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1. 发明专利

JPS6123102A Operating mechanism for butting plate for optical fiber welding connection 失效
标题翻译：用于光纤焊接连接的平板的操作机构
公开(公告)号：JPS6123102A
公开(公告)日：1986-01-31
申请号：JP14497684
申请日：1984-07-12
申请人： Fujikura Ltd , Furukawa Electric Co Ltd:The , Nippon Telegr & Teleph Corp , Sumitomo Electric Ind Ltd
发明人： MINAMIDA ISAO , UEMATSU YUUJI , KATOU YASUYUKI , USUI YUUICHI , KAKII TOSHIAKI , YAMADA TAKESHI , OOSATO KAZUKUNI
IPC分类号： G02B6/24 , G02B6/36
摘要： PURPOSE:To utilize one kind of mechanism for two kinds of operation and to evade a component breakage accident by allowing a butting plate to penetrate the matching liquid coating hole of a matching liquid supplier vertically and providing a descent position adjusting means for the butting plate to a butting plate moving device, and combining it with the butting plate mutually. CONSTITUTION:When the end surface gap between optical fibers F1 and F2 is set, a cam 13 is rotated by a motor 12 in a specific direction to elevate the butting plate 3 through the cam 13 until its 1st front end part 3a moves to the butting position of an optical fiber end surface, which is allowed to but on the front end part 3a. In this case, when the optical fiber end surface is coated with matching liquid L, the projection piece 3d of the butting plate 3 is brought into contact with the cam surface 14 of the cam 13 at a point P1 as shown in a figure, and then the slit 9 at the 1st front end part 3a of the butting plate 3 is fitted in the matching liquid coating hole 6 of the matching liquid supplier 4 to stick the matching liquid L on the 1st front end part 3a through the slit 9 by a specific amount. On the other hand, when the end surface gap is set without applying the matching liquid L to the optical fiber end surface, the projection pieces 3d of the butting plate 3 is brought into contact with the cam surface 14 of the cam 13 at a point P2 as shown in a figure (a) and the slit 9 at the 1st front end part 3d is fitted in the matching liquid coating hole 6, so that the matching liquid L does not stick on the 1st front end part 3a of the butting plate 3.
摘要翻译：目的：利用一种机制进行两种操作，并通过允许对接板垂直穿过匹配液体供应器的匹配液体涂层孔来避免部件破损事故，并提供对接板的下降位置调整装置对接板移动装置，并将其与对接板相互组合。构成：当光纤F1和F2之间的端面间隙被设定时，凸轮13通过马达12沿特定方向旋转，以通过凸轮13升高对接板3，直到其第一前端部分3a移动到对接位于前端部3a的光纤端面的位置。在这种情况下，当光纤端面涂覆有匹配的液体L时，如图所示，对接板3的突出片3d与凸轮13的凸轮表面14接触，如图所示，然后将对接板3的第一前端部分3a处的狭缝9装配在匹配液体供应器4的匹配液体涂覆孔6中，以通过狭缝9将匹配液体L通过狭缝9粘贴在第一前端部分3a上具体数量。另一方面，当在不将匹配液体L施加到光纤端面的情况下设定端面间隙时，对接板3的突起片3d与凸轮13的凸轮面14接触 P2如图（a）所示，并且第一前端部3d的狭缝9嵌合在匹配液体涂布孔6中，使得匹配液体L不粘附在对接板的第一前端部3a上 3。

2. 发明专利

JPS60237407A CONNECTING METHOD OF OPTICAL FIBER ENDS TO EACH OTHER BY MATCHING LIQUID IN METHOD FOR WELDING AND CONNECTING OPTICAL FIBERS TO EACH OTHER 失效
公开(公告)号：JPS60237407A
公开(公告)日：1985-11-26
申请号：JP9263484
申请日：1984-05-09
申请人： FURUKAWA ELECTRIC CO LTD , NIPPON TELEGRAPH & TELEPHONE , SUMITOMO ELECTRIC INDUSTRIES , FUJIKURA LTD
发明人： MINAMIDA ISAO , UEMATSU YUUJI , KATOU YASUYUKI , USUI YUUICHI , KAKII TOSHIAKI , YAMADA TAKESHI , OOSATO KAZUKUNI
IPC分类号： G02B6/24 , G02B6/255
摘要： PURPOSE:To set an exact source level and to enable optical fiber connection at a low loss by connecting optically the end faces of the optical fibers via a matching liquid while discriminating the connecting conditions in several stages. CONSTITUTION:The end 2A of one optical fiber is slightly moved stepwise toward the other end 2B by a driving system 7 in the stage of connecting optically the end faces of the optical fibers to each other by the matching liquid. An optical signal is fed from this slight light source 9 to the optical fibers 1A, 1B and a photodetector 10, by which the photodetection power is detected. The space between the end faces is narrowed and the photodetection power P1 is attained just before contact with the matching liquid. The level of the power decreases to the photodetection power P2 as the end faces are bridged by the matching liquid when the end faces are further advanced stepwise. The matching liquid between the end faces converge to a stable state on succeeding stepwise advancing and the level of the power increases to the photodetection power P3. The attainment of the optical connection between the end faces by the matching liquid is discriminated when P3-P1 attains >=0.3dB, by which the connection is completed.

3. 发明专利

JPS60237408A CONTROL METHOD OF ELECTRIC DISCHARGE IN METHOD FOR WELDING AND CONNECTING OPTICAL FIBERS 失效
公开(公告)号：JPS60237408A
公开(公告)日：1985-11-26
申请号：JP9263584
申请日：1984-05-09
申请人： FURUKAWA ELECTRIC CO LTD , NIPPON TELEGRAPH & TELEPHONE , SUMITOMO ELECTRIC INDUSTRIES , FUJIKURA LTD
发明人： MINAMIDA ISAO , UEMATSU YUUJI , KATOU YASUYUKI , USUI YUUICHI , KAKII TOSHIAKI , YAMADA TAKESHI , OOSATO KAZUKUNI
IPC分类号： C03B23/207 , G02B6/24 , G02B6/255
摘要： PURPOSE:To realize stably welding and connecting at a high efficiency with a small connection loss by judging adequately whether the need for additional discharge after main discharge for welding and connecting is required or not required and executing adequately welding and connection. CONSTITUTION:A light source 9 is connected to the incident end side of an optical fiber 1A which is on a transmission side and a photodetector 10 is connected to the exit end side of an optical fiber 1B which is on a reception side. The detector 10 and a discharge control system 11 are connected to each other. The optical signal from a light source 9 is fed to the fibers 1A, 1B and the detector 10, by which the connection loss by welding is measured. The value measured by the detector 10 is inputted to the system 11, by which prescribed arithmetic processing is executed and discharge means 5M, 5N are controlled. The welding and connection are completed when the measured value attains the prescribed value or below and the additional discharge is executed until the prescribed value or below is attained if the measured value is above the prescribed value.

4. 发明专利

JPS60237409A SETTING METHOD OF SPACE BETWEEN END FACES OF OPTICAL FIBERS IN METHOD FOR WELDING AND CONNECTING OPTICAL FIBERS 失效
公开(公告)号：JPS60237409A
公开(公告)日：1985-11-26
申请号：JP9263684
申请日：1984-05-09
申请人： FURUKAWA ELECTRIC CO LTD , NIPPON TELEGRAPH & TELEPHONE , SUMITOMO ELECTRIC INDUSTRIES , FUJIKURA LTD
发明人： UEMATSU YUUJI , MINAMIDA ISAO , KATOU YASUYUKI , USUI YUUICHI , KAKII TOSHIAKI , YAMADA TAKESHI , OOSATO KAZUKUNI
IPC分类号： C03B23/207 , G02B6/24 , G02B6/255
摘要： PURPOSE:To enable exact setting of a space between end faces 0 in the stage of welding and connecting by making at least once the relative movement of the end faces of optical fibers in a counter-butting direction and an axially offcentering direction in optional order. CONSTITUTION:The end faces 2A, 2B of the optical fibers are axially centered and the max. photodetection power P1 is obtd. The end 2A is moved toward the end 2B and the power attains the peak at the point P2 when the space between the end faces 3A and 3B attains zero. The end 2A, when moved further, is overpushed as shown in figure (c) and the level of the photodetection power decreases to the point P3. The end 2A is then moved in the counter-butting direction and the movement is stopped when the point P4=P2 is attained. The one end 3B is slightly moved in the axially offcentering direction and if the photodetection power does not change any more, the failure in maintaining exactly the zero space between the end faces is indicated. On the other hand, if the accuracy of the space between end faces = 0 is high, the level of the photodetection power decreases down to the point P5 and therefore the state of the exact space between the end faces = 0 is attained by moving the end 2A until the power P5 is generated by the axial offcentering operation after detection of the power P4.

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