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    • 24. 发明申请
    • Medical knife
    • 医用刀
    • US20050004587A1
    • 2005-01-06
    • US10874249
    • 2004-06-24
    • Kanji MatsutaniTakashi InaMasahiko SaitoTakayuki Matsumoto
    • Kanji MatsutaniTakashi InaMasahiko SaitoTakayuki Matsumoto
    • A61B17/3211A61B17/32A61B19/00A61F9/007
    • A61B17/3211A61B90/30
    • A medical knife has a cutting edge formed along the outer edge of a blade portion, and the thickness of the lower portion located under a boundary acting as a surface including the cutting edge is made thinner than that of an upper portion located on the boundary, or a lower surface is composed of the surface including the cutting edge. The surface of the upper portion on the above surface including the cutting edge is composed of a first slanting surface constituting the cutting edge, a second reflecting surface, and a flat surface composed of a non-reflecting surface as well as the lower portion has a lower slanting surface 10 and a lower flat surface 11 each composed of a reflecting surface. With the above arrangement, the medical knife can reduce the amount of reflected light when an operation such as an ophthalmic operation is executed under a microscope.
    • 医疗用刀具有沿刀片部的外缘形成的切削刃,位于作为包括切削刃的表面的边界下方的下部的厚度比位于边界上的上部的厚度薄, 或者下表面由包括切削刃的表面构成。 包括切削刃在内的上表面的上表面由构成切削刃的第一倾斜面,第二反射面和由非反射面构成的平面以及下部具有 下倾斜表面10和每个由反射表面组成的下平面11。 通过上述结构,当在显微镜下执行眼科手术等操作时,医用刀可以减少反射光量。
    • 25. 发明授权
    • Video projector
    • 视频投影仪
    • US06491398B2
    • 2002-12-10
    • US09472820
    • 1999-12-28
    • Katsuyuki TakeuchiEisaku ShoujiTakayuki Matsumoto
    • Katsuyuki TakeuchiEisaku ShoujiTakayuki Matsumoto
    • G03B2114
    • H04N9/3105H04N5/7458
    • A video projector using a reflection type optical modulation element whose lens system is simple in configuration and which can produce a high-brightness, high-contract projected image. A video projector has an optical source for radiating light; a reflecting mirror for reflecting the light radiated by the optical source as a reflected light beam goes along a particular optical axis; a converting optical system for converting a profile of the reflected light beam from the reflecting mirror; a plurality of color prisms for wavelength-separating the convertedlight from the converting optical system into a plurality of colored light beams; a plurality of reflection type optical modulation elements for selectively reflecting each of the colored light beams from the color prisms on a pixel—pixel basis in accordance with each of received video signals, respectively; a projecting lens for projecting light obtained through wavelength-combining, by the color prisms, of light beams reflected by each of the reflection type optical modulation elements; and a plurality of condenser lenses disposed between the color prisms and the reflection type optical modulation elements, respectively.
    • 一种使用透镜系统构造简单并且可以产生高亮度,高收缩投影图像的反射型光调制元件的视频投影仪。 视频投影仪具有用于照射光的光源; 用于反射由光源照射的光作为反射光束的反射镜沿特定的光轴移动; 用于转换来自反射镜的反射光束的轮廓的转换光学系统; 用于将转换光从转换光学系统波长分离成多个彩色光束的多个彩色棱镜; 多个反射型光调制元件,用于分别根据接收到的每个视频信号,以像素为基础选择性地反射来自彩色棱镜的彩色光束; 投影透镜,用于投射由彩色棱镜通过波长组合获得的每个反射型光调制元件反射的光束获得的光; 以及分别设置在彩色棱镜和反射型光调制元件之间的多个聚光透镜。