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515 条记录 (耗时 0.021 秒)

    Optical coupler
    106.
    发明公开
    Optical coupler 失效
    光耦合。

    公开(公告)号：EP0181727A1

    公开(公告)日：1986-05-21

    申请号：EP85307777.4

    申请日：1985-10-28

    申请人： NIPPON SHEET GLASS COMPANY LIMITED

    发明人： Ueno, Hiroshi ,  Nishi, Hisami ,  Toyama, Minoru

    IPC分类号： G02B3/00

    CPC分类号： G02B6/4206 ,  G02B3/00

    摘要： An optical coupler comprises a lens (2) for coupling a light source (1) to an optical fiber (3). The lens (2) is in the form of a transparent column in which a refractive index n(r) at a distance r from the optical axis is expressed by n 2 (r) = n o 2 {1 - (gr) 2 + h 4 (gr) 4 + h 6 (gr) 6 + h 8 (gr) 8 + ...}, and satisfies the following conditions when Sf = g/0.4:
    wherein C, and C 2 are curvatures of input and output and faces (2A and 28) (the sign is positive when the center of the radius of curvature is positioned at the side of the optical fiber with respect to the end face), ℓ 1 is a back focus at the side of the light source (1), no is a refractive index on the optical axis, and g, h 4 , he and h 8 are distribution constants.

    Lens for an optical recording/reproducing apparatus
    107.
    发明公开
    Lens for an optical recording/reproducing apparatus 失效
    Linsefüreine optische Aufnahme oder Wiedergabevorrichtung。

    公开(公告)号：EP0156453A1

    公开(公告)日：1985-10-02

    申请号：EP85300175.8

    申请日：1985-01-10

    申请人： NIPPON SHEET GLASS COMPANY LIMITED

    发明人： Ichikawa, Hiroyuki ,  Nishi, Hisami ,  Toyama, Minoru

    IPC分类号： G02B3/00 ,  G02B9/02

    CPC分类号： G02B3/0087 ,  G02B9/02 ,  G11B7/1374 ,  G11B7/13922

    摘要： A lens (9) for an optical recording/reproducing apparatus has a graded refractive index n (r) at a position a distance r from its optical axis along a radial direction which is given by: and the following conditions are satisfied:

    R 2 =x
    3.0≧R 1 /(1+0.755)≧0.8
    1.40≦n o ≦1.87-0.6g·S
    0.75≧g·f≧0.45
    where no: refractive index on the optical axis
    g,h 4 ,h 6 ,h 8 :coefficients
    R 1 :radius of curvature of a first surface
    R 2 :radius of curvature of a second surface
    S: working surface
    f: working distance of an overall optical system at an image side.

    An optical recording/reproducing apparatus using such a lens as an objective lens can be capable of high-density recording/reproduction, does not require very high precision in assembly, and allows good response charateristics of its optical pickup to focussing and tracking control.

    摘要翻译： 用于光学记录/再现装置的透镜（9）在距离其光轴沿径向方向的距离r处具有梯度折射率n（r），其由下式给出：n 2（r）= n 0 2> 1-（gr）<2> + h4（gr）4 + h6（gr）<6> + h8（gr）<8> +，满足下列条件：R2 = / = R1 /（1 + 0.75S）> / = 0.8 1.40 / = gf> / = 0.45其中n0：光轴上的折射率g，h4，h6， h8：系数R1：第一面的曲率半径R2：第二面的曲率半径S：作用面f：整个光学系统在像侧的工作距离。 使用这样的透镜作为物镜的光记录/再现装置能够进行高密度记录/再现，不需要非常高的组装精度，并且允许其光学拾取器具有良好的响应特性以进行聚焦和跟踪控制。

    GLASS BODY
    109.
    发明公开
    GLASS BODY 审中-实审

    公开(公告)号：EP4400483A1

    公开(公告)日：2024-07-17

    申请号：EP22864616.2

    申请日：2022-08-31

    申请人： Nippon Sheet Glass Company, Limited

    发明人： INAOKA Daisuke ,  OKA Hidetoshi ,  OSHIMA Hideaki ,  FUJISAWA Akira

    IPC分类号： C03C17/36 ,  C03C27/06 ,  E06B3/663

    CPC分类号： C03C17/36 ,  E06B3/663 ,  C03C27/06

    摘要： A glass body (100) includes a first glass plate (1) having a first surface and a second surface (12) on an opposite side to the first surface. At least one plate surface of the first surface and the second surface (12) includes a radio wave transmission region (43) through which radio waves having a wavelength having linearity are allowed to be transmitted. The radio wave transmission region (43) includes a plurality of radio wave passage sections (43A) through which the radio waves are allowed to pass and which is spaced apart from each other, and a conductive film section (43B) in which a conductive film having a blocking property for the radio waves is formed between the radio wave passage sections (43A) adjacent to each other. The radio wave transmission region (43) is configured with a radio wave diffusion structure in which some of the radio waves that have passed through the plurality of radio wave passage sections (43A) are diffracted and overlap each other in a space facing the conductive film section (43B).

    VEHICLE GLASS MODULE
    110.
    发明公开
    VEHICLE GLASS MODULE 审中-实审

    公开(公告)号：EP4366464A1

    公开(公告)日：2024-05-08

    申请号：EP22833144.3

    申请日：2022-06-28

    申请人： Nippon Sheet Glass Company, Limited

    发明人： YOSHIDA, Minoru ,  ONO, Kazuhisa

    IPC分类号： H05B3/02 ,  H01R4/02

    CPC分类号： H05B3/02 ,  H01R4/02

    摘要： A vehicular glass module includes: a glass panel; an electric conductor disposed along a plate surface of a glass panel and including a power supply section (21), (22) in an end part; at least one connection terminal (3) which supplies electric power to the power supply section (21), (22) and which is made of a conductive material having a linear thermal expansion coefficient different from the glass panel; and a lead-free solder (4) bonding the connection terminal (3) to the power supply section (21), (22) to electrically connect the electric conductor to the connection terminal (3). The connection terminal (3) includes a plate-shaped seating surface section (31) facing the power supply section (21), (22), and the lead-free solder (4) has a thickness (L2) equal to or more than two-thirds of a thickness (L) of the seating surface section (31).