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    • 13. 发明申请
    • Precompensation of polarization errors in heterodyne interferometry
    • 外差干涉测量中极化误差的预补偿
    • US20060087657A1
    • 2006-04-27
    • US11255766
    • 2005-10-21
    • Michael HolmesAndrew Carlson
    • Michael HolmesAndrew Carlson
    • G01B9/02
    • G01B9/02058G01B9/02003G01B2290/70
    • Apparatus and methods for adjusting the polarizations of the components of an input beam to reduce leakage caused by imperfections in an interferometer are disclosed. The apparatus includes an interferometer positioned to receive an input beam that includes two components having different frequencies and different polarizations, the interferometer including a polarizing beam splitter positioned to spatially separate the input beam into two intermediate beams, the first intermediate beam corresponding to the first component and the second intermediate beam corresponding to the second component, where imperfections in the interferometer cause leakage of one of the components into the intermediate beam corresponding to the other of the components. The apparatus further includes a polarization compensator that includes at least one retardation plate positioned to adjust the polarizations of the components of the input beam to reduce the leakage caused by the imperfections in the interferometer.
    • 公开了用于调整输入光束的分量的极化以减少由干涉仪中的缺陷引起的泄漏的装置和方法。 该装置包括一个定位成接收包括具有不同频率和不同偏振的两个分量的输入光束的干涉仪,所述干涉仪包括偏振分束器,其被定位成将输入光束空间分离成两个中间光束,第一中间光束对应于第一分量 以及对应于第二部件的第二中间光束,其中干涉仪中的缺陷导致其中一个部件泄漏到对应于另一个部件的中间光束中。 该装置还包括偏振补偿器,其包括至少一个相位差板,定位成调整输入光束的分量的偏振,以减少由干涉仪中的缺陷引起的泄漏。
    • 19. 发明授权
    • Unitary molded lens filter for touch screen interface
    • 用于触摸屏界面的单一模制透镜滤镜
    • US06900795B1
    • 2005-05-31
    • US10086582
    • 2002-02-27
    • Jack Knight, IIIAndrew CarlsonJoe Maynard
    • Jack Knight, IIIAndrew CarlsonJoe Maynard
    • G06F1/16G06F3/041G06F3/042G06F3/043G09G5/00
    • G06F1/1609G06F3/041G06F3/0421G06F3/043
    • A durable unitary lens filter is provided for use with a touch sensitive display device for associated control process equipment. A front cover secures the unitary lens filter to the machine. The lens assembly includes a mounting bezel that supports an intermediate lens securing an integral rear lens filter through which a responsive display shows process information to an operator. The front cover captivates the integral bezel to secure the lens to the associated process device. The lens is molded from a semi-rigid material composition including glass fibers. An internal retainer compressibly captivates the bezel against the front cover. The bezel periphery extends substantially beyond the outermost peripheral edge of the rear lens so that forces thereto are transferred and dissipated to the machine housing.
    • 提供耐用的单一透镜滤光片,用于与相关控制处理设备相关的触敏显示装置。 前盖将整体式镜头过滤器固定到机器上。 透镜组件包括安装框架,其支撑固定整体后透镜滤光片的中间透镜,响应显示器通过该后视镜滤光器向操作者显示处理信息。 前盖可以将整个挡板固定在相关的过程设备上。 透镜由包括玻璃纤维的半刚性材料组合物成型。 内部保持器可将挡板压靠在前盖上。 边框周边基本上延伸超过后透镜的最外周边缘,使得其上的力传递并散发到机器壳体。