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    Fundus camera
    1.
    发明授权
    Fundus camera 有权
    眼底相机

    公开(公告)号：US07837329B2

    公开(公告)日：2010-11-23

    申请号：US12415547

    申请日：2009-03-31

    Applicant: Masayuki Yoshino ,  Yoshiaki Mimura ,  Akira Tawada ,  Naoki Ichikawa

    Inventor： Masayuki Yoshino ,  Yoshiaki Mimura ,  Akira Tawada ,  Naoki Ichikawa

    IPC: A61B3/14

    CPC classification number: A61B3/14

    Abstract: A fundus camera favorably performing focusing on a fundus of an examinee's eye without a black dot plate in a target projection optical system comprises an illumination optical system comprising a light source and an objective lens, a photographing optical system comprising a focusing lens movable in the optical axis direction and a diopter correction lens to correct a diopter of severe ametropia, a first moving mechanism comprising a first driving unit moving the focusing lens, a focus detection optical system comprising a projection optical system comprising a light source and a photo-receiving optical system comprising a photodetector, a second moving mechanism comprising a second driving unit moving a part of the detection optical system including at least one of the projection light source and the photodetector in the optical axis direction, a monitor, and a control unit controlling the second unit in conjunction with movement of the focusing lens.

    Abstract translation: 在目标投影光学系统中没有黑点板的情况下，有利地执行聚焦在受检者的眼底的眼底相机包括包括光源和物镜的照明光学系统，包括可在光学器件中移动的聚焦透镜的拍摄光学系统 以及用于校正严重屈光度的屈光度的屈光度校正透镜，包括移动聚焦透镜的第一驱动单元的第一移动机构，包括投影光学系统的焦点检测光学系统，所述投影光学系统包括光源和光接收光学系统 包括光电检测器，第二移动机构，包括第二驱动单元，其将包括所述投影光源和所述光电检测器中的至少一个在所述光轴方向上移动的所述检测光学系统的一部分移动;监视器，以及控制所述第二单元 结合聚焦透镜的移动。

    Fundus camera
    4.
    发明申请
    Fundus camera 失效
    眼底相机

    公开(公告)号：US20050225722A1

    公开(公告)日：2005-10-13

    申请号：US11063840

    申请日：2005-02-23

    Applicant: Akira Tawada ,  Setsuo Saito

    Inventor： Akira Tawada ,  Setsuo Saito

    IPC: A61B3/14 ,  A61B3/15

    CPC classification number: A61B3/156 ,  A61B3/152

    Abstract: A fundus camera capable of favorably obtaining a photographed fundus image and an observation fundus image, has an optical system having an objective lens and a diaphragm at a conjugate position with a pupil relative to the lens, for performing visible photographing and infrared observation via the lens and an aperture of the diaphragm, an optical system for illumination with visible and infrared light via the lens, a first plate, with a first black dot to cover an aperture image and at a conjugate position on an optical path with a position where a virtual image is formed relative to a lens surface reflecting the visible light, and a second plate, with a second black dot to cover an aperture image and in the vicinity of a conjugate position on the path with a position where a virtual image is formed relative to the surface reflecting the infrared light.

    Abstract translation: 能够有利地获得拍摄的眼底图像和观察眼底图像的眼底照相机具有在与瞳孔相对于透镜的共轭位置处具有物镜和光阑的光学系统，用于经由透镜进行可见摄影和红外观察 以及光阑的孔径，用于通过透镜可见光和红外光照明的光学系统，第一板，具有第一黑点以覆盖孔径图像，并且在光路上的共轭位置处具有虚拟 相对于反射可见光的透镜表面形成图像，第二平板具有第二黑点以覆盖孔径图像并且在路径上的共轭位置附近具有相对于虚拟图像形成的位置 表面反射红外光。

    Fundus photographing apparatus
    5.
    发明申请
    Fundus photographing apparatus 有权
    眼底摄影设备

    公开(公告)号：US20110001929A1

    公开(公告)日：2011-01-06

    申请号：US12801913

    申请日：2010-07-01

    Applicant: Akira Tawada

    Inventor： Akira Tawada

    IPC: A61B3/15

    CPC classification number: A61B3/12

    Abstract: A fundus photographing apparatus has an optical system including a movable focusing lens and photographing a fundus, an optical system photo-receiving by a first image pickup element a target from an alignment target projection optical system and detect an alignment state of the photographing optical system with respect to an eye based on a result by the first element, a detection optical system photo-receiving by a second image pickup element a target from a focus target projection optical system and detect a focus state adjusted by moving the lens based on a photo-receiving result by the second element, a unit controlling a light source to successively emit flash light at predetermined intervals in a predetermined period to perform fluorescent photographing, and a unit controlling movement of the photographing optical system with respect to the eye based on a result by the alignment detection optical system during the predetermined period.

    Abstract translation: 眼底摄影装置具有包括可移动聚焦透镜和拍摄眼底的光学系统，由对准目标投影光学系统的第一图像拾取元件对目标进行光学接收的光学系统，并且检测拍摄光学系统的对准状态， 基于第一元素的结果，基于由第二图像拾取元件从聚焦目标投影光学系统对目标进行光接收的检测光学系统，并且检测通过基于光电转换器移动透镜而调整的聚焦状态， 通过第二元件接收结果，控制光源的单元在预定周期内以预定间隔连续地发射闪光，以执行荧光拍摄;以及单元，基于结果，控制摄影光学系统相对于眼睛的移动 在预定时段内的对准检测光学系统。

    Lactosamine oligosaccharide and method for producing the same
    6.
    发明授权
    Lactosamine oligosaccharide and method for producing the same 有权
    乳糖胺寡糖及其制造方法

    公开(公告)号：US06365733B1

    公开(公告)日：2002-04-02

    申请号：US09616341

    申请日：2000-07-14

    Applicant: Akira Tawada ,  Keiichi Yoshida

    Inventor： Akira Tawada ,  Keiichi Yoshida

    IPC: C08B3700

    CPC classification number: C12P19/26 ,  C07H13/06

    Abstract: A method for producing an N-acetyllactosamine oligosaccharide, comprising the steps of: adjusting a sulfate group content of keratan sulfate; allowing an enzyme having an ability to cleave a glycosidic linkage of keratan sulfate to act on the keratan sulfate with the adjusted sulfate group content to obtain a sulfated N-acetyllactosamine oligosaccharide; and completely desulfating said sulfated N-acetyllactosamine oligosaccharide.

    Abstract translation: 一种N-乙酰基乳糖胺寡糖的制造方法，其特征在于，包括：调整硫酸角质素的硫酸基含量;使具有切割硫酸角质素糖苷键的能力的酶作用于硫酸角质素，调节硫酸根基含量 得到硫酸化N-乙酰乳糖胺寡糖; 并完全脱硫所述硫酸化N-乙酰乳糖胺寡糖。

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