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    • 6. 发明申请
    • Optical navigation system
    • 光学导航系统
    • US20060209015A1
    • 2006-09-21
    • US11083837
    • 2005-03-18
    • David FeldmeierMichael BrosnanTong Xie
    • David FeldmeierMichael BrosnanTong Xie
    • G09G5/00
    • G06F3/0317
    • An optical navigation system. The optical navigation system includes an image sensor capable of optical coupling to a surface of an object, a data storage device, and a navigation circuit. The image sensor includes multiple photosensitive elements with the number of photosensitive elements disposed in a first direction greater than the number of photosensitive elements disposed in a second direction. The second direction is perpendicular to the first direction. The image sensor is capable of capturing successive images of areas of the surface, the areas located along an axis parallel to the first direction. The data storage device is capable of storing the captured images. The navigation circuit includes a first digital circuit for determining an estimate for the relative displacement between the image sensor and the object along the axis obtained by comparing the image captured subsequent to the displacement to the image captured previous to the displacement.
    • 光导航系统。 光学导航系统包括能够与物体的表面光耦合的图像传感器,数据存储装置和导航电路。 图像传感器包括多个感光元件,其中多个感光元件设置在大于沿第二方向设置的感光元件的数量的第一方向上。 第二方向垂直于第一方向。 图像传感器能够捕获表面的区域的连续图像,沿着平行于第一方向的轴线定位的区域。 数据存储装置能够存储所捕获的图像。 导航电路包括第一数字电路,用于确定图像传感器和物体之间沿着轴的相对位移的估计,所述相对位移是通过将在位移之后捕获的图​​像与在位移之前捕获的图像进行比较而获得的。