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    • 8. 发明申请
    • Method of operating an optical mouse
    • 操作光电鼠标的方法
    • US20050231483A1
    • 2005-10-20
    • US11154007
    • 2005-06-15
    • Gary GordonDerek KneeRajeev BadyalJason Hartlove
    • Gary GordonDerek KneeRajeev BadyalJason Hartlove
    • G06F3/03G06F3/038G06F3/042G09G5/08
    • G06F3/03543G06F3/0317G06F3/033G06F3/0346G06F3/038
    • Movement of a hand operated pointing device may be tracked by providing a source of non-coherent light in a movable housing for illuminating a work surface and providing circuitry for producing a plurality of two dimensional arrays of data related to light reflected by surface irregularities on the illuminated work surface and for processing a first array with a second array to track movement of the housing relative to the illuminated work surface. Circuitry may be provided for processing the first array with the second array to predict further movement of the housing relative to the illuminated work surface. Circuitry may be provided for selecting a different portion of the first array in accordance with the prediction for processing with a third array to track further movement of the housing. Circuitry may be provided for determining validity of the tracked movement and sending a signal to a computer related to the tracked movement unless the tracked movement is determined not to be valid.
    • 可以通过在可移动外壳中提供非相干光源来照亮工作表面并提供用于产生多个二维阵列的数据的电路,以跟踪由手表操作指示装置的表面不规则反射的光, 并且用于处理具有第二阵列的第一阵列以跟踪壳体相对于被照射的工作表面的移动。 可以提供电路来处理具有第二阵列的第一阵列以预测壳体相对于照明的工作表面的进一步移动。 可以提供电路,用于根据用于利用第三阵列处理的预测来选择第一阵列的不同部分以跟踪壳体的进一步移动。 可以提供电路,用于确定所跟踪的运动的有效性,并将信号发送到与跟踪的运动相关的计算机,除非所跟踪的运动被确定为不有效。