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    • 1. 发明专利
    • Ophthalmological photographing apparatus
    • 眼科摄影装置
    • JP2009172157A
    • 2009-08-06
    • JP2008013989
    • 2008-01-24
    • Topcon Corp株式会社トプコン
    • OTSUKA HIROYUKIKOGAWA DAISAKUTOKUDA KANICHI
    • A61B3/14
    • PROBLEM TO BE SOLVED: To provide an ophthalmological photographing apparatus capable of improving handleability for a tester and reducing observation/imaging burdens for a testee by providing the degree of freedom of selection for invalidating only some functions corresponding to the skill of the tester or the like among a plurality of automatic operation functions included in an automatic photographing mode. SOLUTION: A non-mydriasis fundus camera (one example of the ophthalmological photographing apparatus) comprising a split optical system 60, an alignment system 40, an observation optical system 30 and an photographing optical system 20 is provided with: an automatic photographing control means (Figs.6 and 7) having an automatic focusing function, an automatic small pupil switching function and an automatic shooting function; and an automatic operation function selection means (Figs.8 and 10) having a mode of selecting validation of all of automatic operation functions provided in the automatic photographing control means, a mode of selecting invalidation of all of the automatic operation functions provided in the automatic photographing control means, and a partial validation selection mode of validating some of the automatic operation functions provided in the automatic photographing control means and invalidating the remaining automatic operation functions. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种眼科摄影装置,其能够提高测试者的操作性,并通过提供仅使一些对应于测试者的技能的功能的选择的自由度来减少受试者的观察/成像负担 在自动拍摄模式中包括的多个自动操作功能之中。 解决方案:包括分裂光学系统60,对准系统40,观察光学系统30和拍摄光学系统20的非散瞳眼底照相机(眼科摄影设备的一个示例)设置有:自动摄影 具有自动聚焦功能,自动小光瞳切换功能和自动拍摄功能的控制装置(图6和7) 以及具有选择在自动拍摄控制装置中提供的所有自动操作功能的确认的模式的自动操作功能选择装置(图8和图10),选择在自动拍摄控制装置中提供的所有自动操作功能的无效的模式 拍摄控制装置和部分验证选择模式,用于验证自动拍摄控制装置中提供的一些自动操作功能,并使剩余的自动操作功能无效。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Fundus camera
    • FUNDUS CAMERA
    • JP2007007454A
    • 2007-01-18
    • JP2006273894
    • 2006-10-05
    • Topcon Corp株式会社トプコン
    • OTSUKA HIROYUKIOKASHITA TOSHIHIRO
    • A61B3/14
    • PROBLEM TO BE SOLVED: To provide a fundus camera for which alignment is easily adjusted when photographing a fundus peripheral part. SOLUTION: The fundus camera comprises: an illumination system 30 for illuminating the fundus Ef of an eye E to be examined; a photographing optical system 31 for photographing the fundus Ef of the eye E to be examined; a fixation target projection system 100 for projecting a fixation target for guiding the line of sight of the eye E to be examined toward the eye E to be examined; an alignment target projection system 56 for projecting an alignment target 58a for positioning for the eye E to be examined to the eye E to be examined; an observation system including a monitor 53 for displaying the fundus image 54 of the eye E to be examined together with an alignment target image 58' and alignment reference position marks 104a, 104b, 104c and 104d; a fixation target position change means for changing the presenting position of the fixation target when photographing the center part of the fundus Ef of the eye E to be examined and the peripheral part of the fundus Ef of the eye E to be examined; a line-of-sight direction detection means 112 for detecting the line-of-sight direction of the eye E to be examined; and an alignment target presenting position change means for changing the projecting position of the alignment target 58a on the basis of the detected result of the line-of-sight direction detection means 112. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种眼底照相机,当拍摄眼底周围部分时,可以容易地调整对准。 眼底照相机包括:照明系统30,用于照亮被检眼E的眼底Ef; 用于拍摄要检查的眼睛E的眼底Ef的拍摄光学系统31; 固定目标投影系统100,用于投影用于将待检查的眼睛E的视线朝向待检查的眼睛E引导的固定目标; 对准目标投影系统56,用于将待检查的眼睛E定位的对准目标58a投射到待检查的眼睛E; 一种观察系统,包括:显示器53,用于显示要被检查的眼睛E的眼底图像54与对准目标图像58'和对准基准位置标记104a,104b,104c和104d; 固定目标位置改变装置,用于当拍摄要检查的眼睛E的眼睛E的眼底Ef的中心部分和要检查的眼睛E的眼底Ef的周边部分时,改变固定目标的呈现位置; 用于检测要检查的眼睛E的视线方向的视线方向检测装置112; 以及基于视线方向检测装置112的检测结果来改变对准目标58a的突出位置的对准目标呈现位置改变装置。(C)2007,JPO&INPIT
    • 4. 发明专利
    • Fundus camera
    • FUNDUS CAMERA
    • JP2007007453A
    • 2007-01-18
    • JP2006273893
    • 2006-10-05
    • Topcon Corp株式会社トプコン
    • OTSUKA HIROYUKIOKASHITA TOSHIHIRO
    • A61B3/14
    • PROBLEM TO BE SOLVED: To provide a fundus camera for which alignment is easily adjusted when photographing a fundus peripheral part. SOLUTION: The fundus camera comprises: an illumination system 30 for illuminating the fundus Ef of an eye E to be examined; a photographing optical system 31 for photographing the fundus Ef of the eye E to be examined; a fixation target projection system 100 for projecting a fixation target for guiding the line of sight of the eye E to be examined toward the eye E to be examined; an alignment target projection system 56 for projecting an alignment target 58a for positioning for the eye E to be examined to the eye E to be examined; an observation system including a monitor 53 for displaying the fundus image 54 of the eye E to be examined together with an alignment target image 58' and alignment reference position marks 104a, 104b, 104c and 104d; a fixation target position change means for changing the presenting position of the fixation target when photographing the center part of the fundus Ef of the eye E to be examined and the peripheral part of the fundus Ef of the eye E to be examined; and an alignment target presenting position change means for changing the presenting position of the alignment target 58a in the direction of the optical axis O1 of the photographing optical system 31 and a direction orthogonal to the optical axis O1 of the photographing optical system 31 corresponding to the fixation target position change means. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种眼底照相机,当拍摄眼底周围部分时,可以容易地调整对准。 眼底照相机包括:照明系统30,用于照亮被检眼E的眼底Ef; 用于拍摄要检查的眼睛E的眼底Ef的拍摄光学系统31; 固定目标投影系统100,用于投影用于将待检查的眼睛E的视线朝向待检查的眼睛E引导的固定目标; 对准目标投影系统56,用于将待检查的眼睛E定位的对准目标58a投射到待检查的眼睛E; 一种观察系统,包括:显示器53,用于显示要被检查的眼睛E的眼底图像54与对准目标图像58'和对准基准位置标记104a,104b,104c和104d; 固定目标位置改变装置,用于当拍摄要检查的眼睛E的眼睛E的眼底Ef的中心部分和要检查的眼睛E的眼底Ef的周边部分时,改变固定目标的呈现位置; 以及对准目标呈现位置改变装置,用于改变对准目标58a在拍摄光学系统31的光轴O1的方向上的呈现位置以及与拍摄光学系统31对应的摄影光学系统31的光轴O1正交的方向 固定目标位置变化手段。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Fundus camera
    • FUNDUS CAMERA
    • JP2005137584A
    • 2005-06-02
    • JP2003377305
    • 2003-11-06
    • Topcon Corp株式会社トプコン
    • OTSUKA HIROYUKI
    • A61B3/14
    • PROBLEM TO BE SOLVED: To provide a fundus camera for imaging excellent images of a fundus oculi without influences of flare, smear, and blooming.
      SOLUTION: The images of the fundus oculi are imaged by a TV camera 20A that uses a CCD as an image pickup device. A controlling part 40 detects whether a light shielding point 16b of a small diameter is used for imaging. If the controlling part 40 detects the use of the light shielding point 16b, the controlling part 40 transmits the data of the fundus oculi to a masking processing part 47 and controls the masking processing part 47 to perform the masking processing on the image of the fundus oculi. The masking processing is especially performed on a region corresponding to reflected light at a lens of eye. The image is stored in an image memory part 41 and is displayed on a display part 42. If the controlling part 40 detects that the light shielding point 16b is not used, the image is displayed on the display part 42 as it is without performing masking processing. Incident light of the illuminating light reflected at a cornea is shielded by a sight throttle 27.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种眼底照相机,用于对眼底的优异图像进行成像,而不会产生耀斑,涂片和起霜的影响。 解决方案:眼底的图像由使用CCD作为图像拾取装置的电视摄像机20A成像。 控制部40检测是否使用小直径的遮光点16b进行摄像。 如果控制部40检测到遮光点16b的使用,则控制部40将眼底的数据发送到掩蔽处理部47,并且控制掩蔽处理部47对眼底的图像进行掩蔽处理 匝肌。 特别是在对应于眼睛的透镜的反射光的区域上进行掩蔽处理。 图像被存储在图像存储器部分41中并被显示在显示部分42上。如果控制部分40检测到没有使用遮光点16b,则图像被显示在显示部分42上,而不进行掩蔽 处理。 在角膜上反射的照明光的入射光被视觉油门27遮蔽。版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Optical image measuring instrument
    • 光学图像测量仪器
    • JP2005291752A
    • 2005-10-20
    • JP2004103343
    • 2004-03-31
    • Topcon Corp株式会社トプコン
    • CHAN KINPUIAKIBA MASAHIROFUKUMA YASUFUMIOTSUKA HIROYUKITSUKADA HIROSHI
    • G01B11/00A61B10/00G01N21/17
    • PROBLEM TO BE SOLVED: To provide an optical image measuring instrument for accelerating the automation of the sampling of interference light.
      SOLUTION: The laser beam from a light source 71 is split into two parts by a beam splitter 73 and one of them is shifted in frequency to be superposed on the beam splitter 73 to form interference light. This interference light has the same frequency as interference lights L, L1-L3. A photodetector 75 receives of this interference light to outputs the same as an electric signal and the AC component of this electric signal is extracted by An AC component extraction means 81. A frequency detecting means 82 the frequency of this AC component and a pulse signal generator 50 generates a pulse signal at the detected frequency to transmit the same to phase shifters 41-43. The phase shifters 41-43 shift the phase of the pulse signal to output the same to shutters 31-33 as a control signal. The shutters 31-33 change over opening/shielding on the basis of the control signal to sample interference lights L1-L3.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于加速干涉光采样自动化的光学图像测量仪器。 解决方案:来自光源71的激光束由分束器73分成两部分,其中一个频率偏移以重叠在分束器73上以形成干涉光。 该干涉光与干涉光L,L1-L3具有相同的频率。 光检测器75接收该干涉光以输出与电信号相同的信号,并且该AC信号的AC分量由AC分量提取装置81提取。频率检测装置82将该AC分量的频率和脉冲信号发生器 50产生检测频率的脉冲信号,以将其发送到移相器41-43。 移相器41-43将脉冲信号的相位移位,作为控制信号输出到快门31-33。 百叶窗31-33根据控制信号改变打开/屏蔽,以采样干涉光L1-L3。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Optical image measuring instrument
    • 光学图像测量仪器
    • JP2005283472A
    • 2005-10-13
    • JP2004100742
    • 2004-03-30
    • Topcon Corp株式会社トプコン
    • CHAN KINPUIAKIBA MASAHIROFUKUMA YASUFUMIOTSUKA HIROYUKITSUKADA HIROSHI
    • G01B11/00A61B3/12A61B5/00G01B9/02G01N21/17G01N21/47G01N21/49
    • G01N21/49A61B3/102A61B5/0066A61B5/0073G01B9/02003G01B9/02012G01B9/02091G01B2290/45G01N2021/1782
    • PROBLEM TO BE SOLVED: To provide an optical image measuring instrument capable of changing precisely and easily a scanning interval along a depth direction of a measured object.
      SOLUTION: This instrument is provided with an interference optical system for generating an interference light by superposing a signal light S through the measured object O with a frequency-shifted reference light R, a reference light driving means 74 for driving a mirror 7 to scan the measured object O along the depth direction, a shutter 31 or the like for sampling the interference light, a CCD camera 21 or the like for accumulating an electric charge for a prescribed accumulation time to be output as an electric signal, a control means 76 for changing the accumulation time for the CCD camera 21 or the like, and a signal processing part 60 for computing intensities and phases of the interference lights corresponding to a plurality of depths in the measured object O detected in order by the CCD camera 21 or the like in response to the scan, based on the electric signals output in order from the CCD camera 21 or the like in the every changed accumulation time. The instrument is provided also with a setting operation means 75 for setting the accumulation time for the CCD camera 21 or the like.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够精确且容易地沿测量对象的深度方向改变扫描间隔的光学图像测量仪器。 解决方案:该仪器设置有干涉光学系统,用于通过用经移位的参考光R叠加通过测量对象O的信号光S来产生干涉光,参考光驱动装置74用于驱动反射镜7 沿着深度方向扫描测量对象O,用于对干涉光进行采样的快门31等,用于累积规定的累积时间的电荷作为电信号的CCD照相机21等,控制 用于改变CCD相机21等的累积时间的装置76以及用于计算对应于由CCD照相机21按顺序检测的被测物体O中的多个深度的干涉光的强度和相位的信号处理部分60 基于在每个改变的累积时间中从CCD照相机21等按顺序输出的电信号来响应于扫描。 该仪器还设置有用于设置CCD相机21等的累积时间的设置操作装置75。 版权所有(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Ophthalmologic photographing apparatus
    • 眼科摄影装置
    • JP2010194345A
    • 2010-09-09
    • JP2010134686
    • 2010-06-14
    • Topcon Corp株式会社トプコン
    • OTSUKA HIROYUKIKOGAWA DAISAKUTOKUDA KANICHI
    • A61B3/14
    • PROBLEM TO BE SOLVED: To provide an ophthalmologic photographing apparatus capable of focusing by using a positioning mark of an alignment visual target without skills even when a patient with a small pupil diameter is examined. SOLUTION: The apparatus includes a split optical system which projects a split visual target 311 to focus or a photographing subject part of an eye E to be examined, an alignment system which projects the alignment visual target 310 to position the apparatus body to the eye E, an observation optical system including an observational monitor which displays a photographing-subject image Ef of the eye E together with the split visual target and the alignment visual target 310, and a photographing optical system including a camera which photographs the photographing-subject image of the eye E. In a case when the eye E to be examined has the small pupil diameter, a means is provided for displaying the positioning mark 309 of the alignment visual target 310 in such a place that it is displaced from the center of an observation image. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使在检查具有小瞳孔直径的患者的情况下,也能够提供即使使用定位视觉目标的定位标记也能够进行聚焦的眼科摄影装置。 解决方案:该装置包括:分割光学系统,其将分割的视觉目标311投影到被检眼的眼睛E的焦点或拍摄对象部分;对准系统,其投射对准视觉目标310以将装置主体定位到 眼睛E是包括观察监视器的观察光学系统,其将眼睛E的拍摄对象图像Ef与分割的视觉目标和对准视觉目标310一起显示,以及拍摄光学系统,包括照相机, 在被检查眼E具有小瞳孔直径的情况下,提供了一种装置,用于显示对准视觉目标310的定位标记309,使其从中心移位 的观察图像。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Ophthalmological photographing apparatus
    • 眼科摄影装置
    • JP2009172158A
    • 2009-08-06
    • JP2008013990
    • 2008-01-24
    • Topcon Corp株式会社トプコン
    • OTSUKA HIROYUKIKOGAWA DAISAKUTOKUDA KANICHI
    • A61B3/14
    • A61B3/152A61B3/0075A61B3/0091A61B3/12A61B3/132A61B3/145
    • PROBLEM TO BE SOLVED: To provide an ophthalmological photographing apparatus capable of obtaining excellent stereo images with a parallax by imaging left and right stereo images at the same focus position while achieving focusing and simplification of alignment adjustment, by a parallel movement system wherein stereo imaging can be automated. SOLUTION: A non-mydriasis fundus camera (one example of the ophthalmological photographing apparatus) comprising a split optical system 60, an alignment system 40, an observation optical system 30 and a photographing optical system 20 is provided with a stereo photographing means (figure 8) for focusing on the photographing object part of an eye E to be examined using split line spectra 311 and 311 while keeping the () scale 309 of alignment luminescent spots 310 and 310 set at the center part of an observation image, fixing a focusing lens 21 and moving the () scale 309 to either left or right when focusing completion is detected, matching alignment luminescent spots 310 and 310 with the moved () scale 309 to perform first photographing, and moving the moved () scale 309 to the other left or right and matching the alignment luminescent spots 310 and 310 with the moved () scale 309 to perform second photographing. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种眼科摄影装置,其能够通过在同一焦点位置处对左右立体图像进行成像而获得优异的立体图像,同时通过平行移动系统实现对准和简化对准调整,其中, 立体成像可以自动化。 解决方案:包括分割光学系统60,对准系统40,观察光学系统30和拍摄光学系统20的非散瞳眼底照相机(眼科摄影设备的一个示例)设置有立体摄影装置 (图8),同时保持对准发光点310和310的()比例尺度309设置在观察图像的中心部分,固定的()),用于使用分割线谱311和311聚焦在待检查的眼睛E的拍摄对象部分上 聚焦透镜21,并且当检测到聚焦完成时将()标尺309移动到左或右,与移动的()标尺309匹配对准发光点310和310进行第一次拍摄,并将移动的()标尺309移动到 另一个左或右,并与对准发光点310和310与移动的()刻度309匹配以执行第二次拍摄。 版权所有(C)2009,JPO&INPIT