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    • 1. 发明授权
    • Automatic eye refractive power measuring apparatus
    • 自动眼屈光力测量仪
    • US4848895A
    • 1989-07-18
    • US820793
    • 1986-01-22
    • Yasuo KatoKiwami HoriguchiShinji WadaIkuo Kitao
    • Yasuo KatoKiwami HoriguchiShinji WadaIkuo Kitao
    • A61B3/103
    • A61B3/103
    • 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.
    • 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。
    • 7. 发明授权
    • Eye testing apparatus
    • 眼睛检测仪器
    • US4859051A
    • 1989-08-22
    • US137718
    • 1987-12-24
    • Yasufumi FukumaIkuo KitaoYasuo Kato
    • Yasufumi FukumaIkuo KitaoYasuo Kato
    • A61B3/12A61B3/10A61B3/103
    • A61B3/103
    • An eye testing apparatus, in which a cornea reflecting image and a retina reflecting image formed by projecting each target mark image onto a cornea and a retina of an eye to be tested are projected to a slight receiving portion through a measuring optical system, and in which a corneal configuration and a refractive power of the eye to be tested are measured according to a signal detected by the light receiving portion, characterized in that the light receiving portion includes a two-dimensional light receiving element, the measuring optical system simultaneously projecting the cornea reflecting image and the retina reflecting image to different areas of the two-dimensional light receiving element.
    • 一种眼睛检查装置,其中将通过将每个目标标记图像投影到待测试的眼睛的角膜和视网膜上形成的角膜反射图像和视网膜反射图像通过测量光学系统投射到轻微的接收部分,并且 根据由受光部检测出的信号测量被测眼睛的角膜构造和屈光度,其特征在于,所述受光部包括二维光接收元件,所述测量光学系统同时投影 角膜反射图像和视网膜反射图像到二维光接收元件的不同区域。
    • 8. 发明授权
    • Eye refractmeter
    • 眼睛折射仪
    • US4277150A
    • 1981-07-07
    • US935608
    • 1978-08-21
    • Shinzi WadaIkuo KitaoYasuo KatoTaketoshi Ishihara
    • Shinzi WadaIkuo KitaoYasuo KatoTaketoshi Ishihara
    • A61B3/103G03B29/00A61B3/10A61B3/14
    • A61B3/103
    • An eye refractmeter comprising a target projecting optical system for projecting an image of a target means through a pupil of a patient's eye to produce a target image on a retina of the eye, an observing optical system including objective lens means for observing the target image through the pupil, and a sighting optical system for observing light reflected at the cornea of the eye to determine that the objective lens means is appropriately spaced from the patient's eye, means being provided in the projecting optical system so that the image of the target means is projected by an infrared ray, half-transparent optical means for passing therethrough one of the light bundles along the observing and sighting optical systems and reflecting the other of the bundles, means for directing both of the light bundles passing through the observing and sighting optical systems to a single image pick-up tube, the half-transparent optical means having a reflecting rate such that more than 50% of the light along the observing optical system and less than 50% of the light along the sighting optical system are directed to the image pick-up tube.
    • 一种眼睛折射仪,包括:目标投影光学系统,用于通过患者眼睛的瞳孔投影目标装置的图像,以在眼睛的视网膜上产生目标图像;观察光学系统,包括用于观察目标图像的物镜装置 瞳孔和用于观察在眼睛的角膜反射的光的瞄准光学系统,以确定物镜装置与患者眼睛适当地间隔开,装置设置在投影光学系统中,使得目标装置的图像为 通过红外线投影的半透明光学装置,用于沿着观察和瞄准光学系统通过其中的一个光束并反射束中的另一个;用于引导通过观察和瞄准光学系统的两束光束的装置 对于单个图像拾取管,半透明光学装置具有使得大于50%的反射率 沿着观察光学系统的光,并且沿着瞄准光学系统的小于50%的光被引导到图像拾取管。
    • 10. 发明申请
    • Communication System
    • 通讯系统
    • US20100062709A1
    • 2010-03-11
    • US11883363
    • 2006-01-25
    • Yasuo Kato
    • Yasuo Kato
    • H04B5/00H01Q7/08
    • H04B13/005G01R29/0878H01Q1/2216H04B5/0018H04B5/0043H04B5/0087H04B5/02H04B17/23H04B17/318
    • Stable receiving action is achieved with a receiver of simpler configuration.When a human hand is held over the panel unit 201, the electric field in the vicinity of the human body is coupled to the sensor electrode 2122 of the coil sensor 212 from the receiving electrode 211 of the panel unit 201, and alternate current is generated at the sensor electrode 2122. This alternate current then induces a magnetic flux inside the central opening of the coil 2121 in proportion to the strength of the electric field in the vicinity of the human body. Depending on the changes in this magnetic flux, electric current passes through the coil 2121. The electric current passing through the coil 2121 is converted by the electric current detecting circuit 2124 of the coil sensor 212 to voltage signals and transmitted as received signals to the demodulator 22. As a result, the received signals corresponding to the electric field in the vicinity of the human body, namely the transmission signals applied by the transmitter 1 to the human body, are obtained.
    • 采用简单配置的接收机实现稳定的接收动作。 当人的手被夹持在面板单元201上时,人体附近的电场从面板单元201的接收电极211耦合到线圈传感器212的传感器电极2122,并且产生交流电流 传感器电极2122.然后,该交流电流在线圈2121的中心开口内与人体附近的电场强度成比例地引起磁通。 取决于该磁通量的变化,电流通过线圈2121.通过线圈2121的电流被线圈传感器212的电流检测电路2124转换成电压信号并作为接收信号发送到解调器 结果,获得对应于人体附近的电场的接收信号,即由发射机1施加到人体的传输信号。