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    • 2. 发明授权
    • Position control apparatus and method for table member
    • 台面位置控制装置及方法
    • US06809460B2
    • 2004-10-26
    • US10196108
    • 2002-07-16
    • Takuji OkamotoEiichi YanagiMasaharu SuzukiYoshifumi Nishimoto
    • Takuji OkamotoEiichi YanagiMasaharu SuzukiYoshifumi Nishimoto
    • H02N200
    • F16H25/2003B23Q5/40B23Q11/0014
    • There is provided a position control apparatus and method for a table member which is capable of controlling the positioning of the table through very small displacement thereof, to thereby prevent the position of the table from deviating even when a disturbance such as vibration is applied to the table. A table member is movable relative to the base member in a predetermined direction. A threaded shaft is rotatably mounted on a base member and elastically deformable when twisted. A motor is coupled to one end of the threaded shaft, for rotating the threaded shaft to displace the table member. A pressurizing and fixing member is arranged in the vicinity of a location where the motor is coupled to the threaded shaft, for pressurizing the threaded shaft to be fixed in position.
    • 提供了一种用于台面构件的位置控制装置和方法,该位置控制装置和方法能够通过非常小的位移来控制工作台的位置,从而即使当诸如振动的扰动施加到桌面上时也能防止工作台的位置偏离 表。 工作台构件可相对于基座构件在预定方向上移动。 螺纹轴可旋转地安装在基座构件上并且当扭曲时可弹性变形。 电动机联接到螺纹轴的一端,用于旋转螺纹轴以移动工作台构件。 加压固定部件设置在电动机与螺纹轴联接的位置附近,用于加压被固定在位的螺纹轴。
    • 3. 发明授权
    • Lens meter utilizing three different wavelengths
    • 镜头仪采用三种不同的波长
    • US5847819A
    • 1998-12-08
    • US845025
    • 1997-04-21
    • Eiichi Yanagi
    • Eiichi Yanagi
    • G01M11/02G01B9/00
    • G01M11/0214G01M11/0207G01M11/0228
    • A lens meter is provided which includes a light source portion (1) which emits measuring light (P) having at least three different wavelengths; a light receiving portion (3) which receives the measuring light (P) which has passed through a to-be-inspected lens immersed in a liquid (12) as a medium; an in-medium optical characteristic measuring device for measuring an optical characteristic of the lens (13) in the medium about each wavelength, based on a deviated quantity of the measuring light detected by the light receiving portion (3); a refractive index calculating device for calculating a refractive index of material of the lens (13), based on a difference of the optical characteristic of the lens in the medium among the wavelengths; and a converting device for converting the optical characteristic of the lens (13) in the medium into an optical characteristic of the lens (13) in the air, based on the refractive index calculated by the refractive index calculating device.
    • 提供了一种透镜计,其包括发射具有至少三个不同波长的测量光(P)的光源部分(1) 受光部(3),其容纳已经通过浸在作为介质的液体(12)中的被检查透镜的测量光(P); 基于由所述光接收部分(3)检测到的测量光的偏离量来测量所述介质中围绕每个波长的透镜(13)的光学特性的介质内光学特征测量装置; 折射率计算装置,用于根据所述介质中的所述透镜的所述光学特性的差异来计算所述透镜(13)的材料的折射率; 以及转换装置,用于基于由折射率计算装置计算的折射率,将介质中的透镜(13)的光学特性转换成空气中的透镜(13)的光学特性。
    • 4. 发明申请
    • Non-contact type tonometer
    • 非接触式眼压计
    • US20090030299A1
    • 2009-01-29
    • US12219590
    • 2008-07-24
    • Tomoko NaitoEiichi YanagiHideo Sagehashi
    • Tomoko NaitoEiichi YanagiHideo Sagehashi
    • A61B3/16
    • A61B3/165
    • A non-contact type tonometer includes a air injector for blowing air to a cornea of a subject's eye along a reference axis to deform the cornea, a projection optical system for projecting projection light onto the subject's eye, a light-receiving optical system for receiving reflected light which is projected from the projection optical system and reflected on the subject's eye, an alignment unit for positioning the projection optical system and the light-receiving optical system in the direction of the reference axis based on a light amount of the reflected light which is received by the light-receiving optical system and an intraocular pressure detector for detecting a deformation of the cornea based on the reflected light amount. The projection optical system includes a light flux shape regulator which regulates the projection light such that the projection light has a non-circular shape extending in a predetermined direction.
    • 非接触型眼压计包括:空气喷射器,用于沿着参考轴将空气吹送到被检眼的角膜以使角膜变形;投影光学系统,用于将投影光投射到被检眼上;光接收光学系统,用于接收 基于反射光的光量,从投影光学系统投影并在物体的眼睛上反射的反射光,用于将投影光学系统和受光光学系统沿基准轴的方向定位的对准单元, 由光接收光学系统和眼内压检测器接收,用于基于反射光量检测角膜的变形。 投影光学系统包括光束形状调节器,其调节投影光,使得投影光具有沿预定方向延伸的非圆形形状。
    • 5. 发明申请
    • Positioning device
    • 定位装置
    • US20050005722A1
    • 2005-01-13
    • US10880524
    • 2004-07-01
    • Yoshifumi NishimotoEiichi YanagiAkira Moriya
    • Yoshifumi NishimotoEiichi YanagiAkira Moriya
    • H02N2/00F16H19/00H01L21/68F16H1/04
    • F16H19/04H01L21/68H02N2/126Y10T74/1967
    • A positioning device according to the present invention includes a movable body; a position detection unit detecting a position of the movable body; a first and a second vibratory actuator controlled in accordance with a detection output from the position detection unit; a first transmission mechanism comprising a first gear wheel and a first rack engaging the first gear wheel, the first transmission mechanism transmitting a driving force of the first vibratory actuator to the movable body; and a second transmission mechanism comprising a second gear wheel and a second rack engaging the second gear wheel, the second transmission mechanism transmitting a driving force of the second vibratory actuator to the movable body. An engaging position of the first gear wheel with the first rack is different from an engaging position of the second gear wheel with the second rack.
    • 根据本发明的定位装置包括:移动体; 位置检测单元,检测可移动体的位置; 根据位置检测单元的检测输出控制第一和第二振动致动器; 第一传动机构,包括第一齿轮和与第一齿轮接合的第一齿条,第一传动机构将第一振动致动器的驱动力传递到可移动体; 以及第二传动机构,其包括与所述第二齿轮接合的第二齿轮和第二齿条,所述第二传动机构将所述第二振动致动器的驱动力传递到所述可移动体。 第一齿轮与第一齿条的接合位置与第二齿轮与第二齿条的接合位置不同。
    • 9. 发明授权
    • Lens meter
    • 镜头表
    • US06236453B1
    • 2001-05-22
    • US09313663
    • 1999-05-18
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • Yukio IkezawaEiichi YanagiYasufumi FukumaTakeyuki Kato
    • G01B900
    • G01M11/0235
    • A lens meter is provided which comprises a light source for generation of a measuring light beam and a pattern forming plate provided in an optical path of the measuring light beam. The pattern forming plate has a central pattern for measuring lens characteristics of a narrow area on an eyeglass lens and a plurality of peripheral patterns for measuring lens characteristics of a wide area on the eyeglass lens. The pattern forming plate can be switched between a normal measuring mode which receives the image of the central pattern based on the measuring light beam transmitted through the narrow area of the eyeglass lens and also measures the narrow area alone and displays the measured values and a wide-area measuring mode which receives a great number of images of the peripheral patterns based on the measuring light beam transmitted through the wide area of the eyeglass lens and also measures the wide area and performs mapping display.
    • 提供一种透镜计,其包括用于产生测量光束的光源和设置在测量光束的光路中的图案形成板。 图案形成板具有用于测量眼镜镜片上的窄区域的透镜特性的中心图案和用于测量眼镜镜片上的广泛区域的透镜特性的多个外围图案。 图案形成板可以在基于透过​​眼镜镜片的狭窄区域的测量光束接收中心图案的图像的正常测量模式之间切换,并且还单独测量窄区域并显示测量值和宽 - 测量模式,其基于通过眼镜透镜的广泛区域传输的测量光束接收大量的外围图案的图像,并且还测量广域并执行映射显示。