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    • 11. 发明申请
    • OPHTHALMOLOGICAL INSTRUMENT
    • 眼科仪器
    • WO1989006930A1
    • 1989-08-10
    • PCT/JP1989000097
    • 1989-01-31
    • KABUSHIKI KAISHA TOPCONKATSURAGI, Kenjirou
    • KABUSHIKI KAISHA TOPCON
    • A61B03/16
    • A61B3/165A61B3/107A61B3/152
    • This invention is intended to provide an ophthalmological instrument capable of measuring in a non-contact way the intraocular pressure of an eye to be examined and capable of measuring the radius of curvature of the cornea of the eye to be examined. The ophthalmological instrument of the invention can measure both the intraocular pressure and the shape of the cornea with a single set of apparatus without using a dedicated ophthalmological instrument for each measurement as has been employed in the prior art technique. The instrument of the invention includes non-contact type intraocular pressure measurement means for measuring the intraocular pressure of the eye to be examined by ejecting fluid onto the cornea of the eye and means for measuring the radius of curvature of cornea by projecting a predetermined index to the cornea of the eye to be examined and measuring the radius of curvature on the basis of the cornea reflection image of the index, whereby both means are assembled integrally in the apparatus.
    • 本发明旨在提供一种眼科仪器,其能够以非接触方式测量被检眼睛的眼内压并能够测量待检眼睛的角膜的曲率半径。 本发明的眼科仪器可以用单组装置测量眼内压和角膜的形状,而不用如现有技术中已经采用的用于各种测量的专用眼科仪器。 本发明的仪器包括非接触式眼内压测量装置,用于通过将流体喷射到眼睛的角膜上来测量要检查的眼睛的眼内压,并且用于通过将预定指数投影到眼睛的角度来测量角膜的曲率半径 要检查的眼睛的角膜,并且基于指数的角膜反射图像测量曲率半径,由此两个装置被整体地组​​装在装置中。
    • 12. 发明申请
    • METHOD AND APPARATUS FOR MEASUREMENT AND CORRECTION OF REFRACTIVE POWER DISTRIBUTION DATA
    • 用于测量和校正电力分配数据的方法和装置
    • WO2004019771A1
    • 2004-03-11
    • PCT/JP2003/010690
    • 2003-08-25
    • KABUSHIKI KAISHA TOPCONYAMAGUCHI, TatsuoMAEDA, NaoyukiMIHASHI, ToshifumiHIROHARA, Yoko
    • YAMAGUCHI, TatsuoMAEDA, NaoyukiMIHASHI, ToshifumiHIROHARA, Yoko
    • A61B3/10
    • A61B3/1015
    • Optical performance in a case where not only higher order aberrations but also lower order aberrations are added, are evaluated, lower order aberration quantities in which for example, a Strehi ratio is large and/or a phase shift is decreased, is calculated, and correction data, such as S, C and A, at that time is obtained, so that a result closer to a subjective value is obtained. An arithmetic part receives measurement data indicating a refractive power distribution of a subject eye and obtains lower order aberrations and higher order aberrations on the basis of the measurement data (S401, S403). The arithmetic part judges whether the higher order aberrations have a specified value or higher (S405). The arithmetic part changes, in a case where the higher order aberrations have the specified values or higher, lower order aberration quantities corresponding to the higher order aberrations having the specified values or higher, obtains appropriate correction data suitable for the subject eye (S407 to S417), and obtains the correction data (S419).
    • 在不仅增加高阶像差而且增加低阶像差的情况下的光学性能被评估,计算例如Strehi比大和/或相移减小的较低阶像差量,并且校正 得到此时的数据S,C和A,从而获得更接近主观值的结果。 算术部件接收表示被检眼的屈光度分布的测定数据,根据测定数据求出低阶像差和高阶像差(S401,S403)。 运算部判定高阶像差是否具有规定值以上(S405)。 在高阶像差具有指定值或更高的情况下,运算部分改变与具有指定值或更高值的较高阶像差对应的低阶像差量,获得适合于被检眼的适当校正数据(S407至S417 ),并获得校正数据(S419)。
    • 14. 发明申请
    • APPARATUS FOR REFERENCE LASER LEVEL SETTING
    • 参考激光水平设置的装置
    • WO1996037755A1
    • 1996-11-28
    • PCT/JP1996001325
    • 1996-05-20
    • KABUSHIKI KAISHA TOPCONSHIBUYA, HirotoADEGAWA, Toshikazu
    • KABUSHIKI KAISHA TOPCON
    • G01C15/00
    • G01C15/002E03F3/06
    • An apparatus for reference laser level setting, which has a simple structure to automatically adjust a laser beam in both transverse and vertical directions and measure an angle of inclination. The apparatus comprises a laser focusing device and a target. The target has a reflection surface for indicating a predetermined position on the target, and the laser focusing device comprises a laser oscillator including laser beam emission means rotatably supported and means for receiving a reflected laser beam; a driving device for rotating at least the laser beam emission means of the laser oscillator; and a control portion for directing the laser beam to the predetermined position of the target in accordance with the reception state of the reflected laser beam from the reflection surface of the target.
    • 一种用于参考激光水平设定的装置,其具有在横向和垂直方向上自动调节激光束的简单结构并测量倾斜角度。 该装置包括激光聚焦装置和靶。 目标具有用于指示目标上的预定位置的反射表面,并且激光聚焦装置包括激光振荡器,其包括可旋转地支撑的激光束发射装置和用于接收反射的激光束的装置; 用于至少旋转激光振荡器的激光束发射装置的驱动装置; 以及控制部分,用于根据来自目标的反射表面的反射激光束的接收状态将激光束引导到目标的预定位置。
    • 15. 发明申请
    • AUTOMATIC INCLINATION ANGLE COMPENSATOR
    • 自动倾斜角度补偿器
    • WO1994011704A1
    • 1994-05-26
    • PCT/JP1993001645
    • 1993-11-11
    • KABUSHIKI KAISHA TOPCONOHTOMO, FumioSUGAI, HirooISHINABE, IkuoYAMAZAKI, TakaakiKODAIRA, Junichi
    • KABUSHIKI KAISHA TOPCON
    • G01C05/02
    • G01C15/105G01C5/02G01C9/20G02B27/64
    • The compensator is used for an equipment which requires verticality or horizontality. The compensator comprises a sealed liquid container (4) in which transparent liquid is sealed in such a way that the liquid has a free surface (1); a light projecting system (5 and 6) for projecting a light beam to the free surface at a given angle, the beam being totally reflected at the free surface; and an optical system arranged in a required position in the optical path of the totally reflected light beam outside the sealed liquid container so that the variation of the reflection angle to the optical axis corresponding to the variation of the incident angle to the optical axis is equalized in all the directions. When the sealed liquid container is inclined and consequently the incident angle of the light beam to the free surface varies relatively, the sensitivity depending on the variation of the reflection angle is optically compensated.
    • 补偿器用于需要垂直度或水平度的设备。 补偿器包括密封液体容器(4),其中透明液体以液体具有自由表面(1)的方式被密封; 用于以给定角度将光束投射到自由表面的光投射系统(5和6),所述光束在自由表面处被完全反射; 以及配置在密封容器外侧的全反射光束的光路中的所需位置的光学系统,使得与光轴的入射角的变化对应的与光轴的反射角的变化相等 在所有方向。 当密封的液体容器倾斜并且因此光束到自由表面的入射角相对变化时,根据反射角的变化的灵敏度被光学补偿。
    • 17. 发明申请
    • METHOD OF TRIDIMENSIONAL MEASURING, REFERENCE SCALE AND SELF-ILLUMINATING REFERENCE SCALE FOR TRIDIMENSIONAL MEASURING
    • 三维测量方法,三维测量的参考尺寸和自照射参考尺寸
    • WO1991018258A1
    • 1991-11-28
    • PCT/JP1991000663
    • 1991-05-17
    • KABUSHIKI KAISHA TOPCONISAWA, NobuoSAKIMURA, RitsuoKATSUME, Keikoku
    • KABUSHIKI KAISHA TOPCON
    • G01B11/00
    • G01S17/06G01C1/02G01C15/00G01C15/002G01C15/06
    • According to the present invention, an observing machine is set at an observing point and collimation targets are disposed at three fixed points. By collimating the three fixed points from the observing machine, horizontal angles and height angles of three types are measured, respectively, and equations of error about the horizontal angles, height angles, distances between the three fixed points and straightnesses between the fixed points are established from these observed data. First, approximate values are obtained from the observed data, and further, by utilizing the method of least squares, the positions of the respective points can be obtained in details. Furthermore, by collimating the three fixed points and points to be sought from the observing machine, the horizontal angles and the height angles of three types are measured, respectively, so that the positions of the points can be obtained in details. Further, by forming three targets on a subtense bar at predetermined distances, at least the positions of the points can be obtained from the observation of the distances between the three points. Furthermore, by setting the observing machine at a known observing point and by positioning a measuring portion specified by the three fixed points at the point to be sought, collimation targets can be disposed at the three fixed points. By collimating the three fixed points from the observing machine, the positions of the three fixed points can be obtained in details. Further, by forming a measuring end portion at the forward end portion of a reference scale, a position of the measuring point can be obtained even when the measuring point cannot be directly observed from the outside. Furthermore, since a plurality of targets are formed of photoconductive optical material such that the internal light is emitted as a diffused flux of light, collimation can be easily performed even in a relatively dark place.
    • 19. 发明专利
    • 外觀檢查方法及其裝置 INSPECTING METHOD AND APPARATUS THEREOF
    • 外观检查方法及其设备 INSPECTING METHOD AND APPARATUS THEREOF
    • TW200622234A
    • 2006-07-01
    • TW094145021
    • 2005-12-19
    • 拓普康股份有限公司 KABUSHIKI KAISHA TOPCON
    • 秋元茂行 AKIMOTO, SHIGEYUKI
    • G01N
    • G01N21/9501G01N21/956G01R31/311
    • 一種可更正確判定缺陷是否在容許內的外觀檢查方法及裝置。藉由與被檢查體11a的圖像21A的檢查區域與樣板(21A)相比較,以判定抽出的缺陷是否在容許內。把檢查區域區分成多個容許度為互不相同的a、b、c不同的區段28a、28b、28c。當檢查區域上抽出的一個缺陷部位27跨容許度互不相同的多個區段28a、28b、28c而存在時,根據缺陷部位27的各缺陷部位部份27a、27b、27c所在位置的該區段28a、28b、28c的容許度a、b、c中被付予最嚴格條件的閥值a,來判定缺陷部位27的缺陷是否在容許內。
    • 一种可更正确判定缺陷是否在容许内的外观检查方法及设备。借由与被检查体11a的图像21A的检查区域与样板(21A)相比较,以判定抽出的缺陷是否在容许内。把检查区域区分成多个容许度为互不相同的a、b、c不同的区段28a、28b、28c。当检查区域上抽出的一个缺陷部位27跨容许度互不相同的多个区段28a、28b、28c而存在时,根据缺陷部位27的各缺陷部位部份27a、27b、27c所在位置的该区段28a、28b、28c的容许度a、b、c中被付予最严格条件的阀值a,来判定缺陷部位27的缺陷是否在容许内。