利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

79 条记录 (耗时 0.016 秒)

    OPTICAL GLASS, GLASS PREFORM AND OPTICAL COMPONENT
    2.
    发明公开
    OPTICAL GLASS, GLASS PREFORM AND OPTICAL COMPONENT 审中-公开
    光学玻璃，玻璃光学元件和光学元件

    公开(公告)号：EP3321237A1

    公开(公告)日：2018-05-16

    申请号：EP16820985.6

    申请日：2016-05-19

    申请人： Sumita Optical Glass, Inc.

    发明人： TSUCHIYA, Koichi ,  YUKI, Toshinori

    IPC分类号： C03C3/068 ,  C03C3/23 ,  G02B1/00

    CPC分类号： C03C3/068 ,  C03C3/23 ,  G02B1/00

    摘要： Provided is an optical glass having high refractive index and low dispersibility, and also having high transmittance in the near-infrared region. An optical glass of the present disclosure contains B 2 O 3 and LaF 3 as essential components without containing a Zn component and a component having absorption in the near-infrared region, in which the total content of La 2 O 3 , Gd 2 O 3 , and Y 2 O 3 and the total content of LaF 3 , GdF 3 , and YF 3 are optimized.

    摘要翻译： 本发明提供折射率高，分散性低，并且近红外区域的透过率高的光学玻璃。 本发明的光学玻璃含有B 2 O 3和LaF 3作为必需成分，其中不含Zn成分和在近红外区具有吸收的成分，其中La 2 O 3，Gd 2 O 3和Y 2 O 3的总含量以及LaF 3， GdF3和YF3进行了优化。

    OPTICAL SYSTEM
    5.
    发明公开
    OPTICAL SYSTEM 审中-公开
    光学系统

    公开(公告)号：EP2960696A1

    公开(公告)日：2015-12-30

    申请号：EP15173146.0

    申请日：2015-06-22

    申请人： Sumita Optical Glass, Inc.

    发明人： WATANABE, Hiroki ,  AIDA, Kazuya

    IPC分类号： G02B6/42 ,  G02B19/00 ,  G02B27/09

    摘要： To provide an optical system that lengthens the lifetime of a fiber, an optical system 13 guides light beams emitted from a plurality of light emitting parts ep into a single optical fiber 12, the plurality of light emitting parts ep are arranged to be aligned along a first direction d1, and the optical system 13 allows the light beams emitted from the plurality of light emitting parts ep to have different light collection centers which are offset from each other at least in a second direction d2.

    摘要翻译： 为了提供延长光纤寿命的光学系统，光学系统13将从多个发光部分ep发射的光束引导到单个光纤12中，多个发光部分ep被布置成沿着 第一方向d1，并且光学系统13允许从多个发光部ep发射的光束具有不同的光收集中心，所述光收集中心至少沿第二方向d2彼此偏移。

    Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit
    8.
    发明公开
    Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit 有权
    方法和用于控制白炽灯的亮度排列，并与灯泡的光源

    公开(公告)号：EP1367863A2

    公开(公告)日：2003-12-03

    申请号：EP03253310.1

    申请日：2003-05-27

    申请人： SUMITA OPTICAL GLASS, INC.

    发明人： Maruyama, Fumio

    IPC分类号： H05B39/04

    CPC分类号： H05B39/047 ,  Y02B20/144

    摘要： The invention relates to a light source unit control method and a light source control unit, and a light source unit comprising a filament lamp with a characteristic of having a light quantity changing almost in proportion to a control voltage, which comprise: a current detection sensor connected in series to the lamp; a multiplication circuit for generating a voltage V w proportionate to the product of a terminal voltage V of the lamp and an output voltage V 1 of said current detection sensor; a square root circuit for generating a voltage V 2 proportionate to the square root of the control voltage V 1 ; an error amplifier circuit for controlling an error to the minimum by comparing the output voltage V w of said multiplication circuit and the output voltage V 2 of said square root circuit; and a constant voltage power source unit for supplying an electric power to the filament lamp, the unit being connected to an output terminal of the error amplifier circuit, wherein the light quantity of the lamp is controlled by controlling the control voltage.