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    • 36. 发明授权
    • Optical mouse with uniform level detection method
    • 光电鼠标具有均匀的电平检测方法
    • US07907120B2
    • 2011-03-15
    • US11154008
    • 2005-06-15
    • Gary B. GordonDerek L. KneeRajeev BadyalJason T. Hartlove
    • Gary B. GordonDerek L. KneeRajeev BadyalJason T. Hartlove
    • G09G5/08G06F3/033
    • G06F3/03543G06F3/0317G06F3/033G06F3/0346G06F3/038
    • Movement of an optical mouse may be tracked by providing a source of non-coherent light in a movable housing for illuminating a work surface at a low angle of incidence, providing a two dimensional array of photo detectors for producing arrays of data elements responsive to light reflected from surface irregularities on the illuminated work surface and providing circuitry for capturing a first array of data elements from the two dimensional array of photo detectors at a first time, for detecting a characteristic condition in the first array, for capturing a second array of data elements at a second time, and for tracking movement of the housing relative to the work surface by comparing at least some of the data elements of the first array with at least some of the data elements of the second array if the characteristic condition is not detected in the first array. Movement may be tracked by providing a source of non-coherent light in a movable housing for illuminating a work surface at a low angle of incidence, providing a two dimensional array of photo detectors for producing arrays of data elements responsive to light reflected from surface irregularities on the illuminated work surface and providing circuitry for tracking movement of the housing relative to the work surface by comparing light reflected from the surface irregularities at a first time with light reflected there from at a second time unless the light reflected at the first time does not include a characteristic condition.
    • 可以通过在可移动壳体中提供非相干光源来跟踪光学鼠标的移动,以便以低入射角照射工作表面,提供二维阵列的光电检测器,用于产生响应于光的数据元件阵列 从照明工作表面上的表面不规则反射并提供用于在第一时间从光电检测器的二维阵列捕获数据元素的第一阵列的电路,用于检测第一阵列中的特征状态,用于捕获第二数据阵列 如果没有检测到特征条件,则通过将第一阵列的至少一些数据元素与第二阵列的至少一些数据元素进行比较来跟踪壳体相对于工作表面的移动 在第一个数组。 可以通过在可移动壳体中提供非相干光源来跟踪运动,以便以低入射角照射工作表面,提供二维阵列的光电检测器,用于响应于从表面不规则反射的光而产生数据元素阵列 在照明工作表面上并且提供电路,用于通过将来自第一时间的表面凹凸反射的光与第二时间反射的光相比较来跟踪壳体相对于工作表面的移动,除非第一次反射的光不是 包括特征条件。
    • 40. 发明授权
    • Optical projection system for computer input devices
    • 计算机输入设备光学投影系统
    • US07289104B2
    • 2007-10-30
    • US10722418
    • 2003-11-28
    • David D. BohnThomas C. OliverRajeev Badyal
    • David D. BohnThomas C. OliverRajeev Badyal
    • G09G5/00
    • G06F3/038G06F3/03543G06F3/0383G06F2203/0337
    • A computer input device, such as an electronic mouse, having an optical projection system. The optical projection system is configured to project an image onto a supporting surface upon which the device rests. In one arrangement the optical projection system includes a light source, an image forming light blocker and optics. The optics may be collimating or non-collimating. In another arrangement the optical projection system may include an active LED matrix display. This system enables a use to personalize and/or customize his or her computer input device. Additionally, it permits the device to serve desirable notification functions if one or more of various events have occurred in a computer application being run on the computer. An example of event for notification includes the receipt of a message in a communications program such as an e-mail message.
    • 具有光学投影系统的计算机输入装置,例如电子鼠标。 光学投影系统被配置为将图像投影到设备所在的支撑表面上。 在一种布置中,光学投影系统包括光源,成像光阻挡器和光学器件。 光学器件可以是准直的或非准直的。 在另一种布置中,光学投影系统可以包括有源LED矩阵显示器。 该系统使得能够个性化和/或定制他或她的计算机输入设备。 此外,如果在计算机上运行的计算机应用程序中发生了各种事件中的一个或多个,则允许设备提供期望的通知功能。 用于通知的事件的示例包括在诸如电子邮件消息的通信程序中接收到消息。