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公开(公告)号：US10175443B1
公开(公告)日：2019-01-08
申请号：US15893940
申请日：2018-02-12
申请人： SEI Optifrontier Co., Ltd. , SUMITOMO ELECTRIC INDUSTRIES, LTD. , Japan Communication Accessories Manufacturing Co., Ltd. , SUMITOMO ELECTRIC LIGHTWAVE CORP.
IPC分类号： G02B6/44
摘要： An optical fiber rack includes a rack part on which a plurality of termination units are located, a first optical fiber housing part in which extra length wiring parts of a plurality of first optical fibers are housed, a second optical fiber housing part in which an extra length wiring part of a second optical fiber connected with any of the plurality of termination units is housed, a partition plate partitioning the first optical fiber housing part from the second optical fiber housing part, and, a plurality of optical fiber guides attached to the partition plate and arranged in the vertical direction. The optical fiber guide comprises a first guide part housing the first optical fibers toward to the first optical fiber housing part, and a second guide part housing the second optical fiber passing through an opening provided in the partition plate.
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公开(公告)号：US10523317B2
公开(公告)日：2019-12-31
申请号：US16000098
申请日：2018-06-05
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , SEI Optifrontier Co., Ltd. , SUMITOMO ELECTRIC LIGHTWAVE CORP.
发明人： Kazuya Masuda , Tomohiko Ueda , Tsuneari Ito , Kenichiro Otsuka , Yoshifumi Hishikawa , Gouichi Fukumoto , Tetsufumi Tsuzaki , Toshiyuki Miyamoto , Takashi Murakami , Yoshiyuki Suetsugu , Takashi Kondo
IPC分类号： H04B10/079 , G01M11/00 , G02B6/44 , H04B10/071
摘要： A measurement system is a measurement system inspecting an optical transmission line configured by connecting a plurality of optical cables, each of which includes a plurality of optical fibers, wherein the optical transmission line includes a plurality of optical fiber lines configured by connecting the plurality of optical fibers in the plurality of optical cables, the measurement system including: a first measurement device configured to be disposed at a first end of the optical transmission line; and a second measurement device configured to be disposed at a second end of the optical transmission line, wherein the first measurement device and the second measurement device perform a first measurement to inspect whether the optical cable is misconnected, and a second measurement to inspect the plurality of optical fiber lines in a case where it is determined that there is no misconnection in the first measurement.
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公开(公告)号：US11156787B2
公开(公告)日：2021-10-26
申请号：US16614867
申请日：2018-05-23
发明人： Yoshikyo Tamekuni , Kazuya Masuda , Tomohiko Ueda , Yuji Suzuki
摘要： An optical connector includes a holder configured to hold at least three or more optical connector plugs. The optical connector plugs and the adapters are arranged in an intersecting direction intersecting with a connecting direction. The optical connector plugs include a first optical connector plug and a second optical connector plug. Any of the first optical connector plug and the adapter to which the first optical connector plug is connected has a latch mechanism configured to engage the first optical connector plug with the adapter. Any of the second optical connector plug and the adapter to which the second optical connector plug is connected does not have a latch mechanism configured to engage the second optical connector plug with the adapter.
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公开(公告)号：US11073671B2
公开(公告)日：2021-07-27
申请号：US16464802
申请日：2017-11-27
申请人： SEI Optifrontier Co., Ltd. , Japan Communication Accessories Manufacturing Co., Ltd. , SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Kazuya Masuda , Junji Fukui , Tomoyuki Yokokawa , Tetsuya Oosugi , Takayuki Yokochi , Masanori Yamanaka , Tsuneari Ito
摘要： A termination unit includes: a plurality of first optical fibers fusion-connected to a multicore cable; a tray slidable in a first direction, the tray being provided on one end side of the termination unit in the first direction; and a plurality of adapters which are provided in a line on the tray, to which a plurality of second optical fibers are connected from each of one end sides of the adapters, and to which the plurality of first optical fibers are connected from each of the other end sides of the adapters, in which the tray has a cover part for protecting the plurality of adapters, and in which the cover part is rotatable with a shaft that extends along a second direction, and the cover part rotates downward when the tray has slid in a direction toward the one end side from the other end side.
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公开(公告)号：US10859783B2
公开(公告)日：2020-12-08
申请号：US16464791
申请日：2017-11-27
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. , Japan Communication Accessories Manufacturing Co., Ltd. , SEI Optifrontier Co., Ltd.
摘要： An optical fiber rack includes: a rack part on which a plurality of termination units arranged along an up-down direction are located; an optical fiber housing part which has a back plate and in which an extra length wiring part in a plurality of optical fiber bundles connected to each of the plurality of termination units is housed; and a plurality of first dividing bodies for dividing locations of the optical fiber bundles in the optical fiber housing part, the plurality of first dividing bodies being attached to the back plate so as to be arranged along the up-down direction in the optical fiber housing part. The first dividing body has a holding part for holding the corresponding optical fiber bundle, and the holding part of the first dividing body provided lower in the up-down direction is positioned to be separated from the back plate.
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公开(公告)号：US20180348444A1
公开(公告)日：2018-12-06
申请号：US15991175
申请日：2018-05-29
发明人： Yoshikyo Tamekuni , Kazuya Masuda , Tomohiko Ueda , Yuji Suzuki
摘要： The optical connector according to one embodiment includes a plurality of optical connector plugs collectively connected to a plurality of adapters in a connection direction, wherein each of the optical connector plugs includes a tubular ferrule which holds an optical fiber, and a diameter of the ferrule is smaller than that of a ferrule defined by the international standard of the optical connector.
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公开(公告)号：US11555967B2
公开(公告)日：2023-01-17
申请号：US17273383
申请日：2018-10-26
发明人： Kazuya Masuda , Masakazu Shigehara
摘要： An optical connector-equipped fiber connection structure according to an embodiment includes at least three groups including two or more optical fibers adjacent to each other. In the groups, two or more of the optical fibers extend from a first multi-core connector to a second multi-core connector without intersecting with each other. Optical fibers of two groups in the at least three groups intersect with each other in a midway point going from the first multi-core connector to the second multi-core connector. Optical fibers of groups other than the two groups extend from the first multi-core connector to the second multi-core connector without intersecting with the other optical fibers extending from the first multi-core connector.
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