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    • 5. 发明授权
    • Video scope camera
    • 视频范围相机
    • US5745165A
    • 1998-04-28
    • US657180
    • 1996-06-03
    • Hiroshi AtsutaKiyoko OshimaKazuo Matsuura
    • Hiroshi AtsutaKiyoko OshimaKazuo Matsuura
    • G02B23/24A61B1/00A61B1/04A61B5/00A61C19/04G02B23/26H04N5/225H04N7/18
    • A61B1/00188A61B1/00177A61B5/0088H04N5/2251H04N5/2259H04N2005/2255
    • A compact and light-weight video scope camera offering easy magnification changing operations. A hollow insert portion continuous to a grip to be held by an operator is provided with an imaging system at the leading end. Operating an operation switch on the grip allows operational movement of a selection mechanism in the insert portion to cyclically or selectively select, from plural preset distance values, a distance between a lens and an image pickup device in the imaging system, corresponding to which distance, the lens or the image pickup device is moved relative to each other by an imaging system component of mechanism to set any one of predetermined magnification modes. This results a compact, light-weight video scope camera offering easy magnification changing operations. The invention is applicable to various video scope cameras for diagnosis and/or treatment in dentistry and orthopedics and also for industrial or educational use.
    • 一个紧凑轻巧的视频镜头相机,提供了简单的放大倍率更换操作。 连接到由操作者握持的把手的中空插入部分在前端设置有成像系统。 操作手柄上的操作开关允许插入部分中的选择机构的操作移动以循环或选择性地从多个预设距离值中选择成像系统中的透镜和图像拾取装置之间的距离,对应于哪个距离, 透镜或图像拾取装置通过机构的成像系统部件相对于彼此移动,以设置预定的倍率模式中的任一种。 这导致紧凑,重量轻的视频镜头相机,提供了简单的放大倍率更换操作。 本发明适用于用于牙科和骨科诊断和/或治疗以及用于工业或教育用途的各种视频镜头相机。
    • 6. 发明授权
    • Videoscope for dental or other use
    • 视觉影像用于牙科或其他用途
    • US06181369B2
    • 2001-01-30
    • US09001134
    • 1997-12-30
    • Kiyoko OoshimaHiroshi AtsutaShinji UchidaHiroyuki Yamakita
    • Kiyoko OoshimaHiroshi AtsutaShinji UchidaHiroyuki Yamakita
    • H04N718
    • A61B1/24A61B1/00177A61B1/05A61B1/0615A61B1/0669
    • A videoscope for dental or oral use comprises a grip portion, an insert portion, a light window formed in the wall of the insert portion for illuminating an object, an acceptance window formed in the wall of the insert portion for receiving reflected light from the object, an image sensor disposed in the tip of the insert portion for receiving the light from the object to generate an electric signal corresponding to the object image, a light source disposed in the grip portion, and a light guide for guiding light rays from the light source to the light window. The light guide is made of a transparent plastic material. The light guide has a condensing portion that condenses the light rays emitted by the light emitting member, a guiding portion in which the light rays can propagate by total reflection, and a shedding portion that sheds the propagated light rays through the light window.
    • 用于牙科或口腔使用的视频内窥镜包括握持部分,插入部分,形成在用于照射物体的插入部分的壁中的光窗口,形成在插入部分的壁中的接收窗口,用于接收来自物体的反射光 设置在所述插入部的前端的图像传感器,用于接收来自所述物体的光,以产生对应于所述物体图像的电信号;设置在所述把手部分中的光源;以及用于引导来自所述光的光线的光导体 来源于光窗。 光导由透明塑料制成。 光导具有会聚发光部件发出的光的聚光部,通过全反射而使光线传播的引导部,以及通过光窗遮蔽传播的光线的脱落部。