 60 as shown in FIG.
- the protruding position of the ferrule 55 is set.
- the tip of the trigger lever 60 a protruding from the sealing body 60 is positioned above the latch 53 of the housing 51.
- the opposing latch 53 is lowered against the elastic force, and the optical connector 50 inserted into the opening of the jack socket or the like is released from the engagement and can be removed.
- ⁇ Ferrules and optical connectors are precision processed so that accurate optical connections can be made.
- a hexagonal recess 51 d provided corresponding to the shape of the flange portion 57 b is provided in the cavity 52, and the ferrule assembly 54 is normally connected to the connecting end by a compression coil spring 56. Since the pressing force of the coil spring 56 biases the flange portion 57b precisely and closely into the recess 51d, the ferrule assembly 54 is mounted in the cavity 52 of the housing 51. Thus, an appropriate communication path with the connected end is established and high-quality signal propagation can be performed.
- the compression coil spring 56 is in a state where the hexagonal columnar flange portion 57b does not fit closely with the recess 51d as shown in FIG. May be fixed by the urging force.
- the optical connector may be fixed in the incomplete state shown in FIG. 10 even when the optical connector is repeatedly inserted into and removed from the jack socket, or repeatedly connected to and detached from the relay adapter. If the optical connection operation is performed using the optical connector in which the ferrule assembly 54 is held in such an incomplete state, not only the propagation of an appropriate optical signal becomes impossible, but the cause of the connection failure is not known. The work can also take a lot of time.
- the present invention (1) An optical connector housing that accommodates a ferrule assembly having a polygonal columnar flange portion in a cavity and elastically holds the ferrule assembly so as to freely move forward and backward, and the flange portion of the ferrule assembly is inserted and locked in the cavity.
- a bulge that rises toward the ferrule assembly insertion port is formed at the end of each engagement wall that constitutes the engagement portion on the ferrule assembly insertion side.
- Each bulging portion is provided with different rising heights, and an optical connector housing, (2) The optical connector housing according to (1), wherein each bulging portion rises in a curved surface shape, (3) The optical connector housing of (1) above, wherein each bulging portion rises into a curved surface having the same radius of curvature. (4) The rising heights of adjacent bulging portions are sequentially reduced. (1) or (2) optical connector housing, (5) The ferrule assembly is held in the housing by fitting and locking the flange portion of the ferrule assembly to the engaging portion of the optical connector housing of any one of (1) to (4) above.
- the flange portion in the manufacturing process of assembling the connector, the flange portion always corresponds to the shape of the flange portion so that the ferrule assembly is rotated around the axis so that the ferrule assembly is smoothly accommodated in the cavity.
- the ferrule assembly is securely and tightly fitted in the recess having the shape as described above, and the ferrule assembly is held by a stable spring biasing force, which increases the reliability during assembly of the connector and repeats insertion and removal of the connector. Also, there is an effect that there is no possibility that the connection accuracy is lowered.
- FIG. 3 is a view of the optical connector housing shown in FIG. It is a general
- (A) is a side view of the ferrule assembly, and
- (B) is a longitudinal section of the ferrule assembly.
- (A) is a side view of the ferrule assembly
- (B) is a longitudinal section of the ferrule assembly.
- It is the schematic of a press test apparatus.
- It is a top view of the conventional optical connector.
- It is a longitudinal cross-sectional view which shows the favorable assembly state of the conventional housing for optical connectors, and a ferrule assembly.
- It is a longitudinal cross-sectional view which shows the bad assembly state of the conventional housing and a ferrule assembly.
- FIG. 1 is an exploded perspective view of an optical connector according to the present invention
- FIG. 2 is a longitudinal sectional view of a housing of the optical connector according to the present invention
- FIG. 3 is a view taken in the direction of arrow A in FIG.
- FIG. 5A and FIG. 5B are side views and longitudinal sectional views of the ferrule assembly
- FIG. 6 is a partial longitudinal section showing the relationship between the housing and the ferrule assembly.
- FIG. 7 is a schematic view of a pressing test apparatus.
- an optical connector 1 includes a housing 2 as a main housing, a ferrule assembly 3 accommodated in the housing 2, an insert 4 for guiding the ferrule assembly 3, and a sealing body. And 5.
- the housing 2 and the sealing body 5 are made of a polyphenylsulfone (PPSU) -based material.
- a cavity 13 is formed inside the housing 2 (FIG. 2), and a latch 6 is formed integrally with the upper portion of the housing 2 so as to project from the connection end side in a shoulder-held state.
- a dust cap 8 is detachably attached to the opening side 7 where the connection end side is located.
- the ferrule assembly 3 includes a ferrule 9 and a holder 10 that firmly holds the ferrule 9 and a main portion.
- the ferrule 9 is injection-molded with ceramics or zirconia. It is formed by a known method.
- the holder 10 is made of stainless steel or brass.
- the ferrule 9 has a through hole 9a for inserting an optical fiber in the axial direction, and is held in the holder 10 by press-fitting or bonding.
- the ferrule 9 can be used in either a single mode or a multimode.
- the ferrule 9 is formed in a cylindrical shape, and can have, for example, an outer diameter D: ⁇ 1.25 mm, a length L: 6.4 mm, and an inner diameter d: ⁇ 0.125 mm.
- the holder 10 is formed by integrally forming a guide cylinder 10c for guiding a compression coil spring on the rear end side of the hexagonal columnar flange portion 10a, and integrally forming a truncated cone-shaped guide portion 10b on the front end side of the flange portion 10a. ing.
- the hexagonal columnar flange portion 10a of the holder 10 has a standard spacing of 2.54 mm between opposing wall surfaces.
- a flexible tube 11 is fitted in the guide tube 10c of the holder 10, and a compression coil spring 12 is fitted on the outer periphery thereof.
- the ferrule assembly 3 is elastically held in the cavity 13 so as to be able to advance and retreat by the compression coil spring 12.
- the tubular insert 4 is inserted from the rear end of the tube 11 to press the end of the compression coil spring 12, and the seal 5 and the housing 2 are engaged in the longitudinal direction, whereby the ferrule assembly 3 is moved. While being accommodated in the cavity 13, the end of the insert 4 protrudes from the end of the sealing body 5 and is assembled in the same manner as the conventional optical connector shown in FIG. By this assembly, the ferrule assembly 3 is elastically accommodated in the cavity as shown in FIG. Due to the engagement between the housing 2 and the sealing body 5, the tip of the trigger lever 5 a of the sealing body 5 is positioned above the latch 6 of the housing 2.
- a cylindrical cavity 13 is formed in the housing 2, and a recess 14 having a shape corresponding to the shape of the holder 10 is formed between the opening 7 facing the optical connection end side of the ferrule 9 and the cavity 13.
- the recess 14 is formed by providing a fitting portion 14b and a hexagonal engagement portion 14a adjacent to each other so as to correspond to the truncated cone-shaped guide portion 10b of the holder 10 and the hexagonal columnar flange portion 10a.
- the bulging portion 14c extends from the respective end side of each of the wall portions 14a1 to 14a6 of the engaging portion 14a on the ferrule assembly insertion side (the end side on the cavity 13 side of each of the wall portions 14a1 to 14a6) into the cavity 13. (Respectively 14c1 to 14c6) are formed.
- Each of the bulging portions 14c1 to 14c6 is preferably formed to rise in a curved surface, and since the boundary portion between the bulging portion 14c and the wall portion of the engaging portion 14a is smoothly connected, the ferrule assembly 3 is housed in the housing. 2 can be easily and reliably inserted and held.
- each bulging portion is preferably configured to have the same radius of curvature R, and R is preferably about 0.45 mm to 0.85 mm.
- the rising height L of each of the bulging portions 14c1 to 14c6 is preferably 0.24 mm to 0.51 mm, and is formed at different heights. As shown specifically, it is preferable that the rising heights L1 to L6 of the adjacent bulges are sequentially reduced.
- the rising height L1 of the bulging portion 14c1 is 0.45 mm
- the rising height L2 of the adjacent bulging portion 14c2 is 0.42 mm
- the bulging amount is sequentially changed in units of 0.03 mm from L3 to L6. Can be configured.
- the rising height L1 of the bulged portion 14c1 having the highest height is 0.45 mm
- the rising height L6 of the bulging portion 14c6 having the lowest height is 0.30 mm, which is a difference of 0.15 mm.
- optical connection is possible by inserting the holder 10 into the recess 14 so that the flange portion 10a of the holder 10 is securely engaged with the engaging portion 14a.
- fine eccentricity occurs.
- the engagement between the flange portion 10a and the engagement portion 14a is released, the ferrule assembly 3 is rotated, and the flange portion 10a and the engagement portion 14a are re-engaged at a position where an optimum optical connection can be made.
- the optical connection state is finely adjusted.
- the shape of the flange portion can be set as appropriate because the shape may be a quadrangular column shape or other polygonal column shape. It is clear that it is not interpreted.
- the radius of curvature and the rising height of the bulging portion in the present invention can be appropriately changed in design by those skilled in the art, and are not limited to these numerical values.
- the rising heights of the adjacent bulging portions are displaced stepwise has been shown, the rising height of each bulging portion is gradually lowered so that the overall height is a continuous spiral. It can also be formed so as to be low.
- Three optical connectors of the present invention (samples 1 to 3) having a bulging portion formed so that the rising height is lowered by 0.03 mm from 0.45 mm to 0.30 mm, and has a bulging portion.
- Three optical connectors having no conventional structure (samples 4 to 6) were prepared, and the ferrule 9 was repeatedly pressed with the pressing device shown in FIG. 7 to test whether the ferrule 9 returned to a normal position.
- the entire pressing test apparatus is controlled by a control unit (CPU) 21, and a reciprocating motion of the plunger 20 a of the cylinder device 20 facing the ferrule 9 gives the ferrule 9 repeated advancing and retreating operations.
- the ferrule assembly 3 retracts into the opening 7 against the force of the compression coil spring described above.
- This retracting operation also serves as the above-described eccentric position adjustment work.
- the advancing / retreating operation of the ferrule 9 is detected by the sensors 26 a and 26 b, and the operation is photographed by the video camera 25 and displayed on the monitor 24.
- the output signal of the sensor 26 is measured by the counter 23 and the result is taken into the memory 22. If the ferrule 9 does not protrude to the original position due to the elastic return force of the compression coil spring despite the retraction after the protrusion operation of the plunger 20a, the sensor counts 1 as an error.
- the number of error occurrences was measured by performing the reciprocating motion of the plunger 50 times for each sample using the above measuring apparatus.
- the results are shown in Table 1. From the results shown in Table 1, the error occurred in the optical connector of the conventional configuration 9 times in the sample 4, 5 times in the sample 5, and 7 times in the sample 6.
- the optical connector of the present invention was proved that almost no error occurred in any of the samples 1 to 3, and the optical connector obtained by using the housing of the present invention having the bulging portion in the cavity, The optical connector obtained by using the conventional housing having no portion has a great difference in stability when the ferrule assembly is housed in the housing.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
本発明は、上記した従来の問題点に鑑みなされたものであり、組立の信頼度が高く且つ光コネクタとして繰り返しの着脱を容易にすると共に、光コネクタとして接続信頼性の高い光コネクタ用ハウジング及び光コネクタを提供するものである。
(1)多角柱状のフランジ部を有するフェルール組立体をキャビティ内に収容して弾性的に進退自在に保持する光コネクタ用ハウジングであって、キャビティ内にフェルール組立体のフランジ部が挿入係止される多角形状の係合部を有し、該係合部を構成する各係合壁のフェルール組立体挿入側の端辺には、フェルール組立体の挿入口に向かって立ち上がる膨出部が形成され、各膨出部は立ち上がり高さがそれぞれ異なって設けられていることを特徴とする光コネクタ用ハウジング、
(2)各膨出部が曲面状に立ち上がっている上記(1)の光コネクタ用ハウジング、
(3)各膨出部が同一の曲率半径の曲面状に立ち上がっている上記(1)の光コネクタ用ハウジング
(4)隣接する膨出部の立ち上がり高さが順次低くなるように形成されている上記(1)又は(2)の光コネクタ用ハウジング、
(5)上記(1)~(4)のいずれかの光コネクタ用ハウジングの係合部に、フェルール組立体のフランジ部を嵌合係止させてフェルール組立体をハウジングに保持させてなることを特徴とする光コネクタ、
を要旨とするものである。
2 ハウジング
3 フェルール組立体
4 挿入体
5 封止体
6 ラッチ
9 フェルール
10 ホルダ
10a フランジ部
12 圧縮コイルバネ
13 キャビティ
14 窪み
14a 係合部
14b 嵌合部
14c 膨出部
そして、本発明における膨出部の曲率半径及び立ち上がり高さも当業者において適宜設計的に変更可能であり、この数値に限定的されるものでもない。また、隣接する膨出部の立ち上がり高さは段階的に変位させた例を示したが、各膨出部の立ち上がり高さがなだらかに低くなるようにして、全体として連続した螺旋状に高さが低くなるように形成することもできる。
Claims (5)
- 多角柱状のフランジ部を有するフェルール組立体をキャビティ内に収容して弾性的に進退自在に保持する光コネクタ用ハウジングであって、キャビティ内にフェルール組立体のフランジ部が挿入係止される多角形状の係合部を有し、該係合部を構成する各係合壁のフェルール組立体挿入側の端辺には、フェルール組立体の挿入口に向かって立ち上がる膨出部が形成され、各膨出部は立ち上がり高さがそれぞれ異なって設けられていることを特徴とする光コネクタ用ハウジング。
- 各膨出部が曲面状に立ち上がっている請求項1記載の光コネクタ用ハウジング。
- 各膨出部が同一の曲率半径の曲面状に立ち上がっている請求項1記載の光コネクタ用ハウジング。
- 隣接する膨出部の立ち上がり高さが順次低くなるように形成されている請求項1又は2記載の光コネクタ用ハウジング。
- 請求項1~4のいずれかに記載の光コネクタ用ハウジングの係合部に、フェルール組立体のフランジ部を嵌合係止させてフェルール組立体をハウジングに保持させてなることを特徴とする光コネクタ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09738675.9A EP2278367B1 (en) | 2008-04-28 | 2009-03-25 | Housing for optical connector and optical connector |
CN2009801135643A CN102007437B (zh) | 2008-04-28 | 2009-03-25 | 光连接器用护套和光连接器 |
JP2010510062A JP5181020B2 (ja) | 2008-04-28 | 2009-03-25 | 光コネクタ用ハウジング及び光コネクタ |
US12/988,927 US8419294B2 (en) | 2008-04-28 | 2009-03-25 | Housing for optical connector and optical connector |
HK11105946.1A HK1151861A1 (en) | 2008-04-28 | 2011-06-13 | Housing for optical connector and optical connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-117672 | 2008-04-28 | ||
JP2008117672 | 2008-04-28 |
Publications (1)
Publication Number | Publication Date |
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WO2009133738A1 true WO2009133738A1 (ja) | 2009-11-05 |
Family
ID=41254961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/055896 WO2009133738A1 (ja) | 2008-04-28 | 2009-03-25 | 光コネクタ用ハウジング及び光コネクタ |
Country Status (7)
Country | Link |
---|---|
US (1) | US8419294B2 (ja) |
EP (1) | EP2278367B1 (ja) |
JP (1) | JP5181020B2 (ja) |
KR (1) | KR101563241B1 (ja) |
CN (1) | CN102007437B (ja) |
HK (1) | HK1151861A1 (ja) |
WO (1) | WO2009133738A1 (ja) |
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CH706931A1 (fr) | 2012-09-12 | 2014-03-14 | Fischer Connectors Holding Sa | Contact étanche en position déconnectée pour connecteur. |
CN102928934B (zh) * | 2012-11-01 | 2014-05-14 | 南京普天天纪楼宇智能有限公司 | 用于lc型光纤连接器中的外壳拉拔装置 |
KR101670989B1 (ko) * | 2015-03-03 | 2016-11-01 | 주식회사 제시테크 | 광 손실을 최소화한 광 커넥터 |
CH710818B1 (de) * | 2015-03-04 | 2021-01-29 | Novobit Ag | Einstellbarer faseroptischer Stecker. |
CN107544133B (zh) * | 2016-06-24 | 2021-07-09 | 上海澳华光电内窥镜有限公司 | 连接器头、连接器座、连接系统、光源装置和内窥镜 |
JP6247721B1 (ja) * | 2016-06-24 | 2017-12-13 | 日本航空電子工業株式会社 | 光コネクタプラグ |
TWI727144B (zh) * | 2018-02-14 | 2021-05-11 | 普泰光電股份有限公司 | 具有防水功能的光纖連接器 |
WO2021237127A1 (en) * | 2020-05-21 | 2021-11-25 | US Conec, Ltd | Ferrule seating features for a fiber optic connector |
JP2023056762A (ja) * | 2021-10-08 | 2023-04-20 | 住友電工オプティフロンティア株式会社 | 光コネクタ |
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US6550979B1 (en) * | 2001-10-19 | 2003-04-22 | Corning Cable Systems Llc | Floating connector subassembly and connector including same |
FR2832222B1 (fr) | 2001-11-15 | 2004-11-12 | Radiall Sa | Fiche optique et dispositif de connexion optique |
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2009
- 2009-03-25 CN CN2009801135643A patent/CN102007437B/zh active Active
- 2009-03-25 WO PCT/JP2009/055896 patent/WO2009133738A1/ja active Application Filing
- 2009-03-25 JP JP2010510062A patent/JP5181020B2/ja active Active
- 2009-03-25 US US12/988,927 patent/US8419294B2/en active Active
- 2009-03-25 EP EP09738675.9A patent/EP2278367B1/en active Active
- 2009-03-25 KR KR1020107022752A patent/KR101563241B1/ko active IP Right Grant
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2011
- 2011-06-13 HK HK11105946.1A patent/HK1151861A1/xx not_active IP Right Cessation
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JPH01253706A (ja) * | 1988-02-23 | 1989-10-11 | Amp Inc | 光ファイバケーブル用コネクタおよびその組付け方法 |
JP2001147344A (ja) * | 1999-10-06 | 2001-05-29 | Lucent Technol Inc | ポリフェニルスルホンを含むハウジングアセンブリを有する光コネクタ |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2019066771A (ja) * | 2017-10-04 | 2019-04-25 | 住友電気工業株式会社 | 光コネクタおよび光接続構造 |
JP7027781B2 (ja) | 2017-10-04 | 2022-03-02 | 住友電気工業株式会社 | 光コネクタおよび光接続構造 |
Also Published As
Publication number | Publication date |
---|---|
KR20100135794A (ko) | 2010-12-27 |
CN102007437B (zh) | 2012-11-07 |
EP2278367B1 (en) | 2016-07-27 |
JPWO2009133738A1 (ja) | 2011-09-01 |
US8419294B2 (en) | 2013-04-16 |
EP2278367A4 (en) | 2011-12-14 |
US20110038584A1 (en) | 2011-02-17 |
JP5181020B2 (ja) | 2013-04-10 |
KR101563241B1 (ko) | 2015-10-26 |
HK1151861A1 (en) | 2012-02-10 |
EP2278367A1 (en) | 2011-01-26 |
CN102007437A (zh) | 2011-04-06 |
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