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    • 1. 发明授权
    • Ophthalmological measuring apparatus
    • 眼科测量仪器
    • US4744649A
    • 1988-05-17
    • US863046
    • 1986-05-14
    • Masao NiinoNobuyuki YasudaKoichiro KakizawaTadashi IchihashiMasunori Kawamura
    • Masao NiinoNobuyuki YasudaKoichiro KakizawaTadashi IchihashiMasunori Kawamura
    • A61B3/117A61B3/12A61B3/135A61B3/10A61B3/14
    • A61B3/135A61B3/10
    • An ophthalmological measuring apparatus having a laser-slit projector unit for projecting a laser beam on a portion in a human eyeball, a microscope unit adapted for receiving and observing the light reflected from the portion in the eyeball and a detector unit adapted for displaying the observing point in the eyeball projected by the laser beam. The microscope unit includes an objective optical system, an imaging optical system, a scattered light pickup prism disposed between the objective optical system and the imaging optical system and having a reflecting surface for diverging and directing a part of the reflected light, a beam splitter for superposing another optical axis parallel to the optical axis diverged by the prism on the optical axis of the imaging optical system, a converging optical system for receiving the diverged optical axis and the other optical axis parallel thereto, and an optical fiber having one end disposed adjacent to the focal plane of the converging optical system and movable up and down and right and left. The detector unit includes a photoelectric device directed to the other end of the optical fiber, a wavelength separating mirror disposed between the other end of the optical fiber and the photoelectric device, a light emitting diode disposed on the reflecting side of the mirror and adapted for emitting light having a wavelength different from that of the laser beam, and a right-to-left inverting optical system disposed between the beam splitter and the converging optical system.
    • 一种眼科测量装置,具有用于将激光束投射在人眼球部分上的激光狭缝投影仪单元,适于接收和观察从眼球部分反射的光的显微镜单元和适于显示观察的检测器单元 指向由激光束投影的眼球。 显微镜单元包括物镜光学系统,成像光学系统,设置在物镜光学系统和成像光学系统之间的散射光拾取棱镜,并具有用于发散和引导部分反射光的反射表面,用于 将与棱镜分离的光轴平行的另一个光轴叠加在成像光学系统的光轴上,会聚光学系统用于接收发散的光轴和与其平行的另一个光轴,以及光纤,其一端设置在相邻 到会聚光学系统的焦平面,上下左右移动。 检测器单元包括指向光纤另一端的光电装置,设置在光纤的另一端和光电装置之间的波长分离镜,设置在反射镜的反射面上的发光二极管, 发射具有与激光束不同的波长的光,以及设置在分束器和会聚光学系统之间的从右到左的反转光学系统。
    • 3. 发明授权
    • Terrestrial telescope with digital camera
    • 地面望远镜与数码相机
    • US07130127B2
    • 2006-10-31
    • US10839507
    • 2004-05-05
    • Masao NiinoYasunari OguchiShuichi Tominaga
    • Masao NiinoYasunari OguchiShuichi Tominaga
    • G02B27/14G03B13/00G02B23/00
    • G02B23/16G02B23/04
    • A terrestrial telescope with digital camera has an imaging optical system having a group of objective lenses and an imaging element disposed at a position at which an optical image is formed by the group of objective lenses. An observation optical system is provided for observing the optical image transmitted by the group of objective lenses. An optical element is inserted into the optical axis so as to be retractable from the optical axis during imaging. The optical element has a transmission surface having a single-eccentric toroidal configuration with different curvatures in vertical and horizontal planes of the optical element for correcting the position on the imaging element at which the optical image is formed so that the position on the imaging element at which the optical image is formed remains substantially unchanged regardless of whether the optical element is inserted into or retracted from the optical axis of the group of objective lenses.
    • 具有数码相机的地面望远镜具有成像光学系统,该成像光学系统具有一组物镜和设置在由该组物镜形成光学图像的位置处的成像元件。 提供了一种观察光学系统,用于观察由该组物镜透射的光学图像。 将光学元件插入到光轴中,以在成像期间从光轴伸出。 光学元件具有透光面,其具有在光学元件的垂直和水平平面上具有不同曲率的单偏心环形构型,用于校正在其上形成光学图像的成像元件上的位置,使得成像元件上的位置在 无论光学元件是插入到物镜组的光轴还是从光学镜片的光轴缩回,光学图像的形成都保持基本上不变。
    • 4. 发明授权
    • Safety device for telescope
    • 望远镜安全装置
    • US06698904B1
    • 2004-03-02
    • US10070046
    • 2002-02-22
    • Masao NiinoYoshihide GotoShiroh Iiyama
    • Masao NiinoYoshihide GotoShiroh Iiyama
    • G02B2600
    • G02B26/02G02B23/00
    • A ray of light incident via a pin hole (6) and a field stop (7) having a field of vision a predetermined angle larger than a telescope's actual field of vision that are disposed on an axis (5) in parallel to the optical axis (4) of the telescope is measured in intensity by a photoelectric element (8). When a quantity of light incident on the photoelectric element is larger than a predetermined quantity of light, a shutter (11) is inserted into an optical path of the telescope to cut off a ray of light going into the eyes of the observer. Since an incidence of a quantity of light in excess of a predetermined one into a field of vision a predetermined angle larger than the actual field of vision of the telescope will block the optical path of the telescope, a risk such as damage to the eyes of the observer can be eliminated to prevent an accident even when the observer erroneously observes a strong light-generating object such as the sun.
    • 通过针孔(6)入射的光线和具有比望远镜的实际视野大的预定角度的视场(7)的视野,该视野设置在平行于光轴的轴线(5)上 (4)通过光电元件(8)以强度测量。 当入射到光电元件上的光量大于预定量的光时,将快门(11)插入到望远镜的光路中,以切断进入观察者的眼睛的光线。 由于将超过预定值的光量超过望远镜的实际视野大于预定角度的视野会阻挡望远镜的光路,所以存在诸如眼睛损伤的风险 即使当观察者错误地观察诸如太阳的强光产生物体时,也可以消除观察者以防止事故。
    • 6. 发明授权
    • X-ray imaging apparatus
    • X射线成像装置
    • US5177777A
    • 1993-01-05
    • US639666
    • 1991-01-09
    • Masao Niino
    • Masao Niino
    • G03B42/02A61B6/00H04N5/238H04N7/18H05G1/36H05G1/64
    • H04N5/238H05G1/36H05G1/64
    • An X-ray imaging apparatus has an image intensifier for converting an X-ray shadowgram of a patient into visible light. A primary lens group collimates the visible light and a secondary lens group forms the image carried by the visible light on a TV imaging device. The primary lens group is provided with a beam splitter for reflecting a part of the light output by the image intensifier toward the secondary lens group and transmitting the remainder thereof to a pick-up optical system for detecting the brightness of the image output by the image intensifier. The exposure of the patient to X-rays can be controlled on the basis of the detected brightness.
    • X射线成像装置具有用于将患者的X射线阴影图转换成可见光的图像增强器。 主透镜组准直可见光,次透镜组在TV成像装置上形成由可见光承载的图像。 主透镜组设置有分束器,用于将由图像增强器输出的光的一部分反射到副透镜组,并将其余部分传输到拾取光学系统,用于检测由图像输出的图像的亮度 增压器。 可以根据检测到的亮度来控制患者对X射线的曝光。
    • 7. 发明授权
    • Laser spot projector
    • 激光投影机
    • US4776335A
    • 1988-10-11
    • US919319
    • 1986-10-14
    • Takaji NakanishiDavid R. HenningsMasao Niino
    • Takaji NakanishiDavid R. HenningsMasao Niino
    • A61N5/06A61B18/20A61F9/00A61F9/008G02B27/09A61B17/36
    • A61F9/00821A61F9/008A61F2009/00863A61F2009/00891A61F9/009
    • Disclosed is a laser spot projector for use with a laser coagulation system in which a laser beam is radiated as a focussed spot into a portion selected to be thermally coagulated. A laser source produces a laser beam, and a focussing lens focusses the laser beam on the selected portion in the form of a focussed laser beam spot. A variator lens is displaceably arranged between the laser source and focussing lens for changing the magnification of the laser spot depending upon the displacement of the variator lens. The variator lens is selectably displaceable to two separate positions where the image point is conjugated with the object point with respect to the variator lens. This arrangement makes it possible to selectably provide two focussed laser beam spots each having a different spot diameter.
    • 公开了一种与激光凝固系统一起使用的激光点投影仪,其中将激光束作为聚焦点照射到被选择为热凝固的部分中。 激光源产生激光束,并且聚焦透镜以聚焦的激光束斑点的形式将激光束聚焦在所选择的部分上。 变倍透镜可移动地布置在激光源和聚焦透镜之间,用于根据变倍透镜的位移来改变激光光斑的放大倍数。 变倍透镜可选择地移位到两个单独的位置,其中图像点相对于变倍透镜与物点共轭。 这种布置使得可以可选择地提供两个具有不同光点直径的聚焦激光束光点。