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    OPTICAL CABLE LAYING CONSTRUCTION METHOD AND OPTICAL CABLE LAYING CONSTRUCTION SET
    2.
    发明申请
    OPTICAL CABLE LAYING CONSTRUCTION METHOD AND OPTICAL CABLE LAYING CONSTRUCTION SET 有权

    公开(公告)号：US20220390695A1

    公开(公告)日：2022-12-08

    申请号：US17624490

    申请日：2020-07-03

    Applicant: NITTO DENKO CORPORATION

    Inventor： Koichi TSUDA ,  Yusuke SHIMIZU ,  Yuhei TANAKA

    IPC: G02B6/42 ,  G02B6/25 ,  G02B6/245

    Abstract: An optical cable laying construction set (X) that includes an optical cable (C1) and plugs (P1 and P2). The optical cable (C1) includes an optical fiber which is a refractive index distribution-type plastic optical fiber. The plug (P1) includes a connecting portion connectable to the optical fiber, and an electric connector connectable to an external device, and has a configuration for converting an electric signal into an optical signal. The plug (P2) includes a connecting portion connectable to the optical fiber, and an electric connector connectable to an external device, and has a configuration for converting an optical signal to an electric signal. In an optical cable laying construction method of the present invention, laying construction of the optical cable on site is carried out using the optical cable laying construction set (X).

    POSITION SENSOR
    3.
    发明申请
    POSITION SENSOR 审中-公开
    位置传感器

    公开(公告)号：US20160018950A1

    公开(公告)日：2016-01-21

    申请号：US14772186

    申请日：2014-01-14

    Applicant: NITTO DENKO CORPORATION

    Inventor： Yusuke SHIMIZU ,  Ryoma YOSHIOKA

    IPC: G06F3/042 ,  G02B6/10

    CPC classification number: G06F3/0428 ,  G02B6/10 ,  G06F3/0418 ,  G06F3/0421 ,  G06F2203/04109

    Abstract: A position sensor includes: a sheet-form optical waveguide including an under cladding layer, linear cores arranged in a lattice on the under cladding layer, and an over cladding layer formed to cover the cores; a light-emitting element connected to one end surface of the cores; and a light-receiving element connected to the other end surface of the cores. A refractive index difference between the cores and the under cladding layer and a refractive index difference between the cores and the over cladding layer are set in a specific range. The cores have an elasticity modulus higher than those of the under and over cladding layers. The deformation rate of a cross section of the cores as seen in a pressed direction is lower than the deformation rates of cross sections of the over cladding layer and the under cladding layer when a surface of the optical waveguide is pressed.

    Abstract translation: 位置传感器包括：包括下包层的片状光波导，在下敷层上以格子布置的线状芯和形成为覆盖芯的上敷层; 连接到芯的一个端面的发光元件; 以及连接到芯的另一端面的光接收元件。 芯和下敷层之间的折射率差和芯与上敷层之间的折射率差设定在特定范围内。 芯的弹性模量高于下包层和上覆层的弹性模量。 当沿压制方向观察时，芯的横截面的变形率低于当按压光波导的表面时上包层和下包层的横截面的变形率。

    CONNECTOR
    5.
    发明申请
    CONNECTOR 有权

    公开(公告)号：US20220171143A1

    公开(公告)日：2022-06-02

    申请号：US17441525

    申请日：2020-02-25

    Applicant: NITTO DENKO CORPORATION

    Inventor： Koichi TSUDA ,  Yusuke SHIMIZU ,  Satoshi ITO

    IPC: G02B6/42

    Abstract: A connector includes an optical fiber and a case, and converts an optical signal input from the optical fiber into an electrical signal and outputs the electrical signal, or converts an input electrical signal into an optical signal and outputs the optical signal to the optical fiber. The case has a wall into which the optical fiber is inserted. The rear wall has an upper end and a lower end facing each other with a space therebetween so that the optical fiber intervenes in the space. The case includes an upper protruding wall protruding in the front-rear direction and a lower protruding wall protruding in the front-rear direction. Between the upper free end of the upper protruding wall and the lower free end of the lower protruding wall, a first space is defined so the optical fiber can freely move in the width direction.

    CONNECTOR MEMBER, OPTICAL TRANSMISSION SYSTEM, AND ASSEMBLY METHOD FOR SAME
    7.
    发明公开
    CONNECTOR MEMBER, OPTICAL TRANSMISSION SYSTEM, AND ASSEMBLY METHOD FOR SAME 审中-公开

    公开(公告)号：US20230204880A1

    公开(公告)日：2023-06-29

    申请号：US18001053

    申请日：2021-06-10

    Applicant: NITTO DENKO CORPORATION

    Inventor： Koichi TSUDA ,  Yusuke SHIMIZU

    IPC: G02B6/42 ,  G02B6/46

    CPC classification number: G02B6/4219 ,  G02B6/46

    Abstract: A connector member is configured to be optically connected to an optical cable and to be connected to an output device-side connector that fixes an output device-side end portion of the optical cable. The connector member includes a laser diode (photoelectric conversion portion) configured to receive and emit an optical signal; a flexible light guide tube configured so that one end portion of the light guide tube is optically connected to the laser diode via an optical path conversion member, and so that the other end portion of the light guide tube is optically connected to the optical cable; and a connector that fixes the other end portion of the light guide tube. The connector member is configured to be connected to the output device-side connector. The connector is capable of relative movement with respect to the laser diode.

    INPUT DEVICE
    9.
    发明申请
    INPUT DEVICE 审中-公开
    输入设备

    公开(公告)号：US20160209946A1

    公开(公告)日：2016-07-21

    申请号：US15024130

    申请日：2014-07-14

    Applicant: NITTO DENKO CORPORATION

    Inventor： Yusuke SHIMIZU ,  Ryoma YOSHIOKA

    IPC: G06F3/042

    CPC classification number: G06F3/042 ,  G06F3/0421

    Abstract: There is provided an input device including an optical waveguide that prevents cores from being cracked due to pressing with and movement of a tip input part of an input element. This input device includes an optical waveguide in a rectangular sheet form configured such that linear cores arranged in a lattice form are held between an under cladding layer and an over cladding layer both in a rectangular sheet form. A surface region of the over cladding layer corresponding to part of the cores arranged in the lattice form serves as an input region. Gaps between adjacent ones of the linear cores arranged in the lattice form are in the range of 10 to 300 μm which is smaller than conventional gaps. The cores have an elasticity modulus equal to or higher than those of the under cladding layer and the over cladding layer.

    Abstract translation: 提供了一种输入装置，其包括光波导，其防止由于输入元件的尖端输入部分的按压和移动而导致芯部破裂。 该输入装置包括矩形片状的光波导，其构造成使得以格子状排列的线状芯保持在矩形片状的下敷层和上敷层之间。 对应于以格子形式布置的芯的一部分的上敷层的表面区域用作输入区域。 排列成格子状的相邻的线状芯之间的间隙在10〜300μm的范围内，比常规间隙小。 芯的弹性模量等于或高于下敷层和上敷层的弹性模量。

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