CN1132036C - 用于塑料光纤的连接器 - Google Patents
用于塑料光纤的连接器 Download PDFInfo
- Publication number
- CN1132036C CN1132036C CN98126012A CN98126012A CN1132036C CN 1132036 C CN1132036 C CN 1132036C CN 98126012 A CN98126012 A CN 98126012A CN 98126012 A CN98126012 A CN 98126012A CN 1132036 C CN1132036 C CN 1132036C
- Authority
- CN
- China
- Prior art keywords
- connector
- optical fiber
- overcoat
- optical cable
- conduit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000013308 plastic optical fiber Substances 0.000 title claims abstract description 57
- 230000003287 optical effect Effects 0.000 claims abstract description 100
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000013307 optical fiber Substances 0.000 claims description 51
- 229920001169 thermoplastic Polymers 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 2
- 241001234523 Velamen Species 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 30
- 239000004606 Fillers/Extenders Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 15
- 239000011521 glass Substances 0.000 description 7
- 238000002788 crimping Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 239000004697 Polyetherimide Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 229920001601 polyetherimide Polymers 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004811 fluoropolymer Substances 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 101100074336 Xenopus laevis ripply2.1 gene Proteins 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920003031 santoprene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Images
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
- G02B6/389—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
-
- 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
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two 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
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/38875—Protection from bending or twisting
-
- 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
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3888—Protection from over-extension or over-compression
-
- 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
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3889—Anchoring optical cables to connector housings, e.g. strain relief features using encapsulation for protection, e.g. adhesive, molding or casting resin
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/995643 | 1997-12-22 | ||
US08/995,643 US5923805A (en) | 1997-12-22 | 1997-12-22 | Connector for plastic optical fiber |
US08/995,643 | 1997-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1221117A CN1221117A (zh) | 1999-06-30 |
CN1132036C true CN1132036C (zh) | 2003-12-24 |
Family
ID=25542054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98126012A Expired - Lifetime CN1132036C (zh) | 1997-12-22 | 1998-12-22 | 用于塑料光纤的连接器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5923805A (zh) |
EP (1) | EP0928978B1 (zh) |
JP (1) | JP3545957B2 (zh) |
CN (1) | CN1132036C (zh) |
CA (1) | CA2254709C (zh) |
DE (1) | DE69802496T2 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100399087C (zh) * | 2004-11-29 | 2008-07-02 | 日本航空电子工业株式会社 | 用于紧密地将光学连接器连接到光缆的装置 |
CN101587211B (zh) * | 2008-05-23 | 2012-03-28 | 哈廷电子有限公司及两合公司 | 用于光波导套管的外壳 |
Families Citing this family (87)
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JPH11174277A (ja) * | 1997-12-12 | 1999-07-02 | Yazaki Corp | 光コネクタ |
US6017153A (en) * | 1998-05-29 | 2000-01-25 | Lucent Technologies, Inc. | Optical fiber connector with auxiliary spring |
US6102581A (en) * | 1998-06-16 | 2000-08-15 | Lucent Technologies Inc. | Optical adapter including a ferrule assembly |
US6104856A (en) * | 1998-06-16 | 2000-08-15 | Lucent Technologies Inc. | Optical air-gap attenuator |
US6196731B1 (en) * | 1998-10-30 | 2001-03-06 | Lucent Technologies Inc. | Quick-connect fiber optic connector |
US6116789A (en) * | 1998-11-12 | 2000-09-12 | Delphi Technologies, Inc. | Coupling assembly for coupling glass optical fiber leads to plastic optical fiber leads of a hybrid fiber optic lighting distribution system |
US6481899B1 (en) | 1999-06-03 | 2002-11-19 | Hutchinson Technology Incorporated | Optical connector latching mechanism for a spectrophotometric instrument |
US6667803B1 (en) | 1999-06-03 | 2003-12-23 | Hutchinson Technology, Inc. | Calibration mode recognition and calibration algorithm for spectrophotometric instrument |
US6377840B1 (en) | 1999-06-03 | 2002-04-23 | Hutchinson Technology Incorporated | Signal acquisition and processing system for reduced output signal drift in a spectrophotometric instrument |
US6196733B1 (en) * | 1999-06-08 | 2001-03-06 | Lucent Technologies Inc. | Strain relief apparatus for optical connector |
EP1079251B1 (en) * | 1999-08-25 | 2005-11-02 | Interlemo Holding S.A. | A method for manufacturing a fibre optic male contact |
US6443629B1 (en) | 2000-02-22 | 2002-09-03 | Itt Manufacturing Enterprises, Inc. | Terminus body with trapped spring |
US6402393B1 (en) | 2000-02-29 | 2002-06-11 | Lucent Technologies Inc. | Interconnection system for optical circuit boards |
US6357930B1 (en) * | 2000-04-07 | 2002-03-19 | Panduit Corp. | Reversible connector sleeve with a breakway tab |
US9625649B2 (en) * | 2000-07-17 | 2017-04-18 | Commscope Technologies Llc | Connector system with physical security feature |
US8807843B2 (en) * | 2000-07-17 | 2014-08-19 | Tyco Electronics Corporation | Connector system with physical security feature |
US6543941B1 (en) * | 2000-10-18 | 2003-04-08 | Fitel Usa Corp. | Jack receptacle having optical and electrical ports |
JP3813496B2 (ja) * | 2000-12-20 | 2006-08-23 | 古河電気工業株式会社 | 光コネクタ |
US6863444B2 (en) * | 2000-12-26 | 2005-03-08 | Emcore Corporation | Housing and mounting structure |
US6511231B2 (en) | 2000-12-27 | 2003-01-28 | Fitel Usa Corp. | Optical connector receptacle having switching capability |
US6443627B1 (en) | 2001-01-10 | 2002-09-03 | Fitel Usa Corp. | Duplex optical connector |
US6478472B1 (en) | 2001-01-10 | 2002-11-12 | Fitel Usa Corp. | High-density optical connecting block |
US6568861B2 (en) * | 2001-05-16 | 2003-05-27 | Fci Americas Technology, Inc. | Fiber optic adapter |
US6652155B2 (en) * | 2001-06-21 | 2003-11-25 | Fitel Usa Corp. | Optical connector plug |
US6547450B2 (en) | 2001-06-27 | 2003-04-15 | Fitel Usa Corp. | Quick-release dust cap for an optical plug |
US7029182B2 (en) * | 2002-03-01 | 2006-04-18 | Fci Americas Technology, Inc. | Angled optical connector adapter mounting assembly |
US6604861B2 (en) * | 2002-03-28 | 2003-08-12 | Molex Incorporated | Cable management system for fiber optic connector assemblies |
DE10219892A1 (de) * | 2002-05-03 | 2004-02-05 | Krone Gmbh | Kupplung für Glasfaserverbinder |
US6619856B1 (en) * | 2002-05-20 | 2003-09-16 | Fitel Usa Corp. | Polarization maintaining optical fiber connector adapter |
AU2003240129A1 (en) * | 2002-07-16 | 2004-02-02 | Tyco Electronics Raychem Nv | Optical fibre connector |
US6702477B1 (en) * | 2002-09-23 | 2004-03-09 | Fci Americas Technology, Inc. | Adapter with cap for fiber optic connector |
US6739759B1 (en) * | 2003-03-13 | 2004-05-25 | Itt Manufacturing Enterprises, Inc. | Protected optical interface |
US7334945B2 (en) * | 2003-05-28 | 2008-02-26 | Energy Focus, Inc. | Plug-and-socket hub arrangement for mounting light pipe to receive light |
US6962445B2 (en) | 2003-09-08 | 2005-11-08 | Adc Telecommunications, Inc. | Ruggedized fiber optic connection |
DE202004020043U1 (de) * | 2004-12-22 | 2006-02-09 | CCS Technology, Inc., Wilmington | Lichtwellenleiteranschlusseinrichtung, Stecker und Steckverbindung für Lichtwellenleiter |
CN1317577C (zh) * | 2005-04-21 | 2007-05-23 | 上海大学 | 1×n塑料光纤耦合器 |
US7387447B2 (en) * | 2006-09-15 | 2008-06-17 | Corning Cable Systems Llc | Secure fiber optic connector and adapter systems |
CN100570420C (zh) * | 2006-10-19 | 2009-12-16 | 安华高科技光纤Ip(新加坡)私人有限公司 | 可堆叠多光纤连接器模块、使之对准并耦合光信号的装置 |
US7543994B2 (en) | 2006-10-19 | 2009-06-09 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | Multi-optical fiber connector module for use with a transceiver module and method for coupling optical signals between the transceiver module and multiple optical fibers |
US7572065B2 (en) | 2007-01-24 | 2009-08-11 | Adc Telecommunications, Inc. | Hardened fiber optic connector |
US7591595B2 (en) * | 2007-01-24 | 2009-09-22 | Adc Telelcommunications, Inc. | Hardened fiber optic adapter |
US7942590B2 (en) | 2007-12-11 | 2011-05-17 | Adc Telecommunications, Inc. | Hardened fiber optic connector and cable assembly with multiple configurations |
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KR100870637B1 (ko) | 2008-07-30 | 2008-11-26 | 장종호 | 현장 조립용 광섬유 일체형 광어댑터 |
CN102132182B (zh) | 2008-08-27 | 2013-10-02 | Adc电信公司 | 具有整体成型的箍圈对准结构的光纤适配器 |
JP5311570B2 (ja) * | 2009-05-26 | 2013-10-09 | 日本航空電子工業株式会社 | 光コネクタ装置及び相手側光コネクタ装置 |
EP2443497B1 (en) | 2009-06-19 | 2020-03-04 | Corning Cable Systems LLC | High density and bandwidth fiber optic apparatus |
TW201100900A (en) * | 2009-06-30 | 2011-01-01 | E Pin Optical Industry Co Ltd | Lens holder for stacked lens module and the method for manufacturing thereof |
TW201104297A (en) * | 2009-07-28 | 2011-02-01 | E Pin Optical Industry Co Ltd | Lens holder with alignment for stacked lens module and the manufacturing method thereof |
US8864390B2 (en) * | 2009-08-21 | 2014-10-21 | Molex Incorporated | Optical fiber connector |
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US20110052133A1 (en) * | 2009-08-31 | 2011-03-03 | 3M Innovative Properties Company | Fiber organizer tray and telecommunications enclosure |
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US8038456B1 (en) | 2010-04-23 | 2011-10-18 | Leviton Manufacturing Co., Inc | Tamper prevention system having a shroud to partially cover a release mechanism |
US8517613B2 (en) * | 2010-08-13 | 2013-08-27 | Tyco Electronics Corporation | Modular optical connector apparatus and method |
US8998502B2 (en) | 2010-09-03 | 2015-04-07 | Corning Incorporated | Fiber optic connectors and ferrules and methods for using the same |
US8753022B2 (en) | 2010-11-30 | 2014-06-17 | Adc Telecommunications, Inc. | LC connector and method of assembly |
CN102565956B (zh) * | 2010-12-31 | 2014-04-30 | 深圳日海通讯技术股份有限公司 | 一种光纤插头 |
US8985867B2 (en) | 2011-09-07 | 2015-03-24 | Adc Telecommunications, Inc. | Optical fiber connection system |
US8985864B2 (en) | 2011-09-07 | 2015-03-24 | Adc Telecommunications, Inc. | Optical fiber alignment device and method |
EP2753962A4 (en) * | 2011-09-07 | 2015-08-19 | Adc Telecommunications Inc | FIBER OPTIC CONNECTION SYSTEM |
US8979395B2 (en) | 2011-09-07 | 2015-03-17 | Adc Telecommunications, Inc. | Tools and methods for preparing a ferrule-less optical fiber connector |
JP2015500516A (ja) * | 2011-12-15 | 2015-01-05 | 矢崎総業株式会社 | 光コネクタ |
JP2014038303A (ja) * | 2012-07-19 | 2014-02-27 | Yazaki Corp | 光コネクタ、及び嵌合ユニット |
US9146362B2 (en) | 2012-09-21 | 2015-09-29 | Adc Telecommunications, Inc. | Insertion and removal tool for a fiber optic ferrule alignment sleeve |
US9532608B2 (en) * | 2013-01-31 | 2017-01-03 | Tyco Electronics Corporation | Electrical connector |
CN104035162B (zh) * | 2013-03-08 | 2015-11-11 | 东侑光电股份有限公司 | 光纤适配器 |
US10326229B2 (en) * | 2013-03-15 | 2019-06-18 | Knxid, Llc | Termination identification device and system |
US9417407B2 (en) | 2013-05-09 | 2016-08-16 | Cotsworks, Llc | Separable locking fiber optic connector |
CN104216056B (zh) * | 2013-06-03 | 2016-08-10 | 深圳日海通讯技术股份有限公司 | 一种光纤连接器插头及多芯光纤连接器 |
ES2700963T3 (es) | 2013-06-27 | 2019-02-20 | CommScope Connectivity Belgium BVBA | Dispositivo de anclaje para cable de fibra óptica para uso con conectores de fibra óptica y métodos de uso del mismo |
CN103869434A (zh) * | 2014-02-27 | 2014-06-18 | 河北四方通信设备有限公司 | 塑料光纤用护套的套塑工艺 |
JP5981478B2 (ja) * | 2014-04-07 | 2016-08-31 | 株式会社ユニバーサルエンターテインメント | 遊技機 |
CN104020530B (zh) * | 2014-05-30 | 2016-05-11 | 浙江一舟电子科技股份有限公司 | 一种光纤耦合器 |
JP2018518704A (ja) | 2015-05-15 | 2018-07-12 | エーディーシー テレコミュニケーションズ(シャンハイ)ディストリビューション カンパニー リミテッド | アラインメントスリーブアセンブリ及び光ファイバーアダプター |
JP2017012524A (ja) * | 2015-07-02 | 2017-01-19 | 株式会社ユニバーサルエンターテインメント | 遊技機 |
US9989709B2 (en) | 2016-05-23 | 2018-06-05 | The Boeing Company | Method for polishing end faces of plastic optical fiber |
JP2017070833A (ja) * | 2017-01-24 | 2017-04-13 | 株式会社ユニバーサルエンターテインメント | 遊技機 |
CN107884880B (zh) * | 2017-11-30 | 2023-12-29 | 上海方奥通信技术有限公司 | 光纤连接器组件及其光纤对接方法 |
US11937776B2 (en) | 2018-06-28 | 2024-03-26 | Intuitive Surgical Operations, Inc. | Adapter for a multi-stage console connector |
US10495821B1 (en) * | 2018-07-26 | 2019-12-03 | The Boeing Company | Epoxy-free plastic optical fiber splice design and fabrication process |
US11467348B2 (en) * | 2018-08-29 | 2022-10-11 | Commscope Technologies Llc | Fiber optic connectors, fiber optic adapters and related fiber optic connection systems |
US11079554B1 (en) | 2020-02-26 | 2021-08-03 | The Boeing Company | Process for polishing end face of gigabit plastic optical fiber |
CN111805917A (zh) * | 2020-07-17 | 2020-10-23 | 深圳市普莱斯科技有限公司 | 一种弹性好且轻薄的镜腿的制作工艺 |
CN112454803A (zh) * | 2020-10-26 | 2021-03-09 | 昆山家锐电子科技有限公司 | 一种光纤连接头的加工工艺 |
CN112505839B (zh) * | 2020-12-08 | 2022-05-03 | 武汉邮埃服光电科技有限公司 | 一种光纤连接组件 |
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JPS5834404A (ja) * | 1981-08-25 | 1983-02-28 | Sumitomo Electric Ind Ltd | プラスチツク光フアイバ |
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-
1997
- 1997-12-22 US US08/995,643 patent/US5923805A/en not_active Expired - Lifetime
-
1998
- 1998-12-01 CA CA002254709A patent/CA2254709C/en not_active Expired - Fee Related
- 1998-12-08 DE DE69802496T patent/DE69802496T2/de not_active Expired - Lifetime
- 1998-12-08 EP EP98310066A patent/EP0928978B1/en not_active Expired - Lifetime
- 1998-12-21 JP JP36260598A patent/JP3545957B2/ja not_active Expired - Lifetime
- 1998-12-22 CN CN98126012A patent/CN1132036C/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100399087C (zh) * | 2004-11-29 | 2008-07-02 | 日本航空电子工业株式会社 | 用于紧密地将光学连接器连接到光缆的装置 |
CN101587211B (zh) * | 2008-05-23 | 2012-03-28 | 哈廷电子有限公司及两合公司 | 用于光波导套管的外壳 |
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US5923805A (en) | 1999-07-13 |
CA2254709C (en) | 2003-06-10 |
EP0928978A1 (en) | 1999-07-14 |
DE69802496T2 (de) | 2002-06-27 |
JP3545957B2 (ja) | 2004-07-21 |
EP0928978B1 (en) | 2001-11-14 |
JPH11242134A (ja) | 1999-09-07 |
CA2254709A1 (en) | 1999-06-22 |
CN1221117A (zh) | 1999-06-30 |
DE69802496D1 (de) | 2001-12-20 |
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