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    • 81. 发明授权
    • Inverse telescopic wide angle lens
    • 反伸缩广角镜头
    • US5321554A
    • 1994-06-14
    • US118666
    • 1993-09-10
    • Toshiro IshiyamaYoshiyuki Shimizu
    • Toshiro IshiyamaYoshiyuki Shimizu
    • G02B15/16G02B15/177G02B13/04G02B15/14
    • G02B15/161G02B15/177
    • An inverse telescopic wide angle lens comprising:a diaphragm;a front lens group of an integral positive or negative refractive power, positioned in the object side in front of the diaphragm and having a first lens group of a negative refractive power including a negative lens of which an image-side air-contacting surface is formed as an aspherical surface concave to the image side, and a second lens group of a positive refractive power positioned between the first lens group and the diaphragm; anda rear lens group of an integral positive refractive power, positioned behind the diaphragm and having plural lenses;wherein the rear lens group includes a movable lens group consisting of plural lenses which are integrally moved for focusing, wherein the front lens group is fixed, and the focusing is conducted by the movement of the movable lens group alone in such a manner as to vary the rear focal length between the movable lens group and the image plane.
    • 一种逆伸缩广角镜头,包括:隔膜; 位于隔膜前方的物体侧的具有整体的正或负折射光焦度的前透镜组,并且具有包括形成有图像侧空气接触表面的负透镜的负折射光焦度的第一透镜组 作为朝向像侧凹入的非球面,以及位于第一透镜组和隔膜之间的正折光力的第二透镜组; 以及位于隔膜后面并具有多个透镜的整体正屈光力的后透镜组; 其中,所述后透镜组包括由多个透镜组成的可移动透镜组,所述多个透镜被一体地移动用于聚焦,其中所述前透镜组被固定,并且所述聚焦通过所述可移动透镜组的移动以改变的方式进行 可移动透镜组与图像平面之间的后焦距。
    • 82. 发明授权
    • Objective lens for microscope of low magnification
    • 物镜用于低倍率显微镜
    • US4592624A
    • 1986-06-03
    • US670928
    • 1984-11-13
    • Kazuo UshidaMasashi TanakaYoshiyuki Shimizu
    • Kazuo UshidaMasashi TanakaYoshiyuki Shimizu
    • G02B21/02G02B9/12
    • G02B21/02
    • An objective lens for microscope of low magnification is of a two-group structure and is composed, in the order from the object side, of a converging front lens group having a meniscus lens component convex toward the object and a converging rear lens group including a positive lens component having a stronger curvature at the image side and a biconvex lens component. The meniscus lens component in the front lens group is composed of a biconvex positive lens and a biconcave negative lens adhered together at an adhered interface convex toward the image side. The lens surface at the object side of the meniscus lens component of the front lens group is convex toward the object side and has a positive refractive power, while the lens surface at the image side of said meniscus lens component is concave toward the image side and has a negative refractive power.
    • 低倍率显微镜用的物镜为两组结构,从物体侧开始,将具有朝向物体凸出的弯月形透镜部件的会聚前透镜组和会聚后透镜组包括 在像侧具有较强曲率的正透镜部件和双凸透镜部件。 前透镜组中的弯月透镜部件由在朝向图像侧凸出的粘接界面处粘合在一起的双凸正透镜和双凹面负透镜构成。 前透镜组的弯月透镜部件的物体侧的透镜表面朝向物体侧是凸的,具有正折光力,而所述弯月透镜部件的像侧的透镜表面朝向像侧凹入, 具有负屈光力。
    • 83. 发明授权
    • Condenser optical system for a microscope
    • 用于显微镜的冷凝器光学系统
    • US4316653A
    • 1982-02-23
    • US19600
    • 1979-03-12
    • Yoshiyuki Shimizu
    • Yoshiyuki Shimizu
    • G02B19/00G02B21/00G02B21/08G02B9/34G02B9/60
    • G02B21/08
    • A condenser optical system for a microscope comprises, in order from the light ray entrance side, a forward group and a rearward group. The forward group includes a negative lens component and a positive lens component either cemented to or separated from the negative lens component. The rearward group consists of a plurality of lens components and has a totally positive refractive power. The air separation between the forward group and the rearward group is smaller than the total center thickness of the rearward group. The front focus of the rearward group lies in the air separation.The condenser optical system is of high magnification and yet can perform good optical compensation for the light source.
    • 用于显微镜的聚光镜系统包括从光线入射侧开始的顺序为前组和后组。 前组包括胶合到负透镜组件或从负透镜组件分离的负透镜组件和正透镜组件。 后组由多个透镜组件组成并且具有完全正的折射光焦度。 前组与后组之间的空气分离比后组的中心厚度小。 后组的前焦点在于空分。 聚光光学系统具有高放大倍率,但可对光源执行良好的光学补偿。
    • 90. 发明授权
    • Brain disease diagnosis system
    • 脑疾病诊断系统
    • US08676294B2
    • 2014-03-18
    • US13002371
    • 2009-06-19
    • Akihiro KakimotoYoshiyuki ShimizuTsuyoshi KosugiHiroyuki Okada
    • Akihiro KakimotoYoshiyuki ShimizuTsuyoshi KosugiHiroyuki Okada
    • A61B5/05
    • A61B5/0042A61B5/055A61B5/4088A61B6/03G06F19/00G06T7/0012G06T2207/10072G06T2207/30016G16H50/20
    • To perform a more accurate and detailed diagnosis of a brain disease, a diagnosis server of the brain disease diagnosis system for diagnosing a brain disease of an examined person includes: an acquiring unit for acquiring a brain image of the examined person so as to obtain an acquired image; a region setting unit for setting a plurality of regions in the acquired image; an individual index value calculating unit for calculating an individual index value based on a pixel value of the acquired image, in each of the plurality of regions; a whole index value calculating unit for calculating a whole index value by weighting the individual index value of each of the plurality of regions; a diagnosis unit for diagnosing the brain disease of the examined person based on the whole index value; and an output unit for outputting information indicating a diagnosis outcome.
    • 为了进行脑疾病的更准确和详细的诊断,用于诊断被检查人的脑部疾病的脑疾病诊断系统的诊断服务器包括:获取单元,用于获取被检查人的脑图像,以获得被检查者的脑图像 获得形象; 区域设定单元,用于设置所获取的图像中的多个区域; 个体索引值计算单元,用于在所述多个区域中的每一个中基于所获取的图像的像素值来计算各个索引值; 整体索引值计算单元,用于通过对所述多个区域中的每一个的各个索引值进行加权来计算整个索引值; 基于整个指标值诊断被检查人的脑部疾病的诊断单元; 以及输出单元,用于输出指示诊断结果的信息。