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11. 发明授权

US4735508A Method and apparatus for measuring a curvature of a reflective surface 失效
标题翻译：用于测量反射表面曲率的方法和装置
公开(公告)号：US4735508A
公开(公告)日：1988-04-05
申请号：US869642
申请日：1986-06-02
申请人： Stephen L. Bellio
发明人： Stephen L. Bellio
IPC分类号： G01B11/255 , G01B11/24
CPC分类号： G01B11/255 , Y10S209/928
摘要： A method for measuring a curvature of a reflective surface includes the steps of directing a pair of collimated light beams onto a substantially smooth portion of the reflective surface and measuring the separation of the light beam images reflected from the surface as a representation of the curvature of the surface. An apparatus utilizing this method includes a pair of lasers for producing respective collimated light beams, a laser mount arranged to direct the separate light beams from the lasers as substantially parallel light beams onto a substantially smooth portion of a reflective surface being measured to produce respective bright spots on the surface, receiving images of the bright spots onto a diffuse target surface, viewing these bright spot images with a sensor to produce a light intensity pattern encompassing the spots and calculating the separation of the bright spot images from the light intensity pattern as a measure of the curvature of the surface.
摘要翻译：用于测量反射表面的曲率的方法包括以下步骤：将一对准直光束引导到反射表面的基本平滑的部分上，并且测量从表面反射的光束图像的分离，作为曲面的曲率表面。利用这种方法的装置包括一对用于产生各个准直光束的激光器，激光器安装件，其被布置成将来自激光器的分离的光束作为基本上平行的光束引导到被测量的反射表面的基本上平滑的部分上，以产生相应的亮度表面上的斑点，将亮点的图像接收到漫射目标表面上，用传感器观察这些亮点图像，以产生包围斑点的光强度图案，并计算亮点图像与光强度图案的分离，作为测量曲面的曲率。

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