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1. 发明授权

US08422838B2 Cover for covering a reflection-surface-formation recess of an optical path changing member 有权
标题翻译：覆盖光路改变部件的反射面形成凹部的盖
公开(公告)号：US08422838B2
公开(公告)日：2013-04-16
申请号：US13426219
申请日：2012-03-21
申请人： Tatsuya Ohta , Kunihiko Fujiwara , Akito Nishimura , Kenji Sasaki , Yukio Hayashi
发明人： Tatsuya Ohta , Kunihiko Fujiwara , Akito Nishimura , Kenji Sasaki , Yukio Hayashi
IPC分类号： G02B6/00 , G02B6/12 , G02B6/26 , G02B6/42
CPC分类号： G02B6/4214 , G02B6/43
摘要： An optical path changing member is assembled at ends of optical fibers and placed to face a substrate including an optical input/output terminal having optical axes inclined with respect to optical axes of the ends. The optical path changing member is made of a transparent material and includes a member body having a reflection surface for optically connecting the ends to the optical input/output terminal. The member body has optical fiber insertion holes and an end placement portion to which the insertion holes are open and in which the end faces of the optical fibers are placed. The reflection surface is formed so that light entering from the end faces of the optical fibers into the member body will be internally reflected toward the optical input/output terminal in the member body. The end placement portion is filled with an adhesive by which the ends are fixed to the member body.
摘要翻译：光路改变部件组装在光纤的端部并且被放置成面对包括具有相对于端部的光轴倾斜的光轴的光学输入/输出端子的基板。光路改变构件由透明材料制成，并且包括具有用于将端部光学地连接到光学输入/输出端子的反射表面的构件体。构件主体具有光纤插入孔和插入孔打开并且其中放置光纤的端面的端部放置部分。反射面被形成为使得从光纤的端面进入构件主体的光将朝向构件体中的光学输入/输出端子内部反射。端部放置部分填充有粘合剂，端部固定到构件主体。

2. 发明授权

US07726885B2 Optical connector having a fitting protrusion or fitting recess used for positioning 有权
标题翻译：具有用于定位的配合突起或嵌合凹部的光学连接器
公开(公告)号：US07726885B2
公开(公告)日：2010-06-01
申请号：US12259705
申请日：2008-10-28
申请人： Akito Nishimura , Kunihiko Fujiwara , Tatsuya Ohta , Kenji Sasaki , Yukio Hayashi
发明人： Akito Nishimura , Kunihiko Fujiwara , Tatsuya Ohta , Kenji Sasaki , Yukio Hayashi
IPC分类号： G02B6/36
CPC分类号： G02B6/3885 , G02B6/4214 , G02B6/4249 , G02B6/4292
摘要： An optical connector of a fitting pin positioning type includes multiple optical fiber insertion holes arranged in one row and fitting holes or fitting pins. The fitting holes or the fitting pins for positioning are respectively disposed on mutually opposite sides of a straight line connecting centers of the optical fiber insertion holes and are located point-symmetrically with respect to a center of the row of the entire optical fiber insertion holes arranged on the straight line.
摘要翻译：配合销定位型光连接器包括一列布置的多个光纤插入孔和装配孔或装配销。用于定位的装配孔或装配销分别设置在连接光纤插入孔的中心的直线的相对的相对侧上，并且相对于布置在整个光纤插入孔的整列的中心位于点对称位置在直线上

3. 发明授权

US08165432B2 Internal-reflection optical path changing member 有权
标题翻译：内反射光路改变部件
公开(公告)号：US08165432B2
公开(公告)日：2012-04-24
申请号：US12416552
申请日：2009-04-01
申请人： Tatsuya Ohta , Kunihiko Fujiwara , Akito Nishimura , Kenji Sasaki , Yukio Hayashi
发明人： Tatsuya Ohta , Kunihiko Fujiwara , Akito Nishimura , Kenji Sasaki , Yukio Hayashi
IPC分类号： G02B6/26 , G02B6/36
CPC分类号： G02B6/4214 , G02B6/43
摘要： An optical path changing member is assembled at ends of optical fibers and placed to face a substrate including an optical input/output terminal having optical axes inclined with respect to optical axes of the ends. The optical path changing member is made of a transparent material and includes a member body having a reflection surface for optically connecting the ends to the optical input/output terminal. The member body has optical fiber insertion holes and an end placement portion to which the insertion holes are open and in which the end faces of the optical fibers are placed. The reflection surface is formed so that light entering from the end faces of the optical fibers into the member body will be internally reflected toward the optical input/output terminal in the member body. The end placement portion is filled with an adhesive by which the ends are fixed to the member body.
摘要翻译：光路改变部件组装在光纤的端部并且被放置成面对包括具有相对于端部的光轴倾斜的光轴的光学输入/输出端子的基板。光路改变构件由透明材料制成，并且包括具有用于将端部光学地连接到光学输入/输出端子的反射表面的构件体。构件主体具有光纤插入孔和插入孔打开并且其中放置光纤的端面的端部放置部分。反射面被形成为使得从光纤的端面进入构件主体的光将朝向构件体中的光学输入/输出端子内部反射。端部放置部分填充有粘合剂，端部固定到构件主体。

4. 发明授权

US09063304B2 Ferrule and ferrule with optical fiber 有权
标题翻译：带光纤的套圈和套圈
公开(公告)号：US09063304B2
公开(公告)日：2015-06-23
申请号：US12878502
申请日：2010-09-09
申请人： Tatsuya Ohta , Akito Nishimura , Terutake Kobayashi , Kunihiko Fujiwara
发明人： Tatsuya Ohta , Akito Nishimura , Terutake Kobayashi , Kunihiko Fujiwara
IPC分类号： G02B6/26 , G02B6/36 , G02B6/42 , G02B6/38
CPC分类号： G02B6/4214 , G02B6/3636 , G02B6/3861 , G02B6/4206 , G02B6/4284
摘要： Provided is a ferrule which includes a positioning mechanism configured to position an optical fiber having a predetermined outer diameter, and a recess configured for an adhesive to be disposed therein and having a first inner wall from which a front end of the optical fiber portion positioned by the positioning mechanism is protrudable, and a second inner wall opposite to the first inner wall. A distance between the first inner wall and the second inner wall is less than or equal to four times the outer diameter of the optical fiber.
摘要翻译：提供一种套圈，其包括定位机构，该定位机构构造成定位具有预定外径的光纤，以及设置在其中的用于粘合剂的凹部，并且具有第一内壁，光纤部分的前端由该第一内壁定位在所述定位机构是可突出的，以及与所述第一内壁相对的第二内壁。第一内壁和第二内壁之间的距离小于或等于光纤的外径的四倍。

5. 发明授权

US08559776B2 Ferrule and ferrule with optical fiber 有权
公开(公告)号：US08559776B2
公开(公告)日：2013-10-15
申请号：US12878502
申请日：2010-09-09
申请人： Tatsuya Ohta , Akito Nishimura , Terutake Kobayashi , Kunihiko Fujiwara
发明人： Tatsuya Ohta , Akito Nishimura , Terutake Kobayashi , Kunihiko Fujiwara
IPC分类号： G02B6/26 , G02B6/36
摘要： Provided is a ferrule which includes a positioning mechanism configured to position an optical fiber having a predetermined outer diameter, and a recess configured for an adhesive to be disposed therein and having a first inner wall from which a front end of the optical fiber portion positioned by the positioning mechanism is protrudable, and a second inner wall opposite to the first inner wall. A distance between the first inner wall and the second inner wall is less than or equal to four times the outer diameter of the optical fiber.

6. 发明申请

US20060245695A1 Multifiber optical connector 有权
标题翻译：多光纤连接器
公开(公告)号：US20060245695A1
公开(公告)日：2006-11-02
申请号：US11478595
申请日：2006-07-03
申请人： Kunihiko Fujiwara , Tatsuya Ohta , Seiji Katoh
发明人： Kunihiko Fujiwara , Tatsuya Ohta , Seiji Katoh
IPC分类号： G02B6/38
CPC分类号： G02B6/3885 , G02B6/3863
摘要： A multifiber optical connector is provided comprising: a ferrule including a junction-end-face and a plurality of optical-fiber-insertion holes which open in the junction-end-face; openings of the optical-fiber-insertion holes arranged on the junction-end-face in a line or row or in plural parallel lines or rows; and optical fibers received in the optical-fiber-insertion holes such that they protrude from the junction-end-face. The lengths of optical fibers disposed on both side portions of the junction-end-face are greater than the lengths of optical fibers disposed on a central portion of the junction-end-face.
摘要翻译：提供了一种多光纤光连接器，包括：一个套圈，包括一个接合端面和多个在接合端面上开口的光纤插入孔; 布置在连接端面上的光纤插入孔的开口，线或行或多个平行的行或行; 并且光纤插入孔中容纳的光纤使得它们从接合端面突出。配置在结端面的两侧部分上的光纤的长度大于设置在接合端面的中心部分的光纤的长度。

7. 发明授权

US07431514B2 Multifiber optical connector 有权
标题翻译：多光纤连接器
公开(公告)号：US07431514B2
公开(公告)日：2008-10-07
申请号：US11478595
申请日：2006-07-03
申请人： Kunihiko Fujiwara , Tatsuya Ohta , Seiji Katoh
发明人： Kunihiko Fujiwara , Tatsuya Ohta , Seiji Katoh
IPC分类号： G02B6/38
CPC分类号： G02B6/3885 , G02B6/3863
摘要： A multifiber optical connector is provided comprising: a ferrule including a junction-end-face and a plurality of optical-fiber-insertion holes which open in the junction-end-face; openings of the optical-fiber-insertion holes arranged on the junction-end-face in a line or row or in plural parallel lines or rows; and optical fibers received in the optical-fiber-insertion holes such that they protrude from the junction-end-face. The lengths of optical fibers disposed on both side portions of the junction-end-face are greater than the lengths of optical fibers disposed on a central portion of the junction-end-face.
摘要翻译：提供了一种多光纤光连接器，包括：一个套圈，包括一个接合端面和多个在接合端面上开口的光纤插入孔; 布置在连接端面上的光纤插入孔的开口，线或行或多个平行的行或行; 并且光纤插入孔中容纳的光纤使得它们从接合端面突出。配置在结端面的两侧部分上的光纤的长度大于设置在接合端面的中心部分的光纤的长度。

8. 发明授权

US08272788B2 Optical-path turning device 有权
标题翻译：光路转动装置
公开(公告)号：US08272788B2
公开(公告)日：2012-09-25
申请号：US12600943
申请日：2007-05-22
申请人： Tatsuya Ohta
发明人： Tatsuya Ohta
IPC分类号： G02B6/38 , G02B6/26 , G02B6/42
CPC分类号： G02B6/381 , G02B6/3644 , G02B6/3668 , G02B6/3696 , G02B6/3829 , G02B6/3878 , G02B6/3883 , G02B6/3885
摘要： An optical-path turning device is interposed between paired first and second optical components of pin-fitting alignment system that have their optical paths mutually different in direction, for an optic coupling between the optical components, and has a device body 16 of a block shape. The device body 16 includes a first connector portion 11 that has a set of fitting pinholes 11a oriented in correspondence to a set of fitting pinholes of the first optical component, and a connection end face 11b butt-connected with a connection end face of the first optical component, and a second connector portion 12 that has a set of fitting pinholes 12a oriented in correspondence to a set of fitting pinholes of the second optical component, and a connection end face 12b butt-connected with a connection end face of the second optical component, and further includes a set of optical fibers (as optical waveguides) 14 extending from the connection end face 11b of the first connector portion 11 through a flexural portion 14b to the connection end face 12b of the second connector portion 12.
摘要翻译：光路转动装置被插入在插入对准系统的成对的第一和第二光学部件之间，其光路在光学部件之间的光耦合方向上具有彼此不同的光路，并且具有块形状的器件主体16 。装置主体16包括：第一连接器部分11，其具有与第一光学部件的一组装配针孔相对应的取向的一组装配针孔11a;以及与第一光学部件的连接端面对接的连接端面11b 光学部件和第二连接器部分12，其具有与第二光学部件的一组配合针孔对应地定向的一组装配针孔12a以及与第二光学部件的连接端面对接的连接端面12b 并且还包括从第一连接器部分11的连接端面11b通过弯曲部分14b延伸到第二连接器部分12的连接端面12b的一组光纤（作为光波导）14。

9. 发明申请

US20110262079A1 OPTICAL FERRULE, OPTICAL FERRULE MOLDING DIE, MANUFACTURING METHOD OF OPTICAL FERRULE, AND FERRULE WITH OPTICAL FIBER 有权
标题翻译：光学镜片，光纤模具，光纤制造方法及光纤光纤
公开(公告)号：US20110262079A1
公开(公告)日：2011-10-27
申请号：US13141867
申请日：2009-12-21
申请人： Seiji Kato , Tatsuya Ohta
发明人： Seiji Kato , Tatsuya Ohta
IPC分类号： G02B6/36 , B29C45/00
CPC分类号： G02B6/3865 , B29C45/0025 , B29C45/2628 , B29C45/40 , B29C2045/0036 , B29D11/0075 , G02B6/3882 , G02B6/3885
摘要： An optical ferrule that holds an optical fiber, the optical ferrule having an ejector pin mark formed by an ejector pin during molding, the optical ferrule includes a ferrule body, ferrule body having an optical fiber insertion opening to be inserted with the optical fiber, optical fiber hole from which a tip end of the optical fiber is to be exposed, and a lower surface of the ferrule body that is to be a reference plane, lower surface of the ferrule body including a recessed section, ejector pin mark being located on a bottom surface of the recessed section, side surface of the recessed section being formed higher than a molding burr of the ejector pin mark.
摘要翻译：一种保持光纤的光学套圈，该光学套圈在成型期间具有由顶针形成的顶针标记，该光学套圈包括套圈本体，具有插入光纤的光纤插入口的套圈体，光纤要从其中露出光纤的前端的光纤孔和作为基准面的套圈主体的下表面，套圈本体的下表面包括凹部，顶针标记位于凹部的底面，凹部的侧面形成为比顶针标记的成形毛刺高。

10. 发明申请

US20100158446A1 OPTICAL-PATH TURNING DEVICE 有权
标题翻译：光路转动装置
公开(公告)号：US20100158446A1
公开(公告)日：2010-06-24
申请号：US12600943
申请日：2007-05-22
申请人： Tatsuya Ohta
发明人： Tatsuya Ohta
IPC分类号： G02B6/38
CPC分类号： G02B6/381 , G02B6/3644 , G02B6/3668 , G02B6/3696 , G02B6/3829 , G02B6/3878 , G02B6/3883 , G02B6/3885
摘要： An optical-path turning device is interposed between paired first and second optical components of pin-fitting alignment system that have their optical paths mutually different in direction, for an optic coupling between the optical components, and has a device body 16 of a block shape. The device body 16 includes a first connector portion 11 that has a set of fitting pinholes 11a oriented in correspondence to a set of fitting pinholes of the first optical component, and a connection end face 11b butt-connected with a connection end face of the first optical component, and a second connector portion 12 that has a set of fitting pinholes 12a oriented in correspondence to a set of fitting pinholes of the second optical component, and a connection end face 12b butt-connected with a connection end face of the second optical component, and further includes a set of optical fibers (as optical waveguides) 14 extending from the connection end face 11b of the first connector portion 11 through a flexural portion 14b to the connection end face 12b of the second connector portion 12.
摘要翻译：光路转动装置被插入在插入对准系统的成对的第一和第二光学部件之间，其光路在光学部件之间的光耦合方向上具有彼此不同的光路，并且具有块形状的器件主体16 。装置主体16包括：第一连接器部分11，其具有与第一光学部件的一组装配针孔相对应的取向的一组装配针孔11a;以及与第一光学部件的连接端面对接的连接端面11b 光学部件和第二连接器部分12，其具有与第二光学部件的一组配合针孔对应地定向的一组装配针孔12a以及与第二光学部件的连接端面对接的连接端面12b 并且还包括从第一连接器部分11的连接端面11b通过弯曲部分14b延伸到第二连接器部分12的连接端面12b的一组光纤（作为光波导）14。

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