公开(公告)号：US4591247A

公开(公告)日：1986-05-27

申请号：US384338

申请日：1982-06-02

申请人： Minoru Kamiya ,  Masayuki Masuyama ,  Ikuo Kitao ,  Shinji Wada ,  Kiwami Horiguchi

发明人： Minoru Kamiya ,  Masayuki Masuyama ,  Ikuo Kitao ,  Shinji Wada ,  Kiwami Horiguchi

IPC分类号： A61B3/103 ,  A61B3/10

CPC分类号： A61B3/103

摘要： An eye refractometer comprising a measuring target projection optical system for projecting a measuring target image to the eye fundus of a patient's eye by means of a pair of beams of light from a measuring target; a rotating device for rotating the pair of beams of light around the optical axis; a measuring target image-forming optical system for forming a target image of the beams of light projected through the measuring target image projected to the eye fundus; a detection device for two-dimensionally detecting the position of the target image formed by the image-forming optical system on a plane perpendicular to the optical axis; and an operating circuit for obtaining a refractive power of the eye along a radial line passing through the centers of the pair of beams of light by means of the signal from the detection device.

摘要翻译： 一种眼睛折射仪，包括：测量目标投影光学系统，用于通过来自测量对象的一对光束将测量目标图像投射到患者眼睛的眼底; 旋转装置，用于围绕光轴旋转所述一对光束; 用于形成通过投射到眼底的测量对象图像投影的光束的目标图像的测量对象图像形成光学系统; 检测装置，用于在与光轴垂直的平面上二维地检测由图像形成光学系统形成的目标图像的位置; 以及用于通过来自检测装置的信号沿着穿过该对光束的中心的径向线获得眼睛的屈光度的操作电路。

公开(公告)号：US4848895A

公开(公告)日：1989-07-18

申请号：US820793

申请日：1986-01-22

申请人： Yasuo Kato ,  Kiwami Horiguchi ,  Shinji Wada ,  Ikuo Kitao

发明人： Yasuo Kato ,  Kiwami Horiguchi ,  Shinji Wada ,  Ikuo Kitao

IPC分类号： A61B3/103

CPC分类号： A61B3/103

摘要： There is disclosed an automatic eye refractive power measuring apparatus for automatically measuring refractive power of an eye under test by means of objective measurement. It comprises a projection system for projecting a measuring target image to a retina of the eye under test by invisible light; an imaging optical system for imaging a reflection image of the measuring target image projected to the retina and reflected by the retina; an opto-electric detector having a photosensitive surface disposed at imaging position and adapted to output electrical signal corresponding to the measuring target image formed on the photosensitive surface; display device for displaying the measuring target image reflected on the retina based on the electrical signal as a visible image; and an auto-measuring portion adapted to detect focussing state of the measuring target image projected to the retina based on the electrical signal and automatically calculated refractive power of the eye under test from the electrical signal.

摘要翻译： 公开了一种用于通过客观测量自动测量被测眼睛的屈光度的自动眼睛屈光度测量装置。 它包括用于通过不可见光将测量目标图像投射到被测眼睛的视网膜的投影系统; 成像光学系统，用于对投射到视网膜并由视网膜反射的测量对象图像的反射图像进行成像; 光电检测器，其具有设置在成像位置处的光敏表面，并适于输出对应于形成在感光表面上的测量目标图像的电信号; 显示装置，用于基于电信号显示在视网膜上反射的测量对象图像作为可视图像; 以及自动测量部分，其适于基于所述电信号检测投影到所述视网膜的所述测量对象图像的聚焦状态，并且根据所述电信号自动计算被测眼睛的折射力。

公开(公告)号：US4917480A

公开(公告)日：1990-04-17

申请号：US277439

申请日：1988-11-28

申请人： Yasuo Kato ,  Kiwami Horiguchi ,  Ikuo Kitao ,  Yoshihiro Takahashi

发明人： Yasuo Kato ,  Kiwami Horiguchi ,  Ikuo Kitao ,  Yoshihiro Takahashi

IPC分类号： A61B3/103

CPC分类号： A61B3/103

摘要： An eye refractive power measuring apparatus is disclosed. It includes a chart projection system for projecting a chart image for test use to a retina of an eye under test by using visible light, a measuring target projection system for projecting a measuring target image to the retina of the eye under test by using invisible light, a display device for displaying the measuring target image as a visible image, a focussing state of the measuring target image being made changeable simultaneous with change of a focussing state of the chart image for test.

摘要翻译： 公开了一种眼屈光力测量装置。 它包括一个图表投影系统，用于通过使用可见光将用于测试使用的图表图像投影到被测眼睛的视网膜，用于通过使用不可见光将测量目标图像投影到被测眼睛的视网膜的测量目标投影系统 用于将测量目标图像显示为可见图像的显示装置，使测量对象图像的聚焦状态随着用于测试的图表图像的聚焦状态的改变而同时变化。

公开(公告)号：US4744648A

公开(公告)日：1988-05-17

申请号：US866247

申请日：1986-05-23

申请人： Yasuo Kato ,  Yasufumi Fukuma ,  Kiwami Horiguchi ,  Kiichi Kamiyama

发明人： Yasuo Kato ,  Yasufumi Fukuma ,  Kiwami Horiguchi ,  Kiichi Kamiyama

IPC分类号： A61B3/10 ,  A61B3/103

CPC分类号： A61B3/103

摘要： An improved eye refractive power measuring apparatus is disclosed. The apparatus includes a measurement system for projecting a measurement target image to the retina of an eye to be tested and measuring the refractivity of the eye to be tested by detecting the focussing state of the measuring target image. In addition, it has an eye position detection system for detecting a shifted amount from a proper position of the eye to be tested and an arrangement for correcting a measurement result of the eye refractivity based on such detected result.

摘要翻译： 公开了一种改进的眼睛屈光度测量装置。 该装置包括测量系统，用于将测量目标图像投射到待测眼睛的视网膜，并通过检测测量目标图像的聚焦状态来测量待测眼睛的折射率。 此外，它具有用于从被测眼睛的适当位置检测偏移量的眼睛位置检测系统和用于基于这种检测结果校正眼睛折射率的测量结果的装置。

公开(公告)号：US06563574B2

公开(公告)日：2003-05-13

申请号：US10033774

申请日：2001-12-28

申请人： Fumio Ohtomo ,  Kiwami Horiguchi ,  Hitoshi Ohtani

发明人： Fumio Ohtomo ,  Kiwami Horiguchi ,  Hitoshi Ohtani

IPC分类号： G01C308

CPC分类号： G01C1/04

摘要： The present invention relates to both a surveying apparatus with a picking-up device and a electronic storage medium, and particularly to a surveying apparatus capable of combining a background image captured by a picking-up device with survey data obtained by the surveying apparatus and displaying the combined image on a display unit, wherein the surveying apparatus is configured such that the picking-up device can be connected to the surveying apparatus, the picking-up device having an optical axis approximately parallel with an optical axis of the surveying apparatus, the surveying apparatus comprising: an operation unit for associating measurement data obtained by the surveying apparatus with image data obtained by the picking-up device and displaying a measurement target position mark in the image data; a first storage unit for storing the measurement data associated with the image data; a second storage unit for storing the image data associated with the measurement data; and a display unit for, when necessary, displaying at least one of the measurement data and the image data stored in the first storage unit and the second storage unit, respectively.

摘要翻译： 本发明涉及一种具有拾取装置的测量装置和电子存储介质，特别涉及一种能够将由拾取装置拍摄的背景图像与由测量装置获得的测量数据相组合的测量装置，并且显示 在显示单元上的组合图像，其中测量装置被配置为使得拾取装置可以连接到测量装置，拾取装置具有与测量装置的光轴大致平行的光轴， 测量装置，包括：操作单元，用于将由测量装置获得的测量数据与由拾取装置获得的图像数据相关联，并在图像数据中显示测量目标位置标记; 第一存储单元，用于存储与图像数据相关联的测量数据; 第二存储单元，用于存储与测量数据相关联的图像数据; 以及显示单元，用于在需要时分别显示存储在第一存储单元和第二存储单元中的测量数据和图像数据中的至少一个。

公开(公告)号：US4591249A

公开(公告)日：1986-05-27

申请号：US656149

申请日：1984-09-28

申请人： Susumu Takahashi ,  Kiwami Horiguchi

发明人： Susumu Takahashi ,  Kiwami Horiguchi

IPC分类号： A61B3/14 ,  G02B7/28 ,  G03B15/05 ,  G03B29/00

CPC分类号： A61B3/145

摘要： Exposure control system for ophthalmic photographing apparatus including a focusing mark projecting optical system for projecting focusing mark on a patient's eye so that the focusing condition can be clearly recognized. A detector is provided for detecting the intensity of the light from the mark image. The signal from the detector is used to control the exposure control system by for example determining the time in which the photographing light source is energized.

摘要翻译： 用于眼科摄影装置的曝光控制系统包括聚焦标记投影光学系统，用于在患者眼睛上投射聚焦标记，使得可以清楚地识别聚焦条件。 提供检测器，用于检测来自标记图像的光的强度。 来自检测器的信号用于通过例如确定拍摄光源被激励的时间来控制曝光控制系统。

公开(公告)号：US4626089A

公开(公告)日：1986-12-02

申请号：US594675

申请日：1984-03-29

申请人： Susumu Takahashi ,  Kiwami Horiguchi

发明人： Susumu Takahashi ,  Kiwami Horiguchi

IPC分类号： A61B3/14

CPC分类号： A61B3/12

摘要： An eyefundus camera including an observing and photographing optical system having a focusing lens, a mark projecting optical system for projecting a plurality of mark images on patient's eyefundus. The mark projecting optical system is interconnected with the focusing lens of the observing and photographing optical system. There is provided a focusing signal detecting device including a photoelectric device for photoelectrically scanning the mark images projected on the fundus of the patient's eye to produce mark image signals, a horizontal synchronizing signal counting circuit for counting horizontal synchronizing signals for the photoelectric means, a mark image counting circuit for counting number of the mark image signals to determine that a predetermined number of mark image signals exist in a single scanning line, an operation circuit responsive to outputs of the two circuits for determining a horizontal scanning line which is used for judgement of focus conditions.

摘要翻译： 一种眼睛照相机，包括具有聚焦透镜的观察和拍摄光学系统，用于将多个标记图像投影到患者眼底上的标记投影光学系统。 标记投影光学系统与观察和拍摄光学系统的聚焦透镜互连。 提供了一种聚焦信号检测装置，包括光电装置，用于光电扫描投影在患者眼睛的眼底上的标记图像以产生标记图像信号;水平同步信号计数电路，用于计数用于光电装置的水平同步信号;标记 图像计数电路，用于对标记图像信号的数量进行计数，以确定在单个扫描线中存在预定数量的标记图像信号;响应于两个电路的输出确定用于判断的水平扫描线的运算电路 焦点条件。