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    • 122. 发明授权
    • Ophthalmic measuring apparatus
    • 眼科测量仪器
    • US5365286A
    • 1994-11-15
    • US829276
    • 1992-02-03
    • Takashi Masuda
    • Takashi Masuda
    • A61B3/10A61B3/11G02C13/00
    • A61B3/111G02C13/005
    • An ophthalmic measuring apparatus includes a device for measuring the distance from a certain point (such as the center of the other of right and left spectacle lenses or the bridge position of the lenses) to the center of the lenses on the basis of the amount of displacement of a spectacle lens contacting member, and a device for measuring the distance from a certain point (such as the center of the pupil of the other of right and left eyes to be examined or the nose position) to the center of the pupil on the basis of the amount of displacement of an observation system for observing the front eye parts of the eyes to be examined therethrough.
    • 一种眼科测量装置,包括:用于根据眼睛的量的距离来测量从某一点(例如左眼镜片和左眼镜片的另一个的中心或透镜的桥位置)到透镜中心的距离的装置 眼镜片接触构件的位移,以及用于测量距离瞳孔中心的某一点(例如待检查的左眼和左眼的另一个的瞳孔的中心或鼻子位置)的距离的装置 用于观察要通过其检查的眼睛的前眼部分的观察系统的位移量的基础。
    • 124. 发明授权
    • Belt for high load transmission
    • 皮带用于高负载传输
    • US4950212A
    • 1990-08-21
    • US235162
    • 1988-08-23
    • Takashi MasudaKengiro HashimotoShinichi TakagiMasayuki Tanaka
    • Takashi MasudaKengiro HashimotoShinichi TakagiMasayuki Tanaka
    • F16G5/16F16G1/22
    • F16G5/16F16G5/166
    • A power transmission belt having longitudinally spaced pairs of blocks on the opposite surfaces of a neutral belt portion thereof. The blocks are formed of hard synthetic resin materials having fibers distributed therein. The fibers may be provided in the form of distributed short fibers, fabrics, and one or more different types of fibers may be utilized in the respective blocks. The fibers include carbon fibers, aramid fibers, and silicon carbide fibers. The neutral belt is provided with longitudinally spaced projections on the upper and lower surfaces thereof and the blocks are provided with complementary recesses receiving the projections. The recesses are preferably deeper than the height of the projections, whereby the distal surfaces of the blocks may be urged with high frictional engagement against the flat surfaces of the neutral belt. The blocks are resiliently clamped to the neutral belt and the clamping forces are urged through the neutral belt to the tensile cord carried therein for further improved stabilization of the blocks on the neutral belt.
    • 一种动力传动带,在其中性带部分的相对表面上具有纵向隔开的一对块块。 这些块由具有分布在其中的纤维的硬质合成树脂材料形成。 纤维可以以分布的短纤维,织物的形式提供,并且一个或多个不同类型的纤维可以用于各个块中。 纤维包括碳纤维,芳族聚酰胺纤维和碳化硅纤维。 中性带在其上表面和下表面上设置有纵向间隔的突起,并且块设置有接收突起的互补凹部。 凹部优选地比突起的高度更深,由此可以以与中立带的平坦表面高摩擦接合的方式推动块的远侧表面。 这些块被弹性地夹紧到中性带上,并且夹紧力被推动通过中性带到其上承载的拉力绳,以进一步改善中性带上的块的稳定性。
    • 125. 发明授权
    • Slit projection apparatus
    • 狭缝投影仪
    • US4894670A
    • 1990-01-16
    • US145408
    • 1988-01-19
    • Takashi Masuda
    • Takashi Masuda
    • A61B3/12A61B3/135
    • A61B3/135
    • A slit projection apparatus has slit light beam forming means and a projection optical system for projecting a slit image onto an object to be examined. The projection optical system is provided with a light deflecting member rotatable so as to form a predetermined elevation angle, and a lens system having a predetermined focal length corresponding to the angle of rotation of the light deflecting member so as to compensate for the optical path difference conforming to said angle of rotation and including a lens having at least a portion thereof movable in the direction of the optic axis while keeping a predetermined spacing with respect to the light deflecting member.
    • 狭缝投影装置具有狭缝光束形成装置和用于将狭缝图像投影到被检体上的投影光学系统。 投影光学系统设置有可旋转以形成预定仰角的光偏转构件,以及具有与光偏转构件的旋转角对应的预定焦距的透镜系统,以补偿光路差 符合所述旋转角度并且包括其透镜的至少一部分在光轴的方向上可移动,同时保持相对于光偏转构件的预定间隔。
    • 126. 发明授权
    • Cornea shape measuring method and apparatus
    • 角膜形状测量方法和装置
    • US4660946A
    • 1987-04-28
    • US734234
    • 1985-05-14
    • Yukitugu NakamuraTakashi MasudaKyoji Sekiguchi
    • Yukitugu NakamuraTakashi MasudaKyoji Sekiguchi
    • A61B3/103A61B3/107A61B3/10
    • A61B3/107A61B3/1035
    • A method and apparatus in which a predetermined index is projected onto the cornea of an eye to be examined and the shape of the cornea determining the refractive power, the degree of astigmatism, the direction of astigmatic axis, etc. of the cornea is measured from the general elliptical shape of the image of the index reflected by the cornea. Independently of the center of the ellipse, arbitrary position coordinates of at least five points of the image reflected by the cornea are detected, whereby the elliptical shape is calculated without enhancing the alignment accuracy in a plane perpendicular to the optical axis. The image reflected by the cornea may be electrically detected by position detects such as CCDs, whereby automation of the measurement is provided, coupled with the later signal processing. A strobo light is used for the projection of the index. Further, the shape of the cornea is obtained so that no measurement error may occur depending on a variation in operating distance, that is, without enhancing the positional accuracy in the direction of the optical axis.
    • 将预定指数投影到要检查的眼睛的角膜上并且确定角膜的屈光度,散光程度,散光轴方向等的角膜的形状的方法和装置,其从 由角膜反映的指标的一般椭圆形状。 独立于椭圆的中心,检测由角膜反射的图像的至少五个点的任意位置坐标,从而在不增加垂直于光轴的平面中的对准精度的情况下计算椭圆形状。 由角膜反射的图像可以通过诸如CCD的位置检测来电检测,由此提供测量的自动化,并与随后的信号处理相结合。 指示灯的投影使用闪光灯。 此外,获得角膜的形状,使得根据操作距离的变化,即不增加光轴方向的位置精度,不会发生测量误差。