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1. 发明授权

US06431783B1 Optical fiber connecting structure and connecting member for connecting an optical fiber cable to a ferrule 失效
公开(公告)号：US06431783B1
公开(公告)日：2002-08-13
申请号：US09031482
申请日：1998-02-26
申请人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
发明人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
IPC分类号： H01R905
摘要： An optical fiber connector for connecting an optical fiber cable to a ferrule comprises a tubular body having a first end portion for connection to a peripheral surface of a ferrule, a second end portion for connection to a peripheral surface of an optical fiber cable, a step portion interconnecting the first end portion to the second end portion, and a clamping portion for clamping the optical fiber cable to the ferrule. The clamping portion extends inwardly from a terminal end of the second end portion towards the central axis of the tubular body but does not project lengthwise from the terminal end of the second end portion in the direction of the central axis. The first end portion, the second end portion, the step portion and the clamping portion of the tubular body have approximately the same wall thickness.

2. 发明授权

US5889909A Ferrule for optical connector 失效
标题翻译：光纤连接器套圈
公开(公告)号：US5889909A
公开(公告)日：1999-03-30
申请号：US839917
申请日：1997-04-21
申请人： Junji Taira , Masahiro Nakajima , Kouji Minami , Hiroyuki Tokita , Tatsuo Koshigoe , Nobuo Suzuki
发明人： Junji Taira , Masahiro Nakajima , Kouji Minami , Hiroyuki Tokita , Tatsuo Koshigoe , Nobuo Suzuki
IPC分类号： G02B6/36 , G02B6/38
CPC分类号： G02B6/3835 , G02B6/3855
摘要： A ferrule for optical connectors which is of funnel type comprising a ferrule body, containing a small-diameter hole and a large-diameter hole having a larger diameter than the small-diameter hole, the small-diameter hole and the large-diameter hole being formed so as to allow an optical fiber to pass therethrough and communicate with each other, the ferrule further comprising a buffering hole having a diameter which is larger than that of the small-diameter hole but smaller than that of the large-diameter hole, the buffering hole being formed between the small-diameter hole and the large-diameter hole and containing groove of concave and convex pattern on the internal surface of the buffering hole. The ferrule body further contains three lines of protrusions extending along the axial thereof, which are formed on the internal surface of the large-diameter hole.
摘要翻译：一种用于光学连接器的套圈，其包括具有小直径孔和直径大于小直径孔的大直径孔的套圈主体的套筒体，小直径孔和大直径孔为形成为允许光纤通过并且彼此连通，所述套圈还包括直径大于所述小直径孔的直径但小于所述大直径孔的直径的缓冲孔，所述缓冲孔形成在所述小直径孔和所述大直径孔之间并且在所述缓冲孔的内表面上具有凹凸图案的容纳槽。套圈主体还包括沿着其轴向延伸的三条突起，其形成在大直径孔的内表面上。

3. 发明授权

US06224270B1 Universal optical fiber connectors and basic plugs thereof 失效
标题翻译：通用光纤连接器及其基本插头
公开(公告)号：US06224270B1
公开(公告)日：2001-05-01
申请号：US09383654
申请日：1999-08-26
申请人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
发明人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
IPC分类号： G02B638
CPC分类号： G02B6/3831 , G02B6/3821 , G02B6/3851 , G02B6/3866 , G02B6/3869 , G02B6/3887 , G02B6/3891 , G02B6/3893 , G02B6/3894
摘要： A universal optical fiber connector comprises a ferrule for supporting an optical fiber and having an axis extending in an axial direction of the ferrule, a biasing member comprised of a synthetic elastic material for biasing the ferrule in the axial direction, and a securing member for securing the biasing member between the securing member and the ferrule. A connecting member is adapted to receive the ferrule for connection to another ferrule through the connecting member.
摘要翻译：通用光纤连接器包括用于支撑光纤并且具有在套圈的轴向方向上延伸的轴线的套圈;由用于沿轴向偏置套圈的合成弹性材料构成的偏置构件，以及用于固定所述偏置构件在所述固定构件和所述套圈之间。连接构件适于容纳用于通过连接构件连接到另一套圈的套圈。

4. 发明授权

US6151432A Universal optical fiber connectors and basic plugs thereof 失效
标题翻译：通用光纤连接器及其基本插头
公开(公告)号：US6151432A
公开(公告)日：2000-11-21
申请号：US891901
申请日：1997-07-14
申请人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
发明人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
IPC分类号： G02B6/36 , G02B6/38
CPC分类号： G02B6/3831 , G02B6/3869 , G02B6/3821 , G02B6/3851 , G02B6/3866 , G02B6/3887 , G02B6/3891 , G02B6/3893 , G02B6/3894
摘要： Universal optical fiber connectors and their basic plugs, wherein the optical fiber connectors have some common elements for their connector-functions to permit an installation of optical fiber into one of the different type connectors for establishing their connection more easily and to facilitate a tuning operation with positioning key maintaining the same direction between eccentricity of the fiber core and the key. The basic plug has a ferrule, a spring element, and a cylindrical tube. The spring element is positioned between a ferrule and a cylindrical tube, so that it exerts forces toward them in an axial direction. The ferrule has a common dimensional structure for securing an optical fiber and has a shape enabling the connection to any one of various kinds of housing members. Thus, the basic plug connects separate optical fibers together through the housing member.
摘要翻译：通用光纤连接器及其基本插头，其中光纤连接器具有用于其连接器功能的一些共同的元件，以允许将光纤安装到不同类型连接器之一中，以便更容易地建立连接，并且便于利用定位键在光纤芯的偏心距和键之间保持相同的方向。基本插头具有套圈，弹簧元件和圆柱形管。弹簧元件位于套圈和圆柱形管之间，使得其沿轴向方向施加力。套管具有用于固定光纤的普通尺寸结构，并且具有能够连接到各种类型的壳体构件中的任何一种的形状。因此，基本插头通过壳体部件将分离的光纤连接在一起。

5. 发明授权

US06533468B2 Universal optical fiber connectors and basic plugs thereof 失效
标题翻译：通用光纤连接器及其基本插头
公开(公告)号：US06533468B2
公开(公告)日：2003-03-18
申请号：US09778463
申请日：2001-02-07
申请人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
发明人： Masahiro Nakajima , Hiroyuki Tokita , Junji Taira , Kouji Minami , Tatsuo Koshigoe , Nobuo Suzuki
IPC分类号： G02B636
CPC分类号： G02B6/3831 , G02B6/3821 , G02B6/3851 , G02B6/3866 , G02B6/3869 , G02B6/3887 , G02B6/3891 , G02B6/3893 , G02B6/3894
摘要： An optical fiber connector assembly has a holding member and a housing having a cavity for receiving the holding member. The holding member has a first surface, a second surface, grooves formed in the first surface for holding respective ferrules each supporting an optical fiber element, and through-holes for respectively receiving therethrough the optical fiber elements and for communicating the grooves with the second surface. The housing has a base surface, through-holes extending through the base surface, and side surfaces defining with the base surface a cavity for receiving the holding member so that the through-holes of the holding member are communicated with the through-holes of the housing for receiving therethrough the optical fiber elements.
摘要翻译：光纤连接器组件具有保持构件和具有用于容纳保持构件的空腔的壳体。保持构件具有第一表面，第二表面，形成在第一表面中的用于保持各自支撑光纤元件的套圈的槽，以及用于分别容纳光纤元件的通孔和用于使槽与第二表面连通的通孔。壳体具有基面，穿过基座表面的通孔和用基面限定的侧表面，用于容纳保持构件的空腔，使得保持构件的通孔与通孔的通孔相连通用于接收光纤元件的外壳。

6. 发明授权

US06419401B1 Optical connector ferrule 失效
标题翻译：光连接器套圈
公开(公告)号：US06419401B1
公开(公告)日：2002-07-16
申请号：US09214693
申请日：1999-04-23
申请人： Junji Taira , Masahiro Nakajima , Kouji Minami , Hiroyuki Tokita , Tatsuo Koshigoe , Nobuo Suzuki
发明人： Junji Taira , Masahiro Nakajima , Kouji Minami , Hiroyuki Tokita , Tatsuo Koshigoe , Nobuo Suzuki
IPC分类号： G02B638
CPC分类号： G02B6/3874 , G02B6/381 , G02B6/3833 , G02B6/3867
摘要： A ferrule for use in an optical connector enabling effective suppression of the increase in the insertion loss resulting from repeated attachments/detachments of the optical connector. In the ferrule for use in the optical connector, a plurality of grooves 17 are formed in a fitting surface 16A of a ferrule main body 11 located between the ferrule main body 11 and a connection sleeve SL. And, a ferrule 2 for use in an optical connector, a plurality of concentric annular grooves 27 are formed in a connection end surface 24 of the ferrule main body 21 having a connection end 22A of the optical fiber 22 exposed thereon.
摘要翻译：一种用于光学连接器的套圈，能够有效地抑制由于光连接器的重复附着/拆卸引起的插入损耗的增加。在用于光连接器的套圈中，多个槽17形成在位于套圈主体11和连接套筒SL之间的套圈主体11的装配表面16A中。并且，在光连接器中使用的套圈2，在具有露出于其上的光纤22的连接端22A的套圈主体21的连接端面24中形成有多个同心环状槽27。

7. 发明授权

US6110013A End-face polishing and cleaning apparatus 失效
标题翻译：端面抛光和清洁设备
公开(公告)号：US6110013A
公开(公告)日：2000-08-29
申请号：US145709
申请日：1998-09-02
申请人： Kouji Minami , Hisayuki Hirayama , Muneo Kawasaki , Tomohiro Yoshikawa , Junji Taira , Hiroyuki Tokita
发明人： Kouji Minami , Hisayuki Hirayama , Muneo Kawasaki , Tomohiro Yoshikawa , Junji Taira , Hiroyuki Tokita
IPC分类号： G02B6/36 , B08B1/04 , B08B11/00 , B24B19/00 , B24B1/00
CPC分类号： B24B41/06 , B24B37/04
摘要： An end-face polishing and cleaning apparatus comprises at least one jig plate for supporting ferrules each fixed to an end of a respective optical fiber. At least one set of a polishing machine and a cleaning machine is provided for polishing and cleaning the end-faces of the ferrules while the ferrules are supported by the jig plate. A movable mounting device supports the jig plate and moves the jig plate between the polishing machine and the cleaning machine to polish and clean the end-faces of the ferrules. The movable mounting device has a holding member for supporting the jig plate, an elevation shaft for moving the holding member in a vertical direction, and a moving device for moving the holding member in a horizontal direction.
摘要翻译：端面抛光和清洁装置包括至少一个用于支撑固定到相应光纤端部的套圈的夹具板。提供至少一组抛光机和清洁机，用于在套圈由夹具板支撑的同时抛光和清洁套圈的端面。可移动安装装置支撑夹具板并将夹具板移动到抛光机和清洁机之间以抛光和清洁套圈的端面。可移动安装装置具有用于支撑夹具板的保持构件，用于沿垂直方向移动保持构件的标高轴和用于沿水平方向移动保持构件的移动装置。

8. 发明授权

US06464406B1 Universal adapter 失效
标题翻译：通用适配器
公开(公告)号：US06464406B1
公开(公告)日：2002-10-15
申请号：US09526147
申请日：2000-03-15
申请人： Mitsuo Yarita , Masahiro Nakajima , Hiroyuki Tokita , Junji Taira
发明人： Mitsuo Yarita , Masahiro Nakajima , Hiroyuki Tokita , Junji Taira
IPC分类号： G02B638
CPC分类号： G02B6/3825
摘要： A universal optical connector adapter that can be used to connect optical connector plugs of the same or different types having ferrules fixed at ends of optical fibers. The universal adapter has first and second housings each having at one end a coupling portion for detachably coupling with an optical connector plug of a given type and on an opposite end a base plate having a reference plane. A cylindrical coupling member is rotatably held inward of the coupling portion of the first housing and incorporates a sleeve for fitting ferrules into opposite sides thereof. A male thread is provided on an outer periphery of the coupling cylindrical member and a female thread is provided in the coupling portion of the second housing on a side opposite to that in which an optical connector plug is coupled. The female thread is removably couplable with the male thread. The first and second housings can be coupled together so that the reference planes are closely contacted and the male thread and female thread are removable.
摘要翻译：一种通用光学连接器适配器，可用于连接相同或不同类型的光纤连接器插头，其具有固定在光纤端部的套圈。通用适配器具有第一和第二壳体，每个壳体的一端具有用于与给定类型的光学连接器插头可拆卸地联接的连接部分，并且在相对端部具有参考平面的基板。圆柱形联接构件可旋转地保持在第一壳体的联接部分的内侧，并且包括用于将套圈配合到其相对侧中的套筒。外螺纹设置在联接圆柱形构件的外周上，并且阴螺纹设置在第二壳体的联接部分的与光连接器插头连接的相反侧的一侧。内螺纹与外螺纹可拆卸地连接。第一和第二壳体可以联接在一起，使得参考平面紧密接触并且外螺纹和阴螺纹是可移除的。

9. 发明授权

US06449409B1 End-face lapping apparatus and method of lapping 失效
标题翻译：端面研磨装置和研磨方法
公开(公告)号：US06449409B1
公开(公告)日：2002-09-10
申请号：US09035480
申请日：1998-03-05
申请人： Kouji Minami , Hiroyuki Tokita , Nobuo Suzuki , Muneo Kawasaki
发明人： Kouji Minami , Hiroyuki Tokita , Nobuo Suzuki , Muneo Kawasaki
IPC分类号： G02B626
CPC分类号： B24B19/226 , B24B41/06
摘要： An end-face lapping apparatus, comprises a rod member W supported on an apparatus main body by a support mechanism through a fixing jig board. A lapping board has a lapping member for lapping the rod member and is rotatably swingably supported on the apparatus main body by a drive mechanism. The drive mechanism causes the lapping board to rotate about a first rotating center and at the same time swivel rotating center about a second rotating center to thereby carry out lapping while urging the rod member W fitted in the fixing jig board against the lapping member of the rotatably swinging lapping board by the support mechanism. The end-face lapping apparatus has a relative position shift device for shifting the relative position of the lapping board and the fixing jig board. The rod member W is lapped at a different portion of the lapping member each time the relative position shift device shifts the relative position of the lapping board.
摘要翻译：一种端面研磨装置，包括通过固定夹具板由支撑机构支撑在装置主体上的杆构件W. 研磨板具有用于研磨杆构件的研磨构件，并且通过驱动机构可旋转地支撑在设备主体上。驱动机构使得研磨板围绕第一旋转中心旋转，并且同时使旋转中心绕第二旋转中心旋转，从而进行研磨，同时将装配在固定夹具板中的杆构件W推压到固定夹具板的研磨构件通过支撑机构可旋转地摆动研磨板。端面研磨装置具有用于移动研磨板和固定夹具板的相对位置的相对位置偏移装置。每当相对位置偏移装置移动研磨板的相对位置时，杆构件W在研磨构件的不同部分上重叠。

10. 发明授权

US5961374A Method and apparatus of polishing end surfaces of rod-shaped members 失效
标题翻译：棒状构件的端面抛光方法和装置
公开(公告)号：US5961374A
公开(公告)日：1999-10-05
申请号：US905112
申请日：1997-08-01
申请人： Kouji Minami , Hiroyuki Tokita , Muneo Kawasaki , Nobuo Suzuki
发明人： Kouji Minami , Hiroyuki Tokita , Muneo Kawasaki , Nobuo Suzuki
IPC分类号： G02B6/00 , B24B19/00 , B24B19/22 , B24B1/00
CPC分类号： B24B19/226
摘要： A polishing apparatus comprises a holder having rod-shaped members each having an end portion to be polished. The rod-shaped members are positioned on the holder so that respective distances between the rod-shaped members and a center of the holder are different from one another. When relative motion is effected between the holder and the polishing member while maintaining distances between a center of the polishing member and the respective rod-shaped members different from one another and while pressing the respective end portions of the rod-shaped members against the polishing member, the respective end portions of the rod-shaped members are polished.
摘要翻译：抛光装置包括具有棒状构件的保持器，每个具有待抛光的端部。杆状构件定位在保持器上，使得杆状构件与保持器的中心之间的相应距离彼此不同。当在保持器和抛光构件之间进行相对运动时，同时保持抛光构件的中心和相应的杆状构件之间的距离彼此不同，同时将杆状构件的各个端部压靠在抛光构件上对棒状构件的各端部进行研磨。

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