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    • 9. 发明授权
    • Diffuse surface on lenslet array diffuser
    • 小透镜阵列扩散器上的漫射面
    • US08174740B2
    • 2012-05-08
    • US12406399
    • 2009-03-18
    • Nicholas BaxterBrian Reid
    • Nicholas BaxterBrian Reid
    • H04N1/04
    • H04N1/02815H04N1/02865H04N1/0289
    • An illuminator system includes an illuminator array positioned adjacent to an image bearing surface, a light diffuser, and a linear sensor array. The light diffuser includes a plurality of rounded lenslets having convex or concave configuration positioned between the illuminator array and the image bearing surface. The rounded lenslets are positioned with respect to the illuminator array to receive the light beams emitted by the illuminator elements and to diffuse the light beams being transmitted to the image bearing surface in the linear direction of the illuminator array. Each of the rounded lenslets has a textured surface with a plurality of indentations. Each of the indentations is configured to randomly diffuse the light beams being transmitted to the image bearing surface.
    • 照明器系统包括邻近图像承载表面定位的照明器阵列,光扩散器和线性传感器阵列。 光漫射器包括多个圆形小透镜,其具有定位在照明器阵列和图像承载表面之间的凸形或凹形构造。 圆形小透镜相对于照明器阵列定位以接收由照射器元件发射的光束并且将沿着照明器阵列的线性方向传播到图像承载表面的光束扩散。 每个圆形小透镜具有带有多个凹陷的纹理表面。 每个凹口被配置为随机地扩散正被透射到图像承载表面的光束。