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    • 71. 发明授权
    • Endoscope or borescope stereo viewing system
    • 内镜或直肠镜立体观察系统
    • US5222477A
    • 1993-06-29
    • US767796
    • 1991-09-30
    • Raymond A. Lia
    • Raymond A. Lia
    • A61B1/00A61B1/05G02B27/22H04N5/225H04N13/00
    • A61B1/05A61B1/00193G02B27/2264H04N13/021H04N13/0214H04N13/0296H04N13/0431H04N13/0438H04N13/0497H04N2005/2255
    • A stereo imaging and viewing system for a borescope or endoscope employs a miniature camera assembly in which are disposed a CCD imager or equivalent imager, a wide-angle focusing lens assembly with an effective aperture on the order of about f/2 or wider, and an aperture plate interposed in the optical path of the camera and adjacent the lens assembly. The aperture plate has left and right pupils therein situated on opposite sides of the optic axis of the lens assembly. The pupils are separated from one another by a predetermined pupil distance that is somewhat smaller than the lens diameter. The left image passes through the left pupil and is focused through a corresponding portion of the lens assembly onto the image plane of the imager and a right image passes through the right pupil and is focused by a corresponding portion of the lens assembly onto the image plane of the imager. A selective mechanism, such as alternate shutters or distinct color filters, separate the left and right views of the target sequentially. Left and right views are then presented to a display device for viewing the left and right views stereoscopically.
    • 用于管道镜或内窥镜的立体成像和观察系统使用微型相机组件,其中设置有CCD成像器或等效成像器,具有大约f / 2或更宽的有效孔径的广角聚焦透镜组件,以及 插入在相机的光路中并邻近透镜组件的孔板。 孔板具有位于透镜组件的光轴的相对侧上的左和右瞳孔。 瞳孔彼此分开比镜片直径略小的预定光瞳距离。 左图像通过左瞳孔并且通过镜头组件的相应部分聚焦到成像器的图像平面上,右图像通过右瞳孔并被透镜组件的相应部分聚焦到图像平面上 的成像器。 选择性机制,例如替代百叶窗或不同的滤色器,依次分离目标的左视图和右视图。 然后将左右视图呈现给显示设备,以立体观看左右视图。