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    • 5. 发明授权
    • System and method for computer cursor control
    • 计算机光标控制的系统和方法
    • US5929840A
    • 1999-07-27
    • US206543
    • 1994-03-04
    • Timothy T. BrewerPaul E. Henderson, Jr.Kenneth R. RobertsonAnthony R. ClaflinAlan W. McRobert
    • Timothy T. BrewerPaul E. Henderson, Jr.Kenneth R. RobertsonAnthony R. ClaflinAlan W. McRobert
    • G06F3/14G06F3/033G06F3/048G09G5/08
    • G06F3/04812
    • A system for preventing inadvertent wrapping of a cursor generated on a computer display detects the location of the cursor in proximity with a border of the display and determines whether a user actually intends the cursor to wrap to the opposite side of the display. The system considers a variety of factors to determine whether the user actually intends to wrap the cursor. The time for which the user moves the cursor against the border, the distance that the cursor would have moved but for the border, and the velocity or acceleration with which the cursor approaches the border can all be considered by the system in determining whether or not to permit the wrapping of the cursor. The system automatically generates an indicator signal to permit the cursor to wrap from one side of the display to the opposite side. The user can select the size of the border and determine whether the border will have a color different from the normal display background color to visually indicate the location of the border to the user. The system can selectively enable and disable the border in response to a variety of factors. The user can manually generate the indicator signal by activating a command signal input. The system can operate in a graphical environment where a plurality of display windows are shown on the computer display. The system defines a border for each window to prevent the inadvertent wrapping of the cursor.
    • 用于防止在计算机显示器上产生的光标的意外缠绕的系统检测光标在显示器的边界附近的位置,并且确定用户是否实际上将光标打包到显示器的相对侧。 系统考虑各种因素来确定用户是否实际打算包装光标。 用户将光标移动到边界的时间,光标移动距离,但是边框的距离以及光标接近边界的速度或加速度都可以被系统考虑,以确定是否 以允许光标的包装。 系统自动生成一个指示信号,使光标从显示器的一侧包裹到相反的一侧。 用户可以选择边框的大小,并确定边框是否具有与正常显示背景颜色不同的颜色,以便可视地指示边框到用户的位置。 系统可以根据各种因素选择性地启用和禁用边界。 用户可以通过激活命令信号输入来手动生成指示信号。 该系统可以在其中在计算机显示器上显示多个显示窗口的图形环境中操作。 系统为每个窗口定义一个边框,以防止光标的无意包装。