Remote pointing appratus and method
    2.
    发明申请
    Remote pointing appratus and method 审中-公开
    远程指向appratus和方法

    公开(公告)号:US20100110006A1

    公开(公告)日:2010-05-06

    申请号:US12458730

    申请日:2009-07-21

    IPC分类号: G06F3/033

    摘要: A remote pointing apparatus is provided. A light receiving unit may receive emitted light. A filtering unit may filter a received signal to a first frequency component, a second frequency component, a third frequency component, and a fourth frequency component. A calculation unit may compare amplitudes of the first frequency component and the second frequency component to calculate a first coordinate axis value of a cursor on a display unit, and compare amplitudes of the third frequency component and the fourth frequency component to calculate a second coordinate axis value of the cursor on the display unit.

    摘要翻译: 提供远程指示设备。 光接收单元可以接收发射的光。 滤波单元可以将接收的信号滤波成第一频率分量,第二频率分量,第三频率分量和第四频率分量。 计算单元可以比较第一频率分量和第二频率分量的振幅,以计算显示单元上的光标的第一坐标轴值,并且比较第三频率分量和第四频率分量的振幅,以计算第二坐标轴 光标在显示单元上的值。