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    • 4. 发明授权
    • Precise selection techniques for multi-touch screens
    • 多点触摸屏的精确选择技术
    • US08619052B2
    • 2013-12-31
    • US13295982
    • 2011-11-14
    • Hrvoje BenkoAndrew D. WilsonPatrick M Baudisch
    • Hrvoje BenkoAndrew D. WilsonPatrick M Baudisch
    • G06F3/041
    • G06F3/04812G06F3/0488G06F2203/04808
    • A unique system and method is provided that facilitates pixel-accurate targeting with respect to multi-touch sensitive displays when selecting or viewing content with a cursor. In particular, the system and method can track dual inputs from a primary finger and a secondary finger, for example. The primary finger can control movement of the cursor while the secondary finger can adjust a control-display ratio of the screen. As a result, cursor steering and selection of an assistance mode can be performed at about the same time or concurrently. In addition, the system and method can stabilize a cursor position at a top middle point of a user's finger in order to mitigate clicking errors when making a selection.
    • 提供了一种独特的系统和方法,其在使用光标选择或观看内容时便于针对多触点敏感显示器的像素精确定位。 特别地,系统和方法可以例如跟踪主手指和次手指的双输入。 主手指可以控制光标的移动,而辅助手指可以调节屏幕的控制显示比率。 结果,光标转向和辅助模式的选择可以在大约相同的时间或同时进行。 此外,系统和方法可以稳定用户手指的顶部中点处的光标位置,以便在进行选择时减轻点击错误。