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    • 8. 发明授权
    • Endoscope apparatus for three dimensional measurement for scanning spot
light to execute three dimensional measurement
    • 用于三维测量的内窥镜装置用于扫描点光以执行三维测量
    • US5436655A
    • 1995-07-25
    • US279082
    • 1994-07-22
    • Keiichi HiyamaMasahide KannoShinichiro Hattori
    • Keiichi HiyamaMasahide KannoShinichiro Hattori
    • A61B1/00A61B1/05A61B5/00A61B5/107G02B23/24A61B1/04A61B1/06
    • G02B23/2476A61B1/00193A61B1/05A61B1/063A61B5/0062A61B5/0084A61B5/1076G02B26/103G02B6/04
    • Arranged within a measuring-light generating unit of an endoscope apparatus for three dimensional measurement, according to the invention, are measuring means, a lamp for outgoing a normal illuminating light, and a laser for outgoing a measuring light. Connected to the measuring means is a signal line which is connected to a CCD. Further, an illuminating light outgone from the lamp is condensed by a condenser lens, and is incident upon an incident end surface of a light guide. Furthermore, the measuring light outgone from the laser is condensed by the condensing lens, and is incident upon the incident end surface of the image guide. Moreover, the incident end of the image guide is connected to scanning means formed by a piezo-electric element, a speaker (voice coil) or the like through a connecting element. The scanning means is operated whereby the incident end of the image guide is reciprocally moved in a direction perpendicular to an optical axis of the measuring light. The measuring light is a light having extension or spreading. However, a flux of light of the measuring light is extremely thin, and a spot light having minimum resolution that is a single glass fiber forming the image guide is projected onto the subject.
    • 根据本发明,安排在用于三维测量的内窥镜装置的测量光产生单元内,是用于输出正常照明光的测量装置,用于输出测量光的激光器。 连接到测量装置的是连接到CCD的信号线。 此外,来自灯的照明光由聚光透镜会聚,入射到光导入射端面。 此外,来自激光器的测量光通过聚光透镜会聚,并且入射到图像引导件的入射端面。 此外,图像引导件的入射端通过连接元件连接到由压电元件,扬声器(音圈)等形成的扫描装置。 操作扫描装置,由此图像引导件的入射端在与测量光的光轴垂直的方向上往复移动。 测量光是具有延伸或扩展的光。 然而,测量光的光通量非常薄,并且将具有最小分辨率的点光源作为形成图像引导件的单个玻璃纤维投射到被摄体上。