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    • 10. 发明授权
    • Laser diode alignment apparatus and method for optical scanners
    • 激光二极管校准装置及光学扫描仪的方法
    • US5206766A
    • 1993-04-27
    • US719867
    • 1991-06-24
    • Jonathan D. BassettCharles K. Wike, Jr.David E. WeeksRex A. Aleshire
    • Jonathan D. BassettCharles K. Wike, Jr.David E. WeeksRex A. Aleshire
    • G02B26/10G06K7/10
    • G02B26/10G06K7/10594G06K7/10693
    • A laser diode alignment apparatus and method for an optical scanner which independently minimizes lateral and angular deviation of a laser beam from the scanner axis. The alignment apparatus includes a socket member and a plug member. The socket member includes a cylindrical wall portion, including a circular inner ridge having an inwardly facing spherical surface, and a base portion coupled to the cylindrical wall portion having a rearwardly facing spherical surface and a circular aperture therethrough. The plug member contains the laser diode and includes a cylindrical front end portion including a spherical front edge section, having the same curvature as the rearwardly facing spherical surface, and a spherical center portion coupled to the cylindrical front end portion having the same curvature as the inwardly facing spherical surface. The plug member has a beam origin point coinciding with the diode's combined center of rotation and pivot point. The alignment method centers a screen, having a reference point, on the axis and at the focal point of the scanner, places the laser beam origin point on the scanner axis, and moves the laser diode until the laser beam image coincides with the reference point on the screen.
    • 一种用于光学扫描器的激光二极管对准装置和方法,其独立地最小化激光束与扫描器轴线的横向和角度偏差。 对准装置包括插座构件和插头构件。 插座构件包括圆柱形壁部分,其包括具有向内的球形表面的圆形内脊,以及联接到圆柱形壁部分的基部,其具有向后的球形表面和穿过其的圆形孔。 插头构件包含激光二极管,并且包括具有与向后的球面相同的曲率的球面前缘部的圆筒形前端部,以及与圆筒形前端部连接的球面中心部,其具有与 面向内的球面。 插头构件具有与二极管的组合旋转中心和枢轴点重合的束原点。 对准方法将具有参考点的屏幕在扫描仪的轴线和焦点上居中,将激光束原点放置在扫描仪轴上,并移动激光二极管直到激光束图像与参考点重合 屏幕上。