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    • 3. 发明授权
    • Ophthalmologic photographing apparatus
    • 眼科拍摄设备
    • US08939581B2
    • 2015-01-27
    • US13419227
    • 2012-03-13
    • Motoya TakaiKyoji SekiguchiHajime Nakajima
    • Motoya TakaiKyoji SekiguchiHajime Nakajima
    • A61B3/14A61B3/10A61B3/12A61B3/18
    • A61B3/12A61B3/14A61B3/185
    • An ophthalmologic photographing apparatus includes an optical system, a pedestal, an auxiliary lens configured to be able to be inserted into and retracted from the optical system, a focusing lens, a focusing lens driving unit configured to move the focusing lens along an optical axis, a pedestal position detection unit configured to detect that the pedestal is away from the subject's eye by a predetermined distance, an auxiliary lens insertion detection unit configured to detect that the auxiliary lens is inserted into the optical system, a storage unit configured to store a position of the focusing lens, and a control unit configured to cause the focusing lens driving unit to move the focusing lens to a predetermined position stored in the storage unit based on outputs from the pedestal position detection unit and the auxiliary lens insertion detection unit.
    • 一种眼科摄影装置,包括光学系统,基座,配置成能够插入到光学系统和从光学系统缩回的辅助透镜;聚焦透镜,配置成沿着光轴移动聚焦透镜的聚焦透镜驱动单元, 基座位置检测单元,被配置为检测所述基座远离所述被检眼的预定距离;辅助透镜插入检测单元,被配置为检测所述辅助透镜插入到所述光学系统中;存储单元,被配置为存储位置 以及控制单元,其被配置为基于来自所述基座位置检测单元和所述辅助透镜插入检测单元的输出使所述聚焦透镜驱动单元将所述聚焦透镜移动到存储在所述存储单元中的预定位置。
    • 4. 发明授权
    • Ophthalmic apparatus
    • 眼科仪器
    • US08752962B2
    • 2014-06-17
    • US12831137
    • 2010-07-06
    • Shigeaki OnoMasao ShikaumiKyoji SekiguchiKoji Uchida
    • Shigeaki OnoMasao ShikaumiKyoji SekiguchiKoji Uchida
    • A61B3/10A61B3/14A61B3/12A61B3/00
    • A61B3/12A61B3/0008A61B3/1225A61B3/14A61B3/152
    • When the fundus camera is positioned on the same side as the subject's eye relative to an appropriate position (front-focus state), the positioning index light source turned on in blue produces most-focused positioning index images. The positioning index light sources become more blurred in order of green and red. When the camera is positioned on the opposite side of the subject's eye relative to the appropriate position (rear-focus state), the positioning index light source turned on in red produces most-focused images. The positioning index light sources become more blurred in order of green and blue. Based on a degree of the blur of the individual positioning index images in red, green, and blue reflected by the cornea of the subject's eye, the calculation unit calculates whether to move the camera body closer to or farther away from the subject's eye and allows the display unit to display the information.
    • 当眼底相机相对于适当的位置(前焦点状态)位于与被检者的眼睛相同的一侧时,以蓝色打开的定位指示光源产生最集中的定位索引图像。 定位指标光源以绿色和红色的顺序变得更加模糊。 当相机相对于适当的位置(后焦点状态)将相机定位在被摄体眼睛的相对侧时,以红色打开的定位索引光源产生最聚焦的图像。 定位指标光源以绿色和蓝色的顺序变得更加模糊。 基于由被检者的眼睛的角膜反射的红色,绿色和蓝色的各个定位索引图像的模糊度,计算单元计算是否将相机机体移动到离被摄体的眼睛更远或更远的位置,并允许 显示单元显示信息。
    • 7. 发明申请
    • OPHTHALMOLOGIC PHOTOGRAPHING APPARATUS
    • 眼科摄影装置
    • US20120169996A1
    • 2012-07-05
    • US13419227
    • 2012-03-13
    • Motoya TakaiKyoji SekiguchiHajime Nakajima
    • Motoya TakaiKyoji SekiguchiHajime Nakajima
    • A61B3/15
    • A61B3/12A61B3/14A61B3/185
    • An ophthalmologic photographing apparatus includes an optical system, a pedestal, an auxiliary lens configured to be able to be inserted into and retracted from the optical system, a focusing lens, a focusing lens driving unit configured to move the focusing lens along an optical axis, a pedestal position detection unit configured to detect that the pedestal is away from the subject's eye by a predetermined distance, an auxiliary lens insertion detection unit configured to detect that the auxiliary lens is inserted into the optical system, a storage unit configured to store a position of the focusing lens, and a control unit configured to cause the focusing lens driving unit to move the focusing lens to a predetermined position stored in the storage unit based on outputs from the pedestal position detection unit and the auxiliary lens insertion detection unit.
    • 一种眼科摄影装置,包括光学系统,基座,配置成能够插入到光学系统和从光学系统缩回的辅助透镜;聚焦透镜,配置成沿着光轴移动聚焦透镜的聚焦透镜驱动单元, 基座位置检测单元,被配置为检测所述基座远离所述被检眼的预定距离;辅助透镜插入检测单元,被配置为检测所述辅助透镜插入到所述光学系统中;存储单元,被配置为存储位置 以及控制单元,其被配置为基于来自所述基座位置检测单元和所述辅助透镜插入检测单元的输出使所述聚焦透镜驱动单元将所述聚焦透镜移动到存储在所述存储单元中的预定位置。
    • 9. 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。
    • 10. 发明申请
    • OPHTHALMIC APPARATUS
    • 眼镜装置
    • US20110007274A1
    • 2011-01-13
    • US12831137
    • 2010-07-06
    • Shigeaki OnoMasao ShikaumiKyoji SekiguchiKoji Uchida
    • Shigeaki OnoMasao ShikaumiKyoji SekiguchiKoji Uchida
    • A61B3/15
    • A61B3/12A61B3/0008A61B3/1225A61B3/14A61B3/152
    • When the fundus camera is positioned on the same side as the subject's eye relative to an appropriate position (front-focus state), the positioning index light source turned on in blue produces most-focused positioning index images. The positioning index light sources become more blurred in order of green and red. When the camera is positioned on the opposite side of the subject's eye relative to the appropriate position (rear-focus state), the positioning index light source turned on in red produces most-focused images. The positioning index light sources become more blurred in order of green and blue. Based on a degree of the blur of the individual positioning index images in red, green, and blue reflected by the cornea of the subject's eye, the calculation unit calculates whether to move the camera body closer to or farther away from the subject's eye and allows the display unit to display the information.
    • 当眼底相机相对于适当的位置(前焦点状态)位于与被检者的眼睛相同的一侧时,以蓝色打开的定位指示光源产生最集中的定位索引图像。 定位指标光源以绿色和红色的顺序变得更加模糊。 当相机相对于适当的位置(后焦点状态)将相机定位在被摄体眼睛的相对侧时,以红色打开的定位索引光源产生最聚焦的图像。 定位指标光源以绿色和蓝色的顺序变得更加模糊。 基于由被检者的眼睛的角膜反射的红色,绿色和蓝色的各个定位索引图像的模糊度,计算单元计算是否将相机机体移动到离被摄体的眼睛更远或更远的位置,并允许 显示单元显示信息。