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1. 发明申请

US20200132941A1 OPTICAL CONNECTOR 审中-公开
公开(公告)号：US20200132941A1
公开(公告)日：2020-04-30
申请号：US16580330
申请日：2019-09-24
申请人： Steve Cheng , SUMITOMO ELECTRIC INDUSTRIES, LTD. , Japan Communication Accessories Manufacturing Co., Ltd.
发明人： Kenichiro OTSUKA , Motoyoshi KIMURA , Masaki OMURA , Steve CHENG
IPC分类号： G02B6/38 , G02B6/36
摘要： An optical connector is disclosed. The optical connector includes a rear housing, an inner housing, an arm and an outer housing. The inner housing includes at least one retaining hole to house a ferrule. The rear housing moves linearly and rotates with respect to the inner housing. The arm moves linearly together with the rear housing with respect to the inner housing. The outer housing disposed on an outer periphery of the inner housing covers a front portion of the inner housing. The outer housing rotates with respect to the inner housing by a rotation guiding mechanism cooperating with the arm. The outer housing includes a forward wall covering the distal end of the inner housing. An opening area of the forward wall can be aligned with the retaining hole of the ferrule when the outer housing is rotated from an initial position to a connected position.

2. 发明申请

US20210231884A1 OPTICAL CONNECTOR 有权
公开(公告)号：US20210231884A1
公开(公告)日：2021-07-29
申请号：US16775421
申请日：2020-01-29
申请人： Steve Cheng , SUMITOMO ELECTRIC INDUSTRIES, LTD. , Japan Communication Accessories Manufacturing Co., Ltd.
发明人： Kenichiro OTSUKA , Motoyoshi KIMURA , Masaki OMURA , Steve CHENG
IPC分类号： G02B6/38
摘要： An optical connector is disclosed. The optical connector includes a rear housing, an inner housing, and an outer housing. The inner housing includes a retaining hole to accommodate a ferrule. The outer housing is disposed on an outer periphery of the inner housing to cover a front portion of the inner housing. The outer housing rotates about the central axis with respect to the inner housing by a rotation guiding mechanism cooperating with an adapter for connecting the optical connector to another optical connector. The outer housing includes a front wall covering the distal end of the inner housing. The front wall includes at least one opening region. The opening region corresponds to a fiber exposed surface of the ferrule when the outer housing is rotated with respect to the inner housing from an initial position to a connected position by the rotation guiding mechanism.

3. 发明公开

US20240027696A1 OPTICAL CONNECTION STRUCTURE, OPTICAL CONNECTOR, AND OPTICAL CONNECTING METHOD 审中-公开
公开(公告)号：US20240027696A1
公开(公告)日：2024-01-25
申请号：US18376231
申请日：2023-10-03
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD. , JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD. , SUMITOMO ELECTRIC LIGHTWAVE CORP.
发明人： Masaki OMURA , Motoyoshi KIMURA , Takayuki YOKOCHI , Shunichi WATANABE , Junji FUKUI , Yasuyuki MAEKAWA , Takayuki SHIMAZU , Takashi KONDO , Kenichiro OTSUKA
IPC分类号： G02B6/38
CPC分类号： G02B6/3885 , G02B6/3847 , G02B6/3882
摘要： An optical connection structure including first optical fibers, second optical fibers, a first optical connector, and a second optical connector is disclosed. The first optical connector is configured such that each of first distal end portions of the first optical fibers protrudes from a first front end surface to the outside when the first optical connector and the second optical connector are connected to each other. Each of the first distal end portions is inserted into a corresponding second fiber hole of the second optical connector. The second optical connector is configured such that each of second distal end portions of the second optical fibers is moved rearward inside second fiber holes due to each of the first distal end portions respectively inserted into the second fiber holes. The first optical fibers and the second optical fibers are optically coupled to each other inside the second fiber holes.

4. 发明申请

US20230125413A1 OPTICAL CONNECTION STRUCTURE, OPTICAL CONNECTOR, AND OPTICAL CONNECTING METHOD 有权
公开(公告)号：US20230125413A1
公开(公告)日：2023-04-27
申请号：US17511086
申请日：2021-10-26
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD. , JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD. , SUMITOMO ELECTRIC LIGHTWAVE CORP.
发明人： Masaki OMURA , Motoyoshi KIMURA , Takayuki YOKOCHI , Shunichi WATANABE , Junji FUKUI , Yasuyuki MAEKAWA , Takayuki SHIMAZU , Takashi KONDO , Kenichiro OTSUKA
IPC分类号： G02B6/38
摘要： An optical connection structure including first optical fibers, second optical fibers, a first optical connector, and a second optical connector is disclosed. The first optical connector is configured such that each of first distal end portions of the first optical fibers protrudes from a first front end surface to the outside when the first optical connector and the second optical connector are connected to each other. Each of the first distal end portions is inserted into a corresponding second fiber hole of the second optical connector. The second optical connector is configured such that each of second distal end portions of the second optical fibers is moved rearward inside second fiber holes due to each of the first distal end portions respectively inserted into the second fiber holes. The first optical fibers and the second optical fibers are optically coupled to each other inside the second fiber holes.

5. 发明申请

US20210215889A1 ELASTIC MEMBER AND OPTICAL CONNECTOR 有权
公开(公告)号：US20210215889A1
公开(公告)日：2021-07-15
申请号：US17054430
申请日：2019-05-21
申请人： JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD. , SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD. , SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Yusuke TAKAI , Tsutomu KAMADA , Motoyoshi KIMURA , Fumiya UEHARA , Masaki OMURA
IPC分类号： G02B6/38
摘要： An elastic member according to an embodiment is an elastic member that biases a ferrule retaining a plurality of optical fibers in a connecting direction. The elastic member is stored in an inner housing that accommodates the ferrule, the elastic member has a space in its inside into which a 16-fiber tape fiber is inserted, and the elastic member is in a noncircular shape in a cross section intersecting with the connecting direction. The elastic member includes a pair of first portions having an outer surface opposite to a pair of inner surfaces in an arc shape of the housing, the inner surfaces being opposite to each other along a first direction intersecting with the connecting direction and a pair of second portions opposite to the tape fiber along a second direction intersecting with both of the connecting direction and the first direction.

6. 发明申请

US20200310044A1 OPTICAL CONNECTOR FERRULE AND OPTICAL CONNECTOR 审中-公开
公开(公告)号：US20200310044A1
公开(公告)日：2020-10-01
申请号：US16826644
申请日：2020-03-23
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.
发明人： Dai SASAKI , Takayuki SHIMAZU , Hajime ARAO , Takuro WATANABE , Sho YAKABE , Motoyoshi KIMURA , Manabu IZAKI
IPC分类号： G02B6/38 , G02B6/36 , F21V8/00
摘要： An optical connector ferrule according to an embodiment includes an MT ferrule, and a spacer mounted on an optical end surface of the MT ferrule and having a guide hole into which a guide pin is inserted. The spacer has a contact surface that contacting the counterpart connector and a recess surrounded by the contact surface. The spacer includes a lens part exposed on a bottom surface of the recess and optically coupled to the optical end surface of the MT ferrule and a base part that retains the lens part by surrounding the lens part. The material of the lens part and the material of the base part are different from each other, and the difference between the linear expansion coefficient of the base part and the linear expansion coefficient of the MT ferrule is 0.5×10−5/° C. or less.

7. 发明公开

US20230324632A1 FERRULE, OPTICAL CONNECTOR, AND OPTICAL CONNECTION STRUCTURE 审中-公开
公开(公告)号：US20230324632A1
公开(公告)日：2023-10-12
申请号：US18023901
申请日：2021-09-17
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , NIPPON TSUSHIN DENZAI CO., LTD.
发明人： Sho YAKABE , Yuto FUJIHARA , Dai SASAKI , Motoyoshi KIMURA , Manabu IZAKI
IPC分类号： G02B6/40 , G02B6/38
CPC分类号： G02B6/403 , G02B6/3825 , G02B6/3834
摘要： A ferrule includes an optical fiber holding portion configured to hold a plurality of optical fibers, and a first side surface and a second side surface facing each other in a second direction intersecting a first direction in which the optical fiber holding portion extends. The first side surface is provided with a first recessed portion or a first protruding portion extending along the first direction. The second side surface is provided with a second recessed portion or a second protruding portion extending along the first direction. In this ferrule, the first recessed portion or the first protruding portion includes a first positioning portion and a second positioning portion separated from each other in the first direction.

8. 发明公开

US20230367081A1 ADAPTER AND OPTICAL CONNECTION STRUCTURE 审中-公开
公开(公告)号：US20230367081A1
公开(公告)日：2023-11-16
申请号：US18029492
申请日：2021-09-21
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , NIPPON TSUSHIN DENZAI CO., LTD.
发明人： Fumiya UEHARA , Sho YAKABE , Takako SASHIDA , Yuto FUJIHARA , Dai SASAKI , Motoyoshi KIMURA , Manabu IZAKI
IPC分类号： G02B6/38
CPC分类号： G02B6/3825 , G02B6/3821 , G02B6/3889 , G02B6/3873
摘要： An adapter includes a tubular body having a tubular shape and surrounding a pair of ferrules over half a circumference or more with a ling along a first direction as an axis. The tubular body includes a guide extending in the first direction and engaging with side surfaces of the ferrule, and a slit formed from one end to the other end in the first direction.

9. 发明申请

US20160187595A1 RECEPTACLE CONNECTOR 有权
标题翻译：接头连接器
公开(公告)号：US20160187595A1
公开(公告)日：2016-06-30
申请号：US14957753
申请日：2015-12-03
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Dai SASAKI , Osamu SHIMAKAWA , Hajime ARAO , Takuro WATANABE , Motoyoshi KIMURA
IPC分类号： G02B6/38
CPC分类号： G02B6/3885 , G02B6/32 , G02B6/3821 , G02B6/3853 , G02B6/3882 , G02B6/3893
摘要： A receptacle connector includes a receptacle ferrule, a receptacle housing and a spacer. The receptacle ferrule has a first front end portion having a receptacle interface part In the receptacle housing, the receptacle ferrule and a plug connector having a second front end portion having a plug interface part configured to be optically coupled with the receptacle interface part are to be accommodated. The spacer has a first surface configured to contact the first front end portion, and a second surface configured to contact the second front end portion. The spacer is arranged in the receptacle housing. At a state where the first front end portion is contacted to the first surface of the spacer and the second front end portion is contacted to the second surface of the spacer, the receptacle interface part and the plug interface part face each other at a predetermined interval.
摘要翻译：插座连接器包括插座套圈，插座壳体和间隔件。插座套圈具有具有插座接口部分的第一前端部分。在插座壳体中，插座套圈和插头连接器具有第二前端部分，其具有配置成与插座接口部分光耦合的插头接口部分容纳间隔件具有构造成接触第一前端部的第一表面和与第二前端部接触的第二表面。间隔件布置在插座壳体中。在第一前端部与间隔件的第一表面接触并且第二前端部与间隔件的第二表面接触的状态下，插座接口部分和插头接口部分以预定的间隔彼此面对。

10. 发明申请

US20160139342A1 ADAPTER AND OPTICAL CONNECTOR COUPLING SYSTEM 有权
标题翻译：适配器和光学连接器耦合系统
公开(公告)号：US20160139342A1
公开(公告)日：2016-05-19
申请号：US14940598
申请日：2015-11-13
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Dai SASAKI , Osamu SHIMAKAWA , Hajime ARAO , Takuro WATANABE , Motoyoshi KIMURA
IPC分类号： G02B6/38
CPC分类号： G02B6/3825 , G02B6/32 , G02B6/3853 , G02B6/3861 , G02B6/3866 , G02B6/3882 , G02B6/3885
摘要： An adapter includes an optical connector accommodation part having a first cavity in which a first optical connector having a first front end portion is to be accommodated, and a second cavity in which a second optical connector having a second front end portion is to be accommodated, and a spacer having a first surface configured to contact the first front end portion, a second surface configured to contact the second front end portion, and a light transmission part configured to enable a light beam to pass therethrough. The spacer being arranged between the first cavity and the second cavity. At a state where the first front end portion is contacted to the first surface and the second front end portion is contacted to the second surface, the first optical interface part and the second optical interface part face each other at a predetermined interval.
摘要翻译：适配器包括具有第一空腔的光学连接器容纳部分，第一腔室将容纳有具有第一前端部分的第一光学连接器，以及第二腔体，其中将容纳具有第二前端部分的第二光学连接器，以及间隔件，其具有构造成接触所述第一前端部的第一表面，被配置为接触所述第二前端部的第二表面和被配置为使得光束能够通过的光透射部。间隔件布置在第一腔和第二腔之间。在第一前端部与第一表面接触并且第二前端部与第二表面接触的状态下，第一光学界面部分和第二光学接口部分以预定的间隔相互面对。

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