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    • 2. 发明专利
    • Optical tomographic imaging apparatus
    • 空值
    • JP5331395B2
    • 2013-10-30
    • JP2008176258
    • 2008-07-04
    • 株式会社ニデック
    • 祥之 山田幸弘 樋口倫全 佐竹寿成 鳥居
    • A61B3/10A61B3/12A61B10/00G01N21/17
    • G01B9/0203A61B3/102G01B9/02044G01B9/02064G01B9/02078G01B9/02083G01B9/02089G01B9/02091G01N21/4795
    • An apparatus has an optical system detecting spectral information and having an optical scanner (23) and a driving unit (50) changing the optical path length by moving an optical member (31), a monitor (75), a control unit (70) obtaining a tomographic image by performing Fourier analysis on the information and displaying the obtained image, and a unit previously setting an image on the monitor, in which the member is moved from an initial position and presence or absence of the tomographic image is determined, when the presence is detected, whether the tomographic image is normal or inverted is determined, and when the tomographic image is not the set image, the member is moved to obtain the set image, and when the tomographic image is the set image, the member is moved so that a position of the tomographic image in the depth direction coincides with a predetermined adjustment position and the driving unit is stopped.
    • 一种装置具有检测光谱信息的光学系统,并具有通过移动光学构件(31),监视器(75),控制单元(70)和光学构件(30)来改变光路长度的光学扫描器(23)和驱动单元(50) 通过对信息进行傅立叶分析并显示所获得的图像,以及预先在监视器上设置图像的单元来获得断层图像,其中,该部件从初始位置移动并且存在或不存在断层图像被确定,当 检测存在,确定断层图像是正常还是反转,并且当断层图像不是设定图像时,移动成员以获得设定图像,并且当断层图像是设定图像时,成员是 移动使得断层图像在深度方向上的位置与预定的调节位置一致,并且驱动单元停止。
    • 4. 发明专利
    • Optical tomographic imaging apparatus
    • 光学成像装置
    • JP2011172822A
    • 2011-09-08
    • JP2010040586
    • 2010-02-25
    • Nidek Co Ltd株式会社ニデック
    • MURATA TOSHIOHIGUCHI YUKIHIRO
    • A61B3/10A61B3/12G01N21/17
    • G01B9/0203A61B3/102G01B9/02044G01B9/02068G01B9/02089G01B9/02091
    • PROBLEM TO BE SOLVED: To enhance visibility of a tomographic image animated on a monitor.
      SOLUTION: This optical tomographic imaging apparatus includes: an interference optical system for enabling a light-receiving element to receive an interference light by a measurement light flux and a reference light flux; an optical scanner for shifting an advancement direction of the measurement light flux; an optical-path-length changing member moved by a driving part to adjust an optical-path difference between the measurement light flux and the reference light flux; an image-forming means for obtaining the tomographic image of an object based on an output signal from the light-receiving element; a display means; a control means for moving the optical-path-length changing member and for displaying the tomographic image obtained by the image-forming means in a prescribed display region. In the apparatus, information of positional deviation with respect to a depth direction of the obtained tomographic image is detected based on the output signal from the light-receiving element, and a display position of the tomographic image is corrected so that the tomographic image obtained as needed is displayed in a predetermined position within the display region.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提高在监视器上动画的断层图像的可视性。 解决方案:该光学断层成像装置包括:干涉光学系统,用于使光接收元件能够通过测量光通量和参考光通量接收干涉光; 用于移动测量光通量的前进方向的光学扫描器; 由驱动部件移动的光程长度变更部件,调整测定光束与基准光束的光程差; 图像形成装置,用于根据来自光接收元件的输出信号获得对象的断层图像; 显示装置; 控制装置,用于移动光程长度改变部件,并用于在规定的显示区域中显示由图像形成装置获得的断层图像。 在该装置中,基于来自光接收元件的输出信号来检测相对于所获得的断层图像的深度方向的位置偏差的信息,并且校正断层图像的显示位置,使得以 需要显示在显示区域内的预定位置。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Ophthalmic photographing apparatus
    • OPHTHALMIC摄影装置
    • JP2011011052A
    • 2011-01-20
    • JP2010124784
    • 2010-05-31
    • Nidek Co Ltd株式会社ニデック
    • YAMAMOTO MITSUOTAKI SEIJISATAKE NORIMASA
    • A61B3/12A61B3/10
    • G01B9/02091A61B3/102G01B9/0203G01B9/02044G01B9/02064G01B9/02089
    • PROBLEM TO BE SOLVED: To provide an ophthalmic photographing apparatus to perform favorable fundus measurement using a fundus tomographic image in photographing the fundus of an examinee's eye.SOLUTION: The ophthalmic photographing apparatus including: an interference optical system for dividing a light flux from a light source into measurement light and reference light, directing measurement light to the fundus of a subject and reference light to a reference optical system, and photo-receiving interference light obtained by synthesis of the measurement light flux reflected by the fundus and the reference light flux by a first photodetector; an optical scanner changing advancement direction of the measurement light flux to scan the measurement light flux on the fundus; a driving unit moving an optical member in the optical axis direction to change an optical path length; a calculation control unit controlling the driving unit and controlling the motion of the optical scanner to make the measurement light flux scan in an photographing angle on the fundus to obtain a tomographic image of the fundus based on receiving light signals outputted from the photodetector. The calculation control unit converts a photographing range of the tomographic image into an actual distance based on optical member positional information and photographing angle information and photographing angle information of the tomographic image.
    • 要解决的问题:提供一种眼科拍摄装置,用于在拍摄被检眼的眼底时使用眼底断层图像进行有利的眼底测量。解决方案:该眼科摄影装置包括:干涉光学系统,用于将来自光的光通量 源测量光和参考光,将测量光引导到对象的眼底并将参考光引导到参考光学系统,以及通过合成由眼底反射的测量光通量和参考光通量获得的光接收干涉光,并通过 第一光电检测器; 光学扫描器改变测量光通量的前进方向以扫描眼底上的测量光通量; 驱动单元,沿光轴方向移动光学构件以改变光路长度; 计算控制单元,控制所述驱动单元并控制所述光学扫描器的运动,以使所述测量光束在所述眼底上的拍摄角度扫描,以基于接收到从所述光电检测器输出的光信号来获得所述眼底的断层图像。 计算控制单元基于光学构件位置信息和拍摄角度信息以及断层图像的摄影角度信息,将断层图像的拍摄范围转换为实际距离。
    • 6. 发明专利
    • Optical image measuring device
    • 光学图像测量装置
    • JP2010181172A
    • 2010-08-19
    • JP2009022622
    • 2009-02-03
    • Topcon Corp株式会社トプコン
    • ONO YUSUKE
    • G01N21/17
    • G01B11/22A61B3/102G01B9/0203G01B9/02044G01B9/02063G01B9/02068G01B9/02089G01B9/02091G01N21/4795
    • PROBLEM TO BE SOLVED: To provide an optical image measuring device that facilitates performing measurement without losing measuring timing. SOLUTION: An image processing unit 230 of the optical image measuring device 1 determines the propriety of the alignment state of an optical system to an eye E to be examined, the propriety of the focus state to the noticeable region of the eyeground Ef, the propriety of the position of a preparatorily acquired tomographic image in a frame, the propriety of the image quality of the preparatorily acquired tomographic image and the propriety of the tracking state of the irradiation position of signal light LS to the movement of matter to be measured. When all of these conditions are determined to be proper, a control unit 210 controls the optical system and an image forming part 220 to form the tomographic image of the noticeable region of the eyeground Ef. By this constitution, even when the tomographic image of the matter to be measured having movement like an eye is acquired, measurement can easily be performed without losing the measuring timing. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种便于进行测量而不失去测量定时的光学图像测量装置。 解决方案:光学图像测量装置1的图像处理单元230确定光学系统对待检查的眼睛E的对准状态的适当性,焦点状态适合于眼睛的显着区域Ef ,准备获取的断层图像在帧中的适当性,准备获取的断层图像的图像质量的适当性以及信号光LS的照射位置的跟踪状态对于物质的运动的适当性 测量。 当所有这些条件被确定为适当时,控制单元210控制光学系统和图像形成部分220以形成眼睛Ef的显着区域的断层图像。 通过这种结构,即使获取具有眼睛运动的待测量物质的断层图像,也可以容易地进行测量而不失去测量定时。 版权所有(C)2010,JPO&INPIT