WO2020075245A1 - Structure d'accueil de longueur excédentaire et dispositif de communication optique - Google Patents

Structure d'accueil de longueur excédentaire et dispositif de communication optique Download PDF

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Publication number
WO2020075245A1
WO2020075245A1 PCT/JP2018/037771 JP2018037771W WO2020075245A1 WO 2020075245 A1 WO2020075245 A1 WO 2020075245A1 JP 2018037771 W JP2018037771 W JP 2018037771W WO 2020075245 A1 WO2020075245 A1 WO 2020075245A1
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WO
WIPO (PCT)
Prior art keywords
substrate
extra length
plate portion
optical fiber
mounting surface
Prior art date
Application number
PCT/JP2018/037771
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English (en)
Japanese (ja)
Inventor
中村　和博
高橋　啓介
清次 児玉
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2018/037771 priority Critical patent/WO2020075245A1/fr
Publication of WO2020075245A1 publication Critical patent/WO2020075245A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables

Definitions

  • the present invention relates to a surplus length processing structure for performing surplus length processing of an optical fiber, and an optical communication device having the surplus length processing structure.
  • an optical fiber cable (hereinafter abbreviated as an optical fiber) wired inside an optical communication device that uses optical components
  • a fusing work is performed by a fusion machine when assembling and mounting the optical components. Be seen.
  • the optical fiber needs to be significantly longer than the minimum required length for wiring. Therefore, the optical communication device has a surplus length processing structure inside.
  • the extra length of the optical fiber is wound in a loop with the radius of curvature allowed by the extra length treatment structure.
  • the extra length processing structure has a cover or a guide so that the extra length portion does not stick out of the optical communication device due to the reaction force of the optical fiber.
  • the extra length processing structure allows the optical fiber to be caught in the components of the optical communication device when the two-part housing of the optical communication device is assembled or when the optical communication device is operated. It can be prevented from breaking.
  • the large optical communication device has a sufficient space inside, so a tray-shaped extra length processing structure can be provided.
  • a small-sized optical communication device such as an optical transceiver does not have enough space inside and cannot be provided with a tray-shaped extra length processing structure.
  • Optical fiber Optical fiber.
  • miniaturization of optical communication devices has progressed, and there is no space for arranging members such as guides on the mounting surface of the substrate, and optical fibers cannot be wired. Therefore, even in an optical communication device having a small-sized and high-density mounted substrate, a structure capable of processing an extra length of an optical fiber is required.
  • Patent Document 1 a resin film is used to perform extra length processing.
  • This structure protects the optical fiber by folding the optical fiber in two and sandwiching it with a resin film, and by arranging the resin film on the surface opposite to the mounting surface of the board, a space for extra length treatment is provided. Have secured.
  • the resin film is arranged on the surface opposite to the mounting surface of the optical component.
  • an area larger than the area of the outer edge shape in the extra length portion of the optical fiber wound in a loop shape is required on the opposite surface.
  • the present invention has been made to solve the above problems, and the mounting area on the surface opposite to the mounting surface of the substrate has an outer edge shape in the extra length portion of the optical fiber wound in a loop shape.
  • the purpose of the present invention is to provide a surplus length processing structure smaller than the area.
  • the extra length processing structure according to the present invention is arranged in a loop shape on a substrate having a mounting surface and a surface opposite to the mounting surface of the substrate, and is connected to an optical component mounted on the mounting surface of the substrate. And a guide capable of holding an extra length of the optical fiber.
  • the mounting area on the surface opposite to the mounting surface of the substrate is smaller than the area of the outer edge shape in the extra length portion of the optical fiber wound in a loop shape.
  • FIG. 4 is a perspective view showing a configuration example of the extra length processing structure according to the first embodiment as viewed from the back surface side.
  • FIG. 3 is a perspective view showing a configuration example of a guide in the first embodiment.
  • FIG. 4 is a perspective view showing a configuration example of the extra length processing structure according to the first embodiment as viewed from the back surface side.
  • FIG. 3 is a perspective view showing a configuration example of a guide in the first embodiment.
  • FIG. 4 is a perspective view showing a configuration example of the extra length processing structure according to the first embodiment as viewed from the back surface side.
  • FIG. 3 is a perspective view showing a configuration example of a guide according to the first embodiment. It is the perspective view seen from the surface side which shows the example of composition of the surplus length processing structure concerning Embodiment 2.
  • 9A and 9B are diagrams showing a configuration example of a surplus length processing structure according to the second embodiment, FIG. 9A is a perspective view seen from the back surface side, and FIG. 9B is an enlarged view of part A shown in FIG. 9A.
  • FIG. FIG. 9 is a perspective view showing a configuration example of a surplus length processing structure according to a second embodiment as viewed from the back surface side.
  • FIG. 9 is a perspective view showing a configuration example of a surplus length processing structure according to a second embodiment as viewed from the back surface side.
  • FIG. 9 is a perspective view showing a configuration example of a surplus length processing structure according to a second embodiment as viewed from the back surface side.
  • FIG. 9 is a perspective view showing a configuration example of a surplus length processing structure according to a
  • FIG. 9 is a perspective view showing a configuration example of a surplus length processing structure according to a second embodiment as viewed from the back surface side. It is the perspective view seen from the back surface side showing the example of composition of the surplus length processing structure concerning Embodiment 3. It is the perspective view which expanded a part of surplus length processing structure concerning Embodiment 3.
  • Embodiment 1. 1 and 2 are perspective views showing a configuration example of a surplus length processing structure according to the first embodiment.
  • the extra length processing structure is housed in a housing (not shown) included in the optical communication device and is used to perform extra length processing of the optical fiber 3 wired in the housing.
  • the optical component 2 is mounted on the surface (mounting surface) of the substrate 1.
  • An optical fiber 3 is connected to the optical component 2.
  • Optical components 2a and 2b are mounted on the surface of the substrate 1 shown in FIG. Further, one end of the optical fiber 3a is connected to the optical component 2a, and one end of the optical fiber 3b is connected to the optical component 2b. The other end of the optical fiber 3a is connected to the other end of the optical fiber 3b.
  • the extra length processing structure includes a notch 4 provided at an end portion of the substrate 1.
  • the notch 4 is a portion for guiding the optical fiber 3 connected to the optical component 2 mounted on the surface of the substrate 1 from the front surface side of the substrate 1 to the back surface (surface opposite to the mounting surface) side.
  • the notch 4 may have a tapered edge portion.
  • the extra length processing structure can prevent the optical fiber 3 from breaking at the notch 4 portion by providing the notch 4 with a taper.
  • a through hole through which the optical fiber 3 can be inserted may be formed in the substrate 1 as a portion for guiding the optical fiber 3 from the front surface side to the back surface side of the substrate 1.
  • the extra length processing structure can prevent the optical fiber 3 from spreading from the end of the substrate 1 to the outside by drawing the optical fiber 3 from the front surface side to the back surface side of the substrate 1 through the through hole.
  • the extra length processing structure includes a plurality of guides 5 arranged in a loop on the back surface of the substrate 1.
  • the guide 5 can hold the extra length portion of the optical fiber 3 connected to the optical component 2 mounted on the surface of the substrate 1.
  • the guide 5a is used as the guide 5.
  • the guide 5a has a first plate portion 51a, a second plate portion 52a, and a third plate portion 53a, as shown in FIG.
  • the first plate portion 51a is a portion connected to the back surface of the substrate 1.
  • the first plate portion 51a has convex portions on both side surfaces for increasing the contact area with the substrate 1.
  • the second plate portion 52a is a portion facing the first plate portion 51a.
  • the third plate portion 53a is a portion having one end connected to one end of the first plate portion 51a and the other end connected to one end of the second plate portion 52a.
  • the guide 5a is configured by, for example, a single plate-shaped member made of metal being bent in a valley fold at two locations.
  • all the openings 54a of the guides 5a are arranged so as to face the inside (substantially the center of the substrate 1).
  • the openings 54a of the guides 5a are arranged so that all the openings 54a face inward, so that the optical fiber 3 wired along the guides 5a can be prevented from spreading outward.
  • all the openings 54a of each guide 5a are arranged so as to face inward.
  • the openings 54a of the guides 5a may be arranged so as to alternately face the inside and the outside.
  • the extra length treatment structure is arranged so that the openings 54a of the respective guides 5a face inward and outward alternately, thereby preventing the optical fibers 3 wired along the respective guides 5a from spreading outward and inward. It will be possible.
  • surplus length processing of the optical fiber 3 by the surplus length processing structure according to the first embodiment will be described with reference to FIGS.
  • the worker attaches to the surface of the substrate 1 and the optical fiber 3a connected to the optical component 2a mounted on the surface of the substrate 1.
  • the optical fiber 3b connected to the mounted optical component 2b is routed to the back surface of the substrate 1 through the notch 4.
  • the worker winds the optical fiber 3a and the optical fiber 3b drawn around the back surface of the substrate 1 along the respective guides 5a in a loop shape several times. Thereby, the worker can perform the extra length treatment of the optical fibers 3a and 3b by using the extra length treatment structure.
  • the guide 5 is not limited to the guide 5a shown in FIGS. 2 and 3, but may be the guide 5b shown in FIGS.
  • the guide 5b has a first plate portion 51b, a second plate portion 52b, a third plate portion 53b, and a fourth plate portion 55b.
  • the first plate portion 51b is a portion connected to the back surface of the substrate 1.
  • the first plate portion 51b has convex portions on both side surfaces for increasing the contact area with the substrate 1.
  • the second plate portion 52b is a portion facing the first plate portion 51b.
  • the third plate portion 53b is a portion having one end connected to one end of the first plate portion 51b and the other end connected to one end of the second plate portion 52b.
  • the fourth plate portion 55b is formed on the other end side of the first plate portion 51b and projects toward the second plate portion 52b.
  • the guide 5b is configured, for example, by bending one metal plate member in a valley fold at two locations and cutting and raising the first plate portion 51b to the fourth plate portion 55b.
  • the guide 5b can prevent the optical fiber 3 held by the guide 5b from coming off by the fourth plate portion 55b.
  • the fourth plate portion 55b is formed on the first plate portion 51b.
  • the fourth plate portion 55b may be formed on the other end side of the second plate portion 52b and protrude toward the first plate portion 51b.
  • all the openings 54b of the guides 5b are arranged so as to face the inside (substantially the center side of the substrate 1).
  • the openings 54b of the guides 5b are arranged so that all the openings 54b face inward, whereby the optical fibers 3 wired along the guides 5b can be prevented from spreading outward.
  • all the openings 54b of the guides 5b are arranged so as to face inward.
  • the openings 54b of each guide 5b may be arranged so as to alternately face the inside and the outside.
  • the extra length processing structure is arranged so that the openings 54b of the guides 5b are alternately turned inward and outward, thereby preventing the optical fibers 3 wired along the guides 5b from spreading outward and inward. It will be possible.
  • the guide 5 may be a guide 5c as shown in FIGS.
  • the guide 5c has a first plate portion 51c, a second plate portion 52c, a third plate portion 53c, a fourth plate portion 55c, and a fifth plate portion 56c.
  • the first plate portion 51c is a portion connected to the back surface of the substrate 1.
  • the second plate portion 52c has one end connected to one end side in the longitudinal direction of the first plate portion 51c, which is one end side in the lateral direction of the first plate portion 51c, and is connected to the first plate portion 51c. It is a part that is inclined with respect to.
  • the third plate portion 53c has one end connected to the other end side in the longitudinal direction of the first plate portion 51c, which is the other end side in the lateral direction of the first plate portion 51c, and the first plate portion 53c. It is a part inclined with respect to 51c.
  • the fourth plate portion 55c is a portion whose one end is connected to the other end of the second plate portion 52c and which is arranged in parallel (including a meaning substantially parallel to) to the first plate portion 51c.
  • the fifth plate portion 56c has one end connected to the other end of the third plate portion 53c, is arranged in parallel to the first plate portion 51c (including the meaning of being substantially parallel), and is connected to the fourth plate portion. It is a part facing 55c.
  • This guide 5c has, for example, a second plate portion 52c and a fourth plate portion formed by cutting and raising one end side in the lateral direction and bending the tip side in a mountain fold with respect to one metal plate-shaped member. 55c is formed, the other end side in the lateral direction is cut and raised, and the tip side is bent in a mountain fold to form the third plate portion 53c and the fifth plate portion 56c.
  • the guide 5c can suppress the optical fiber 3 held by the second plate portion 52c, the third plate portion 53c, the fourth plate portion 55c, and the fifth plate portion 56c from coming off.
  • the extra length processing structure is connected to the substrate 1 and the optical components 2 arranged in a loop on the back surface of the substrate 1 and mounted on the front surface of the substrate 1. And a guide 5 capable of holding the extra length portion of the optical fiber 3.
  • the attachment area on the back surface of the substrate 1 is smaller than the area of the outer edge shape in the extra length portion of the optical fiber 3 wound in a loop. Therefore, the extra length processing structure according to the first embodiment has an extra length of the optical fiber 3 on the rear surface of the substrate 1 even when there is not enough space on the rear surface, such as when a large number of electrical components are mounted on the rear surface. Processing becomes possible.
  • the extra length processing structure according to the first embodiment even when the back surface of the substrate 1 faces the direction of gravity when the substrate 1 is incorporated in the housing of the optical communication device, the optical fiber 3 does not droop, and the substrate The optical fiber 3 does not stick out beyond 1.
  • the extra length processing structure according to the first embodiment can prevent breakage of the optical fiber 3 due to the optical fiber 3 being caught in the housing of the optical communication device. It is needless to say that the extra length treatment structure according to the first embodiment can perform extra length treatment of the optical fiber 3 even when electric components are densely mounted on the surface of the substrate 1.
  • Embodiment 2 In the extra length treatment structure according to the first embodiment, the case where extra length treatment is performed using the plurality of guides 5 arranged in a loop on the back surface of the substrate 1 has been shown.
  • the extra length treatment structure according to the second embodiment a case is shown in which the extra length treatment is performed using the cover 6 arranged on the back surface of the substrate 1.
  • 8 and 9 are diagrams showing a configuration example of the extra length processing structure according to the second embodiment.
  • the surplus length processing structure according to the second embodiment shown in FIGS. 8 and 9 is different from the surplus length processing structure according to the first embodiment shown in FIGS. However, a notch 4b is formed at a position facing the notch 4 of the substrate 1.
  • Other configurations in the extra length processing structure according to the second embodiment shown in FIGS. 8 and 9 are the same as those of the extra length processing structure according to the first embodiment shown in FIGS. The description is omitted.
  • the cover 6 is a housing whose one surface is open, is provided on the back surface of the substrate 1, and is provided on the front surface of the substrate 1 where the extra length portion of the optical fiber 3 connected to the optical component 2 is wired. cover.
  • engagement claws 61 are provided on both side surfaces of the cover 6. Then, the cover 6 is fixed to the substrate 1 by engaging the engaging claw 61 with the substrate 1 through the notch 4 and the notch 4b.
  • the cover 6 may be made of a transparent resin member.
  • the cover 6 made of a transparent resin member allows a worker to visually confirm the excess length processing state.
  • the cover 6 may be configured by using a flexible substrate. With the cover 6 made of a flexible substrate, the surplus length processing structure can mount an electric circuit on both surfaces of the cover 6, and can contribute to downsizing and high-density mounting of the optical communication device.
  • surplus length processing of the optical fiber 3 by the surplus length processing structure according to the second embodiment will be described with reference to FIGS.
  • the worker attaches the optical fiber 3a connected to the optical component 2a mounted on the surface of the substrate 1 and the surface of the substrate 1 to each other.
  • the optical fiber 3b connected to the mounted optical component 2a is routed to the back surface of the substrate 1 through the notch 4.
  • the worker winds the optical fiber 3a and the optical fiber 3b, which are drawn around the back surface of the substrate 1, into a loop shape several times.
  • the worker attaches the cover 6 to the back surface of the substrate 1 so as to cover the optical fibers 3a and 3b wound in a loop.
  • the worker can perform the extra length treatment of the optical fibers 3a and 3b by using the extra length treatment structure.
  • the cover 6 is fixed by inserting the engaging claw 61 of the cover 6 into the notches 4 and 4b provided on the back surface of the substrate 1.
  • the method of fixing the cover 6 to the substrate 1 is not limited to this.
  • the extra length processing structure is provided on the back surface of the substrate 1 and the end portion of the cover 6 is sandwiched so that the extra length treatment structure is provided.
  • the insertion portions 62 are provided at the four corners as the end portions.
  • the connectors 7 are mounted on the back surface of the substrate 1 at the positions where the insertion portions 62 are arranged.
  • the cover 6 is fixed to the substrate 1 by inserting the insertion portion 62 of the cover 6 into the connector 7.
  • the connector 7 enables a worker to easily attach and detach the cover 6.
  • the cover 6 may be provided with a hole 63 at the center of the top surface. Due to the holes 63, in the substrate 1, even when a component having a high heat generation is mounted on a position corresponding to a position right below the cover 6 on the back surface, it is possible to dispose a heat radiating member on the upper surface of the component, and heat radiation is improved. . Further, as shown in FIG. 11, the cover 6 may be provided with a plurality of holes 64 around the hole 63 on the top surface, and a notch 65 may be formed between the hole 63 and each hole 64. In the surplus length processing structure, as shown in FIG. 11, the optical fiber 3 is laid so as to sew through the holes 64 through the notches 65, and wiring is performed, whereby the wiring shape of the optical fiber 3 can be maintained.
  • the cover 6 may be provided with a hole 66 at a position corresponding to the position of the notch 4 provided on the substrate 1 on the top surface.
  • the optical fiber 3 is passed through the hole 66 and wired as shown in FIG. 12, whereby it is possible to prevent the optical fiber 3 from jumping out in the lateral direction of the substrate 1, and the casing of the optical communication device. It is possible to prevent biting when incorporated into the body.
  • a guide 5 similar to that of the first embodiment may be provided on the back surface of the substrate 1.
  • the extra length processing structure is provided with the substrate 1 and the optical fiber provided on the back surface of the substrate 1 and connected to the optical component 2 mounted on the front surface of the substrate 1. And a cover 6 for covering the portion where the extra length of 3 is wired.
  • the extra length processing structure according to the second embodiment has the same effect as the extra length processing structure according to the first embodiment.
  • the extra length processing structure according to the second embodiment can more reliably prevent the optical fiber 3 from being caught in the housing of the optical communication device.
  • FIG. 13 is a perspective view showing a configuration example of a surplus length processing structure according to the third embodiment.
  • the surplus length processing structure according to the third embodiment shown in FIG. 13 is different from the surplus length processing structure according to the first embodiment shown in FIG. 2 in that a plurality of guides 5 a are replaced with a plurality of guides 8.
  • Other configurations in the surplus length processing structure according to the third embodiment shown in FIG. 13 are the same as those of the surplus length processing structure according to the first embodiment shown in FIG. To do.
  • the guide 8 has a small board 81, a connector 82, and a connector 83.
  • the small substrate 81 is a substrate smaller in size than the substrate 1.
  • the connector 82 is mounted on the back surface of the substrate 1. In FIGS. 13 and 14, the connector 82 a and the connector 82 b are mounted on the back surface of the substrate 1.
  • the connector 83 is a connector that can be connected to the connector 82, and is mounted on the small board 81. 13 and 14, the connector 83a is mounted on one end of the back surface of the small board 81 and the connector 83b is mounted on the other end.
  • the small board 81 is fixed to the back surface of the board 1 by connecting the connector 83a to the connector 82a and the connector 83b to the connector 82b.
  • the extra length processing structure shown in FIGS. 13 and 14 shows a case where two connectors 82 (connectors 82a and 82b) are provided for one small board 81, but one or more connectors 82 are provided. If Similarly, the extra length processing structure shown in FIGS. 13 and 14 shows a case where two connectors 83 (connector 83a and connector 83b) are provided for one small board 81, but the connector 83 has one It should be one or more.
  • the small board 81 may be configured by using a flexible board.
  • the small substrate 81 made of a flexible substrate improves the assembling property of the small substrate 81 in the extra length processing structure.
  • surplus length processing of the optical fiber 3 by the surplus length processing structure according to the third embodiment will be described with reference to FIGS.
  • the worker attaches to the surface of the substrate 1 and the optical fiber 3a connected to the optical component 2a mounted on the surface of the substrate 1.
  • the optical fiber 3b connected to the mounted optical component 2a is routed to the back surface of the substrate 1 through the notch 4.
  • the worker winds the optical fiber 3a and the optical fiber 3b routed on the back surface of the substrate 1 in a loop shape several times so as to pass between the connector 82a and the connector 82b.
  • the worker attaches the small substrate 81 to the back surface of the substrate 1 from above the optical fibers 3a and 3b wound in a loop. Thereby, the worker can perform the extra length treatment of the optical fibers 3a and 3b by using the extra length treatment structure.
  • the guide 8 has a size smaller than that of the substrate 1, and has the small substrate 81 which is attachable / detachable at least at one location on the back surface of the substrate 1.
  • the surplus length processing structure according to the third embodiment has the same effect as the surplus length processing structure according to the first embodiment.
  • the extra length processing structure according to the third embodiment since electric components can be mounted also on the small board 81, by moving some of the electric components mounted on the board 1 to the small board 81, The mounting space for the substrate 1 can be increased.
  • the mounting area on the surface opposite to the mounting surface of the substrate becomes smaller than the area of the outer edge shape in the surplus length portion of the optical fiber wound in a loop shape. It is suitable for use in a surplus length processing structure for performing the surplus length processing.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

La présente invention comprend : un substrat (1) ; et des guides (5) aptes à maintenir des portions de longueur excédentaire de fibres optiques (3) qui sont disposées en forme de boucle sur la surface arrière du substrat (1) et qui sont reliées à des composants optiques (2) montés sur la surface avers du substrat (1).
PCT/JP2018/037771 2018-10-10 2018-10-10 Structure d'accueil de longueur excédentaire et dispositif de communication optique WO2020075245A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/JP2018/037771 WO2020075245A1 (fr) 2018-10-10 2018-10-10 Structure d'accueil de longueur excédentaire et dispositif de communication optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/037771 WO2020075245A1 (fr) 2018-10-10 2018-10-10 Structure d'accueil de longueur excédentaire et dispositif de communication optique

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WO2020075245A1 true WO2020075245A1 (fr) 2020-04-16

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001148584A (ja) * 1999-09-08 2001-05-29 Fujitsu Denso Ltd 光ケーブル保持具および光ケーブル保持構造
JP2004029701A (ja) * 2002-04-30 2004-01-29 Sumitomo Electric Ind Ltd 集線装置及び光ファイバ余長処理方法
JP2007259618A (ja) * 2006-03-24 2007-10-04 Fujitsu Ltd ケーブル用クランプ
JP2012244817A (ja) * 2011-05-20 2012-12-10 Fujitsu Telecom Networks Ltd ケーブルクランプ
JP3187227U (ja) * 2013-09-05 2013-11-14 有限会社ティー・アール・ディ 電線保持具
JP2013257461A (ja) * 2012-06-13 2013-12-26 Japan Oclaro Inc 光モジュール
JP2014102326A (ja) * 2012-11-19 2014-06-05 Hitachi Metals Ltd 光伝送ラインカード
US20160097906A1 (en) * 2014-10-07 2016-04-07 Aker Subsea Limited Apparatus with substantially rigid support

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001148584A (ja) * 1999-09-08 2001-05-29 Fujitsu Denso Ltd 光ケーブル保持具および光ケーブル保持構造
JP2004029701A (ja) * 2002-04-30 2004-01-29 Sumitomo Electric Ind Ltd 集線装置及び光ファイバ余長処理方法
JP2007259618A (ja) * 2006-03-24 2007-10-04 Fujitsu Ltd ケーブル用クランプ
JP2012244817A (ja) * 2011-05-20 2012-12-10 Fujitsu Telecom Networks Ltd ケーブルクランプ
JP2013257461A (ja) * 2012-06-13 2013-12-26 Japan Oclaro Inc 光モジュール
JP2014102326A (ja) * 2012-11-19 2014-06-05 Hitachi Metals Ltd 光伝送ラインカード
JP3187227U (ja) * 2013-09-05 2013-11-14 有限会社ティー・アール・ディ 電線保持具
US20160097906A1 (en) * 2014-10-07 2016-04-07 Aker Subsea Limited Apparatus with substantially rigid support

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